Biggest changeThe following table summarizes the primary sources and uses of cash for the periods presented below: Year Ended December 31, 2022 2021 (in thousands) Net cash used in operating activities (174,827) (263,809) Net cash provided by (used in) investing activities 8,104 (50,484) Net cash provided by financing activities 32,606 268,223 Net decrease in cash, cash equivalents and restricted cash (134,117) (46,070) Operating Activities We have incurred and expect to continue to incur, significant costs related to the commercialization of NEXLETOL and NEXLIZET and related to ongoing research and development, regulatory and other clinical study costs associated with the development of bempedoic acid and the bempedoic acid / ezetimibe combination tablet. 80 Table of Contents Net cash used in operating activities totaled $174.8 million for the year ended December 31, 2022, consisting of net product sales of NEXLETOL and NEXLIZET fully offset by cash used to fund the commercialization activities of NEXLETOL and NEXLIZET and the research and development costs related to bempedoic acid and the bempedoic acid / ezetimibe combination tablet, adjusted for non-cash expenses such as stock-based compensation expense, interest expense related to our RIPA with Oberland and convertible notes, depreciation and amortization and changes in working capital.
Biggest changeThe following table summarizes the primary sources and uses of cash for the periods presented below: Year Ended December 31, 2023 2022 (in thousands) Net cash used in operating activities (135,487) (174,827) Net cash provided by investing activities 42,500 8,104 Net cash provided by financing activities 50,460 32,606 Net decrease in cash, cash equivalents and restricted cash (42,527) (134,117) Operating Activities We have incurred and expect to continue to incur, significant costs related to the commercialization of NEXLETOL and NEXLIZET and related to ongoing research and development, regulatory and other clinical study costs associated with the development of bempedoic acid and the bempedoic acid / ezetimibe combination tablet.
Until such time, if ever, as we can generate U.S. substantial product revenues, we expect to finance our cash needs through a combination of collaborations with third parties, strategic alliances, licensing arrangements, permitted debt financings, permitted royalty-based financings and equity offerings or other sources.
Until such time, if ever, as we can generate substantial U.S. product revenues, we expect to finance our cash needs through a combination of collaborations with third parties, strategic alliances, licensing arrangements, permitted debt financings, permitted royalty-based financings and equity offerings or other sources.
NEXLIZET contains bempedoic acid and ezetimibe and lowers elevated LDL-C through complementary mechanisms of action by inhibiting cholesterol synthesis in the liver and absorption in the intestine. Phase 3 data demonstrated NEXLIZET lowered LDL-C by a mean of 38 percent compared to placebo when added on to maximally tolerated statins.
NEXLIZET contains bempedoic acid and ezetimibe and lowers elevated LDL-C through complementary mechanisms of action by inhibiting cholesterol synthesis in the liver and absorption in the intestine. Phase 3 data demonstrated NEXLIZET lowered LDL-C by a mean of 38% compared to placebo when added on to maximally tolerated statins.
NILEMDO was approved by the EC in March 2020 for use in adults with primary hypercholesterolemia (heterozygous familial and non-familial) or mixed dyslipidemia, as an adjunct to diet in combination with a statin or statin with other lipid-lowering therapies in adult patients unable to reach LDL-C goals with the maximum tolerated dose of a statin, or alone or in combination with other lipid-lowering therapies as an adjunct to diet in adult patients who are statin-intolerant, or for whom a statin is contraindicated.
NILEMDO was approved by the European Commission, or EC, in March 2020 for use in adults with primary hypercholesterolemia (heterozygous familial and non-familial) or mixed dyslipidemia, as an adjunct to diet in combination with a statin or statin with other lipid-lowering therapies in adult patients unable to reach LDL-C goals with the maximum tolerated dose of a statin, or alone or in combination with other lipid-lowering therapies as an adjunct to diet in adult patients who are statin-intolerant, or for whom a statin is contraindicated.
We believe the following accounting policies to be most critical to understanding our results and financial operations. 77 Table of Contents Product Sales, Net We sell NEXLETOL and NEXLIZET to wholesalers in the U.S and, in accordance with ASC 606, recognize revenue at the point in time when the customer is deemed to have obtained control of the product, which generally occurs upon receipt by the customer.
We believe the following accounting policies to be most critical to understanding our results and financial operations. 79 Table of Contents Product Sales, Net We sell NEXLETOL and NEXLIZET to wholesalers in the U.S. and, in accordance with ASC 606, recognize revenue at the point in time when the customer is deemed to have obtained control of the product, which generally occurs upon receipt by the customer.
Overview Corporate Overview We are a pharmaceutical company singularly focused on developing and commercializing accessible, oral, once-daily, non-statin medicines for patients struggling with elevated low-density lipoprotein cholesterol, or LDL-C. Through commercial execution and completion of our CLEAR Outcomes trial as well as advancing our pre-clinical pipeline, we continue to evolve into a differentiated, global cardiometabolic biotech.
