You should read the following discussion and analysis of our financial condition
and results of operations together with our consolidated financial statements
and the related notes included in Part II, Item 8 of this Annual Report on Form
10-K.

This Annual Report on Form 10-K contains forward-looking statements within the
meaning of Section 27A of the Securities Exchange Act of 1933, as amended, or
the Securities Act, and Section 21E of the Securities Exchange Act of 1934, as
amended ("the Exchange Act"). Forward-looking statements are identified by words
such as "believe," "will," "may," "estimate," "continue," "anticipate,"
"intend," "should," "plan," "expect," "predict," "could," "potentially" or the
negative of these terms or similar expressions. You should read these statements
carefully because they discuss future expectations, contain projections of
future results of operations or financial condition, or state other
"forward-looking" information. These statements relate to our future plans,
objectives, expectations, intentions and financial performance and the
assumptions that underlie these statements. These forward-looking statements are
subject to certain risks and uncertainties that could cause actual results to
differ materially from those anticipated in the forward-looking statements.
Factors that might cause such a difference include, but are not limited to,
those discussed in this report in Part I, Item 1A - "Risk Factors," and
elsewhere in this report. Forward-looking statements are based on our
management's beliefs and assumptions and on information currently available to
our management. These statements, like all statements in this report, speak only
as of their date, and we undertake no obligation to update or revise these
statements in light of future developments. We caution investors that our
business and financial performance are subject to substantial risks and
uncertainties.

Overview



We are a commercial-stage medical device company focused on developing products
to treat and transform the lives of patients suffering from venous diseases. Our
initial product offering consists of two minimally-invasive, novel
catheter-based mechanical thrombectomy devices. We purpose-built our products
for the specific characteristics of the venous system and the treatment of the
two distinct manifestations of venous thromboembolism, or VTE - deep vein
thrombosis and pulmonary embolism. Our ClotTriever product is FDA-cleared for
the treatment of DVT. Our FlowTriever product is the first thrombectomy system
FDA-cleared for the treatment of pulmonary embolism, or PE, and is also
FDA-cleared for clot in transit in the right atrium.

We believe the best way to treat VTE and improve the quality of life of patients
suffering from this disease is to safely and effectively remove the blood clot.
With that in mind, we designed and purpose-built our ClotTriever and FlowTriever
products to remove large clots from large vessels and eliminate the need for
thrombolytic drugs. We believe our products are transformational and could be
the catalyst to drive an evolution of treatment for venous diseases,
establishing our products as the standard of care for DVT and PE.

We believe our venous-focused commercial organization provides a significant
competitive advantage. Our most important relationships are between our sales
representatives and our treating physicians, which include interventional
cardiologists, interventional radiologists and vascular surgeons. We have
developed systems and processes to harness the information gained from these
relationships and we leverage this information to rapidly iterate products,
introduce and execute physician education and training programs and scale our
sales organization. We market and sell our products to hospitals, which are
reimbursed by various third-party payors. We have dedicated meaningful resources
to building a direct sales force in the United States, and we continue to expand
our sales organization through additional sales representatives and territories.

On May 27, 2020, we completed our IPO, which resulted in the issuance and sale
of 9,432,949 shares of common stock, including 1,230,384 shares sold pursuant to
the exercise of the underwriters' over-allotment option, at the IPO price of
$19.00 per share. We received net proceeds of approximately $163.0 million from
the IPO, after deducting underwriters' discounts and commissions of $12.6
million and offering costs of $3.7 million.

Prior to our IPO, our primary sources of capital were private placements of
preferred stock, debt financing arrangements and revenue from sales of our
products. Since inception, we had raised a total of approximately $54.2 million
in net proceeds from private placements of preferred stock. As of December 31,
2020, we had cash and cash

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equivalents and short-term investments of $164.2 million, no long-term debt outstanding and an accumulated deficit of $27.4 million.

For the year ended December 31, 2020, we generated revenue of $139.7 million, with a gross margin of 90.6% and net income of $13.8 million, compared to revenue of $51.1 million, with a gross margin of 88.4% and net loss of $1.2 million for the year ended December 31, 2019.

COVID-19



In December 2019, a novel strain of coronavirus, SARS-CoV-2, was identified in
Wuhan, China. Since then, SARS-CoV-2, and the resulting disease, COVID-19, has
spread to most countries, including all 50 states in the United States. In
response to the pandemic, numerous state and local jurisdictions imposed and may
continue to impose from time to time "shelter-in-place" orders, quarantines,
executive orders and similar government orders and restrictions for their
residents to control the spread of COVID-19. For example, in the United States,
governmental authorities recommended, and in certain cases required, that
elective, specialty and other procedures and appointments be suspended or
canceled to avoid non-essential patient exposure to medical environments and
potential infection with COVID-19 and to focus limited resources and personnel
capacity toward the treatment of COVID-19 patients. Similarly, in March 2020,
the governor of California, where our headquarters are located, issued a "stay
at home" order limiting non-essential activities, travel and business
operations. In December 2020, the governor of California issued an additional
regional "stay at home" order with tiered restrictions based on each region's
ICU availability. Such orders or restrictions resulted in reduced operations at
our headquarters (including our manufacturing facility), work stoppages,
slowdowns and delays, travel restrictions and cancellation of events. Taken as a
whole, these orders and restrictions significantly decreased the number of
procedures performed using our products, particularly during the second quarter
of 2020, and otherwise negatively impacted our operations, including new
customer procurement and onboarding.

