Biggest changeFinancing Activities Net cash provided by financing activities was $362.4 million in 2022, compared to net cash provided by financing activities of $77.9 million in 2021, mainly due to $702.0 million cash received from the 2028 Convertible Notes offering and $291.6 million decrease related to the 2024 Convertible Notes induced conversion, a $150.1 million decrease in repurchase of common stock and a $1.5 million increase in net proceeds from the issuance of common stock under equity incentive plans, partially offset by, $784.9 million cash received from the 2027 Convertible Notes offering in the prior year and a $69.1 million payment for the Capped Call Transactions during the current year.
Biggest changeFinancing Activities The increase in net cash used in financing activities was primarily due to $702.0 million in cash received in the prior year from the issuance of our 2028 Convertible Notes, $202.5 million increase in the repurchase of common stock and a $6.2 million reduction in net proceeds from the issuance of common stock under equity incentive plans.
The net proceeds in connection with the 2027 Convertible Notes, after deducting the initial purchasers’ fee of $20.1 million, was approximately $784.9 million. We also incurred additional debt issuance costs totaling $0.4 million. Debt issuance costs and the initial purchasers’ fee are presented as a debt discount.
The net proceeds in connection with the issuance of the 2027 Convertible Notes, after deducting the initial purchasers’ fee of $20.1 million, was approximately $784.9 million. We also incurred additional debt issuance costs totaling $0.4 million. Debt issuance costs and the initial purchasers’ fee are presented as a debt discount.
Holders may convert their 2028 Convertible Notes at their option only in the following circumstances: (1) during any calendar quarter commencing after the calendar quarter ending on December 31, 2022, if the last reported sale price per share of common stock exceeds 130% of the conversion price for each of at least 20 trading days during the 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter; (2) during the 5 consecutive business days immediately after any 5 consecutive trading day period (such 5 consecutive trading day period, the “measurement period”) in which the trading price per $1,000 principal amount of notes for each trading day of the measurement period was less than 98% of the product of the last reported sale price per share of our common stock on such trading day and the conversion rate on such trading day; (3) upon the occurrence of certain corporate events or distributions on our common stock, as described in the offering memorandum for the 2028 Convertible Notes; (4) if we call such notes for redemption; and (5) at any time from, and including, February 15, 2028 until the close of business on the second scheduled trading day immediately before the maturity date.
Holders may convert their 2028 Convertible Notes at their option only in the following circumstances: (1) during any calendar quarter commencing after the calendar quarter ending on December 31, 2022, if the last reported sale price per share of common stock exceeds 130% of the conversion price for each of at least 20 trading days during the 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter; (2) during the five consecutive business days immediately after any five consecutive trading day period (such five consecutive trading day period, the “measurement period”) in which the trading price per $1,000 principal amount of notes for each trading day of the measurement period was less than 98% of the product of the last reported sale price per share of our common stock on such trading day and the conversion rate on such trading day; (3) upon the occurrence of certain corporate events or distributions on our common stock, as described in the offering memorandum for the 2028 Convertible Notes; (4) if we call such notes for redemption; and (5) at any time from, and including, February 15, 2028 until the close of business on the second scheduled trading day immediately before the maturity date.
In addition to paying interest on the outstanding principal under the Facility, we will pay (i) a commitment fee in respect of the unutilized commitments thereunder and (ii) customary letter of credit fees and agency fees. The commitment fees range from 0.15% to 0.35% per annum based on our consolidated net leverage ratio.
In addition to paying interest on the outstanding principal under the 2022 Facility, we will pay (i) a commitment fee in respect of the unutilized commitments thereunder and (ii) customary letter of credit fees and agency fees. The commitment fees range from 0.15% to 0.35% per annum based on our consolidated net leverage ratio.
We may, in the future, draw on our existing line of credit, offer and sell additional equity, debt securities and warrants to purchase any of such securities, either individually or in units to raise capital to raise funds for additional working capital, capital expenditures, share repurchases, acquisitions or for other general corporate purposes.
We may, in the future, draw on our existing line of credit or offer and sell additional equity, debt securities and warrants to purchase any of such securities, either individually or in units to raise capital for additional working capital, capital expenditures, share repurchases, acquisitions or for other general corporate purposes.
A change in any of the estimates and assumptions used may result an impairment charge in our consolidated statement of income. Recent Accounting Pronouncements Refer to Note 2, Summary of Significant Accounting Policies , of our consolidated financial statements for a discussion of recent accounting pronouncements and their effect, if any, on us. 59
A change in any of the estimates or assumptions used may result an impairment charge in our consolidated statement of income. Recent Accounting Pronouncements Refer to Note 2, Summary of Significant Accounting Policies , of our consolidated financial statements for a discussion of recent accounting pronouncements and their effect, if any, on us. 59
Differences in the allocation of the transaction price between delivered and undelivered performance obligations can impact the timing of revenue recognition but do not change the total revenue recognized under any agreement. 57 Share-Based Payments Methodology Judgment and Uncertainties Effect if Actual Results Differ From Assumptions We maintain a Stock Incentive Plan, which provides for share-based payment awards, including stock options, restricted stock and performance awards.