Overview Corporate Overview We are a pharmaceutical company currently focused on developing and commercializing accessible, oral, once-daily, non-statin medicines for patients struggling with elevated low-density lipoprotein cholesterol, or LDL-C. Through commercial execution and completion of our CLEAR Outcomes trial as well as advancing our pre-clinical pipeline, we continue to evolve into a differentiated, global biotech.
On April 15, 2022, we filed a new registration statement on Form S-3, which registers the offering, issuance and sale of up to $239 million of common stock from time to time in “at-the-market” offerings, or the New ATM Program.
On April 15, 2022, we filed a new registration statement on Form S-3, which registered the offering, issuance and sale of up to $239 million of common stock from time to time in “at-the-market” offerings, or the 2022 ATM Program.
Under the terms of the agreement, every $100 million of net sales generated, less than or equal to $250 million in an annual aggregate year, would result in a repayment obligation of approximately $10.0 million or 10.0% at the stated repayment rate in the first year.
Under the terms of the RIPA, every $100 million of net sales generated, less than or equal to $250 million in an annual aggregate year, would result in a repayment obligation of approximately $10.0 million or 10.0% at the stated repayment rate in the first year.
Our team of lipid experts are dedicated to lowering bad cholesterol through the discovery, development and commercialization of innovative medicines and their combinations with established medicines. Our first two products were approved by the U.S. Food and Drug Administration, or FDA, European Medicines Agency, or EMA and Swiss Agency for Therapeutic Products, or Swissmedic, in 2020.
Our team of experts are dedicated to lowering LDL-cholesterol through the discovery, development and commercialization of innovative medicines and their combinations with established medicines. Our first two products were approved by the U.S. Food and Drug Administration, or FDA, European Medicines Agency, or EMA, and Swiss Agency for Therapeutic Products. or Swissmedic, in 2020.
For example, if a regulatory authority were to require us to conduct clinical studies beyond those that we currently anticipate will be required for the completion of clinical development or post-commercialization clinical studies of bempedoic acid or the bempedoic acid / ezetimibe combination tablet, we could be required to expend significant additional financial resources and time on the completion of clinical development or post-commercialization clinical studies of bempedoic acid and the bempedoic acid / ezetimibe combination tablet.
For example, if a regulatory authority were to require 78 Table of Contents us to conduct clinical studies beyond those that we currently anticipate will be required for the completion of clinical development or post-commercialization clinical studies of bempedoic acid or the bempedoic acid / ezetimibe combination tablet, we could be required to expend significant additional financial resources and time on the completion of clinical development or post-commercialization clinical studies of bempedoic acid and the bempedoic acid / ezetimibe combination tablet.
On February 21, 2023, we terminated the open market sales agreement with Jefferies LLC and entered into a Controlled Equity Offering Sales Agreement with Cantor Fitzgerald & Co., as sales agent, to provide for the issuance and sale by the Company of up to $70 million of common stock from time to time in “at-the-market” offerings, or the 2023 ATM Program, pursuant to our existing Form S-3 and the prospectus supplement to be filed on February 21, 2023.
On February 21, 2023, we terminated the Open Market Sales Agreement with Jefferies LLC and entered into a Controlled Equity Offering Sales Agreement with Cantor Fitzgerald & Co., as sales agent, to provide for the issuance and sale by us of up to $70 million of shares of our common stock from time to time in “at-the-market” offerings, or the 2023 ATM Program, pursuant to our existing Form S-3 and the prospectus supplement filed on February 21, 2023.
On February 21, 2023, we terminated the open market sales agreement with Jefferies LLC and entered into a Controlled Equity Offering Sales Agreement with Cantor Fitzgerald & Co., as sales agent, to provide for the issuance and sale by the Company of up to $70 million of common stock from time to time in “at-the-market” offerings, or the 2023 ATM Program, pursuant to our existing Form S-3 and the prospectus supplement to be filed on February 21, 2023.
On February 21, 2023, we terminated the Open Market Sales Agreement with Jefferies LLC and entered into a Controlled Equity Offering Sales Agreement with Cantor Fitzgerald & Co., as sales agent, to provide for the issuance and sale by us of up to $70 million of shares of our common stock from time to time in “at-the-market” offerings, or the 2023 ATM Program, pursuant to our existing Form S-3 and the prospectus supplement filed on February 21, 2023.
If we raise additional funds through collaborations, strategic alliances or licensing arrangements with pharmaceutical partners or royalty-based financing arrangements, such as the collaboration arrangement with DSE, Otsuka and DS, and the RIPA with Oberland, we may have to relinquish valuable rights to our technologies, future revenue streams or grant licenses on terms that may not be favorable to us.
If we raise additional funds through collaborations, strategic alliances or licensing arrangements with pharmaceutical partners or royalty-based financing arrangements, such as the collaboration arrangement with DSE, Otsuka and DS, and the 85 Table of Contents RIPA with Oberland, we may have to relinquish valuable rights to our technologies, future revenue streams or grant licenses on terms that may not be favorable to us.
The duration, costs and timing associated with the development of bempedoic acid and the bempedoic acid / ezetimibe combination tablet will depend on a variety of factors, 76 Table of Contents including uncertainties associated with the results of our clinical studies and our ability to obtain regulatory approval outside the U.S. and Europe.