In response to the impact of COVID-19, beginning in the second quarter of 2020,
we implemented a variety of measures to help us manage through its impact and
position us to resume operations quickly and efficiently once these restrictions
were lifted. These measures existed across several operational areas and
included:

• Continuing to build our team, including identifying and recruiting our

next group of new sales representatives;




     •    Enhancing our physician outreach and training with the launch of our
          Clot Warrior Academy consisting of a series of live webinars and an
          online education portal;

• Continuing to support procedures using our products both in-person and


          virtually;


     •    Adapting, expanding and improving our sales training programs and
          customer engagement to address the current environment;

• Continuing to expand our engineering infrastructure and focusing on


          organic opportunities;


     •    Producing approximately four months' worth of inventory before
          temporarily suspending production in April 2020;

• Continuing to protect and support our employees, including no layoffs,

furloughs or compensation reductions to date;

• Executing a successful work-from-home strategy for administrative


          functions that includes launching various efficiency projects in
          information technology, accounting and operations;

• Monitoring and reviewing recent case studies of VTE patients suffering


          from COVID-19;


     •    Initiating market assessment and commercial entry planning for our
          international expansion; and


     •    Accessing the remaining $10.0 million on our term loan on March 23,
          2020, which was repaid in full along with all our long term-debt in
          August 2020.

Despite the negative impacts from COVID-19, for the year ended December 31, 2020, we completed our IPO and approximately 13,200 procedures were performed using our products, compared to approximately 4,600


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procedures in the year ended December 31, 2019. During the second quarter of
2020, we experienced disruptions to our procedure volume beginning in mid-March
as a result of COVID-19, and weekly procedure volumes declined by approximately
40% by mid-April when compared to weekly procedure volumes in early March. The
decrease in procedure volume impacted DVT procedures and PE procedures
relatively equally, with both types of procedures declining during this period.
However, we saw a recovery in procedure volume in June that was higher than our
pre- COVID-19 peak. During the third and fourth quarters, we saw continued
sequential growth beyond previous quarters.

While we are encouraged by our third and fourth quarters results, we are aware
that the actual and perceived impact of COVID-19 is changing and cannot be
predicted. As a result, we cannot assure you that our recent procedure volumes
are indicative of future results or that we will not experience additional
negative impacts associated with COVID-19, which could be significant. The
COVID-19 pandemic has negatively impacted our business, financial condition and
results of operations by significantly decreasing and delaying the number of
procedures performed using our products, and we expect the pandemic could
continue to negatively impact our business, financial condition and results of
operations.

Procedure Volume

We regularly review various operating and financial metrics to evaluate our
business, measure our performance, identify trends affecting our business,
formulate our business plan and make strategic decisions. We believe the number
of procedures performed to treat DVT and PE using our products is an indicator
of our ability to drive adoption and generate revenue. We believe this is an
important metric for our business; however, we anticipate that additional
metrics may become important as our business grows. The following table lists
the number of procedures performed in each of the three-month periods as
indicated:



                                                                           Three Months Ended
                                             Sept 30,      June 30,      March 31,                       Sept 30,      June 30,      March 31,
Procedures(1)              Dec 31, 2020        2020          2020         

2020        Dec 31, 2019        2019          2019          2019
DVT                                2,400         2,000         1,400         1,300             1,000           700           500           300
PE                                 2,200         1,700         1,100         1,100               800           600           400           300
                                   4,600         3,700         2,500         2,400             1,800         1,300           900           600



(1) We define a procedure as any instance in which a physician treats DVT or PE

using our products. We estimate the number of procedures performed based on

records created by our sales representatives. This metric has limitations as

we only have records for the procedures where our sales representatives have

notice that a procedure has been performed. Revenue is recognized based on

hospital purchase orders, not based on the procedure records created by our

sales representatives. Numbers are rounded to the nearest hundred.

Components of our Results of Operations

Revenue



We currently derive all our revenue from the sale of our ClotTriever and
FlowTriever products to hospitals in the United States. Our customers typically
purchase an initial stocking order of our products and then reorder
replenishment product as procedures are performed. No single customer accounted
for 10% or more of our revenue during the years ended December 31, 2020, 2019
and 2018. For the year ended December 31, 2020, approximately 55% of our
customers used both of our products, 33% used ClotTriever only and 12% used
FlowTriever only. We expect revenue to increase in absolute dollars as we expand
our sales organization and sales territories, add customers, expand the base of
physicians that are trained to use our products, expand awareness of our
products with new and existing customers and as physicians perform more
procedures using our products. Revenue for ClotTriever and FlowTriever products
as a percentage of total revenue is as follows:



                                       Years Ended December 31,
                                    2020          2019         2018
                     ClotTriever        37 %          38 %        41 %
                     FlowTriever        63 %          62 %        59 %




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For the year ended December 31, 2020, our blended revenue per procedure was over $9,100. Blended revenue per procedure represents the average of the average selling price per ClotTriever and the average price per FlowTriever procedure.

