You should read the following discussion and analysis of our financial condition
and results of operations together with our consolidated financial statements
and related notes appearing elsewhere in this Form 10-K. The following
discussion contains forward-looking statements that involve risks, uncertainties
and assumptions. Our actual results and the timing of certain events could
differ materially from those anticipated in these forward-looking statements as
a result of many factors. We discuss factors that we believe could cause or
contribute to these differences below and elsewhere in this Form 10-K, including
those set forth under "Forward-looking Statements" and "Risk Factors", as
revised and supplemented by those risks described from time to time in other
reports which we file with the SEC.

Overview


We are a specialty pharmaceutical company committed to being the leader in
responsible pain management. Our first product, Xtampza ER, is an
abuse-deterrent, extended-release, oral formulation of oxycodone. In April 2016,
the FDA, approved our NDA for Xtampza ER for the management of pain severe
enough to require daily, around-the-clock, long-term opioid treatment and for
which alternative treatment options are inadequate. In June 2016, we announced
the commercial launch of Xtampza ER.



Our product portfolio also includes the Nucynta Products. In December 2017, we
entered into the Nucynta Commercialization Agreement with Assertio, pursuant to
which we licensed the right to commercialize the Nucynta Products in the United
States. Nucynta ER is an extended-release formulation of tapentadol that is
indicated for the management of pain severe enough to require daily, around the
clock, long-term opioid treatment, including neuropathic pain associated with
diabetic peripheral neuropathy in adults, and for which alternate treatment
options are inadequate. Nucynta IR is an immediate-release formulation of
tapentadol that is indicated for the management of acute pain severe enough to
require an opioid analgesic and for which alternative treatments are inadequate
in adults.



We closed the transactions contemplated by the Nucynta Commercialization
Agreement, as amended, on January 9, 2018, and we began marketing and
commercially selling the Nucynta Products in February 2018. On February 13,
2020, we closed our acquisition of certain assets related to the Nucynta
Products, including the right to commercialize the Nucynta Products in the
United States and certain regulatory and supply chain assets (the "Nucynta
Acquisition"), from Assertio for an aggregate purchase price of $375.0 million,
subject to certain adjustments as set forth in that certain Asset Purchase
Agreement, dated as of February 6, 2020, by and between us and Assertio (the
"Nucynta Purchase Agreement").



For the fiscal year ended December 31, 2019, we generated $296.7 million in net revenues, comprised of $105.0 million from sales of Xtampza ER and $191.7 million from sales of the Nucynta Products.







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Outlook

We expect to continue to incur significant commercialization expenses related to
marketing, manufacturing, distribution, selling and reimbursement activities. We
are promoting Xtampza ER to approximately 11,000 health care professionals who
write approximately 65% of the branded extended-release oral opioid
prescriptions in the United States with a sales team of approximately 150 sales
representatives and managers. We are promoting the Nucynta Products to the same
health care professionals to whom we promote Xtampza ER, leveraging our existing
sales organization. We have historically paid royalty to Assertio on all
revenues from the sale of Nucynta Products based on certain net sales
thresholds.



We have never been profitable and have incurred net losses in each year since
inception. We incurred net losses of $22.7 million, $39.1 million and $74.9
million for the years ended December 31, 2019, 2018 and 2017, respectively. As
of December 31, 2019, we had an accumulated deficit of $359.9 million.
Substantially all of our net losses resulted from costs incurred in connection
with selling, general and administrative costs associated with our operations
and research and development programs.

We believe that our cash and cash equivalents at December 31, 2019 together with
expected cash inflows from the commercialization of our products, will enable us
to fund our operating expenses, debt service and capital expenditure
requirements under our current business plan for the foreseeable future.



Financial Operations Overview

Product Revenues


Product revenue through the year ended December 31, 2019 has been generated from
product sales of Xtampza ER and the Nucynta Products. In accordance with
Accounting Standards Codification ("ASC") Topic 606, Revenue from Contracts with
Customers, product sales are recorded net of a provision for estimated
chargebacks, rebates, sales incentives and allowances, distribution service
fees, and returns upon delivery of products to customers.

Cost of Product Revenues



Cost of product revenues include amortization of the intangible asset acquired
in connection with the Nucynta Commercialization Agreement ("Nucynta Intangible
Asset"), royalty expense, the cost of active pharmaceutical ingredient, the cost
of producing finished goods that correspond with revenue for the reporting
period, as well as certain period costs related to freight, packaging, stability
and quality testing. Please refer to Note 4, License Agreements, and Note 9,
Intangible Assets, for further detail around the Nucynta Intangible Asset and
royalty expense.

Research and Development Expenses

Research and development expenses consist of development costs associated with our products, product platform technology and development of our product candidates. These costs are expensed as incurred and include:

? compensation and employee-related costs, including stock-based compensation;

costs associated with conducting our preclinical, clinical and regulatory

? activities, including fees paid to third-party professional consultants and

service providers;

? costs incurred under clinical trial agreements;

? costs for laboratory supplies;

? costs to acquire, develop and manufacture preclinical study and clinical trial

materials; and

? facilities, depreciation and other expenses including allocated expenses for


   rent and maintenance of facilities.