The duration, costs and timing associated with the development of bempedoic acid and the bempedoic acid / ezetimibe combination tablet will depend on a variety of factors, including uncertainties associated with the results of our clinical studies and our ability to obtain regulatory approval outside the U.S. and Europe.
The trial was designed to evaluate whether treatment with bempedoic acid reduced the risk of cardiovascular events in patients who are statin averse and who have CVD or are at high risk for CVD. We initiated the CLEAR Outcomes CVOT in December 2016 and fully enrolled the study with over 14,000 patients in August 2019.
The trial was designed to evaluate whether treatment with bempedoic acid reduced the risk of cardiovascular events in adult patients who are statin averse and who have cardiovascular disease, or CVD, or are at high risk for CVD. We initiated the CLEAR Outcomes CVOT in December 2016 and fully enrolled the study with nearly 14,000 patients in August 2019.
Investing Activities Net cash provided by investing activities of $8.1 million for the year ended December 31, 2022 consisted primarily of proceeds from the sales of highly liquid, interest bearing investment grade and government securities.
Investing Activities Net cash provided by investing activities of $42.5 million for the year ended December 31, 2023 and $8.1 million for the year ended December 31, 2022 consisted primarily of net proceeds from the sales of highly liquid, interest bearing investment grade and government securities.
The Company imputes interest expense associated with this liability using the effective interest rate method and is presented as interest expense on the statements of operations. The effective interest rate is calculated based on the rate that would enable the debt to be repaid in full over the anticipated life of the arrangement.
We impute interest expense associated with this liability using the effective interest rate method and is presented as interest expense on the statements of operations. The effective interest rate is calculated based on the rate that would enable the debt to be repaid in full over the anticipated life of the arrangement.
Financing Activities Net cash provided by financing activities of $32.6 million for the year ended December 31, 2022, related primarily to proceeds from our ATM program, partially offset by a one-time partial call payment with regards to the Revenue Interests (as defined in the RIPA) in an amount equal to $50.0 million from the restricted cash account under the waiver and amendment of our RIPA with Oberland, and payments on our revenue interest liability.
Net cash provided by financing activities of $32.6 million for the year ended December 31, 2022, related primarily proceeds from our 2022 ATM Program, partially offset by a one-time partial call payment with regards to the Revenue Interests (as defined in the RIPA) in an amount equal to $50.0 million from the restricted cash account under the waiver and amendment of our RIPA with Oberland, and payments on our revenue interest liability. 83 Table of Contents In 2019, we entered into a RIPA with Oberland.
Collaboration revenue in the year ended December 31, 2022, was primarily related to sales of bulk tablets under supply agreements and royalty revenue received from collaboration partners.
Collaboration revenue in the years ended December 31, 2023 and December 31, 2022, was primarily related to sales of bulk tablets under supply agreements and royalty revenue received from collaboration partners.
We recorded the proceeds from the RIPA as a liability on the balance sheets and are accounting for the RIPA under the effective-interest method over the estimated life of the RIPA. Future payments under the RIPA may range from $24.8 million in the next year to a maximum total payment of $363.3 million beyond one year.
We recorded the proceeds from the RIPA as a liability on the balance sheets and are accounting for the RIPA under the effective-interest method over the estimated life of the RIPA. Future payments under the RIPA may range from $34.8 million in the next year to a maximum total payment of $337.8 million beyond one year.
If actual results vary from estimates, we adjust these estimates, which would affect net product revenue and earnings in the period such variances become known. A 3% change to our year ended December 31, 2022 net product sales would have an impact of approximately $1.7 million.
If actual results vary from estimates, we adjust these estimates, which would affect net product revenue and earnings in the period such variances become known. A 3% change to our year ended December 31, 2023 net product sales would have an impact of approximately $2.4 million.
We estimate a range of possible outcomes which are probability-weighted for relevant factors such as contracts with customers, healthcare providers, payors and government agencies, statutorily-defined discounts applicable to government-funded programs, forecasted payor mix, customer buying and payment patterns, and other relevant factors.
Our estimates give consideration for a range of possible outcomes which are probability-weighted for relevant factors such as contracts with customers, healthcare providers, payors and government agencies, statutorily-defined discounts applicable to government-funded programs, forecasted payor mix, customer buying and payment patterns, and other relevant factors.
Our future funding requirements will depend on many factors, including, but not limited to: 82 Table of Contents • our ability to successfully develop and commercialize NEXLETOL and NEXLIZET or other product candidates; • the costs, timing and outcomes of our ongoing clinical studies of bempedoic acid and the bempedoic acid / ezetimibe combination tablet; • the time and cost necessary to obtain regulatory approvals for bempedoic acid and the bempedoic acid / ezetimibe combination tablet outside the U.S. and Europe; • our ability to establish any future collaboration or commercialization arrangements on favorable terms, if at all; • our ability to realize the intended benefits of our existing and future collaboration and partnerships, including receiving potential milestone payments from collaboration partners; • the costs of preparing, filing and prosecuting patent applications, maintaining and enforcing our intellectual property rights and defending intellectual property-related claims; and • the implementation of operational and financial information technology.