Differences in the allocation of the transaction price between delivered and undelivered performance obligations can impact the timing of revenue recognition but do not change the total revenue recognized under any agreement. 58 Share-Based Payments Methodology Judgment and Uncertainties Effect if Actual Results Differ From Assumptions We maintain a Stock Incentive Plan, which provides for share-based payment awards, including stock options, restricted stock and performance awards.
Borrowings under the 2022 Facility bear interest, at our option, at a rate equal to an applicable margin plus: (a) the applicable Term Secured Overnight Financing Rate (SOFR) (which includes a SOFR adjustment of 0.10%), or (b) a base rate determined by reference to the highest of (1) the federal funds effective rate plus 0.50%, (2) the Bank of America prime rate, (3) the Term SOFR rate for an interest period of one month plus 1.10%, and (4) 1.00%.
Borrowings under the 2022 Facility bear interest, at our option, at a rate equal to an applicable margin plus: (a) the applicable Term Secured Overnight Financing Rate (“SOFR”) (which includes a SOFR adjustment of 0.10%), or (b) a base rate 56 determined by reference to the highest of (1) the federal funds effective rate plus 0.50%, (2) the Bank of America prime rate, (3) the Term SOFR rate for an interest period of one month plus 1.10%, and (4) 1.00%.
The 2027 Convertible Notes are general unsecured obligations and will rank senior in right of payment to all indebtedness that is expressly subordinated in right of payment to the 2027 Convertible Notes, will rank equally in right of payment with all existing and future liabilities that are not so subordinated, will be effectively junior to any secured indebtedness to the extent of the value of the assets securing such indebtedness and will be structurally subordinated to all indebtedness and other liabilities (including trade payables) of our current or future subsidiaries.
The 2027 Convertible Notes are general unsecured obligations and rank senior in right of payment to all indebtedness that is expressly subordinated in right of payment to the 2027 Convertible Notes, rank equally in right of payment with all existing and future liabilities that are not so subordinated, are effectively junior to any secured indebtedness to the extent of the value of the assets securing such indebtedness and are structurally subordinated to all indebtedness and other liabilities (including trade payables) of our current or future subsidiaries.
If necessary, a true-up is recorded at that time if there is a difference from the initial estimated royalty revenue recorded. To date, the true-up entries have not been material. For collaborative arrangements, when necessary, we perform an allocation of the upfront amount based on relative stand-alone selling prices (SSP) of licenses for individual targets.
If necessary, a true-up is recorded at that time if there is a difference from the initial estimated royalty revenue recorded. To date, the true-up entries have not been material. For collaborative arrangements, when necessary, we perform an allocation of the upfront amount based on relative stand-alone selling prices (“SSP”) of licenses for individual targets.
We determine the fair value of our stock option awards at the date of grant using a Black-Scholes model. We determine the fair value of our restricted stock awards at the date of grant using the closing market value of our common stock on the date of grant.
We determine the fair value of our stock option awards at the date of grant using a Black-Scholes model. We determine the fair value of our restricted stock unit awards at the date of grant using the closing market value of our common stock on the date of grant.
In connection with the 2021 Induced Conversion, we paid approximately $370.2 million in cash, which includes principal and accrued interest, and issued approximately 9.08 million shares of our common stock representing the intrinsic value based on the contractual conversion rate and incremental shares as an inducement for conversion.
In connection with the 2021 Induced Conversion, we paid approximately $370.2 million in cash, which included principal and accrued interest, and issued approximately 9.08 million shares of our common stock representing the intrinsic value based on the contractual conversion rate and incremental shares as an inducement for conversion.
In connection with the 2022 Induced Conversion, we paid approximately $77.6 million in cash, which includes principal and accrued interest, and issued approximately 1.51 million shares of our common stock representing the intrinsic value based on the contractual conversion rate and incremental shares as an inducement for conversion.
In connection with the 2022 Induced Conversion, we paid approximately $77.6 million in cash, which included principal and accrued interest, and issued approximately 1.51 million shares of our common stock representing the intrinsic value based on the contractual conversion rate and incremental shares as an inducement for conversion.
The induced conversion expense represents the fair value of the common stock issued upon conversion in excess of the common stock issuable under the original terms of the 2024 Convertible Notes. In August 2022, we completed a privately negotiated induced conversion of $77.4 million principal amount of the 2024 Convertible Notes (“2022 Note Repurchases” or the “2022 Induced Conversion”).
The induced conversion expense represented the fair value of the common stock issued upon conversion in excess of the common stock issuable under the original terms of the 2024 Convertible Notes. In August 2022, we completed a privately negotiated induced conversion of $77.4 million principal amount of the 2024 Convertible Notes (“2022 Note Repurchases” or the “2022 Induced Conversion”).
