You should read the following discussion and analysis of our financial condition
and results of operations together with our condensed consolidated financial
statements and related notes included elsewhere in this report, and with the
consolidated financial statements and management's discussion and analysis of
our financial condition and results of operations in our Annual Report on Form
10-K for the year ended December 31, 2020, filed with the SEC on February 23,
2021. This discussion and other parts of this report contain forward-looking
statements that involve risk and uncertainties, such as statements of our plans,
objectives, expectations and intentions, including our expectations regarding
the acquisition of our company by Supernus Pharmaceuticals, Inc. and the
expected impact that the COVID-19 pandemic will continue to have on our
business. Our actual results could differ materially from those discussed in
these forward-looking statements. In addition, statements that "we believe" and
similar statements reflect our beliefs and opinions on the relevant subject.
These statements are based upon information available to us as of the date of
this Quarterly Report on Form 10-Q, and while we believe such information forms
a reasonable basis for such statements, such information may be limited or
incomplete, and our statements should not be read to indicate that we have
conducted an exhaustive inquiry into, or review of, all potentially available
relevant information. These statements are inherently uncertain and investors
are cautioned not to unduly rely upon these statements. Factors that could cause
or contribute to such differences include, but are not limited to, those
discussed in the section of this report titled "Risk factors."
Pending Transaction with Supernus Pharmaceuticals, Inc.
On October 10, 2021, we entered into an Agreement and Plan of Merger (the
"Merger Agreement") with Supernus Pharmaceuticals, Inc. ("Parent") and Supernus
Reef, Inc., a wholly owned subsidiary of Parent ("Purchaser"). On the terms and
subject to the conditions of the Merger Agreement, Purchaser commenced a cash
tender offer (the "Tender Offer") to acquire all of the outstanding shares of
our common stock for (i) $8.10 per share in cash plus (ii) two contingent value
right payments per share collectively worth up to $1.00 per share in cash, net
of applicable withholding taxes and without interest. Following the completion
of the Tender Offer, Purchaser will merge with and into Adamas Pharmaceuticals,
Inc., with Adamas Pharmaceuticals, Inc. continuing as the surviving corporation
and as an indirect wholly owned subsidiary of Parent. If the Merger Agreement is
terminated under specified circumstances, we will be required to pay Parent a
termination fee of $16.0 million. The Merger Agreement is subject to customary
closing conditions and is anticipated to close in the fourth quarter of 2021 or
first quarter of 2022.
Overview
At Adamas Pharmaceuticals, Inc., our mission is to make everyday life
significantly better for people affected by neurological diseases. We are a
fully integrated company with commercial and partnered medicines, focused on
growing a portfolio of therapies to address a range of neurological diseases
while actively supporting our patient and physician communities. We combine our
proven expertise in discovery, development and commercialization with our
passion for improving lives to deliver innovative medicines that reduce the
burden of neurological diseases on patients, caregivers, and society. Currently,
we are primarily focused on the commercialization of GOCOVRI in the United
States. Additionally, we have integrated OSMOLEX ER, which we acquired on
January 4, 2021, and are commercializing the product in the United States.
GOCOVRI® (amantadine) extended release capsules is the first and only
FDA-approved medicine indicated for the treatment of dyskinesia in patients with
Parkinson's disease receiving levodopa-based therapy, with or without
concomitant dopaminergic medications, and as an adjunctive treatment to
levodopa/carbidopa in patients with Parkinson's disease experiencing OFF
episodes. GOCOVRI was approved for marketing by the U.S. Food and Drug
Administration, or FDA, on August 24, 2017 for its initial indication to treat
dyskinesia. On February 1, 2021, we announced we had received marketing
authorization from the FDA for a supplemental New Drug Application (sNDA) for
GOCOVRI, gaining a second indication for the product as an adjunctive treatment
for OFF episodes. The update to the label indication makes GOCOVRI the only
medicine clinically proven and approved to reduce both OFF and dyskinesia in
Parkinson's patients taking a levodopa-based medication, resulting in a
