Biggest changeResults of Operations The following table summarizes our results of operations: Year Ended December 31, 2022 2021 2020 (in thousands, except percentages) Revenue $ 1,794,148 100.0 % $ 1,207,798 100.0 % $ 844,452 100.0 % Cost of revenue 745,596 41.6 522,339 43.2 378,498 44.8 Gross profit 1,048,552 58.4 685,459 56.8 465,954 55.2 Operating expenses: Research and development 240,171 13.4 190,627 15.8 137,598 16.3 Selling, general and administrative 273,595 15.2 226,190 18.7 161,670 19.1 Litigation expense, net 8,001 0.4 6,225 0.6 7,804 1.0 Total operating expenses 521,767 29.0 423,042 35.1 307,072 36.4 Operating income 526,785 29.4 262,417 21.7 158,882 18.8 Other income (expense), net (1,848 ) (0.1 ) 9,802 0.8 10,460 1.3 Income before income taxes 524,937 29.3 272,219 22.5 169,342 20.1 Income tax expense 87,265 4.9 30,196 2.5 4,967 0.6 Net income $ 437,672 24.4 % $ 242,023 20.0 % $ 164,375 19.5 % 34 Table of Contents Revenue The following table summarizes our revenue by end market: Year Ended December 31, Change From From % of % of % of 2021 to 2020 to End Market 2022 Revenue 2021 Revenue 2020 Revenue 2022 2021 (in thousands, except percentages) Storage and Computing $ 452,594 25.3 % $ 255,933 21.2 % $ 180,293 21.4 % 76.8 % 42.0 % Enterprise Data 251,415 14.0 116,345 9.6 72,884 8.6 116.1 % 59.6 % Automotive 300,016 16.7 204,335 16.9 108,966 12.9 46.8 % 87.5 % Industrial 219,179 12.2 184,784 15.3 119,603 14.2 18.6 % 54.5 % Communications 251,452 14.0 164,091 13.6 142,326 16.8 53.2 % 15.3 % Consumer 319,492 17.8 282,310 23.4 220,380 26.1 13.2 % 28.1 % Total $ 1,794,148 100.0 % $ 1,207,798 100.0 % $ 844,452 100.0 % 48.5 % 43.0 % Revenue for the year ended December 31, 2022 was $1,794.1 million, an increase of $586.3 million, or 48.5%, from $1,207.8 million for the year ended December 31, 2021.
Biggest changeResults of Operations The following table summarizes our results of operations: Year Ended December 31, 2023 2022 2021 (in thousands, except percentages) Revenue $ 1,821,072 100.0 % $ 1,794,148 100.0 % $ 1,207,798 100.0 % Cost of revenue 799,953 43.9 745,596 41.6 522,339 43.2 Gross profit 1,021,119 56.1 1,048,552 58.4 685,459 56.8 Operating expenses: Research and development 263,643 14.5 240,171 13.4 190,627 15.8 Selling, general and administrative 275,740 15.1 281,596 15.6 232,415 19.3 Total operating expenses 539,383 29.6 521,767 29.0 423,042 35.1 Operating income 481,736 26.5 526,785 29.4 262,417 21.7 Other income (expense), net 24,105 1.3 (1,848 ) (0.1 ) 9,802 0.8 Income before income taxes 505,841 27.8 524,937 29.3 272,219 22.5 Income tax expense 78,467 4.3 87,265 4.9 30,196 2.5 Net income $ 427,374 23.5 % $ 437,672 24.4 % $ 242,023 20.0 % 36 Table of Contents Revenue The following table summarizes our revenue by end market: Year Ended December 31, End Market 2023 % of Revenue 2022 % of Revenue 2021 % of Revenue (in thousands, except percentages) Storage and Computing $ 491,139 27.0 % $ 452,594 25.3 % $ 255,933 21.2 % Enterprise Data 322,980 17.7 251,415 14.0 116,345 9.6 Automotive 394,665 21.7 300,016 16.7 204,335 16.9 Industrial 172,717 9.4 219,179 12.2 184,784 15.3 Communications 204,911 11.3 251,452 14.0 164,091 13.6 Consumer 234,660 12.9 319,492 17.8 282,310 23.4 Total $ 1,821,072 100.0 % $ 1,794,148 100.0 % $ 1,207,798 100.0 % Revenue for the year ended December 31, 2023 was $1,821.1 million, an increase of $27.0 million, or 1.5%, from $1,794.1 million for the year ended December 31, 2022.
Dividends We currently have a dividend program approved by our Board of Directors, pursuant to which we intend to pay quarterly cash dividends on our common stock.
We currently have a dividend program approved by our Board of Directors, pursuant to which we intend to pay quarterly cash dividends on our common stock.
Income Tax Expense The income tax expense for the year ended December 31, 2022 was $87.3 million, or 16.6% of pre-tax income. The effective tax rate was lower than the federal statutory rate primarily due to foreign income from our subsidiaries in Bermuda and China being taxed at lower statutory tax rates, and excess tax benefits from stock-based compensation.
The income tax expense for the year ended December 31, 2022 was $87.3 million, or 16.6% of pre-tax income. The effective tax rate was lower than the federal statutory rate of 21% primarily due to foreign income from our subsidiaries in Bermuda and China being taxed at lower statutory tax rates, and excess tax benefits from stock-based compensation.