We cannot determine with certainty the timing of initiation, the duration or the
completion costs of future preclinical studies and clinical trials. At this
time, due to the inherently unpredictable nature of preclinical and clinical
development, we are unable to estimate with any certainty the costs we will
incur and the timelines required for our products. Clinical and preclinical
development timelines, the probability of success and development costs can
differ materially from expectations. In addition, we cannot forecast which
products may be subject to future collaborations, when such arrangements will be
secured, if at all, and to what degree such arrangements would affect our
development plans and capital requirements.

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Our research and development has been focused primarily on developing our DETERx
platform technology and Xtampza ER. Accordingly, historically we have not
tracked research and development costs by project. In addition, we use our
employee and infrastructure resources across multiple research and development
projects.

Selling, General and Administrative Expenses


Selling, general and administrative expenses consist primarily of salaries and
employee-related costs, including stock-based compensation and travel expenses
for our employees in executive, finance, sales and marketing and administrative
functions. Other selling, general and administrative expenses include
facility-related costs and professional fees for directors, accounting and legal
services, and expenses associated with obtaining and maintaining patents. As we
continue to invest in the commercialization of our products, we expect our
selling, general and administrative expenses to be substantial for the
foreseeable future.

Interest Expense



Interest expense consists primarily of non-cash interest costs related to our
Nucynta Commercialization Agreement and cash interest costs from the Loan and
Security Agreement with Silicon Valley Bank ("SVB").



Interest Income


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

Critical Accounting Policies and Significant Judgments and Estimates



Our management's discussion and analysis of our financial condition and results
of operations are based on our consolidated financial statements, which have
been prepared in accordance with generally accepted accounting principles in the
United States of America ("GAAP"). The preparation of these financial statements
requires us to make estimates and judgments that affect the reported amounts of
assets, liabilities, revenue and expenses and the disclosure of contingent
assets and liabilities in our consolidated financial statements. Estimates
include revenue recognition, including the estimates of product returns, units
prescribed, discounts and allowances related to commercial sales of our
products, estimates utilized in the valuation of inventory, estimates of useful
lives with respect to intangible assets, accounting for stock-based
compensation, contingencies, intangible assets and tax valuation reserves. We
base our estimates and assumptions on historical experience when available and
on various 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. We
evaluate our estimates and assumptions on an ongoing basis. Actual results may
differ from these estimates under different assumptions or conditions.

While our significant accounting policies are described in more detail in
Note 2, Summary of Significant Accounting Policies, to our consolidated
financial statements appearing elsewhere in this on Form 10-K, we believe the
following accounting policies to be most critical to the significant judgments
and estimates used in the preparation of our consolidated financial statements.

Revenue Recognition



Our accounting policy for revenue recognition will have a substantial impact on
reported results and relies on certain estimates. Estimates are based on
historical experience, current conditions and various other assumptions that we
believe are reasonable, the results of which form the basis for making judgments
about the carrying values of assets, liabilities and equity and the amounts of
revenues and expenses. Actual results may differ from these estimates under
different assumptions or conditions.

Product Revenue





Our only source of revenue to date has been generated by sales of our products,
which are primarily sold to distributors ("customers"), which in turn sell the
product to pharmacies for the treatment of patients ("end users"). For the year
ended December 31, 2019, in accordance with ASC Topic 606, Revenue from
Contracts with Customers ("ASC 606"), revenue for product sales 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. This generally

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occurs upon delivery; when estimated provisions for chargebacks, rebates, sales
incentives and allowances, distribution service fees, and returns are reasonably
determinable. Therefore, product sales are recorded upon delivery net of
estimated chargebacks, rebates, sales incentives and allowances, distribution
service fees, as well as estimated product returns.



Prior to the adoption of ASC 606 on January 1, 2018, we recognized revenue in
accordance with ASC Topic 605, Revenue Recognition ("legacy GAAP"), or when
there was persuasive evidence of an arrangement; when title and risk of loss had
passed to the customer; when estimated provisions for chargebacks, rebates,
sales incentives and allowances, distribution service fees, and returns were
reasonably determinable; and when collectability was reasonably assured. The
satisfaction of these criteria generally occurred upon delivery of products to
customers, or the sell-in method of revenue recognition under legacy GAAP. In
addition, we recognized the transaction price net of estimated chargebacks,
rebates, sales incentives and allowance. Given that timing of recognition for
product sales under legacy GAAP and ASC 606 occurred on the delivery of products
to customers and there were no differences in transaction price under legacy
GAAP and ASC 606, the adoption of Topic 606 did not have a material impact on
our consolidated financial position, results of operations, equity or cash flows
for the year ended December 31, 2018.



Prior to the third quarter of 2017, we recognized revenue when products were
dispensed to end users, or the sell-through method of revenue recognition under
legacy GAAP, as we did not have sufficient experience with product sales to
estimate returns at the time product was sold to customers. In the third quarter
of 2017, we transitioned to the sell-in method of revenue recognition and
recorded a cumulative one-time $4.4 million increase to revenues.