Cost of Goods Sold and Gross Margin



We manufacture and/or assemble all our products at our facility in Irvine,
California. Cost of goods sold consists primarily of the cost of raw materials,
components, direct labor and manufacturing overhead. Overhead costs include the
cost of quality assurance, material procurement, inventory control, facilities,
equipment and operations supervision and management, including stock-based
compensation. Cost of goods sold also includes depreciation expense for
production equipment and certain direct costs such as shipping costs and royalty
expense. Shipping costs billed to customers are reported as a reduction of cost
of goods sold. We expect cost of goods sold to increase in absolute dollars as
our revenue grows and more of our products are sold, however, we also expect to
realize opportunities to increase operating leverage in our manufacturing
operations.

We calculate gross margin as gross profit divided by revenue. Our gross margin
has been and will continue to be affected by a variety of factors, including
average selling prices, product sales mix, production and ordering volumes,
manufacturing costs, product yields, headcount and cost-reduction strategies.
Our gross margin could fluctuate from quarter to quarter as we introduce new
products, adopt new manufacturing processes and technologies, and as we expand
internationally.

Treatments using the FlowTriever may involve one or more Triever aspiration
catheters and one or more FlowTriever catheters. We charge customers the same
price for each FlowTriever procedure, regardless of the number of components
used. As a result, changes in the number of components used, the cost of these
components and the introduction of additional components can impact our gross
margin.

Research and Development Expenses



Research and development, or R&D, expenses consist primarily of engineering,
product development, clinical studies to develop and support our products,
regulatory expenses, and other costs associated with products that are in
development. These expenses include employee compensation, including stock-based
compensation, supplies, consulting, prototyping, testing, materials, travel
expenses, depreciation and an allocation of facility overhead expenses.
Additionally, R&D expenses include costs associated with our clinical trials and
registries, including clinical study design, clinical study site initiation and
study costs, data management, and internal and external costs associated with
our regulatory compliance, including the costs of outside consultants and
contractors that assist in the process of submitting and maintaining regulatory
filings. We expense R&D costs as incurred. We expect R&D expenses as a
percentage of revenue to vary over time depending on the level and timing of our
new product development efforts, as well as our clinical development, clinical
trials and registries and other related activities.

Selling, General and Administrative Expenses



Selling, general and administrative, or SG&A, expenses consist primarily of
compensation for personnel, including stock-based compensation, related to
selling and marketing functions, physician education programs, commercial
operations and analytics, finance, information technology and human resource
functions. Other SG&A expenses include sales commissions, travel expenses,
promotional activities, marketing initiatives, market research and analysis,
conferences and trade shows, physician training, professional services fees
(including legal, audit and tax fees), insurance costs, general corporate
expenses and facilities-related expenses. We expect SG&A expenses to continue to
increase in absolute dollars as we expand our sales and marketing organization
and infrastructure to both drive and support the anticipated growth in revenue
and due to additional legal, accounting, insurance and other expenses associated
with being a public company.

Interest Income

Interest income consists primarily of interest income earned on our cash and cash equivalents.



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Interest Expense

Interest expense consists primarily of interest incurred on our outstanding indebtedness and non-cash interest related to the amortization of debt discount and issuance costs associated with our indebtedness.

Change in Fair Value of Warrant Liabilities



Change in fair value of warrant liabilities consists of gains and losses
resulting from the remeasurement of the fair value of our preferred stock
warrant liabilities at each balance sheet date. Upon the closing of our IPO, our
outstanding preferred stock warrants automatically converted into warrants to
purchase shares of our common stock. At such time, the final fair value of the
warrant liability was reclassified to stockholders' equity (deficit). We will no
longer record any related periodic fair value adjustments.

Results of Operations

Comparison of the years ended December 30, 2020 and 2019



The following table sets forth the components of our unaudited statements of
operations in dollars and as percentage of revenue for the periods presented
(dollars in thousands):



                                                  Years Ended December 31,
                                        2020           %            2019          %          Change $
Revenue                               $ 139,670        100.0 %    $ 51,129        100.0 %    $  88,541
Cost of goods sold                       13,106          9.4 %       5,911         11.6 %        7,195
Gross profit                            126,564         90.6 %      45,218         88.4 %       81,346
Operating expenses:
Research and development                 18,399         13.2 %       7,220         14.1 %       11,179
Selling, general and administrative      89,746         64.3 %      37,197         72.8 %       52,549
Total operating expenses                108,145         77.5 %      44,417         86.9 %       63,728
Income from operations                   18,419         13.1 %         801          1.5 %       17,618
Other income (expense)
Interest income                             484          0.3 %          89          0.2 %          395
Interest expense                         (1,135 )       (0.8 %)       (920 )       (1.8 %)        (215 )
Other expenses                             (662 )       (0.5 %)       (205 )       (0.4 %)        (457 )
Change in fair value of warrant
  liabilities                            (3,317 )       (2.4 %)       (957 )       (1.9 %)      (2,360 )
Total other expenses, net                (4,630 )       (3.4 %)     (1,993 )       (3.9 %)      (2,637 )
Net income (loss)                     $  13,789          9.7 %    $ (1,192 )       (2.4 %)   $  14,981




Revenue. Revenue increased $88.6 million, or 173%, to $139.7 million during the
year ended December 31, 2020, compared to $51.1 million during the year ended
December 31, 2019. The increase in revenue was due primarily to an increase in
the number of products sold. The increase in revenue was offset in part by the
negative impact of the COVID-19 pandemic on procedure volume and new orders
during the year ended December 31, 2020.