The proceeds from a $120 million draw on the Revolving Credit Facility and the $250 million Term Facility were used to fund a portion of the Antares acquisition, refinance Antares’ existing debt and pay fees and expenses in connection with the acquisition.
Proceeds from a $120 million draw on the Revolving Credit Facility and the $250 million Term Facility were used to fund a portion of the Antares acquisition, repay Antares’ existing debt and pay fees and expenses in connection with the Antares acquisition.
Actual results may differ substantially from those referred to herein due to a number of factors, including but not limited to risks described in the Part I, Item 1A, Risks Factors, and elsewhere in this Annual Report. References to “Notes” are Notes included in our Notes to Consolidated Financial Statements.
Actual results may differ substantially from those referred to herein due to a number of factors, including but not limited to risks described in the Part I, Item 1A, Risks Factors, and elsewhere in this Annual Report on Form 10-K. References to “Notes” are Notes included in our Notes to Consolidated Financial Statements.
Management’s Discussion and Analysis of Financial Condition and Results of Operations included in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2021, which was filed with the SEC on February 22, 2022. Liquidity and Capital Resources Our principal sources of liquidity are our existing cash, cash equivalents and available-for-sale marketable securities.
Management’s Discussion and Analysis of Financial Condition and Results of Operations included in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2022, which was filed with the SEC on February 21, 2023. Liquidity and Capital Resources Overview Our principal sources of liquidity are our existing cash, cash equivalents and available-for-sale marketable securities.
Comparison of Years Ended December 31, 2021 and 2020 For discussion related to changes in financial condition and the results of operations for fiscal year 2021 compared to fiscal year 2020, refer to Part II - Item 7.
Comparison of Years Ended December 31, 2022 and 2021 For discussion related to changes in financial condition and the results of operations for the year ended December 31, 2022 compared to the year ended December 31, 2021, refer to Part II - Item 7.
Selling, General and Administrative – Selling, general and administrative (SG&A) expenses consist primarily of salaries and related costs for personnel in executive, selling and administrative functions as well as professional fees for legal and accounting, business development, commercial operations support for proprietary products and alliance management and marketing support for our collaborations.
Selling, General and Administrative – Selling, general and administrative (“SG&A”) expenses consist primarily of salaries and related costs for personnel in executive, selling and administrative functions as well as professional fees for legal and accounting, business development, commercial operations support for proprietary products and alliance management and marketing support for our collaborations.
The conversion rate is subject to adjustment in some events but will not be adjusted for any accrued or unpaid interest. 0.25% Convertible Notes due 2027 In March 2021, we completed the sale of $805.0 million in aggregate principal amount of 0.25% Convertible Senior Notes due 2027 (the “2027 Convertible Notes” and collectively with the 2024 Convertible Notes the “Convertible Notes”).
The conversion rate is subject to adjustment in some events but will not be adjusted for any accrued or unpaid interest. 0.25% Convertible Notes due 2027 In March 2021, we completed the sale of $805.0 million in aggregate principal amount of 0.25% Convertible Senior Notes due 2027 (the “2027 Convertible Notes”).
As of December 31, 2022, the 2028 Convertible Notes are not convertible. Upon conversion, we will pay cash for the settlement of principal and for the premium, if applicable, we will pay cash, deliver shares of common stock or a combination of cash and shares of common stock, at our election.
As of December 31, 2023, the 2028 Convertible Notes were not convertible. Upon conversion, we will pay cash for the settlement of principal, and for the premium, if applicable, we will pay cash, deliver shares of common stock or a combination of cash and shares of common stock, at our election.
Stockholders’ Equity , within the notes to the consolidated financial statements for additional information regarding our share repurchases. 53 Long-Term Debt 1.00% Convertible Notes due 2028 In August 2022, we completed the sale of $720.0 million in aggregate principal amount of 1.00% Convertible Senior Notes due 2028 (the “2028 Convertible Notes” and collectively with the 2024 and the 2027 Convertible Notes the “Convertible Notes”).
Refer to Note 10, Stockholders’ Equity , of our consolidated financial statements for additional information regarding our share repurchases. 54 Long-Term Debt 1.00% Convertible Notes due 2028 In August 2022, we completed the sale of $720.0 million in aggregate principal amount of 1.00% Convertible Senior Notes due 2028 (the “2028 Convertible Notes” and collectively with the 2024 Convertible Notes and the 2027 Convertible Notes the “Convertible Notes”).
The conversion rate for the 2024 Convertible Notes will be 41.9208 shares of common stock per $1,000 in principal amount of 2024 Convertible Notes, equivalent to a conversion price of approximately $23.85 per share of our common stock. The conversion rate is subject to adjustment.
The conversion rate for the 2024 Convertible Notes was 41.9208 shares of common stock per $1,000 in principal amount of 2024 Convertible Notes, equivalent to a conversion price of approximately $23.85 per share of our common stock. The conversion rate was subject to adjustment.