Sales Deductions



Sales deductions consist primarily of provisions for (1) rebates and incentives,
including managed care rebates, government rebates, co-pay program incentives,
and sales incentives and allowances; (2) product returns, including return
estimates for both the Nucynta Products and Xtampza ER; and (3) trade allowances
and chargebacks, including fees for distribution service fees, prompt pay
discounts, and chargebacks. We estimate the amount of variable consideration
that should be included in revenue under the expected value method for all sales
deductions other than trade allowances, which are estimated under the most
likely amount method. These provisions reflect our best estimates of the amount
of revenue to which we are entitled based on the terms of our contracts.



Provisions for rebates and incentives are based on the estimated amount of
rebates and incentives to be claimed on the related sales from the period. As
our rebates and incentives are based on products dispensed to patients, we are
required to estimate the expected value of claims at the time of product
delivery to distributors. Given that distributors sell the product to
pharmacies, which in turn dispense the product to patients, claims can be
submitted significantly after the related sales are recognized. Our estimates of
these claims are based on the historical experience of existing or similar
programs, including current contractual and statutory requirements, specific
known market events and trends, industry data, and estimated distribution
channel inventory levels. Accruals and related reserves required for rebates and
incentives are adjusted as new information becomes available, including actual
claims. If actual results vary, we may need to adjust these estimates, which
could have an effect on earnings in the period of the adjustment.



Provisions for product returns are based on product-level historical trends, as
well as relevant market events and other factors. For the Nucynta Products,
estimates of product returns are primarily based on historical trends as the
Nucynta Products have been commercially sold for a number of years. For Xtampza
ER, since the product has only been commercially sold since June 2016, estimates
of product returns are based on a combination of historical returns processed to
date, taking into consideration the expiration date of product upon delivery to
customers, as well as forecasted customer buying patterns, shipment and
prescription trends, channel inventory levels, and other specifically known
market events and trends.



Provisions for trade allowances and chargebacks are primarily based on customer-level contractual terms. Accruals and related reserves are adjusted as new information becomes available, which generally consists of actual trade allowances and chargebacks processed relating to sales recognized in the period.





Intangible Assets

We record the fair value of finite-lived intangible assets as of the transaction
date. Intangible assets are then amortized over their estimated useful lives
using either the straight-line method, or if reliably determinable, based on the
pattern in

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which the economic benefit of the asset is expected to be utilized. We test intangible assets for potential impairment whenever triggering events or circumstances present an indication of impairment. If the sum of expected undiscounted future cash flows of the intangible assets is less than the carrying amount of such assets, the intangible assets would be written down to the estimated fair value, calculated based on the present value of expected future cash flows.

As of December 31, 2019, our only intangible asset is related to the Nucynta Intangible Asset.



Results of Operations

Comparison of the Years Ended December 31, 2019, 2018 and 2017

The following table summarizes the results of our operations for the years ended December 31, 2019, 2018 and 2017:




                                         Years ended December 31,
                                       2019         2018         2017
                                               (in thousands)
Product revenues, net               $  296,701   $  280,413   $   28,476
Costs and expenses
Cost of product revenues               193,660      165,677        2,595
Research and development                10,340        8,661        8,572
Selling, general and administrative    116,449      126,760       92,756
Total costs and expenses               320,449      301,098      103,923
Loss from operations                  (23,748)     (20,685)     (75,447)

Interest expense                         (909)     (20,130)            -
Interest income                          1,935        1,687          582
Net loss                            $ (22,722)   $ (39,128)   $ (74,865)

Comparison of the Years Ended December 31, 2019 and 2018



Product revenues, net were $296.7 million for the year ended December 31, 2019
("2019"), compared to $280.4 million for the year ended December 31, 2018
("2018"). The $16.3 million increase related to an increase in revenue for
Xtampza ER of $35.6 million, offset by a decrease in revenue for the Nucynta
Products of $19.3 million. For 2019, Xtampza ER product revenues, net were
$105.0 million, compared to $69.4 million for 2018. The increase in revenue for
Xtampza ER was primarily related to an increase in sales volume due to
increasing demand. For 2019, Nucynta IR and ER product revenues, net were $117.7
million and $74.0 million, respectively, compared to $129.9 million and $81.1
million, respectively, for 2018. The decrease in revenue for the Nucynta
Products was primarily related to lower sales volume, partially offset by an
increase in price.



Cost of product revenues was $193.7 million for 2019, compared to $165.7 million
for 2018. The $28.0 million increase was primarily related to the recognition of
royalty expense for the Nucynta Products, as royalty expense in 2019 was
recognized as incurred under the terms of the Nucynta Commercialization
Agreement as amended in November 2018, while the expense for 2018 was recognized
on a straight-line basis through the amortization of the Nucynta Intangible
Asset.



Research and development expenses were $10.3 million for 2019, compared to
$8.7 million for 2018. The $1.6 million increase was primarily related to an
increase in salaries, wages and benefits, including stock-based compensation
expense.


Selling, general and administrative expenses were $116.4 million for 2019, compared to $126.8 million for 2018. The $10.4 million decrease was primarily related to:

a decrease in sales, marketing and consulting costs of $8.1 million, primarily

? due to higher one-time costs incurred in 2018 to commercialize the Nucynta

Products;

? a decrease in salaries, wages and benefits of $3.3 million, primarily due to

lower incentive compensation expense and lower average employee headcount;




 ? a decrease in fees and permits, including post-marketing requirements, of $1.3
   million; offset by


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an increase in rent expense of $1.3 million, primarily related to us taking

? possession of our new corporate headquarters in mid-2018 and entering into

vehicle leases for our field-based employees starting in 2019; and

? an increase in other fees of $1.3 million, primarily due to certain states


   recently enacting excise taxes on the sale of opioids.