clinically meaningful increase in good ON time without the need for a
'trade-off' when managing motor complications. On June 17, 2020, we announced
that we had discontinued further development of (ADS-5102) a potential
additional indication for GOCOVRI for the treatment of walking impairment in
patients with multiple sclerosis ("MSW").
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OSMOLEX ER® (amantadine) extended release tablets, was approved by the FDA on
February 16, 2018, for the treatment of Parkinson's disease and drug-induced
extrapyramidal reactions in adult patients. On January 4, 2021, we acquired the
global rights to OSMOLEX ER from Osmotica Pharmaceuticals US LLC, a subsidiary
of Osmotica Pharmaceuticals plc.
NAMZARIC® (memantine hydrochloride extended release and donepezil hydrochloride)
capsules for the treatment of moderate to severe dementia of the Alzheimer's
type, is marketed in the United States by Allergan plc under an exclusive
license agreement between us and Forest Laboratories Holdings Limited
("Forest"), an indirect, wholly-owned subsidiary of Allergan plc (collectively,
"Allergan"). We began recognizing royalty revenue on net sales of NAMZARIC in
May 2020.
Going forward, if the Merger does not occur, we intend to expand our product
pipeline by acquiring, through license or otherwise, additional candidates for
research and development and potential commercialization.
On December 1, 2020, we entered into a purchase agreement (the "Asset Purchase
Agreement") with Osmotica pursuant to which we acquired the global rights to
OSMOLEX ER and existing inventory for $7.5 million and the assumption of certain
liabilities. The Asset Purchase Agreement closed on January 4, 2021.
On December 1, 2020, we entered into an agreement with HealthCare Royalty
Partners III, L.P. ("HCR") to amend certain key terms of our royalty-backed loan
agreement ("Royalty-Backed Loan") with HCR, to be effective upon the closing of
the Asset Purchase Agreement with Osmotica which subsequently closed on January
4, 2021.
On January 2, 2020, we announced we had granted Sandoz Inc. a license for its
generic version of GOCOVRI as of March 4, 2030, which is over 12 years post
GOCOVRI launch, or earlier in certain circumstances typical for such agreements.
The agreement contains provisions that may accelerate the license date,
including if unit sales of GOCOVRI for the 12-month period ending July 31, 2025
or any subsequent 12-month period decline by a specified percentage below
GOCOVRI unit sales for the year ended December 31, 2019. On February 1, 2021, we
announced we had granted Zydus a license for its generic version of GOCOVRI as
of March 4, 2030. The agreement has similar terms as the Sandoz agreement,
including the potential license acceleration provision. With these licenses
granted to Sandoz and Zydus, the first filer ANDA challenges for GOCOVRI's two
available strengths have now been settled.
Impact of the COVID-19 pandemic on our company
Despite the roll-out of vaccines, the novel Coronavirus ("COVID-19") pandemic is
continuing.
How we are operating in the current COVID-19 environment
We are committed to the health and safety of our employees and their families
and doing our part to slow the community spread of COVID-19. We are following
the guidelines of the Centers for Disease Control and other federal, state and
local authorities and will continue to assess when it is appropriate for our
team to fully return to normal work practices.
Impact on our ability to sell GOCOVRI
We continue to see stable GOCOVRI prescription refill rates due to our continued
strong patient persistence, adequate supply of GOCOVRI, and patient access to
GOCOVRI through distribution from our specialty pharmacy directly to a patient's
home. However, we have seen that new prescription rates have been impacted due
to several factors, including: a fluid environment in which office practices are
changing frequently including many healthcare providers closing their offices
temporarily or are restricting patient visits; patients are postponing visits to
healthcare provider facilities; and our sales force continues to operate in a
mix of virtual and live interactions with healthcare providers, adapting to the
local environment. While we believe the initial decline and continued impact on
new prescriptions to be temporary, the duration and severity is dependent on
future developments, which are highly uncertain and cannot be predicted with
confidence.
Impact on our supply chain
Our GOCOVRI supply chain remains robust and thus far we have observed no
disruptions to our inventory on hand or our planned manufacturing schedule. In
October 2020, the FDA approved our sNDA for AMSA S.p.A. as a secondary supplier