Cost of Goods Sold and Gross Margin. Cost of goods sold increased $7.2 million,
or 122%, to $13.1 million during the year ended December 31, 2020, compared to
$5.9 million during the year ended December 31, 2019. This increase was due to
the increase in the number of products sold and additional manufacturing
overhead costs incurred as we invested significantly in our operational
infrastructure to support anticipated future growth. Cost of goods sold for the
year ended December 31, 2020 was also impacted by $1.1 million in idle
production capacity costs associated with the COVID-19 pandemic. Gross margin
for the year ended December 31, 2020 increased to 90.6%, compared to 88.4% for
the year ended December 31, 2019 due to an increase in the average selling
prices of our products and improved operating leverage.

Research and Development Expenses. R&D expenses increased $11.2 million, or 155%, to $18.4 million during the year ended December 31, 2020, compared to $7.2 million during the year ended December 31, 2019. The


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increase in R&D expenses was primarily due to increases of $5.5 million of personnel-related expenses, $2.5 million of clinical study and registry expenses, $2.4 million in materials and supplies, and $0.7 million in professional fees, in support of our growth drivers to increase our new product pipeline and build the clinical evidence base.



Selling, General and Administrative Expenses. SG&A expenses increased $52.5
million, or 141%, to $89.7 million during the year ended December 31, 2020,
compared to $37.2 million during the year ended December 31, 2019. The increase
in SG&A costs was primarily due to an increase of $41.9 million in
personnel-related expenses as a result of increased headcount across our
organization and increased commissions due to higher revenue, an increase of
$3.8 million in professional fees, an increase of $2.4 million in insurance
costs, an increase of $0.8 million in facility costs, and an increase in $0.8
million in travel costs.

Interest Income. Interest income increased by $395,000 to $484,000 during the
year ended December 31, 2020, compared to $89,000 during the year ended December
31, 2019. The increase in interest income was primarily due to an increase in
average cash, cash equivalents and short-term investments during the year ended
December 31, 2020, compared to the year ended December 31, 2019, resulting from
the receipt of IPO proceeds in May 2020.

Interest Expense. Interest expense increased by $0.2 million or 23% during the
year ended December 31, 2020, compared to the year ended December 31, 2019. This
increase was primarily due to higher average borrowings under our credit
facilities during the year ended December 31, 2020.

Change in Fair Value of Warrant Liabilities. Change in fair value of warrant
liabilities increased $2.4 million to $3.3 million for the year ended December
31, 2020, compared to $0.9 million for year ended December 31, 2019. This
increase was due to the fair value remeasurement of our convertible preferred
stock warrant liabilities.

Other expenses. Other expenses for the year ended December 31, 2020 consisted
primarily of a $0.7 million loss on extinguishment of debt related to the payoff
of our debt facility with Signature Bank.

Comparison of the years ended December 30, 2019 and 2018



The following table sets forth the components of our statements of operations in
dollars and as percentage of revenue for the periods presented (dollars in
thousands):



                                                  Years Ended December 31,
                                        2019          %            2018           %          Change $
Revenue                               $ 51,129        100.0 %    $   6,829        100.0 %    $  44,300
Cost of goods sold                       5,911         11.6 %        1,281         18.8 %        4,630
Gross profit                            45,218         88.4 %        5,548         81.2 %       39,670
Operating expenses:
Research and development                 7,220         14.1 %        3,990         58.4 %        3,230
Selling, general and administrative     37,197         72.8 %       10,698        156.7 %       26,499
Total operating expenses                44,417         86.9 %       14,688        215.1 %       29,729
Income (loss) from operations              801          1.5 %       (9,140 )     (133.9 %)       9,941
Other income (expense)
Interest income                             89          0.2 %           92          1.3 %           (3 )
Interest expense                          (920 )       (1.8 %)        (887 )      (13.0 %)         (33 )
Other expenses                            (205 )       (0.4 %)        (133 )       (1.9 %)         (72 )
Change in fair value of warrant
  liabilities                             (957 )       (1.9 %)         (85 )       (1.2 %)        (872 )
Total other expenses, net               (1,993 )       (3.9 %)      (1,013 )      (14.8 %)        (980 )
Net loss                              $ (1,192 )       (2.4 %)   $ (10,153 )     (148.7 %)   $   8,961




Revenue. Revenue increased $44.3 million, or 648.7%, to $51.1 million during the
year ended December 31, 2019, compared to $6.8 million during the year ended
December 31, 2018. The increase in revenue was due to an increase in the number
of products sold and an increase in the average selling prices of our products.

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Cost of Goods Sold and Gross Margin. Cost of goods sold increased $4.6 million,
or 361.4%, to $5.9 million during the year ended December 31, 2019, compared to
$1.3 million during the year ended December 31, 2018. This increase was due to
the increase in the number of products sold and additional manufacturing
overhead costs as we relocated to our new facility in Irvine, California and
invested significantly in our operational infrastructure to support anticipated
future growth. Gross margin for the year ended December 31, 2019 increased to
88.4%, compared to 81.2% in the year ended December 31, 2018 due to an increase
in the average selling prices of our products and improved operating leverage.