Interest expense was $909,000 for 2019, compared to $20.1 million for 2018. The
decrease was primarily due to $19.3 million of interest expense recognized in
2018 associated with the minimum royalty payments related to the Nucynta
Commercialization Agreement. In November 2018, the minimum royalty payments were
eliminated upon the execution of the Third Amendment to the Nucynta
Commercialization Agreement.



Interest income was $1.9 million for 2019, compared to $1.7 million for 2018.
The $248,000 increase was primarily due to higher interest rates earned on

money
market funds.


Comparison of the Years Ended December 31, 2018 and 2017



Product revenues, net were $280.4 million for 2018, compared to $28.5 million
for the year ended December 2017 ("2017"). The $251.9 million increase was
primarily related to sales of the Nucynta Products pursuant to the Nucynta
Commercialization Agreement consummated in January 2018. For 2018, the Nucynta
Products product revenues, net were $211.0 million. In addition, Xtampza ER
product revenues, net were $69.4 million for 2018, which represents a $40.9
million increase compared 2017. The increase in Xtampza ER product revenues, net
was primarily due to an increase in sales volume due to increasing demand.



Cost of product revenues was $165.7 million for 2018, compared to $2.6 million
for 2017. The $163.1 million increase was primarily related to $109.8 million of
amortization expenses associated with the intangible asset related to the
Nucynta Commercialization Agreement. The remaining increase was primarily
related to volume of product sales in 2018.



Research and development expenses were $8.7 million for 2018, compared to
$8.6 million for 2017. The $89,000 increase was primarily related to an increase
in salaries, wages and benefits of $1.0 million, primarily due to increases in
employee headcount and stock-based compensation expense. This was partially
offset by a $670,000 decrease in development manufacturing expenses following
the termination of the Onsolis License and Development Agreement in 2017.



Selling, general and administrative expenses were $126.8 million for 2018, compared to $92.8 million for 2017. The $34.0 million increase was primarily related to:

an increase in salaries, wages and benefits of $14.0 million, primarily due to

? increases in employee headcount, including an increase in stock-based

compensation expense of $5.3 million;

? an increase in sales and marketing costs of $10.8 million, primarily related to

the Nucynta Products and continued support of Xtampza ER;

? an increase in PDUFA related expenses of $2.7 million, primarily due to the

acquisition of the Nucynta Products;

? an increase in audit, legal, and other professional fees of $3.2 million;

? an increase in regulatory costs, including consulting and subscriptions, of

$2.1 million, primarily due to the acquisition of the Nucynta Products;

? an increase in consulting fees of $1.6 million;

? an increase in insurance expense of $1.7 million, primarily due to an increase

in product liability insurance; offset by

? a decrease of $1.8 million due to the impairment charge relating to the

termination of the Onsolis License and Development Agreement with BDSI in 2017.

Interest expense was $20.1 million for 2018. This includes $19.3 million of non-cash interest expense associated with the minimum royalty payments related to the Nucynta Commercialization Agreement, which was entered into during 2018, and interest expense on our term loan of $849,000.





Interest income was $1.7 million for 2018, compared to $582,000 for 2017. The
$1.1 million increase was primarily due to higher interest rates on money market
funds.



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Liquidity and Capital Resources

Sources of liquidity



We have incurred net losses and negative cash flows from operations since
inception. Historically, we have funded our operations primarily through the
private placements of our preferred stock and convertible notes, public
offerings of common stock, and commercial bank debt. As of December 31, 2019, we
had $170.0 million in cash and cash equivalents.

Although it is difficult to predict future liquidity requirements, we believe
that our cash and cash equivalents as of December 31, 2019 together with
expected cash inflows from the commercialization of our products, will enable us
to fund our operating expenses, debt service and capital expenditure
requirements under our current business plan for the foreseeable future.

Equity Financing


In March 2017, we entered into a Controlled Equity Offering Sales Agreement (the
"ATM Sales Agreement") with Cantor Fitzgerald & Co., as sales agent, pursuant to
which we may issue and sell, from time to time, shares of our common stock
having an aggregate offering price of up to $60.0 million. During the year ended
December 31, 2017, we sold an aggregate of 3,126,998 shares of common stock
under the ATM Sales Agreement at an average gross sales price of $11.36 per
share, generating net proceeds of $34.3 million after deduction of underwriting
discounts and commissions and expenses payable by us. No shares were sold under
the ATM Sales Agreement during the years ended December 31, 2019 or 2018. The
ATM Sales Agreement expired in October 2019.

Silicon Valley Bank Term Loan Facility





From August 2012 until February 2020, we maintained a term loan facility with
SVB, which was amended in connection with, and as a condition to, consummation
of the transactions contemplated by the Nucynta Commercialization Agreement.
Under the amended term loan ("Consent and Amendment"), we had a term loan
facility in an amount of $11.5 million, which replaced our previously existing
term loan facility. The proceeds of the Consent and Amendment were used to
finance certain payment obligations under the Nucynta Commercialization
Agreement and to repay the balance of the previously existing term loan. The
Consent and Amendment also provided SVB's consent with respect to the Nucynta
Commercialization Agreement.