Our future funding requirements will depend on many factors, including, but not limited to: • our ability to successfully develop and commercialize NEXLETOL and NEXLIZET or other product candidates; • the service and payment of potential debt maturities; • the time and cost necessary to obtain regulatory approvals for bempedoic acid and the bempedoic acid / ezetimibe combination tablet outside the U.S. and Europe and regulatory approvals for cardiovascular risk reduction in the U.S. and Europe; • our ability to establish any future collaboration or commercialization arrangements on favorable terms, if at all; • our ability to realize the intended benefits of our existing and future collaboration and partnerships, including receiving potential milestone payments from collaboration partners; • the costs of preparing, filing and prosecuting patent applications, maintaining and enforcing our intellectual property rights and defending intellectual property-related claims; and • the implementation of operational and financial information technology.
Interest Expense Interest expense for the years ended December 31, 2022 and December 31, 2021 was related to our Revenue Interest Purchase Agreement, or RIPA, with Eiger III SA LLC, or Oberland, an affiliate of Oberland Capital and our Convertible Notes issued in November 2020.
Interest Expense Interest expense for the years ended December 31, 2023 and December 31, 2022 was related to our Revenue Interest Purchase Agreement, or RIPA, with Eiger III SA LLC, or Oberland, an affiliate of Oberland Capital, and our convertible notes.
NEXLIZET was approved by the FDA in February 2020 as an adjunct to diet and maximally tolerated statin therapy for the treatment of adults with HeFH or established ASCVD who require additional lowering of LDL-C. NILEMDO is a first-in-class ACL inhibitor that lowers LDL-C by reducing cholesterol biosynthesis and up-regulating the LDL receptors.
NEXLIZET was approved by the FDA in February 2020 and is currently indicated as an adjunct to diet and statin therapy for the treatment of primary hyperlipidemia in adults with HeFH or ASCVD who require additional lowering of LDL-C. NILEMDO is a first-in-class ACL inhibitor that lowers LDL-C and cardiovascular risk by reducing cholesterol biosynthesis and up-regulating the LDL receptors.
The Company evaluates the interest rate quarterly based on its current net sales forecasts utilizing the prospective method. A significant increase or decrease in net sales will materially impact the revenue interest liability, interest expense and the time period for repayment.
We evaluate the interest rate quarterly based on our current net sales forecasts utilizing the prospective method. A significant increase or decrease in net sales will materially impact the revenue interest liability, interest expense and the time period for repayment.
Completed Phase 3 studies conducted in more than 3,000 patients, with over 2,000 patients treated with NEXLETOL, demonstrated an average 18 percent placebo corrected LDL-C lowering when used in patients on moderate or high-intensity statins.
Completed Phase 3 studies whose primary endpoint was LDL-C lowering were conducted in more than 3,000 patients, with over 2,000 patients treated with NEXLETOL, and demonstrated an average 18% placebo corrected LDL-C lowering when used in patients on moderate or high-intensity statins.
We have incurred losses in each year since our inception. We have never been profitable and our net losses were $233.7 million and $269.1 million for the years ended December 31, 2022 and 2021, respectively.
We have incurred losses in each year since our inception. We have never been profitable and our net losses were $209.2 million and $233.7 million for the years ended December 31, 2023 and 2022, respectively.
During the year ended December 31, 2022, we issued 13,043,797 shares of common stock, resulting in net proceeds of approximately $90.8 million after deducting $3.1 million of underwriting discounts and commissions and other expenses, pursuant to the New ATM Program.
During the year ended December 31, 2022, we issued 13,043,797 shares of common stock, pursuant to the 2022 ATM Program for which Jefferies LLC served as sales agent, resulting in net proceeds of approximately $90.8 million after deducting $3.1 million of underwriting discounts and commissions and other expenses.
NEXLETOL was approved by the FDA in February 2020 as an adjunct to diet and maximally tolerated statin therapy for the treatment of adults with HeFH or established ASCVD who require additional lowering of LDL-C.
NEXLETOL was approved by the FDA in February 2020 and is currently indicated as an adjunct to diet and statin therapy for the treatment of primary hyperlipidemia in adults with HeFH or ASCVD who require additional lowering of LDL-C.
We estimate that current cash resources, proceeds to be received in the future for product sales and proceeds under the collaboration agreements with Daiichi Sankyo and Otsuka are sufficient to fund operations for the foreseeable future.
We estimate that current cash resources, including cash received in January 2024 in conjunction with Settlement Agreement with DSE and the January 2024 Offering, proceeds to be received in the future for product sales and proceeds under the collaboration agreements with Daiichi Sankyo and Otsuka are sufficient to fund operations for the foreseeable future.