of active pharmaceutical ingredient for GOCOVRI. In July 2021, the FDA approved
our sNDA for a
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second and alternative packager of GOCOVRI. Based on current information, we
believe that our partners in our supply chain have been and will continue to
operate during the current COVID-19 outbreak.
Impact on our financial condition and capital resources
The extent of the impact of COVID-19 on our business, financial results,
liquidity and cash flows will depend largely on future developments, including
the emergence of new variants and new information that may emerge concerning the
severity and duration of actions taken to contain or prevent further spread.
Throughout the COVID-19 pandemic we have observed widespread closure of clinics
and cancellation or rescheduling of patient appointments, restriction of access
to sales representatives in some institutions and a marked increase in
telemedicine consultations. While certain governments have eased restrictions,
there continues to be areas where restrictions remain in place and new variants
may lead to new shutdowns or business disruptions in the future that may further
impact sales. As of September 30, 2021, we had cash, cash equivalents, and
investments of $111.1 million.
Financial operations overview
Product sales consist of sales of GOCOVRI, which was approved by the FDA on
August 24, 2017, and sales of OSMOLEX ER, for which we acquired the global
rights on January 4, 2021. Royalty revenue consists of royalties from Allergan
for sales of NAMZARIC in the United States, which we began to recognize in May
2020. We made GOCOVRI available for physician and patient use in the fourth
quarter of 2017, with a full commercial launch in January 2018. Prior to the
generation of product sales from GOCOVRI, our revenue had been generated
primarily from payments under our license agreement with Allergan for
non-refundable upfront license payments, milestone payments and reimbursements
for research and development expenses for full-time equivalent employees
assigned to the license agreement. There are no further milestone payments to be
earned under our license agreement with Allergan, and we expect reimbursements
for full-time equivalents assigned to the license agreement to be
inconsequential in future periods. Beginning in May 2020, we began to recognize
tiered royalties from Allergan in the low double digits to mid-teens, as a
percent of net sales of NAMZARIC in the United States. Based on recent trends of
NAMZARIC net sales, we expect the tiered royalty to be in the low double digits
through the term of the agreement, but will be eliminated in any quarter where
there is significant competition from generics. Based on Allergan's and our
current settlement agreements with the NAMZARIC ANDA filers to date, the
earliest date on which any of these agreements grant a license to market a
NAMZARIC ANDA filer's generic version of NAMZARIC is January 1, 2025 (or earlier
in certain circumstances). Alternatively, the NAMZARIC ANDA filers with the
earliest license date have the option to launch an authorized generic version of
NAMZARIC beginning on January 1, 2026 instead of launching their own generic
version of NAMZARIC on January 1, 2025. For further discussion of NAMZARIC ANDA
filers, see Litigation and Other Legal Proceedings in "Note 9. Commitments and
Contingencies."
Our investment in research and development activities, including the clinical
development of our product candidates, has historically represented a
significant portion of our total operating expenses. We have concluded the
two-year Phase 3 open-label study of GOCOVRI, suspended investment in the
development of ADS-4101, and completed additional analyses of the data from the
INROADS trial for ADS-5102 for MSW and will not initiate further Phase 3
development. The majority of our research and development efforts thus far in
2021 have been focused on completing activities for ADS-5102 for MSW, primarily
the open-label extension study which closed out during the second quarter of
2021. As a result, we expect research and development costs to be at or below
2020 levels for the foreseeable future, based on this focused strategy.
The process of conducting the necessary clinical research to obtain FDA approval
is costly and time consuming. The actual probability of success for each product
candidate and clinical program may be affected by a variety of factors,
including but not limited to, the quality of the product candidate, early
clinical data, investment in the program, competition, manufacturing capability,
and commercial viability. Furthermore, in the past we have entered into