The Consent and Amendment bore interest at a rate per annum of 0.75% above the
prime rate (as defined in the agreement governing the Consent and Amendment). We
were eligible to repay the Consent and Amendment in equal consecutive monthly
installments of principal plus monthly payments of accrued interest, commencing
in January 2020. All outstanding principal and accrued and unpaid interest under
the Consent and Amendment, and all other outstanding obligations with respect to
the Consent and Amendment, were due and payable in full in December 2022. We
were eligible to prepay the Consent and Amendment, in full but not in part, with
a prepayment fee of (i) 3.0% of the outstanding principal balance prior to
January 2019, (ii) 2.0% of the outstanding principal balance following January
2019 and prior to January 2020 and (iii) 1.0% of the outstanding principal
balance following January 2020, plus, in each case, a final payment fee of
$719,000.



In November 2018, we entered into an amended and restated Loan and Security
Agreement with SVB ("Amended Term Loan") that superseded our original loan
agreement and subsequent amendments with SVB. The Amended Term Loan updated the
loan documentation between us and SVB, and modified the minimum liquidity ratio
to be at least 1.5 to 1.0, along with other non-material changes. The Amended
Term Loan did not modify our borrowings, interest rates, or repayment terms. Any
amounts outstanding during the continuance of any event of default under the
Amended Term Loan will bear additional interest at the per annum rate of 5.0%.



In January 2020, and in anticipation of consummation of the Nucynta Acquisition
and related financing activities, we repaid all of our outstanding indebtedness
under the Amended Term Loan.



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Financing Relating to the Nucynta Acquisition

2020 Term Loan



On February 6, 2020, in connection with the execution of the Nucynta Purchase
Agreement, we, together with our subsidiary, Collegium Securities Corporation,
entered into a Loan Agreement with BioPharma Credit PLC, as collateral agent and
lender; and BioPharma Credit Investments V (Master) LP, as lender (the "2020
Loan Agreement"). The 2020 Loan Agreement provides for a $200.0 million secured
term loan (the "2020 Term Loan"), the proceeds of which were used to finance a
portion of the purchase price paid pursuant to the Nucynta Purchase Agreement.

The 2020 Term Loan will mature on the 48-month anniversary of the closing of the
Nucynta Acquisition, and is guaranteed by our material domestic subsidiaries and
is also secured by substantially all of our material domestic assets. The 2020
Term Loan will bear interest at a rate based upon LIBOR (subject to a LIBOR
floor of 2.0%), plus a margin of 7.5% per annum. We are required to repay the
2020 Term Loan by making equal quarterly payments.

The 2020 Loan Agreement contains certain covenants and obligations of the
parties, including, without limitation, covenants that require us to maintain
$200.0 million in annual net sales and covenants that limit our ability to incur
additional indebtedness or liens, make acquisitions or other investments or
dispose of assets outside the ordinary course of business. Failure to comply
with these covenants would constitute an event of default under the 2020 Loan
Agreement, notwithstanding our ability to meet its debt service obligations. The
2020 Loan Agreement also includes various customary remedies for the lenders
following an event of default, including the acceleration of repayment of
outstanding amounts under the 2020 Loan Agreement and execution upon the
collateral securing obligations under the 2020 Loan Agreement.

2026 Convertible Notes



On February 13, 2020, we issued 2.625% convertible senior notes due 2026 (the
"convertible notes"), in the aggregate principal amount of $143.8 million, in a
public offering registered under the Securities Act of 1933, as amended. The
convertible notes are senior, unsecured obligations and will accrue interest at
a rate of 2.625% per annum, payable semi-annually in arrears on February 15 and
August 15 of each year, beginning on August 15, 2020. The notes will mature on
February 15, 2026, unless earlier repurchased, redeemed or converted. Before
August 15, 2025, noteholders will have the right to convert their notes only
upon the occurrence of certain events. From and after August 15, 2025,
noteholders may convert their notes at any time at their election until the
close of business on the scheduled trading day immediately before the maturity
date. We will settle conversions by paying or delivering, as applicable, cash,
shares of our common stock or a combination of cash and shares of our common
stock, at our election. The initial conversion rate is 34.2618 shares of common
stock per $1,000 principal amount of notes, which represents an initial
conversion price of approximately $29.19 per share of common stock. The initial
conversion price represents a premium of approximately 35% over the last
reported sale of $21.62 per share of our common stock on February 10, 2020. The
conversion rate and conversion price will be subject to adjustment upon the
occurrence of certain events.