Our significant accounting policies are outlined in Note 2 to the Consolidated Financial Statements included in the Form 10-K. We believe the following accounting policies to be critical to the judgments and estimates used in the preparation of our consolidated financial statements.
Our significant accounting policies are outlined in Note 2, Summary of Significant Accounting Policies, to the consolidated financial statements included in the Annual Report on Form 10-K. We believe the following accounting policies to be critical to the judgments and estimates used in the preparation of our consolidated financial statements.
Our first commercially approved product Hylenex ® recombinant (“Hylenex”), and our ENHANZE partners’ approved products and product candidates are based on rHuPH20, our patented recombinant human hyaluronidase enzyme. rHuPH20 is the active ingredient Hylenex ® , that works by breaking down hyaluronan (“HA”), a naturally occurring carbohydrate that is a major component of the extracellular matrix of the SC space.
Our ENHANZE partners’ approved products and product candidates are based on rHuPH20, our patented recombinant human hyaluronidase enzyme. rHuPH20 works by breaking down hyaluronan (“HA”), a naturally occurring carbohydrate that is a major component of the extracellular matrix of the SC space.
We expect that sales of proprietary products will grow in future years as we work to expand market share in the TRT market. We expect that product sales of bulk rHuPH20 and device partnered products will fluctuate in future periods based on the needs of our partners.
We expect sales of our proprietary products will grow in future years as we continue to gain market share in the TRT market. We expect product sales of bulk rHuPH20 and device partnered products to fluctuate in future periods based on the needs of our partners.
We expect to fund our operations going forward with existing cash resources, anticipated revenues from our existing collaborations and cash that we may raise through future transactions.
We expect to fund our operations going forward with existing cash resources, anticipated revenues from our existing collaboration agreements and cash that we may raise through future financing transactions.
As of December 31, 2022, the revolving credit facility was undrawn. 56 Critical Accounting Estimates The 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 U.S. generally accepted accounting principles, or U.S. GAAP.
As of December 31, 2023, the revolving credit facility was undrawn. 57 Critical Accounting Estimates The 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 U.S. generally accepted accounting principles (“U.S. GAAP”).
The Amendment, among other things, increases the size of the revolving credit facility from $350 million to $575 million. The terms of the revolving credit facility are otherwise unchanged. Concurrently with the entry into the Amendment, the Company repaid the entire outstanding term loan facility and repaid all outstanding loans under the revolving credit facility under the Credit Agreement.
The Amendment, among other things, increased the size of the Revolving Credit Facility from $350 million to $575 million. The terms of the revolving credit facility were otherwise unchanged. Concurrently with the entry into the Amendment, we repaid the entire outstanding term loan facility and repaid all outstanding loans under the revolving credit facility under the 2022 Credit Agreement.
We license our technology to biopharmaceutical companies to collaboratively develop products that combine our ENHANZE ® drug delivery technology (“ENHANZE”) with the partners’ proprietary compounds.
We license our technology to biopharmaceutical companies to collaboratively develop products that combine ENHANZE ® with our partners’ proprietary compounds.
As of December 31, 2022, we had cash, cash equivalents and marketable securities of $362.8 million. We believe that our current cash, cash equivalents and marketable securities will be sufficient to fund our operations for at least the next twelve months.
As of December 31, 2023, we had cash, cash equivalents and marketable securities of $336.0 million. We believe that our current cash, cash equivalents and marketable securities will be sufficient to fund our operations for at least the next 12 months.
Leases We have lease arrangements related to our office and research facilities and certain autos under non-cancelable operating leases. As of December 31, 2022, we have lease payment obligations of $47.0 million, with $7.8 million payable within 12 months.
Leases We have lease arrangements related to our office and research facilities and certain vehicles under non-cancelable operating leases. As of December 31, 2023, we have lease payment obligations of $40.7 million, with $6.6 million payable within 12 months.
We test for potential impairment of goodwill and other intangible assets that have indefinite useful lives annually in the second fiscal quarter or whenever indicators of impairment arise. Significant estimates and assumptions used in estimating the fair value of the intangible assets.
We test for potential impairment of goodwill and other intangible assets that have indefinite useful lives annually in the second fiscal quarter or whenever indicators of impairment arise. In the year of acquisition, significant estimates and assumptions are used to estimate the fair value of the intangible assets. Subsequent to the initial recognition, we monitor these assets for impairment indicators.
As of December 31, 2022, we had third-party manufacturing obligations of $97.8 million, payable within 12 months. 52 Other purchase obligations and commitments Purchase obligations represent an estimate of all open purchase orders and contractual obligations in the ordinary course of business for which we have not received the goods or services.
Other purchase obligations and commitments Purchase obligations represent an estimate of all open purchase orders and contractual obligations in the ordinary course of business for which we have not received the goods or services. As of December 31, 2023, we had other purchase obligations and other commitments of $20.3 million, with $19.1 million payable within 12 months.