licensing arrangements with other pharmaceutical companies to develop and
commercialize our product candidates, and we may enter into additional licensing
arrangements or collaborations in the future. In situations in which third
parties have control over the clinical development of a product candidate, the
estimated completion dates are largely under the control of such third parties
and not under our control. We cannot forecast with any degree of certainty which
of our product candidates, if any, will be subject to future licensing or
collaboration arrangements or how such arrangements would affect our development
plans or capital requirements. As a result of the uncertainties discussed above,
we are unable to determine the duration and completion costs of our research and
development projects or when and to what extent we will generate revenue from
the commercialization and sale of any of our product candidates.
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Critical accounting policies and significant judgments and estimates
Our management's discussion and analysis of our financial condition and results
of operations is based on our financial statements, which have been prepared in
accordance with United States generally accepted accounting principles, or U.S.
GAAP. The preparation of these financial statements requires us to make
estimates and assumptions that affect the reported amounts of assets and
liabilities and the disclosure of contingent assets and liabilities at the date
of the financial statements, as well as the reported revenue generated and
expenses incurred during the reporting periods. We base our estimates 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. There have been no
significant and material changes in our critical accounting policies from those
as reflected in "Management's Discussion and Analysis of Financial Condition and
Results of Operations," in our Annual Report on Form 10-K for the year ended
December 31, 2020.
Results of operations
Fluctuations in Operating Results
Our results of operations have fluctuated from period to period in the past and
are likely to continue to do so in the future. We anticipate that our quarterly
and annual results of operations will be impacted for the foreseeable future by
several factors, including the impact on our operations as a result of
fluctuations in product sales due to variances in the number of paid
prescriptions from period to period, conversions from our free drug trial
program to paid prescriptions, and fluctuations in our Medicare Part D Coverage
Gap liability and the volume of purchases eligible for government mandated
discounts and rebates, as well as changes in discount percentages that may be
impacted by potential future price increases and other factors. Further, we
expect the timing of expenditures related to our commercial activities
associated with GOCOVRI and OSMOLEX ER in addition to research and development
activities to vary from period to period, including those associated with the
label revision for GOCOVRI to include OFF episodes, and potential development of
additional product candidates. Due to these fluctuations, we believe that the
period to period comparisons of our operating results are not necessarily a good
indication of our future performance.
Comparison of the three and nine months ended September 30, 2021 and 2020
Financial results for the periods ended September 30, 2021 include OSMOLEX ER's
financial results subsequent to the acquisition closing date of January 4, 2021.
Revenues
The following table summarizes the sources of our revenues by category for the
periods indicated (dollars in thousands):
                             Three Months Ended September                                                      Nine Months Ended September
                                         30,                        Increase             % Increase                        30,                        Increase             % Increase
                                2021              2020             (Decrease)            (Decrease)               2021              2020             (Decrease)            (Decrease)
Product sales               $  24,579          $ 18,970          $     5,609                      30  %       $  63,114          $ 51,405          $    11,709                      23  %
Royalty revenue                 1,317             1,206                  111                       9  %           4,065             2,046                2,019                      99  %
Total revenues              $  25,896          $ 20,176          $     5,720                      28  %       $  67,179          $ 53,451          $    13,728                      26  %