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Cash flows


                                                    Years ended December 31,
                                               2019           2018           2017
Net cash provided by (used in) operating
activities                                  $    27,783    $   169,390    $

(67,018)


Net cash used in investing activities           (6,438)       (24,354)     

(990)


Net cash provided by (used in) financing
activities                                        2,041      (117,197)     

33,480


Net increase in cash, cash equivalents and
restricted cash                             $    23,386    $    27,839    $  (34,528)




Operating activities. Cash provided by operating activities was $27.8 million in
2019, compared to cash provided by operating activities of $169.4 million in
2018. The $141.6 million decrease was primarily due to lower non-cash
adjustments related to the Nucynta Commercialization Agreement, as in 2018 we
were required to make guaranteed minimum royalty payments which were classified
as outflows from financing activities, while in 2019 royalty payments were
conditional on net sales and therefore classified as outflows from operating
activities. Further, there was lower amortization from the Nucynta Intangible
Asset in 2019 compared to 2018 as a result of the Third Amendment to the Nucynta
Commercialization Agreement and non-cash interest was reduced to zero. In
addition, cash provided by operating activities decreased due to changes in the
working capital accounts, partially offset by a benefit from the change in net
loss.

Cash provided by operating activities was $169.4 million in 2018, compared to
cash used by operating activities of $67.0 million in 2017. The $236.4 million
increase in cash provided by operating activities was primarily due to the
non-cash adjustments related to the Nucynta Commercialization Agreement. While
payments made for guaranteed minimum royalties are classified as financing
activities, the amortization from the Nucynta Intangible Asset of $109.8 million
and the non-cash interest expense related to the guaranteed minimum royalties of
$19.3 million are classified as adjustments to cash provided by operating
activities. In addition, cash provided by operating activities increased due to
a benefit from changes in the working capital accounts and due to a benefit from
the change in net loss. The benefit from the change in the working capital
accounts was primarily driven by a benefit from accrued rebates, returns and
discounts of $106.6 million, partially offset by the change in accounts
receivable $68.2 million. These changes are directly related to the significant
increase in product revenues in 2018, as the provisions for rebates, returns and
discounts are recognized in the same period in which product is delivered to
wholesalers, while payment for rebates, returns and discounts is generally based
on prescriptions and actual returned product.

Investing activities. Cash used in investing activities was $6.4 million in 2019
and $24.4 million in 2018. The $18.0 million decrease in cash used in investing
activities was primarily related to the Nucynta Commercialization Agreement, as
in 2018 we made a one-time upfront payment of $18.9 million to Assertio to
consummate the Nucynta Commercialization Agreement. This decrease was offset by
an increase of $961,000 paid for purchases of property, plant, and equipment
primarily for the dedicated production suite at our contract manufacturing
organization in 2019.

Cash used in investing activities was $24.4 million in 2018 and $1.0 million in the year ended 2017. The increase in cash used in investing activities was primarily due to a payment of $18.9 million to Assertio upon closing of the Nucynta Commercialization Agreement and $5.5 million paid for purchases of property, plant, and equipment for our corporate headquarters and dedicated production suite at our contract manufacturing organization.



Financing activities. Cash provided by financing activities was $2.0 million in
2019, compared to cash used in financing activities of $117.2 million in 2018.
The $119.2 million increase in cash provided by financing activities was
primarily related to the Nucynta Commercialization Agreement. In 2018 we were
required to make guaranteed minimum royalty payments which were classified as
outflows from financing activities, while in 2019, royalty payments were
conditional on net sales and therefore classified as outflows from operating
activities. The guaranteed minimum royalty payments paid in 2018 were partially
offset by term loan proceeds of $10.0 million. The remaining change is primarily
related to changes in proceeds from the issuance of shares under our employee
stock purchase plan and proceeds from exercises of stock options, offset by
payments made for employee restricted stock tax withholdings.

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Cash used in financing activities was $117.2 million in 2018, compared to cash
provided by financing activities of $33.5 million in 2017. The increase in cash
used by financing activities was primarily due to an increase in cash used in
the repayment of minimum royalty payments associated with the Nucynta
Commercialization Agreement for the Nucynta Products of $132.0 million, offset
by proceeds received from our term loan of $10.0 million, and proceeds received
from the exercise of stock options of $4.3 million. The remaining change is
primarily due to higher payments made for employee restricted stock tax
withholdings.

Funding requirements


We believe that our cash and cash equivalents at December 31, 2019 together with
expected cash inflows from the commercialization of our products, will enable us
to fund our operating expenses, debt service and capital expenditure
requirements under our current business plan for the foreseeable future.
However, we are subject to all the risks common to the commercialization and
development of new pharmaceutical products, and we may encounter unforeseen
expenses, difficulties, complications, delays and other unknown factors that may
adversely affect our business.



Certain economic or strategic considerations may cause us to seek additional
cash through private or public debt or equity offerings. Such funds may not be
available when needed, or, we may not be able to obtain funding on favorable
terms, or at all. If we are unable to raise additional capital in sufficient
amounts or on terms acceptable to us, we may have to significantly delay, scale
back or discontinue the development or commercialization of one or more of our
products. If we raise additional funds through the issuance of additional debt
or equity securities, it could result in dilution to our existing shareholders,
increased fixed payment obligations and the existence of securities with rights
that may be senior to those of our common stock. If we incur indebtedness, we
could become subject to covenants that would restrict our operations and
potentially impair our competitiveness, such as limitations on our ability to
incur additional debt, limitations on our ability to acquire, sell or license
intellectual property rights and other operating restrictions that could
adversely impact our ability to conduct our business. Any of these events could
significantly harm our business, financial condition and prospects.