Research and Development Expenses. R&D expenses increased $3.2 million, or
80.9%, to $7.2 million during the year ended December 31, 2019, compared to $4.0
million during the year ended December 31, 2018. The increase in R&D expenses
was primarily due to an increase of $1.3 million of personnel-related expenses,
$1.1 million of clinical study and registry expenses and $0.5 million in
materials and supplies.

Selling, General and Administrative Expenses. SG&A expenses increased $26.5
million, or 247.7%, to $37.2 million during the year ended December 31, 2019,
compared to $10.7 million during the year ended December 31, 2018. The increase
in SG&A costs was primarily due to an increase of $20.1 million in personnel-
related expenses as a result of increased headcount of our sales organization,
increased commissions due to higher revenue and an increase in the number of
products sold, an increase of $2.1 million in professional fees, an increase of
$1.6 million in travel costs and an increase of $1.2 million in marketing and
event costs.

Interest Income. Interest income decreased by 3.3% during the year ended
December 31, 2019, compared to the year ended December 31, 2018. The decrease in
interest income was primarily due to a decrease in average cash and cash
equivalents during the year ended December 31, 2019, compared to the year ended
December 31, 2018.

Interest Expense. Interest expense increased by 3.7% during the year ended
December 31, 2019, compared to the year ended December 31, 2018. This increase
was primarily due to $10.0 million of additional borrowings drawn under the
credit facility with Signature Bank in December 2019. As of December 31, 2018,
the aggregate outstanding principal balance under the amended and restated loan
and security agreement with East West Bank was $10.0 million. As of December 31,
2019, the aggregate outstanding principal balance under the credit facility with
Signature Bank was $20.0 million.

Change in Fair Value of Warrant Liabilities. Change in fair value of warrant
liabilities increased $0.9 million to $1.0 million for the year ended December
31, 2019, compared to $0.1 million for the year ended December 31, 2018. This
increase was due to the fair value remeasurement of our convertible preferred
stock warrant liabilities.

Other Expenses. Other expenses increased to $0.2 million for the year ended December 31, 2019, compared to $0.1 million for the year ended December 31, 2018. This increase was primarily due to a loss on extinguishment of debt related to the refinancing of our debt facility.

Selected Unaudited Quarterly Financial Information



The following table represents certain unaudited quarterly information for the
periods presented. The unaudited quarterly information set forth below has been
prepared on a basis consistent with our audited annual financial statements
included elsewhere in this Annual Report and includes, in our opinion, all
normal recurring adjustments necessary for the fair presentation of the results
of operations for the periods presented. Our historical unaudited quarterly
results are not necessarily indicative of the results that may be expected in
the future.

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The following unaudited quarterly financial information for 2020 and 2019 should
be read in conjunction with our audited financial statements and related notes
thereto included elsewhere in this Annual Report (in thousands, except share and
per share amounts):



                                                                 2020 Quarters ended
                                             March 31         June 30        September 30      December 31
Revenue                                    $     26,953     $     25,392     $      38,715     $     48,610
Cost of goods sold                                2,706            3,487             3,228            3,686
Gross profit                                     24,247           21,905            35,487           44,924
Operating expenses
Research and development                          3,018            3,628             5,217            6,535
Selling, general and administrative              16,393           18,880            23,080           31,393
Total operating expenses                         19,411           22,508            28,297           37,928
Income (loss) from operations                     4,836             (603 )           7,190            6,996
Other income (expense)
Interest income                                      55              146               208               75
Interest expense                                   (346 )           (463 )            (251 )            (75 )
Change in fair value of warrant
liabilities                                        (433 )         (2,884 )               -                -
Other expenses                                        -                -              (651 )            (11 )
Total other expenses                               (724 )         (3,201 )            (694 )            (11 )
Net income (loss)                          $      4,112     $     (3,804 )   $       6,496     $      6,985
Net income (loss) per share
Basic                                      $       0.64     $      (0.16 )   $        0.13     $       0.14
Diluted                                    $       0.09     $      (0.16 )   $        0.12     $       0.13
Weighted average common shares used to
compute net
  income (loss) per share,
Basic                                         6,398,897       24,295,900        48,335,443       48,742,302
Diluted                                      44,952,704       24,295,900        55,355,846       55,221,012

                                                                 2019 Quarters ended
                                             March 31         June 30        September 30      December 31
Revenue                                    $      6,945     $     10,072     $      14,225     $     19,887
Cost of goods sold                                  931            1,331             1,510            2,139
Gross profit                                      6,014            8,741            12,715           17,748
Operating expenses
Research and development                          1,209            1,580             1,722            2,709
Selling, general and administrative               5,426            7,803            10,100           13,868
Total operating expenses                          6,635            9,383            11,822           16,577
Income (loss) from operations                      (621 )           (642 )             893            1,171
Other income (expense)
Interest income                                      23               24                19               23
Interest expense                                   (227 )           (229 )            (226 )           (238 )
Change in fair value of warrant
liabilities                                        (123 )           (118 )            (320 )           (395 )
Other expenses                                        -                -                 -             (205 )
Total other expenses                               (327 )           (323 )            (527 )           (815 )
Net income (loss)                          $       (948 )   $       (965 )   $         366     $        356
Net income (loss) per share
Basic                                      $      (0.17 )   $      (0.17 )   $        0.06     $       0.06
Diluted                                    $      (0.17 )   $      (0.17 )   $        0.01     $       0.01
Weighted average common shares used to
compute net
  income (loss) per share,
Basic                                         5,599,815        5,753,332         5,962,665        6,226,610
Diluted                                       5,599,815        5,753,332        43,911,252       44,660,631