Product sales
Product sales by product were as follows for the periods indicated (dollars in
thousands):
                                  Three Months Ended September                                                      Nine Months Ended September
                                              30,                        Increase             % Increase                        30,                        Increase             % Increase
                                     2021              2020             (Decrease)            (Decrease)               2021              2020             (Decrease)            (Decrease)
GOCOVRI                          $  24,013          $ 18,970          $     5,043                      27  %       $  61,737          $ 51,405          $    10,332                      20  %
OSMOLEX ER                             566                 -                  566                         NM           1,377                 -                1,377                         NM
Total product sales              $  24,579          $ 18,970          $     5,609                      30  %       $  63,114          $ 51,405          $    11,709                      23  %


NM - Not meaningful.
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Table of Contents The following table summarizes the approximate number of total GOCOVRI paid prescriptions for the periods indicated:


                                         Three Months Ended September 30,                  Increase               % Increase                   Nine Months Ended September 30,                   Increase               % Increase
                                        2021                           2020               (Decrease)              (Decrease)                 2021                            2020               (Decrease)              (Decrease)
Total GOCOVRI Paid Prescriptions       10,700                           7,785               2,915                          37  %            28,835                           22,905               5,930                          26  %


GOCOVRI product sales increased by $5.0 million, or 27%, to $24.0 million for
the three months ended September 30, 2021, from $19.0 million for the three
months ended September 30, 2020, and increased by $10.3 million, or 20%, to
$61.7 million for the nine months ended September 30, 2021, from $51.4 million
for the nine months ended September 30, 2020. The increase in both periods was
due to growth in sales of GOCOVRI, in addition to a 3% price increase that went
into effect in January 2021. The approximate number of total GOCOVRI paid
prescriptions increased by 2,915, or 37%, to 10,700 for the three months ended
September 30, 2021, from 7,785 for the three months September 30, 2020, and
increased by 5,930, or 26% to 28,835 for the nine months ended September 30,
2021, from 22,905 for the nine months ended September 30, 2020. OSMOLEX ER
product sales were $0.6 million and $1.4 million for the three and nine months
ended September 30, 2021, compared to no sales for the three and nine months
ended September 30, 2020, as we acquired OSMOLEX ER at the beginning of January
2021.
Strong GOCOVRI patient persistence of 45%-50% at 12 months continued in the
third quarter of 2021. In addition to total paid prescriptions, we monitor new
paid prescriptions as a key performance indicator for our business. The
following table summarizes the approximate number of total GOCOVRI paid
prescriptions and approximate number of new GOCOVRI paid prescriptions for each
of the quarterly periods indicated:
                                                                                              Three Months Ended
                                 September 30           June 30             March 31            December 31            September 30            June 30              March 31
                                     2021                 2021                2021                  2020                   2020                  2020                 2020
Total GOCOVRI paid
prescriptions                      10,700                 9,400              8,735                 8,165                  7,785                 7,915                7,205
New GOCOVRI paid
prescriptions                         690                   730                590                   510                    430                   370                  500


Royalty revenue
Royalty revenue was $1.3 million and $4.1 million for the three and nine months
ended September 30, 2021, respectively, compared to $1.2 million and $2.0
million for the three and nine months ended September 30, 2020, respectively. We
began recognizing royalty revenue on net sales of NAMZARIC in May 2020.
Cost of product sales
Cost of product sales for the periods indicated were as follows (dollars in
thousands):
                               Three Months Ended                                                         Nine Months Ended September
                                 September 30,                 Increase             % Increase                        30,                       Increase             % Increase
                              2021             2020           (Decrease)            (Decrease)               2021              2020            (Decrease)            (Decrease)

Cost of product sales      $    576          $ 488          $        88                      18  %       $   1,488          $ 1,441          $        47                       3  %


Cost of product sales increased by $0.1 million to $0.6 million, or 2% of
product sales, for the three months ended September 30, 2021, from $0.5 million,
or 3% of product sales, for the three months ended September 30, 2020; and
increased by $47,000 to $1.5 million, or 2% of product sales, for the nine
months ended September 30, 2021, from $1.4 million, or 3% of product sales, for
the nine months ended September 30, 2020. Included in cost of product sales for
the nine months ended September 30, 2021 and 2020, is a provision for the
write-down of inventory of $29,000 and $0.3 million, respectively. Prior to
receiving FDA approval in August 2017, we recorded all inventory costs incurred
in the manufacture of GOCOVRI to be sold upon commercialization as research and
development expense. As of June 30, 2020, substantially all the inventory that
was previously expensed to research and development had been sold to customers.
We do not expect our cost of product sales of GOCOVRI as a percentage of product
sales to exceed 6% for the foreseeable future, excluding potential unknown
one-time charges.
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Research and development expenses
Research and development expenses for the periods indicated were as follows
(dollars in thousands):
                               Three Months Ended September                                                      Nine Months Ended September
                                            30,                       Increase             % Increase                        30,                       Increase             % Increase
                                   2021              2020            (Decrease)            (Decrease)               2021              2020            (Decrease)            (Decrease)
Research and development
expenses                       $   1,225          $ 2,333          $    (1,108)                    (47) %       $   4,485          $ 7,348          $    (2,863)                    (39) %