Our forecast that our financial resources will be adequate to support our
operations is a forward-looking statement and involves risks and uncertainties,
and actual results could vary as a result of a number of factors. We have based
this estimate on assumptions that may prove to be wrong, and we could utilize
our available capital resources sooner than we currently expect. The amount and
timing of future funding requirements, both near- and long-term, will depend on
many factors, including:


? the generation of reasonable levels of revenue from products sales;

? the cost of growing and maintaining sales, marketing and distribution

capabilities for our products;

the cost of patent infringement litigation, including our litigation with each

? of Purdue and Teva, relating to Xtampza ER and the Nucynta Products, which may

be expensive to defend;

? the cost of litigation related to opioid marketing and distribution practices;

? the timing and costs associated with manufacturing our products, for commercial

sale and clinical trials

? our need to expand our regulatory and compliance functions; and

? the effect of competing technological and market developments.






If we cannot capitalize on our business opportunities because we lack sufficient
capital, our business, financial condition and results of operations could be
materially adversely affected.



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Contractual Obligations

The following table summarizes our contractual obligations as of December 31, 2019 that will affect our future liquidity:




                                                     Less than                                        More than
                                         Total        1 year        1 - 3 years      3 - 5 years       5 years
                                                                     (in thousands)
Operating lease obligations (1)         $ 13,498    $     1,252    $       2,618    $       2,770    $     6,858
Debt                                      11,500          3,833            7,667                -              -
Purchase obligations (2)                   9,000          3,000            6,000                -              -
Total                                   $ 33,998    $     8,085    $      16,285    $       2,770    $     6,858

Operating lease obligations represent future minimum lease payments under our (1) non-cancelable operating lease in effect as of December 31, 2019, reflecting

remaining lease payments for space at our current headquarters in Stoughton,

Massachusetts.



Purchase obligations represent the minimum purchase obligations of up to $3.0 (2) million per year with our contract manufacturer as of December 31, 2019. The

disclosed amounts represent the maximum amount that could be payable under


    the minimum purchase obligations.




We also have employment agreements with executive officers that would require us
to make severance payments to them if we terminate their employment without
cause or the executives resign for good cause. These payments are contingent
upon the occurrence of various future events, and the amounts payable under
these provisions depend upon the level of compensation at the time of
termination of employment, are therefore not calculable at this time, and, as a
result, we have not included any such amounts in the table above.



Nucynta Commercialization Agreement





As more fully described in Note 4, License Agreements, and Note 9, Intangible
Assets, to the consolidated financial statements in January 2018, we closed the
Nucynta Commercialization Agreement with Assertio, which initially required us
to make annual minimum royalty payments of $537.0 million, which consisted of
scheduled payments of $132.0 million in 2018, $135.0 million in 2019, $135.0
million in 2020, and $135.0 million in 2021. The guaranteed minimum royalty
payments were a contractual obligation incurred at the closing of the
transaction and were included as a component of the accumulated cost of the
acquired intangible asset. As a result, we included the present value of the
guaranteed minimum royalty payments as a component of the Nucynta Intangible
Asset recognized upon closing and recorded a corresponding asset acquisition
obligation of $482.3 million.



In November 2018, we entered into an amendment to the Commercialization
Agreement to adjust the royalty structure, as well as other changes more fully
described in Note 4, License Agreements, and Note 9, Intangible Assets, to the
consolidated financial statements. The amendment eliminated the guaranteed
minimum royalty payments in years 2019, 2020, and 2021, and instead added a
conditional obligation to make royalty payments based on net sales for years
2019, 2020, and 2021. As such, we remeasured the guaranteed minimum royalty
obligation as of the amendment date. This remeasurement resulted in a $369.6
million decrease to the asset acquisition obligation and a corresponding
reduction to the Nucynta Intangible Asset.



In the year ended December 31, 2018, we paid the $132.0 million of guaranteed
minimum royalty payments owed for 2018 and classified such payments as financing
outflows in our statement of cash flows. Cost of product revenues recognized in
the year ended December 31, 2018 included $109.8 million of amortization expense
related to the Nucynta Intangible Asset. In addition, in the year ended December
31, 2018, we recognized $19.3 million of non-cash interest expense related to
the guaranteed minimum royalty payments.



In the year ended December 31, 2019, royalties paid under the Commercialization
Agreement were classified as operating outflows in our statement of cash flows
as such payments were conditional upon net sales. We also recognized such
royalties as a component of costs of product revenues in our statement of
operations, in addition to $14.8 million of ongoing amortization expense related
to the remeasured Nucynta Intangible Asset. We expect amortization expense for
the Nucynta Intangible Asset for the years ended December 31, 2020, and 2021 to
be $14.8 million, and $14.8 million, respectively.



On February 13, 2020, we closed the Nucynta Acquisition in accordance with the
Nucynta Purchase Agreement. Upon the closing of the transactions contemplated by
the Nucynta Purchase Agreement, the Commercialization Agreement terminated with
the exception of certain provisions thereof which survive pursuant to the terms
of the Nucynta Purchase Agreement, and our payment obligations to Assertio

thereunder ceased.