Our material cash requirements include the following contractual and other obligations. Long-term debt Our long-term debt consists of convertible notes. The aggregate principal amount of our convertible notes is $1,538.5 million, with $13.5 million classified as short term. Future interest payments associated with our convertible notes total $48.9 million, with $9.3 million payable within 12 months.
Our material cash requirements include the following contractual and other obligations. Long-term debt Our long-term debt consists of convertible notes. The aggregate principal amount of our convertible notes is $1,525.0 million. Future interest payments associated with our convertible notes total $39.7 million, with $9.2 million payable within 12 months.
Upon conversion, we will pay cash for the settlement of principal and for the premium, if applicable, we will pay cash, deliver shares of common stock or a combination of cash and shares of common stock, at our election.
As of December 31, 2023, the 2027 Convertible Notes were not convertible. 55 Upon conversion, we will pay cash for the settlement of principal, and for the premium, if applicable, we will pay cash, deliver shares of common stock or a combination of cash and shares of common stock, at our election.
In January 2023, we issued a notice for the redemption of 2024 Convertible Notes, and we expect to make cash payment of $13.5 million to effect the redemption in March 2023. 55 Revolving Credit and Term Loan Facilities (May 2022) In May 2022, in connection with the closing of the Antares acquisition, we entered into a credit agreement with Bank of America, N.A., as Administrative Agent, Swing Line Lender and an L/C Issuer, and the other lenders and L/C Issuers party thereto (the “2022 Credit Agreement), evidencing a credit facility (the “2022 Facility”) that provides for (i) a $350 million revolving credit facility (the “Revolving Credit Facility”) and (ii) a $250 million term loan facility (the “Term Facility”).
Revolving Credit and Term Loan Facilities (May 2022) In May 2022, in connection with the closing of the Antares acquisition, we entered into a credit agreement, which was subsequently amended, with Bank of America, N.A., as Administrative Agent, Swing Line Lender and an L/C Issuer, and the other lenders and L/C Issuers party thereto (the “2022 Credit Agreement), evidencing a credit facility (the “2022 Facility”) that provides for (i) a $350 million revolving credit facility (the “Revolving Credit Facility”) and (ii) a $250 million term loan facility (the “Term Facility”).
As of December 31, 2022, the 2024 Convertible Notes are convertible and are classified as a current liability In January 2021, we notified the note holders of our irrevocable election to settle the principal of the 2024 Convertible Notes in cash and for the premium, if applicable, to deliver shares of common stock.
In January 2021, we notified the note holders of our irrevocable election to settle the principal of the 2024 Convertible Notes in cash and for the premium, to deliver shares of common stock.
Option-pricing models and generally accepted valuation techniques require management to make assumptions and to apply judgment to determine the fair value of our awards. These assumptions and judgments include estimating the future volatility of our stock price, expected dividend yield and future employee stock option exercise behaviors. Changes in these assumptions can materially affect the fair value estimate.
These assumptions and judgments include estimating the future volatility of our stock price, expected dividend yield and future employee stock option exercise behaviors. Changes in these assumptions can materially affect the fair value estimate. Our performance awards require management to make assumptions regarding the likelihood of achieving long-term Company goals.
The conversion rate is subject to adjustment. 1.25% Convertible Notes due 2024 In November 2019, we completed the sale of $460.0 million in aggregate principal amount of 1.25% Convertible Senior Notes due 2024 (“2024 Convertible Notes”). The net proceeds in connection with 2024 Convertible Notes, after deducting the initial purchases’ fee of $12.7 million, was approximately $447.3 million.
The conversion rate is subject to adjustment. 1.25% Convertible Notes due 2024 In November 2019, we completed the sale of $460.0 million in aggregate principal amount of 1.25% Convertible Senior Notes due 2024 (the “2024 Convertible Notes”).
(“Pfizer”), Janssen Biotech, Inc. (“Janssen”), AbbVie, Inc. (“AbbVie”), Eli Lilly and Company (“Lilly”), Bristol-Myers Squibb Company (“BMS”), Alexion Pharma International Operations Unlimited Company (an indirect wholly owned subsidiary of AstraZeneca PLC)(“Alexion”), argenx BVBA (“argenx”), Horizon Therapeutics plc. (“Horizon”), ViiV Healthcare (the global specialist HIV Company majority owned by GlaxoSmithKline) (“ViiV”) and Chugai Pharmaceutical Co., Ltd (“Chugai”).
(“Pfizer”), Janssen Biotech, Inc. (“Janssen”), AbbVie, Inc. (“AbbVie”), Eli Lilly and Company (“Lilly”), Bristol Myers Squibb Company (“BMS”), argenx BVBA (“argenx”), ViiV Healthcare (the global specialist HIV Company majority owned by GlaxoSmithKline) (“ViiV”), Chugai Pharmaceutical Co., Ltd (“Chugai”) and Acumen Pharmaceuticals, Inc. (“Acumen”).