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Liquidity and Capital Resources



To date, our primary sources of capital have been the net proceeds we received
through private placements of preferred stock, debt financing agreements, the
sale of common stock in our IPO, and revenue from the sale of our products. On
May 27, 2020, we completed our IPO, including the underwriters full exercise of
their over-allotment option, selling 9,432,949 shares of our common stock at
$19.00 per share. Upon completion of our IPO, we received net proceeds of
approximately $163.0 million, after deducting underwriting discounts and
commissions and offering expenses. In August 2020, we repaid in full the
$30.0 million of principal owed under the credit facility with Signature
Bank. As of December 31, 2020, we had cash and cash equivalents of $114 million,
short-term investments of $50.0 million, and an accumulated deficit of
$27.4 million. In September 2020, we entered into a new revolving Credit
Agreement with Bank of America which provides for loans up to a maximum of $30
million. As of December 31, 2020, we had no principal outstanding under the
Credit Agreement and the amount available to borrow was approximately $28.5
million.

Based on our current planned operations, we expect that our cash and cash equivalents and available borrowings will enable us to fund our operating expenses for at least 12 months from the date hereof.



If our available cash balances and anticipated cash flow from operations are
insufficient to satisfy our liquidity requirements including because of lower
demand for our products as a result of the risks described in this Annual
Report, we may seek to sell additional common or preferred equity or convertible
debt securities, enter into an additional credit facility or another form of
third-party funding or seek other debt financing. The sale of equity and
convertible debt securities may result in dilution to our stockholders and, in
the case of preferred equity securities or convertible debt, those securities
could provide for rights, preferences or privileges senior to those of our
common stock. The terms of debt securities issued or borrowings pursuant to a
credit agreement could impose significant restrictions on our operations. If we
raise funds through collaborations and licensing arrangements, we might be
required to relinquish significant rights to our platform technologies or
products or grant licenses on terms that are not favorable to us. Additional
capital may not be available on reasonable terms, or at all.

Cash Flows



The following table summarizes our cash flows for each of periods indicated (in
thousands):



                                                         Years Ended December 31,
                                                     2020          2019         2018
    Net Cash (used in) provided by:
    Operating activities                           $   1,912     $ (4,936 )   $ (10,892 )
    Investing activities                             (55,437 )     (3,144 )        (753 )
    Financing activities                             144,115       10,223        26,758
    Net increase in cash and cash equivalent       $  90,590     $  2,143     $  15,113

Net Cash Used in Operating Activities



Net cash provided by operating activities for the year ended December 31, 2020
was $1.9 million, consisting primarily of net income of $13.8 million and
non-cash charges of $9.3 million, offset by an increase in net operating assets
of $21.2 million. The increase in net operating assets was primarily due to
increases in accounts receivable of $16.7 million and inventories of $6.6
million to support the growth of our operations, an increase in prepaid and
other assets of $2.5 million primarily from prepaid insurance, which were
partially offset by increases in accounts payable of $0.5 million and accrued
liabilities of $4.1 million due to timing of payments and growth of our
operations. The non-cash charges primarily consisted of $3.3 million in change
in fair value of the preferred stock warrant liabilities, stock-based
compensation of $3.5 million, $1.4 million in depreciation, and $0.6 million in
loss on extinguishment of debt.

Net cash used in operating activities for the year ended December 31, 2019 was
$4.9 million, consisting primarily of a net loss of $1.2 million and an increase
in net operating assets of $6.3 million, partially offset by non-cash charges of
$2.5 million. The increase in net operating assets was primarily due to
increases in accounts receivable of $9.0 million and inventories of $2.9 million
to support the growth of our operations, an increase in

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prepaid and other assets of $1.2 million from deferred offering costs, partially
offset by increases in accounts payable of $1.8 million and accrued liabilities
of $4.9 million due to timing of payments and growth of our operations. The
non-cash charges primarily consisted of $0.6 million in depreciation,
stock-based compensation of $0.5 million, non-cash interest expense and other
charges related to the amended and restated loan and security agreement with
East West Bank and credit facility with Signature Bank of $0.3 million, and the
change in fair value of the preferred stock warrant liability of $1.0 million.

Net cash used in operating activities for the year ended December 31, 2018 was
$10.9 million, consisting primarily of a net loss of $10.2 million and an
increase in net operating assets of $1.5 million, partially offset
by non-cash charges of $0.8 million. The increase in net operating assets was
primarily due to an increase in accounts receivable of $2.2 million due to
increase in sales and inventories of $0.6 million to support the growth of our
operations, partially offset by increases in accounts payable of $0.4 million
and accrued liabilities of $0.8 million due to timing of payments and growth of
our operations. Non-cash charges consisted primarily of $0.3 million in
depreciation, stock-based compensation of $0.3 million, non-cash interest
expense and other charges related to the amended and restated loan and security
agreement with East West Bank of $0.1 million and the change in fair value of
the convertible preferred stock warrants of $0.1 million.