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Nucynta Purchase Agreement



On February 6, 2020, we entered into the Nucynta Purchase Agreement with
Assertio, pursuant to which we agreed to acquire from Assertio certain assets
related to the Nucynta franchise for an aggregate purchase price of $375.0
million (the "Purchase Price"), subject to certain closing and post-closing
adjustments as described in the Nucynta Purchase Agreement. In connection with
the Nucynta Acquisition, we also agreed to assume certain contracts, liabilities
and obligations related to the Nucynta Products.



From and after the closing of the Nucynta Purchase Agreement, we will pay
royalties directly to Grünenthal GmbH at a rate of 14% of net sales of the
Products; such royalty payment obligation will replace our previous obligation
to pay a royalty rate of 14% of net sales of the Nucynta Products to Grünenthal,
subject to a guaranteed royalty of $34.0 million when net sales are between
$180.0 million and $243.0 million.



The Nucynta Purchase Agreement contains customary representations, warranties
and covenants, and indemnification provisions subject to specified limitations.
We closed the transactions contemplated by the Nucynta Purchase Agreement on
February 13, 2020.



Non-GAAP Financial Measures



To supplement our financial results presented on a GAAP basis, we have included
information about non-GAAP adjusted income/loss. We internally use this non-GAAP
financial measure to understand, manage and evaluate the Company as we believe
it represents the performance of our core business. Because this non-GAAP
financial measure is an important internal measure for the Company, we believe
that the presentation of the non-GAAP financial measure provides analysts,
investors and lenders insight into management's view and assessment of the
Company's ongoing operating performance. In addition, we believe that the
presentation of this non-GAAP financial measure, when viewed with our results
under GAAP and the accompanying reconciliation, provides supplementary
information that may be useful to analysts, investors, lenders, and other third
parties in assessing the Company's performance and results from period to
period. We report this non-GAAP financial measure in order to portray the
results of our major operations - commercializing innovative, differentiated
products for people suffering from pain - prior to considering certain income
statement elements. This non-GAAP financial measure should be considered in
addition to, and not a substitute for, or superior to, net income or other
financial measures calculated in accordance with GAAP. The Non-GAAP financial
measure is not based on any standardized methodology prescribed by GAAP and
represents GAAP net income/loss adjusted to exclude stock-based compensation
expense, amortization expense for the Nucynta intangible asset, non-cash
interest expense recognized on the Nucynta minimum royalty payments, and minimum
royalty payments due and payable in connection with the Nucynta
Commercialization Agreement. Any non-GAAP financial measures used by us may be
calculated differently from, and therefore may not be comparable to, a non-GAAP
measure used by other companies.




                                     Three months ended
                                        December 31,            Years ended December 31,
                                     2019          2018           2019             2018
GAAP net (loss) income            $   (2,201)   $     9,086   $    (22,722)    $    (39,128)
Non-GAAP adjustments:

Stock-based compensation expense        3,966         3,598          16,528

13,778


Nucynta related amortization
expense (1)                             3,688        15,494          14,752

109,834


Nucynta non-cash interest expense
(2)                                         -         2,169               -

19,281


Nucynta minimum royalty payment
due (3)                                     -      (33,750)               -

(132,000)

Total non-GAAP adjustments $ 7,654 $ (12,489) $ 31,280

$      10,893
Non-GAAP adjusted income (loss)   $     5,453   $   (3,403)   $       8,558
$    (28,235)






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                                 First Quarter     Second Quarter     Third Quarter     Fourth Quarter
                                     2019               2019              2019               2019
GAAP net loss                   $       (9,700)   $        (4,712)   $       (6,109)   $        (2,201)
Non-GAAP adjustments:
Stock-based compensation                  4,263              4,162             4,137              3,966
expense
Nucynta related amortization              3,688              3,688             3,688              3,688
expense (1)

Total non-GAAP adjustments $ 7,951 $ 7,850 $

    7,825   $          7,654
Non-GAAP adjusted income (loss) $       (1,749)   $          3,138   $     

   1,716   $          5,453





                                                              First Quarter                Second Quarter                Third Quarter               

Fourth Quarter
                                                                  2018                          2018                         2018                          2018
GAAP net income (loss)                                   $               (18,652)     $                (13,060)     $               (16,502)     $                   9,086
Non-GAAP adjustments:

Stock-based compensation expense                                            2,728                         3,526                        3,926                         3,598
Nucynta related amortization expense (1)                                   29,526                        32,407                       32,407                        15,494
Nucynta non-cash interest expense (2)                                       5,528                         5,943                        5,641                         2,169
Nucynta minimum royalty payment due (3)                                  (30,750)                      (33,750)                     (33,750)                      (33,750)
     Total non-GAAP adjustments                          $                  7,032     $                   8,126     $                  8,224     $                (12,489)
Non-GAAP adjusted loss                                   $               (11,620)     $                 (4,934)     $                (8,278)     $                 (3,403)

(1) Represents amortization expense of the Nucynta Intangible Asset. (2) Represents non-cash interest expense associated with the minimum royalty payments of the Nucynta Commercialization Agreement. (3) Represents minimum royalty payment due and payable in connection with the Nucynta Commercialization Agreement.

Off-Balance Sheet Arrangements

We did not have any off-balance sheet arrangements during the periods presented, as defined under SEC rules.





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