As a result of the 2021 Induced Conversion, we recorded $21.0 million in induced conversion expense which is included in Other income (expense) of the Condensed Consolidated Statements of Operations for the twelve months ended December 31, 2022.
As a result of the 2021 Induced Conversion, we recorded $21.0 million in induced conversion expense which was included in other income (expense) of our consolidated statements of income in 2021.
In December 2021, we announced our second share repurchase program, to repurchase up to $750.0 million of our outstanding common stock over a three-year period. See Note 10.
Share Repurchases In December 2021, our Board of Directors authorized a share repurchase program to repurchase up to $750.0 million of our outstanding common stock over a three-year period. In February 2024, our Board of Directors authorized a new capital return program to repurchase up to $750.0 million of our outstanding common stock.
However, if actual results are not consistent with our estimates or assumptions, we may be exposed to changes in share-based compensation expense that could be material. If actual results are not consistent with the assumptions used, the share-based compensation expense reported in our financial statements may not be representative of the actual economic cost of the share-based compensation.
We do not currently believe there is a reasonable likelihood that there will be a material change in estimates or assumptions we used to determine stock-based compensation expense. However, if actual results are not consistent with our estimates or assumptions, we may be exposed to changes in share-based compensation expense that could be material.
Revenues Under Collaborative Agreements – Revenues under collaborative agreements were as follows (in thousands): Year Ended December 31, 2022 2021 Dollar Change Percentage Change Upfront license fees, license fees for the election of additional targets, event-based payments, license maintenance fees and amortization of deferred upfront and other license fees: BMS $ 30,000 $ 25,000 $ 5,000 20 % Chugai 25,000 — 25,000 100 % Roche 19,000 5,000 14,000 280 % Janssen 15,000 59,000 (44,000) (75) % Takeda 10,000 — 10,000 100 % ViiV — 45,000 (45,000) (100) % Subtotal $ 99,000 $ 134,000 $ (35,000) (26) % Device licensing and development revenue 9,611 1,186 8,425 710 % Total revenues under collaborative agreements $ 108,611 $ 135,186 $ (26,575) (20) % Revenue from license fees decreased by $35.0 million in 2022, compared to 2021 primarily due to the timing of milestones driven by partner activities.
Revenues Under Collaborative Agreements – Revenues under collaborative agreements were as follows (in thousands): Year Ended December 31, 2023 2022 Dollar Change Percentage Change Upfront license fees, license fees for the election of additional targets, event-based payments, license maintenance fees and amortization of deferred upfront and other license fees: Upfront license and target nomination fees $ 2,000 $ 30,000 $ (28,000) (93) % Event-based development milestones and regulatory milestones and other fees 69,000 59,000 10,000 17 % Sales-based milestone — 10,000 (10,000) (100) % Device licensing and development revenue 9,534 9,611 (77) (1) % Total revenues under collaborative agreements $ 80,534 $ 108,611 $ (28,077) (26) % The decrease in revenue from license fees was primarily due to the timing of milestones driven by partner activities.
If there is a change in the inputs and assumptions used to fair value the contingent liability, that could have a material impact on our consolidated balance sheet and statements of income. 58 Goodwill and Intangibles We estimate the fair value of acquired intangible assets that have finite useful lives whenever an event or change in circumstances indicates that the carrying value of the asset may not be recoverable.
Goodwill and Intangibles Methodology Judgment and Uncertainties Effect if Actual Results Differ From Assumptions We estimate the fair value of acquired intangible assets that have finite useful lives whenever an event or change in circumstances indicates that the carrying value of the asset may not be recoverable.
For obligations with cancellation provisions, the amounts disclosed here were limited to the non-cancelable portion of the agreement terms or the minimum cancellation fee.
For obligations with cancellation provisions, the amounts disclosed were limited to the non-cancelable portion of the agreement terms or the minimum cancellation fee. As of December 31, 2023, we had third-party manufacturing obligations of $107.4 million, payable within 12 months.
As a result of the 2022 Induced Conversion, we recorded $2.7 million in induced conversion expense which is included in other income (expense) of the consolidated statements of income. The induced conversion expense represents the fair value of the common stock issued upon conversion in excess of the common stock issuable under the original terms of the 2024 Convertible Notes.
As a result of the 2022 Induced Conversion, we recorded $2.7 million in induced conversion expense which was included in other income (expense) of our consolidated statements of income in 2022.
We expect royalty revenue to continue to grow as a result of our 2020 ENHANZE partner product launches, offsetting the ongoing impact from biosimilars related to our mature ENHANZE partner products.
We expect royalty revenue to continue to grow as a result of our 2020 and 2023 ENHANZE partner product launches, offsetting the ongoing impact from IV biosimilars on pricing of mature partner products delivered SC with ENHANZE and the expected royalty rate reduction in March of 2024 for certain sales of DARZALEX SC outside of the U.S.