Net Cash Used in Investing Activities



Net cash used in investing activities for the year ended December 31, 2020 was
$55.4 million consisting of purchases of short-term securities of $50.0 million
and purchases of property and equipment of $5.4 million.

Net cash used in investing activities for the years ended December 31, 2019 and
2018 was $3.1 million and $0.8 million, respectively, consisting of purchases of
property and equipment.

Net Cash Provided by Financing Activities



Net cash provided by financing activities for the year ended December 31, 2020
was $144.1 million primarily consisting of net IPO proceeds of $164.4 million
and net proceeds of $10.0 million received from additional borrowings under the
credit facility with Signature Bank, partially offset by the $30.3 million
repayment of the amount outstanding under the credit facility.

Net cash provided by financing activities for the year ended December 31, 2019
was $10.2 million primarily consisting of net proceeds of $10.0 million received
from additional borrowings under the credit facility with Signature Bank, $0.8
million in proceeds received from subscription receivable, $0.5 million in
deferred financing costs paid, and $0.1 million in proceeds received from the
exercise of stock options.

Net cash provided by financing activities for the year ended December 31, 2018
of $26.8 million primarily relates to net proceeds of $26.9 million from the
issuance of our Series C convertible preferred stock and $0.2 million of debt
financing costs.

Off-Balance Sheet Arrangements



We do not have any off-balance sheet arrangements, as defined by applicable
regulations of the U.S. Securities and Exchange Commission, that are reasonably
likely to have a current or future material effect on our financial condition,
results of operations, liquidity, capital expenditures or capital resources.

Contractual Obligations and Commitments



The following table shows our contractual obligations due by period as of
December 31, 2020:



                                         Less than                                      More than
                                           1 year        1-3 years       4-5 years       5 years        Total
Operating lease obligations              $    1,506     $     4,636     $     4,536     $   13,672     $ 24,350
Total                                    $    1,506     $     4,636     $     4,536     $   13,672     $ 24,350




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Critical Accounting Policies and Estimates



Management's discussion and analysis of our financial condition and results of
operations is based on our consolidated financial statements, which have been
prepared in accordance with U.S. GAAP. The preparation of these consolidated
financial statements requires us to make estimates and assumptions for the
reported amounts of assets, liabilities, revenue, expenses and related
disclosures. Our estimates are based on our historical experience and on various
other factors that we believe are reasonable under the circumstances, the
results of which form the basis for making judgments about the carrying value of
assets and liabilities that are not readily apparent from other sources. Actual
results may differ from these estimates under different assumptions or
conditions and any such differences may be material.

While our significant accounting policies are more fully described in the Note 2
to our audited consolidated financial statements appearing elsewhere in this
Annual Report on Form 10-K, we believe the following discussion addresses our
most critical accounting policies, which are those that are most important to
our financial condition and results of operations and require our most
difficult, subjective and complex judgments.

Revenue Recognition



On January 1, 2019, we adopted Accounting Standards Codification ("ASC")
606, Revenue from Contracts with Customers, using the modified retrospective
method applied to contracts which were not completed as of that date. Revenue
for reporting periods beginning after January 1, 2019 are presented under ASC
606, while prior period amounts are not adjusted and continue to be reported in
accordance with our historic accounting under ASC 605, Revenue Recognition.

Under ASC 606, revenue is recognized when a customer obtains control of promised
goods or services, in an amount that reflects the consideration which the entity
expects to receive in exchange for those goods or services. To determine whether
revenue recognition for arrangements is within the scope of ASC 606, we perform
the following five steps: (i) identify the contract(s) with a customer;
(ii) identify the performance obligations in the contract; (iii) determine the
transaction price; (iv) allocate the transaction price to the performance
obligations in the contract; and (v) recognize revenue when (or as) the entity
satisfies a performance obligation.

Product sales of the FlowTriever and ClotTriever systems are made to hospitals
in the United States utilizing our direct sales force. Revenue is comprised of
product revenue net of returns, administration fees and sales rebates.

Performance Obligation-We have revenue arrangements that consist of a single
performance obligation, delivery of our products. The satisfaction of this
performance obligation occurs with the transfer of control of our product to our
customers, either upon shipment or delivery of the product.

Revenue is measured as the amount of consideration we expect to receive in
exchange for transferring goods. The amount of revenue that is recognized is
based on the transaction price, which represents the invoiced amount and
includes estimates of variable consideration such as rebate and administrative
fees, where applicable. We provide a 30-day unconditional right of return
period. We establish estimated provisions for returns at the time of sale based
on historical experience. Historically, the actual product returns have been
immaterial to our consolidated financial statements.

Assuming all other revenue recognition criteria have been met, we recognize
revenue for arrangements where the Company has satisfied its performance
obligation of delivering the product. For sales where our sales representatives
hand deliver products directly to the hospital, control of the products
transfers to the customer upon such hand delivery. For sales where products are
shipped, control of the products transfers either upon shipment or delivery of
the products to the customer, depending on the shipping terms and conditions. As
of December 31, 2020 and 2019, we recorded $498,000 and $330,000, respectively,
of unbilled receivables, which are included in accounts receivable, net, in the
accompanying consolidated balance sheets.