Net cash used in operating activities totaled $263.8 million for the year ended December 31, 2021, consisting of net product sales of NEXLETOL and NEXLIZET and $30.0 million in upfront fees from our collaboration agreement with DS fully offset by cash used to fund the commercialization activities of NEXLETOL and NEXLIZET and the research and development costs related to bempedoic acid and the bempedoic acid / ezetimibe combination tablet, adjusted for non-cash expenses such as stock-based compensation expense, interest expense related to our RIPA with Oberland and convertible notes, depreciation and amortization and changes in working capital.
Net cash used in operating activities totaled $135.5 million for the year ended December 31, 2023 and $174.8 million for the year ended December 31, 2022, consisting of net product sales of NEXLETOL and NEXLIZET fully offset by cash used to fund the commercialization activities of NEXLETOL and NEXLIZET and the research and development costs related to bempedoic acid and the bempedoic acid / ezetimibe combination tablet, adjusted for non-cash expenses such as stock-based compensation expense, interest expense related to our RIPA with Oberland and the amortization of issuance costs on our convertible notes, depreciation and amortization and changes in working capital.
Since our inception, we have focused substantially all of our efforts and financial resources on developing and commercializing bempedoic acid and the bempedoic acid / ezetimibe tablet. In February 2020, the FDA approved NEXLETOL and NEXLIZET. NEXLETOL was commercially available in the U.S. on March 30, 2020 and NEXLIZET was commercially available in the U.S. on June 4, 2020.
Since our inception, we have focused substantially all of our efforts and financial resources on developing and commercializing bempedoic acid and the bempedoic acid / ezetimibe tablet. In February 2020, the FDA approved NEXLETOL and NEXLIZET.
While we began to generate revenue from the sales of our products in 2020, we have funded our operations to date primarily through proceeds from sales of preferred stock, convertible promissory notes and warrants, public offerings of common stock and warrants, the incurrence of indebtedness, through collaborations with third parties and revenue interest purchase agreements.
NEXLETOL was commercially available in the U.S. on March 30, 2020 and NEXLIZET was commercially available in the U.S. on June 4, 2020. 76 Table of Contents While we began to generate revenue from the sales of our products in 2020, we have funded our operations to date primarily through proceeds from sales of preferred stock, convertible promissory notes and warrants, public offerings of common stock and warrants, the incurrence of indebtedness, through collaborations with third parties and revenue interest purchase agreements.
The increase in interest expense for the year ended December 31, 2022 was primarily due to additional non-cash interest expense attributable to our RIPA with Oberland. Other income, net Other income, net for the year ended December 31, 2022, was $2.7 million compared to $4.0 million for the year ended December 31, 2021, a decrease of $1.3 million.
The increase in interest expense for the year ended December 31, 2023 was primarily due to additional interest expense attributable to our RIPA with Oberland. Other income, net Other income, net for the year ended December 31, 2023, was $5.3 million compared to $2.7 million for the year ended December 31, 2022, an increase of $2.6 million.
We expect to incur significant expenses and operating losses for the foreseeable future in connection with our ongoing activities, including, among others: • commercializing NEXLETOL and NEXLIZET in the U.S; and 73 Table of Contents • pursuing other research and development activities.
We expect to incur significant expenses and operating losses for the foreseeable future in connection with our ongoing activities, including, among others: • commercializing NEXLETOL and NEXLIZET in the U.S; and • pursuing other research and development activities. Accordingly, we may need additional financing to support our continuing operations and further the development and commercialization of our products.
Other Income Other income, net, for the year ended December 31, 2022 primarily relates to the sale of lease vehicles associated with the reduction in force, interest income and the accretion or amortization of premiums and discounts earned on our cash, cash equivalents and investment securities.
Other Income Other income, net, for the years ended December 31, 2023 and December 31, 2022 primarily relates to interest income and the accretion or amortization of premiums and discounts earned on our cash, cash equivalents and investment securities and also includes other income related to the sale of leased vehicles.
In the future, as net sales thresholds set forth in the agreement are met and the repayment percentage rate changes, the amount of the obligation and timing of payment is likely to change.
In the future, as net sales thresholds set forth in the agreement are met and the repayment percentage rate changes, the amount of the obligation and timing of payment is likely to change. In 2025, the percent of net revenue paid to Oberland could reset to a higher amount if certain revenue milestones are not met.
Accordingly, we may need additional financing to support our continuing operations and further the development and commercialization of our products. We may seek to fund our operations and further development activities through collaborations with third parties, strategic alliances, licensing arrangements, permitted debt financings, permitted royalty-based financings, permitted public or private equity offerings or through other sources.
We may seek to fund our operations and further development activities through collaborations with third parties, strategic alliances, licensing arrangements, permitted debt financings, permitted royalty-based financings, permitted public or private equity offerings or through other sources. Adequate additional financing may not be available to us on acceptable terms, or at all.
We will need to generate significant revenues to achieve profitability, and we may never do so. Product Overview NEXLETOL is a first-in-class ATP Citrate Lyase, or ACL, inhibitor that lowers LDL-C by reducing cholesterol biosynthesis and up-regulating the LDL receptors.
Product Overview NEXLETOL is a first-in-class ATP Citrate Lyase, or ACL, inhibitor that lowers LDL-C and cardiovascular risk by reducing cholesterol biosynthesis and up-regulating the LDL receptors.