Research and development expenses decreased by $1.1 million, or 47%, to $1.2
million for the three months ended September 30, 2021, from $2.3 million for the
three months ended September 30, 2020; and decreased by $2.9 million, or 39%, to
$4.5 million for the nine months ended September 30, 2021, from $7.3 million for
the nine months ended September 30, 2020. The decrease in research and
development expenses for both periods was mainly attributable to lower clinical
activity for the open-label extension study of ADS-5102 for the treatment of
walking impairment in patients with multiple sclerosis. We discontinued
additional development of this program in June 2020 and the open-label extension
study closed out during the second quarter of 2021. Included in research and
development expenses was stock-based compensation expense, which was $0.1
million and $0.3 million for the three and nine months ended September 30, 2021,
respectively, as well as the three and nine months ended September 30, 2020.
Research and development expenses by category for the periods indicated were as
follows (in thousands):
                                                Three Months Ended September 30,               Nine Months Ended September 30,
                                                    2021                   2020                    2021                   2020
GOCOVRI(1)                                  $             649          $    2,031          $           2,850          $    6,183

Other research and development expenses                   576                 302                      1,635               1,165
Total research and development expenses     $           1,225          $    2,333          $           4,485          $    7,348


(1)Includes program costs we incurred for GOCOVRI (formerly referred to as
ADS-5102) for the treatment of dyskinesia in patients with Parkinson's disease,
and ADS-5102 (GOCOVRI) for additional potential CNS indications, including for
the treatment of walking impairment in patients with multiple sclerosis.
The program-specific expenses summarized in the table above include costs
directly attributable to our product candidates. Other research and development
expenses include costs for early stage programs and costs not allocated to a
specific program. We allocate benefits, stock-based compensation, and indirect
costs to our product candidates on a program-specific basis, and we include
these costs in the program-specific expenses. We begin to track and report
program-specific expenses for early stage programs once they have been nominated
and selected for further development and clinical-stage work has commenced.
Selling, general and administrative expenses, net
Selling, general and administrative expenses, net were as follows (dollars in
thousands):
                                     Three Months Ended September                                                      Nine Months Ended September
                                                 30,                        Increase             % Increase                        30,                        Increase             % Increase
                                        2021              2020             (Decrease)            (Decrease)               2021              2020             (Decrease)            (Decrease)
Selling, general and administrative
expenses, net                       $  29,731          $ 26,120          $     3,611                      14  %       $  85,522          $ 73,849          $    11,673                      16  %


Selling, general and administrative expenses, net, increased by $3.6 million, or
14%, to $29.7 million for the three months ended September 30, 2021, from $26.1
million for the three months ended September 30, 2020; and increased by $11.7
million, or 16%, to $85.5 million for the nine months ended September 30, 2021,
from $73.8 million for the nine months ended September 30, 2020. The increase in
selling, general and administrative expenses for the three and nine months ended
September 30, 2021, was primarily due to: increased costs of approximately $1.8
million and $4.1 million, respectively, in personnel related costs, including
stock-based compensation; and increased costs of approximately $1.8 million and
$7.6 million, respectively, for GOCOVRI related promotional costs, market
research and other external professional services, costs for the initial
promotion of OSMOLEX ER, and other general corporate expenses. Included in
selling, general and administrative expenses was stock-based compensation
expense, which was
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$1.8 million and $5.2 million for the three and nine months ended September 30,
2021, respectively, compared to $1.6 million and $4.5 million for the three and
nine months ended September 30, 2020, respectively.
Interest and other income (expense), net
Interest and other income (expense), net were as follows (dollars in thousands):
                              Three Months Ended September                                                 Nine Months Ended September
                                           30,                      Increase            % Increase                     30,                      Increase            % Increase
                                   2021              2020          (Decrease)           (Decrease)             2021              2020          (Decrease)           (Decrease)