BMS • BMS plans to initiate a Phase 3 trial in early 2023 to demonstrate the drug exposure level of nivolumab and relatlimab fixed-dose combination with ENHANZE is not inferior to IV administration in participants with previously untreated metastatic or unresectable melanoma (Relativity-127). • In August 2022, BMS initiated a Phase 3 trial to compare the drug levels of nivolumab with ENHANZE administered subcutaneously versus IV administration in participants with melanoma following complete resection (CheckMate-6GE). • In June 2022, BMS nominated an undisclosed target resulting in a $5 million payment.
The study met its co-primary PK endpoints and a key secondary endpoint. • In March 2023, BMS initiated a Phase 3 trial to demonstrate the drug exposure levels of nivolumab and relatlimab fixed-dose combination with ENHANZE is not inferior to IV administration in participants with previously untreated metastatic or unresectable melanoma (RELATIVITY-127).
The increase in cash used in investing activities was primarily due to the acquisition of Antares, partially offset by an increase in cash from the sale of marketable securities and the sale of assets in 2022.
Investing Activities The decrease in net cash used in investing activities was primarily due to the acquisition of Antares in the prior year, partially offset by a decrease in cash from the sale and maturity of marketable securities, an increase in purchases of marketable securities as we continue to invest excess cash, a decrease in proceeds from the sale of assets, and an increase in capital spend for the purchase of manufacturing equipment and new facility improvements.
A 10% change in our share-based compensation expense for the year ended December 31, 2022 would have affected pre-tax earnings by approximately $2.4 million in 2022.
If actual results are not consistent with the assumptions used, the share-based compensation expense reported in our financial statements may not be representative of the actual economic cost of the share-based compensation. A 10% change in our share-based compensation expense for the year ended December 31, 2023 would have affected pre-tax earnings by approximately $3.7 million in 2023.
Product Sales, Net – Product sales, net were as follows (in thousands): Year Ended December 31, 2022 2021 Dollar Change Percentage Change Sales of bulk rHuPH20 $ 82,084 $ 80,961 $ 1,123 1 % Sales of proprietary products 72,849 23,263 49,586 213 % Sales of device partnered products 36,097 — 36,097 100 % Total product sales, net $ 191,030 $ 104,224 $ 86,806 83 % Total product sales, net increased by $86.8 million in 2022 compared to 2021, primarily due to contribution from our proprietary and device partnered products as the result of the Antares acquisition.
Product Sales, Net – Product sales, net were as follows (in thousands): Year Ended December 31, 2023 2022 Dollar Change Percentage Change Sales of proprietary products $ 130,834 $ 72,849 $ 57,985 80 % Sales of bulk rHuPH20 115,442 82,084 33,358 41 % Sales of device partnered products 54,578 36,097 18,481 51 % Total product sales, net $ 300,854 $ 191,030 $ 109,824 57 % The increase in product sales was primarily due to contributions from our proprietary and device partnered products as the result of the Antares acquisition in May 2022 and higher sales of bulk rHuPH20 driven by partner demand.
The expected timing of payments of the obligations above is estimated based on information we have as of December 31, 2022. Timing of payments and actual amounts paid may be different, depending on the time of receipt of goods or services, or changes to agreed-upon amounts for some obligations.
Timing of payments and actual amounts paid may be different, depending on the time of receipt of goods or services, or changes to agreed-upon amounts for some obligations. 53 Our future capital uses and requirements and anticipated sources of funds to satisfy these requirements depend on numerous forward-looking factors.
The increase of $57.9 million in cost of product sales was mainly due to an increase in sales in our proprietary, partnered products as a result of the Antares acquisition and amortization of inventory step-up associated with purchase accounting for the Antares acquisition. Amortization of intangibles – Amortization of intangibles expense was $43.1 million for 2022.
The increase in cost of sales was primarily due to an increase in sales of our proprietary and device partnered products as a result of the Antares acquisition in May 2022 and higher bulk rHuPH20 sales.
We currently receive royalties from three of these collaborations, including royalties from sales of one product from the Takeda collaboration, three products from the Roche collaboration and one product from the Janssen collaboration.
We currently earn royalties from four of these collaborations, including royalties from sales of one product from the Takeda collaboration, four products from the Roche collaboration, one product from the Janssen collaboration and one product from the argenx collaboration . We have commercialized auto-injector products with several pharmaceutical companies including Teva Pharmaceutical Industries, Ltd. (“Teva”) and Otter Pharmaceuticals, LLC (“Otter”).
The amortization of intangibles expense is due to the acquisition of Antares in May 2022, in which we acquired intangible assets that are amortized over their useful lives. 51 Research and Development – Research and development expenses consist of external costs, salaries and benefits and allocation of facilities and other overhead expenses related to research manufacturing, preclinical and regulatory activities related to our ENHANZE collaborations and our development platform.