We have based these estimates on assumptions that may prove to be wrong, and we may use our available capital resources sooner than we currently expect. We may look to secure additional cash resources should positive corporate events or milestones provide sufficient opportunities.
We have based these estimates on assumptions that may prove to be wrong, and we may use our available capital resources sooner than we currently expect.
During the year ended December 31, 2021, we issued 897,364 shares of common stock resulting in net proceeds of approximately $9.7 million after deducting underwriting discounts and commissions and other expenses, pursuant to the ATM Program.
During 2023, we issued 3,312,908 shares of common stock resulting in net proceeds of approximately $4.4 million after deducting $0.4 million of underwriting discounts and commissions and other expenses, pursuant to the 2023 ATM Program.
Refer to Note 10 to our audited financial statements appearing elsewhere in this Annual Report on Form 10-K for further information. On November 16, 2020, we issued $250.0 million aggregate principal amount of 4.00% convertible senior subordinated notes due 2025 to certain financial institutions as the initial purchasers of the convertible notes.
On November 16, 2020, we issued $250.0 million aggregate principal amount of 4.00% convertible senior subordinated notes due 2025 to certain financial institutions as the initial purchasers of the convertible notes.
Cost of goods sold Cost of goods sold for the year ended December 31, 2022, was $27.0 million compared to $14.2 million for the year ended December 31, 2021, an increase of $12.8 million. The increase is primarily related to increased product sales to our collaboration partners under our supply agreements and increased net product sales of NEXLETOL and NEXLIZET.
The increase is primarily due to increased product sales to our collaboration partners from our supply agreements and royalty sales growth within our partner territories. Cost of goods sold Cost of goods sold for the year ended December 31, 2023, was $43.3 million compared to $27.0 million for the year ended December 31, 2022, an increase of $16.3 million.
Recent Accounting Pronouncements Adopted For information on new accounting standards adopted and the impact, on our financial position or results of operations, see Note 2 to our audited financial statements found elsewhere in this Annual Report on Form 10-K. 78 Table of Contents Results of Operations Comparison of the Years Ended December 31, 2022 and 2021 The following table summarizes our results of operations for the years ended December 31, 2022 and 2021: Year Ended December 31, 2022 2021 Change (in thousands) Revenues: Product sales, net $ 55,863 $ 40,047 $ 15,816 Collaboration revenue 19,612 38,400 (18,788) Operating Expenses: Cost of goods sold 26,967 14,217 12,750 Research and development 118,927 105,975 12,952 Selling, general and administrative 109,082 184,985 (75,903) Loss from operations (179,501) (226,730) 47,229 Interest expense (56,810) (46,353) (10,457) Other income, net 2,652 3,975 (1,323) Net loss $ (233,659) $ (269,108) $ 35,449 Product sales, net Product sales, net for the year ended December 31, 2022 was $55.9 million compared to $40.0 million for the year ended December 31, 2021, an increase of approximately $15.9 million.
Recent Accounting Pronouncements Adopted For information on new accounting standards and the impact, on our financial position or results of operations, see Note 2 to our audited financial statements found elsewhere in this Annual Report on Form 10-K. 80 Table of Contents Results of Operations Comparison of the Years Ended December 31, 2023 and 2022 The following table summarizes our results of operations for the years ended December 31, 2023 and 2022: Year Ended December 31, 2023 2022 Change (in thousands) Revenues: Product sales, net $ 78,335 $ 55,863 $ 22,472 Collaboration revenue 37,999 19,612 18,387 Operating Expenses: Cost of goods sold 43,267 26,967 16,300 Research and development 86,107 118,927 (32,820) Selling, general and administrative 142,523 109,082 33,441 Loss from operations (155,563) (179,501) 23,938 Interest expense (58,976) (56,810) (2,166) Other income, net 5,291 2,652 2,639 Net loss $ (209,248) $ (233,659) $ 24,411 Product sales, net Product sales, net for the year ended December 31, 2023 was $78.3 million compared to $55.9 million for the year ended December 31, 2022, an increase of approximately $22.4 million.
Plan of Operations and Funding Requirements We expect to continue to incur significant expenses and operating losses for the foreseeable future in connection with closing our CLEAR Outcomes CVOT and our continued commercialization activities associated with NEXLETOL and NEXLIZET in the U.S.
In addition, as noted above, we received approximately $90.8 million, after deducting the underwriting discounts and estimated offering expenses, from our January 2024 Offering. Plan of Operations and Funding Requirements We expect to continue to incur significant expenses and operating losses for the foreseeable future in connection with our continued commercialization activities associated with NEXLETOL and NEXLIZET in the U.S.
Selling, general and administrative expenses Selling, general and administrative expenses for the year ended December 31, 2022, were $109.1 million compared to $185.0 million for the year ended December 31, 2021, a decrease of $75.9 million.
Selling, general and administrative expenses Selling, general and administrative expenses for the year ended December 31, 2023, were $142.5 million compared to $109.1 million for the year ended December 31, 2022, an increase of $33.4 million.