Interest and other income
(expense), net                $   (10,385)         $ 355          $  (10,740)                     NM       $   (9,721)         $ 654          $  (10,375)                     NM


NM - Not meaningful.
Interest and other expense, net, for the three and nine months ended
September 30, 2021 was $10.4 million and $9.7 million, respectively, compared to
interest and other income, net, of $0.4 million and $0.7 million for the three
and nine months ended September 30, 2020, respectively. During the three months
ended September 30, 2021 there was a loss on the fair value of the embedded
derivative liability related to our Royalty-Backed Loan with HCR of $10.4
million compared to a gain of $0.2 million during the three months ended
September 30, 2020. During the nine months ended September 30, 2021 there was a
loss on the fair value of the embedded derivative liability of $9.8 million,
compared to a loss of $0.3 million during the nine months ended September 30,
2020. The change in the fair value of the embedded derivative liability was due
to an increase in the probability of a change in control. For further discussion
of the Merger Agreement we entered into with Supernus Pharmaceuticals, Inc., see
"Note 14. Subsequent Event" in the accompanying "Notes to Condensed Consolidated
Financial Statements (unaudited)" in Item 1 of this Quarterly Report on Form
10-Q. During the nine months ended September 30, 2021 there was also lower
interest income due to lower interest rates compared to the nine months ended
September 30, 2020.
Interest expense
Interest expense related to our Royalty-Backed Loan was as follows (in
thousands, except percentages):
                            Three Months Ended September                                                     Nine Months Ended September
                                         30,                       Increase             % Increase                       30,                        Increase             % Increase
                                2021              2020            (Decrease)            (Decrease)              2021              2020             (Decrease)            (Decrease)
Interest expense            $   3,497          $ 3,506          $        (9)                     0  %       $  10,398          $ 10,597          $      (199)                    (2) %


Interest expense for the three and nine months ended September 30, 2021 remained
relatively consistent with the three and nine months ended September 30, 2020.
Liquidity and Capital Resources
Our principal sources of liquidity are our cash, cash equivalents, and
investments, which totaled $111.1 million and $83.4 million at September 30,
2021 and December 31, 2020, respectively. As of September 30, 2021, we had an
accumulated deficit of $549.7 million.
Prior to 2019, we raised an aggregate of approximately $336.6 million in sales
of equity securities and entered into a Royalty-Backed Loan with HCR, whereby we
borrowed a total of $100.0 million. As of September 30, 2021, the total
remaining payment obligation of the Royalty-Backed Loan was $167.9 million.
Since January 1, 2019, we have funded our operations primarily through sales of
GOCOVRI, through sales of our common stock, and to a lesser extent through
royalties received on net sales of NAMZARIC and sales of OSMOLEX ER. In November
2019, we entered into a sales agreement with Cowen and Company, LLC, pursuant to
which we may, from time to time, issue and sell shares of common stock having an
aggregate offering value of up to $50.0 million. As of September 30, 2021, we
had issued 1,553,299 shares of common stock under the sales agreement and raised
net proceeds of $8.3 million, including 1,335,896 shares sold at an average
price of $5.57, for net proceeds of $7.2 million during the nine months ended
September 30, 2021. We did not issue any shares under this agreement during the
three months ended September 30, 2021. In March 2021, we completed a follow-on
public offering of 14,375,000 shares of our common stock, which includes the
exercise in full by the underwriters of their option to purchase 1,875,000
shares of common stock, at an
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offering price of $4.40 per share. Proceeds from the follow-on public offering
were approximately $59.3 million, net of underwriting discounts and
offering-related transaction costs.
We believe our existing cash, cash equivalents, and investments at September 30,
2021 will be sufficient to fund our projected operating requirements, including
continued commercialization of GOCOVRI for the treatment of OFF and dyskinesia
in patients with Parkinson's disease and OSMOLEX ER activities, for at least 12
months from the issuance of this Quarterly Report on Form 10-Q. However, it is
possible that we will not achieve the progress that we expect, because revenues
from GOCOVRI and OSMOLEX ER may be less than anticipated, especially in light of
the current COVID-19 pandemic, and the actual costs and timing of drug
development, particularly clinical studies, and regulatory approvals are
difficult to predict, subject to substantial risks and delays, and often vary
depending on the particular indication and development strategy. The duration
and severity of the COVID-19 pandemic is unknown and makes projecting the
outcome of future developments highly uncertain and cannot be predicted with
confidence. Moreover, the costs associated with commercializing drugs are high
and market acceptance is uncertain.
We expect to incur substantial expenses and operating losses for the foreseeable
future. We expect to continue significant spending in connection with the
continued commercialization of GOCOVRI for the treatment of OFF and dyskinesia
in patients with Parkinson's disease, OSMOLEX ER activities, and potential
development of additional product candidates. If the pending acquisition of our
company by Supernus Pharmaceuticals, Inc. (the "Merger") does not close, to
continue these activities, we may decide to raise additional funds through a
combination of public equity offerings, debt financings, royalty financings,
collaborations, strategic alliances, licensing arrangements, asset sales, and
other marketing and distribution arrangements. Sufficient additional funding may
not be available on acceptable terms, or at all, especially as a result of the
economic downturn occurring and expected to continue as a result of the
emergence of new variants and actions taken to contain the spread of COVID-19.
If the Merger does not close and if adequate funds are not available in the
future, we may need to delay, reduce the scope of, or put on hold our clinical
studies, research and development programs, or commercialization efforts.
The following table summarizes our cash flows for the periods indicated (in
thousands):
                                                                   Nine Months Ended September 30,
                                                                     2021                     2020
Net cash (used in) provided by:
Operating activities                                          $        (36,486)         $     (40,381)
Investing activities                                                   (22,066)                25,030
Financing activities                                                    65,515                    380