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Revenue for ClotTriever and FlowTriever products as a percentage of total revenue was derived as follow:



                                       Years Ended December 31,
                                    2020          2019         2018
                     ClotTriever        37 %          38 %        41 %
                     FlowTriever        63 %          62 %        59 %

We offer payment terms to our customers of less than three months and these terms do not include a significant financing component. We exclude taxes assessed by governmental authorities on revenue-producing transactions from the measurement of the transaction price.



We offer a standard warranty to all customers. We do not sell any warranties on
a standalone basis. Our warranty provides that its products are free of material
defects and conform to specifications, and we offer to repair, replace or refund
the purchase price of defective products. This assurance does not constitute a
service and is not considered a separate performance obligation. We estimate
warranty liabilities at the time of revenue recognition and record it as a
charge to cost of goods sold.

Costs associated with product sales include commissions and are recorded in
selling, general and administrative expenses. We apply the practical expedient
and recognizes commissions as expense when incurred because the amortization
period is less than one year.

Cash, Cash Equivalents and Short-Term Investments



We consider cash on hand, cash in demand deposit accounts including money market
funds, and instruments with a maturity date of 90 days or less at date of
purchase to be cash and cash equivalents. We maintain our cash, cash equivalent
and restricted cash balances with banks. Under the Dodd-Frank Wall Street Reform
and Consumer Protection Act, deposits of up to $250,000 at FDIC-insured
institutions are covered by FDIC insurance. At times, deposits may be in excess
of the FDIC insurance limit; however, management does not believe we are exposed
to any significant related credit risk.

Short-term investments have been classified as available-for-sale and are
carried at estimated fair value as determined based upon quoted market prices or
pricing models for similar securities. We determine the appropriate
classification of our investments in debt securities at the time of purchase.
Available-for-sale securities with original maturities less than 12 months at
the date of purchase are considered short-term investments.

Accounts Receivable, net



We record trade accounts receivable at the invoiced amount, net of any allowance
for doubtful accounts. Any allowance for doubtful accounts is developed based
upon several factors including the customers' credit quality,
historical write-off experience and any known specific issues or disputes which
exist as of the balance sheet date. Account receivable balances are written off
against the allowance after appropriate collection efforts are exhausted.

The allowance for doubtful accounts was $62,000 as of December 31, 2020 and
2019, and no accounts receivable write offs were recognized during the years
ended December 31, 2020, 2019 and 2018. Despite the Company's efforts to
minimize credit risk exposure, customers could be adversely affected if future
economic and industry trends, including those related to COVID-19, change in
such a manner as to negatively impact their cash flows. The full effects of
COVID-19 on the Company's customers are highly uncertain and cannot be
predicted. As a result, the Company's future collection experience can differ
significantly from historical collection trends. If the Company's clients
experience a negative impact on their cash flows, it could have a material
adverse effect on the Company's results of operations and financial condition.



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Inventories, net



Inventories, which includes material, labor and overhead costs, are stated at
the lower of cost, determined on a first-in, first-out basis, or net realizable
value. We regularly review inventory quantities in process and on hand, and when
appropriate, record a provision for obsolete and excess inventory after
consideration of actual loss experience, projected future demand, and remaining
shelf life. Our policy is to write down inventory that has become obsolete,
inventory that has a cost basis in excess of its expected net realizable value
and inventory in excess of expected requirements based on future demand and as
compared to remaining shelf life. The estimate of excess quantities is
subjective and primarily dependent on our estimates of future demand for a
particular product. If the estimate of future demand is inaccurate based on
actual sales, we may increase the write down for excess inventory for that
component and record a charge to inventory impairment in the accompanying
consolidated statements of operations and comprehensive income (loss).

Stock-Based Compensation



We maintain an equity incentive plan that permits the grant of share-based
awards, such as stock grants and incentives and non-qualified stock options to
employees, directors, consultants and advisors. We also offer an employee stock
purchase plan which allows participating employees to purchase shares of our
common stock at a discount through payroll deductions.

We recognize equity-based compensation expense for awards of equity instruments
to employees and directors based on the grant date fair value of those awards.
We estimate the fair value of our stock option awards made to employees
and non-employees based on the estimated fair values as of the grant date using
the Black-Scholes option-pricing model, net of estimated forfeitures. The fair
value of restricted stock unit ("RSU") awards is determined based on the number
of units granted and the closing price of the Company's common stock as of the
grant date. The fair value of each purchase under the employee stock purchase
plan ("ESPP") is estimated at the beginning of the offering period using the
Black-Scholes option pricing model.

The model requires us to make a number of assumptions including expected
volatility, expected term, risk-free interest rate and expected dividend yield.
We expense the fair value of our equity-based compensation awards on a
straight-line basis over the requisite service period, which is the period in
which the related services are received.

Recent Accounting Pronouncements



Please refer to Note 2 to our consolidated financial statements appearing under
Part 2, Item 8 for a discussion of new accounting standards updates that may
impact us.

JOBS Act Accounting Election



As an emerging growth company under the JOBS Act, we are eligible to take
advantage of certain exemptions from various reporting requirements that are
applicable to other public companies that are not emerging growth companies.
Thus, an emerging growth company can delay the adoption of certain accounting
standards until those standards would otherwise apply to private companies. We
have elected to take advantage of this extended transition period and, as a
result, our operating results and financial statements may not be comparable to
the operating results and financial statements of companies who have adopted the
new or revised accounting standards.





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