We invest our cash equivalents and investments in highly liquid, interest-bearing investment-grade securities and government securities to preserve principal.
As of December 31, 2023, our primary sources of liquidity were our cash and cash equivalents which totaled $82.2 million. We invest our cash equivalents and investments in highly liquid, interest-bearing investment-grade securities and government securities to preserve principal.
During the year ended December 31, 2022, we incurred $83.5 million in direct expenses related to our CLEAR Outcomes CVOT and other ongoing clinical studies.
During the years ended December 31, 2023 and December 31, 2022, we incurred $46.2 million and $83.5 million, respectively, in direct expenses related to our CLEAR Outcomes CVOT and other ongoing clinical studies. 77 Table of Contents Financial Operations Overview Product sales, net Product sales, net is related to our sales of NEXLETOL and NEXLIZET.
We expect our selling, general and administrative expenses will increase at the end of 2023 after we report full results from the CLEAR Outcomes CVOT in connection with potential additional global regulatory submissions for new product indications, expanded commercialization initiatives for NEXLETOL and NEXLIZET and increases in our associated headcount.
We expect our selling, general and administrative expenses will increase in 2024 in anticipation of potential additional global regulatory approvals for new product indications, expanded commercialization initiatives for NEXLETOL and NEXLIZET, and increases in our associated headcount to expand our sales team.
We anticipate that our current cash, cash equivalents, investments, expected future net product sales of NEXLETOL and NEXLIZET, and expected future revenue under our collaboration agreements is sufficient to fund continuing operations for the foreseeable future. As of December 31, 2022, our primary sources of liquidity were our cash and cash equivalents and available-for-sale investments which totaled $166.9 million.
We anticipate that our current cash, cash equivalents, and investments, including the funds received in January 2024 from the Settlement Agreement and January 2024 Offering, expected future net product sales of NEXLETOL and NEXLIZET, and expected future revenue under our collaboration agreements is sufficient to fund continuing operations for the foreseeable future.
We may continue to use the 2023 ATM Program to address potential short-term or long-term funding requirements that may arise. Such program will continue to be subject to the volatility of the price of our common stock and general market conditions.
Such program will continue to be subject to the volatility of the price of our common stock and general market conditions.
Adequate additional financing may not be available to us on acceptable terms, or at all. Our failure to raise capital as and when needed would have a material adverse effect on our financial condition and our ability to pursue our business strategy or continue operations.
Our failure to raise capital as and when needed would have a material adverse effect on our financial condition and our ability to pursue our business strategy or continue operations. We will need to generate significant revenues to achieve profitability, and we may never do so.
We cannot determine with certainty the duration and completion costs associated with the ongoing or future clinical studies of bempedoic acid and the bempedoic acid / ezetimibe combination tablet.
We expect research and development expenses to decrease substantially in 2024 after the completion of the CLEAR Outcomes CVOT and submitting regulatory filings to the FDA and EMA in 2023. We cannot determine with certainty the duration and completion costs associated with the ongoing or future clinical studies of bempedoic acid and the bempedoic acid / ezetimibe combination tablet.
As the U.S. net sales were less than $350 million for the year ended December 31, 2021, the Covered Territory was expanded to include worldwide sales beginning in 2022. A significant increase or decrease in net sales will materially impact the revenue interest liability, interest expense and the time period for repayment.
This could result in substantially higher payments starting in 2025. As the U.S. net sales were less than $350 million for the year ended December 31, 2021, the Covered Territory was expanded to include worldwide sales beginning in 2022.
Net cash provided by financing activities of $268.2 million for the year ended December 31, 2021, related primarily to net $208.7 million received from our offering of common stock and warrants in December 2021, $50.0 million in cash from our RIPA with Oberland, proceeds from the issuance of common stock through the "at-the-market" offering and cash received from stock option exercises, offset by payments on our revenue interest liability.
Financing Activities Net cash provided by financing activities of $50.5 million for the year ended December 31, 2023, related primarily to proceeds from our Registered Direct Offering, exercise of warrants, and net proceeds from our 2023 ATM Program, partially offset by payments on our revenue interest liability.
We may continue to use the 2023 ATM program or issue stock through other capital markets to address potential funding requirements. We anticipate that we will incur losses for the foreseeable future as we continue to incur substantial expenses related to the ongoing commercialization of NEXLETOL and NEXLIZET and expenses associated with our research and development activities.
The January 2024 Offering closed on January 23, 2024. 82 Table of Contents We anticipate that we will incur operating losses for the foreseeable future as we continue to incur substantial expenses related to the ongoing commercialization of NEXLETOL and NEXLIZET and expenses associated with our research and development activities.
Annual net sales for a calendar year exceeding $250 million would result in a repayment obligation of approximately $3.3 million or 3.3% for every $100 million of sales above the threshold. Issuance costs in connection with the RIPA are amortized to interest expense over the estimated term of the RIPA.
Annual net sales for a calendar year exceeding $250 million would result in a repayment obligation of approximately $3.3 million or 3.3% for every $100 million of sales above the threshold. In 2025, the percent of net revenue paid to Oberland could reset to a higher amount if certain revenue milestones are not met.