Net increase (decrease) in cash and cash equivalents $ 6,963 $ (14,971)

Net Cash Used In Operating Activities
Net cash used in operating activities was $36.5 million for the nine months
ended September 30, 2021 and consisted primarily of our net loss of $44.4
million and net changes in operating assets and liabilities of $8.4 million,
partially offset by non-cash adjustments of $16.4 million. Changes in our
operating assets and liabilities consisted primarily of: a decrease in accrued
liabilities and other liabilities of $14.3 million mainly related to payment to
Osmotica representing a patent litigation settlement, payout of the 2020 annual
bonus, and release of a litigation settlement liability which amount was paid by
insurance to the settlement class members; an increase in accounts receivable of
$2.0 million due to higher unit sales and timing of receivable collections;
offset by a decrease in prepaid expenses and other assets of $7.2 million mainly
related to release of an insurance litigation recovery which amount was paid by
insurance to the settlement class members. The non-cash adjustments consisted
mainly of stock-based compensation of $5.5 million and a change in the fair
value of the embedded derivative liability related to our Royalty-Backed Loan
with HCR of $9.8 million.
Net Cash Used In Investing Activities
Net cash used in investing activities was $22.1 million for the nine months
ended September 30, 2021, mainly as a result of purchases of available-for-sale
securities, net of maturities, of $20.7 million, and the acquisition of OSMOLEX
ER of $1.3 million.
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Net Cash Provided By Financing Activities
Net cash provided by financing activities was $65.5 million for the nine months
ended September 30, 2021, as a result of: cash proceeds of $59.3 million related
to our March 2021 follow-on public offering; $7.2 million related to the sale of
common stock under a controlled equity offering; and $0.7 million related to the
exercise of stock options and purchases of common stock under the Employee Stock
Purchase Plan; offset in part by $1.7 million of principal payments on our
Royalty-Backed Loan with HCR.
Off-balance sheet arrangements
Since our inception, we have not engaged in any off-balance sheet arrangements,
including the use of structured finance, special purpose entities, or variable
interest entities.
Contractual obligations
Our future non-cancelable contractual obligations were reported in our Annual
Report on Form 10-K for the year ended December 31, 2020 that was filed with the
SEC on February 23, 2021. There have been no material changes outside the
ordinary course of our business to our future non-cancelable contractual
obligations during the nine months ended September 30, 2021.
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