Research and Development – Research and development expenses consist of external costs, salaries and benefits, and allocation of facilities and other overhead expenses related to research manufacturing, preclinical and regulatory activities related to our collaborations, and our development platforms.
We also incurred debt issuance cost totaling $0.3 million. Debt issuance costs and the initial purchasers’ fee are presented as a debt discount. The 2024 Convertible Notes pay interest semi-annually in arrears on June 1st and December 1st of each year, beginning on June 1, 2020, at an annual rate of 1.25%.
The net proceeds in connection with the issuance of the 2024 Convertible Notes, after deducting the initial purchasers’ fee of $12.7 million, was approximately $447.3 million. We also incurred debt issuance cost totaling $0.3 million. Debt issuance costs and the initial purchasers’ fee were presented as a debt discount.
The increase was mainly driven by continued sales uptake of DARZALEX FASPRO by Janssen and Phesgo by Roche in all geographies and contribution from new device royalty revenue as a result of the Antares acquisition, partially offset by slightly lower sales of Herceptin SC and MabThera SC by Roche.
In March 2023, the outstanding amount of the 2024 Convertible Notes converted in full and we paid $13.5 million in cash and issued 288,886 shares. 50 Results of Operations Comparison of Years Ended December 31, 2023 and 2022 Royalties – Royalties were as follows (in thousands): Year Ended December 31, 2023 2022 Change Percentage Change Royalties $ 447,865 $ 360,475 $ 87,390 24 % The increase in royalties was primarily driven by continued sales uptake of DARZALEX SC by Janssen and Phesgo by Roche in all geographies and contributions from new device royalty revenue as a result of the Antares acquisition in May 2022, partially offset by slightly lower sales of Herceptin SC and MabThera SC by Roche.
Research and development expenses were $66.6 million in 2022 compared to $35.7 million in 2021. The increase of $30.9 million is primarily due to planned investments in ENHANZE and an increase in compensation expense related to the ongoing combined larger workforce as a result of the Antares acquisition.
The increase in research and development expenses was primarily due to an increase in compensation expense related to the ongoing combined larger workforce from the Antares acquisition to support the device platform in regulatory, quality and manufacturing, as well as planned investments in ENHANZE, partially offset by one-time transaction costs incurred in the prior year.
Corporate • In January 2023, we elected to redeem on March 17, 2023 all of our remaining outstanding 1.25% convertible senior notes due 2024. • In August 2022, we completed the sale of $720.0 million aggregate principal amount of the 2028 Convertible Senior Note.
The results were presented at the 13th annual Partnership Opportunities in Drug Delivery (“PODD”) conference in October 2023. • In January 2023, we elected to redeem all of our remaining outstanding 1.25% convertible senior notes due 2024.
SG&A expenses were $143.5 million in 2022 compared to $50.3 million in 2021. The increase of $93.2 million, was primarily due to one-time Antares Pharma acquisition costs and an increase in compensation expense related to the ongoing combined larger workforce. Interest Expense – Interest expense was $16.9 million in 2022 compared to $7.5 million in 2021.
The increase in SG&A expenses was primarily due to an increase in compensation expense related to the ongoing combined larger workforce, including the addition of commercial resources in sales and marketing for TRT products, partially offset by one-time transaction costs incurred in the prior year.
We repurchased 2.1 million shares of common stock in open market purchases for $90.2 million at an average price per share of $43.09 and entered into an ASR agreement to repurchase $109.8 million of our common stock for which we took an initial delivery 2.0 million shares.
Corporate • In February 2024, we announced our third capital return program to repurchase up to $750.0 million of our outstanding common stock. • During 2023, we repurchased 4.2 million shares of common stock in open market transactions for $150.0 million at an average price per share of $36.01.
Overview Halozyme Therapeutics, Inc. is a biopharma technology platform company that provides innovative and disruptive solutions with the goal of improving the patient experience and potentially outcomes. Our proprietary enzyme, rHuPH20, is used to facilitate the subcutaneous (“SC”) delivery of injected drugs and fluids.
As the innovators of ENHANZE ® drug delivery technology (“ENHANZE”) with our proprietary enzyme, rHuPH20, our commercially validated solution is used to facilitate the subcutaneous (“SC”) delivery of injected drugs and fluids with the goal of reducing the treatment burden for patients.
(“Antares”), we also develop, manufacture and commercialize, for ourselves or with our partners, drug-device combination products using our advanced auto-injector technologies. Also as a result of our acquisition of Antares, our commercial portfolio of proprietary products includes XYOSTED ® , TLANDO ® and NOCDURNA ® . We have commercialized auto-injector products with several pharmaceutical companies including Teva Pharmaceutical Industries, Ltd.
We also develop, manufacture and commercialize, for ourselves or with our partners, drug-device combination products using our advanced auto-injector technologies that are designed to provide commercial or functional advantages such as improved convenience, reliability and tolerability, and enhanced patient comfort and adherence.