Bempedoic acid and the bempedoic acid / ezetimibe combination tablet are oral, once-daily, non-statin, LDL-C lowering medicines for patients with atherosclerotic cardiovascular disease, or ASCVD, or heterozygous familial hypercholesterolemia, or HeFH. We recently completed a global cardiovascular outcomes trial, or CVOT, —known as C holesterol L owering via B E mpedoic Acid, an A CL-inhibiting R egimen (CLEAR) Outcomes.
We completed a global cardiovascular outcomes trial, or CVOT, —known as C holesterol L owering via B E mpedoic Acid, an A CL-inhibiting R egimen (CLEAR) Outcomes.
The decrease in selling, general and administrative expenses was primarily attributable to decreases in compensation costs related to the reduction in force in the fourth quarter of 2021 and a $13.3 million one-time charge associated with a legal settlement in 2021. 79 Table of Contents Interest expense Interest expense for the year ended December 31, 2022, was $56.8 million, compared to $46.4 million for the year ended December 31, 2021, an increase of approximately $10.4 million.
The increase in selling, general and administrative expenses was primarily attributable to increases in legal costs, including legal costs associated with the settlement announced in early January 2024, increases in headcount, consulting and other promotional related expenses. 81 Table of Contents Interest expense Interest expense for the year ended December 31, 2023, was $59.0 million, compared to $56.8 million for the year ended December 31, 2022, an increase of $2.2 million.
We will continue to incur research and development expenses in the foreseeable future as they relate to closing-out activities for the CLEAR Outcomes CVOT and any other development programs or additional indications we choose to pursue. We expect research and development expenses to decrease after we report the full results of the CLEAR Outcomes CVOT.
We will continue to incur research and development expenses as they relate to other development programs or additional indications we choose to pursue such as the development of our next generation ACLY inhibitors.
The warrants are immediately exercisable and will expire two years from the date of issuance, at an exercise price of $9.00 per share, which may provide us with additional funding, if such warrants are exercised by their holders. In 2019, we entered into a RIPA with Oberland.
The warrants are immediately exercisable and will expire on September 22, 2026, which may provide 84 Table of Contents us with additional funding, if such warrants are exercised by their holders. Each pre-funded warrant is exercisable for one share of our common stock at an exercise price of $0.001 per share.
Under this amendment, the amount of the Cumulative Purchaser Payments (as defined in the RIPA) was reduced to $177,777,778. Refer to Note 10 to our audited financial statements appearing elsewhere in this Annual Report on Form 10-K for further information. We were incorporated in Delaware in January 2008, and commenced our operations in April 2008.
Refer to Note 12 to our audited financial statements appearing elsewhere in this Annual Report on Form 10-K for further information.
Collaboration revenue Collaboration revenue recognized from our collaboration agreements for the year ended December 31, 2022 was $19.6 million compared to $38.4 million for the year ended December 31, 2021, a decrease of $18.8 million primarily related to the recognition of $28.0 million in revenue related to the initial recognition of the upfront payment from our license and collaboration agreement with Daiichi Sankyo in April 2021, partially offset by increases in product sales to collaboration partners under our supply agreements and royalty revenue.
The increase is primarily due to prescription growth of NEXLETOL and NEXLIZET. Collaboration revenue Collaboration revenue recognized from our collaboration agreements for the year ended December 31, 2023 was $38.0 million compared to $19.6 million for the year ended December 31, 2022, an increase of $18.4 million.
Research and development expenses Research and development expenses for the year ended December 31, 2022, were $118.9 million compared to $106.0 million for the year ended December 31, 2021, an increase of approximately $12.9 million.
The increase is primarily related to increased product sales to our collaboration partners under our supply agreements and increased net product sales of NEXLETOL and NEXLIZET. Research and development expenses Research and development expenses for the year ended December 31, 2023, were $86.1 million compared to $118.9 million for the year ended December 31, 2022, a decrease of $32.8 million.
We also granted the underwriters a 30-day option to purchase up to 4,821,428 additional shares of common stock and/or accompanying warrants to purchase an aggregate of up to 4,821,428 shares of our common stock. The underwriters exercised the option to purchase additional warrants to purchase 4,821,428 shares of Common Stock.
The Underwriters were also granted a 30-day option to purchase up to an additional 8,505,000 shares of our common stock, at the public offering price. On January 19, 2024, Jefferies gave us notice of its election to exercise the option to purchase additional shares, in full.
On December 7, 2022, we announced that the study had met its primary endpoint. We anticipate reporting full results from the study at ACC.23 Annual Scientific Session & Expo together with the World Congress of Cardiology (or ACC.23/WCC) on March 4, 2023.
On December 7, 2022, we announced that the study had met its primary endpoint. On March 4, 2023, we announced the full results from the CLEAR Outcomes trial. The study showed that bempedoic acid demonstrated significant cardiovascular risk reductions and significantly reduced the risk of heart attack and coronary revascularization as compared to placebo.