Likewise, should it be determined that additional amounts of the net deferred tax assets will not be realized in the future, an adjustment to increase the deferred tax assets valuation allowance will be charged to income in the period such determination is made. 33 Table of Contents Contingencies We record a contingent liability related to pending legal and regulatory proceedings when it is probable that a loss has been incurred and the amount is reasonably estimable.
Likewise, should it be determined that additional amounts of the net deferred tax assets will not be realized in the future, an adjustment to increase the deferred tax assets valuation allowance will be charged to income in the period such determination is made. 35 Table of Contents Contingencies We record a contingent liability related to pending legal and regulatory proceedings when it is probable that a loss has been incurred and the amount is reasonably estimable.
Four U.S.-based distributors have price adjustment rights when they sell our products to their end customers at a price that is lower than the distribution price invoiced by us. When we receive claims from the distributors that products have been sold to the end customers at the lower price, we issue the distributors credit memos for the price adjustments.
Certain U.S.-based distributors have price adjustment rights when they sell our products to their end customers at a price that is lower than the distribution price invoiced by us. When we receive claims from the distributors that products have been sold to the end customers at the lower price, we issue the distributors credit memos for the price adjustments.
Our actual results may differ materially from those anticipated in these forward-looking statements as a result of certain factors, including those set forth under “Part I, Item 1A. Risk Factors” and elsewhere in this Annual Report on Form 10-K.
Our actual results may differ materially from those anticipated in these forward-looking statements as a result of many factors, including those set forth under “Part I, Item 1A. Risk Factors” and elsewhere in this Annual Report on Form 10-K.
Discussions of 2020 results and year-to-year comparisons between 2021 and 2020 that are omitted in this Annual Report on Form 10-K can be found in “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in Part II, Item 7 of our Annual Report on Form 10-K for the year ended December 31, 2021, filed with the SEC on February 25, 2022.
Discussions of 2021 results and year-to-year comparisons between 2022 and 2021 that are omitted in this Annual Report on Form 10-K can be found in “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in Part II, Item 7 of our Annual Report on Form 10-K for the year ended December 31, 2022, filed with the SEC on February 24, 2023.
We derive most of our revenue from sales through distribution arrangements and direct sales to customers in Asia, where our products are incorporated into end-user products. Our revenue from direct or indirect sales to customers in Asia was 86%, 90% and 91% for the years ended December 31, 2022, 2021 and 2020, respectively.
We derive most of our revenue from sales through distribution arrangements and direct sales to customers in Asia, where our products are incorporated into end-user products. Our revenue from direct or indirect sales to customers in Asia was 87%, 86% and 90% for the years ended December 31, 2023, 2022 and 2021, respectively.
Cash Requirements Although consequences of economic uncertainty and macroeconomic conditions and other factors could adversely affect our liquidity and capital resources in the future, and cash requirements may fluctuate based on the timing and extent of many factors such as those discussed above, we believe that our balances of cash, cash equivalents and short-term investments of $737.9 million as of December 31, 2022, along with cash generated by ongoing operations, will be sufficient to satisfy our liquidity requirements for the next 12 months and beyond.
Cash Requirements Although consequences of economic uncertainty and macroeconomic conditions and other factors could adversely affect our liquidity and capital resources in the future, and cash requirements may fluctuate based on the timing and extent of many factors such as those discussed above, we believe that our balances of cash, cash equivalents and short-term investments of $1,108.5 million as of December 31, 2023, along with cash generated by ongoing operations, will be sufficient to satisfy our liquidity requirements for the next 12 months and beyond.
In August 2022, the CHIPS Act and the Inflation Reduction Act of 2022 (the “IRA”) were enacted and signed into law, which did not have a material impact on our income tax provisions, results of operations or financial condition for the year ending December 31, 2022.
In August 2022, the CHIPS Act and the Inflation Reduction Act of 2022 (the “IRA”) were enacted and signed into law, which did not have a material impact on our income tax provisions, results of operations or financial condition for the years ended December 31, 2023 or 2022.
Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations The following discussion should be read in conjunction with the consolidated financial statements and related notes which appear under Item 8 in this Annual Report on Form 10-K. This discussion and analysis contain, in addition to historical information, forward-looking statements that include risks and uncertainties.
Item 7. Management ’ s Discussion and Analysis of Financial Condition and Results of Operations The following discussion should be read in conjunction with the consolidated financial statements and related notes which appear under Item 8 in this Annual Report on Form 10-K. This discussion and analysis contain, in addition to historical information, forward-looking statements that involve risks and uncertainties.
Based on our historical practice, stockholders of record as of the last business day of the quarter are entitled to receive the quarterly cash dividends when and if declared by the Board of Directors, which are payable to the stockholders in the following month. As of December 31, 2022, accrued dividends totaled $35.3 million.
Based on our historical practice, stockholders of record as of the last business day of the quarter are entitled to receive the quarterly cash dividends when and if declared by the Board of Directors, which are payable to the stockholders in the following month. As of December 31, 2023, accrued dividends totaled $47.9 million.
As of December 31, 2022 and 2021, we had a valuation allowance of $20.3 million and $19.5 million, respectively, attributable to management’s determination that it is more likely than not that certain deferred tax assets will not be fully realized.
As of December 31, 2023 and 2022, we had a valuation allowance of $35.0 million and $20.3 million, respectively, attributable to management’s determination that it is more likely than not that certain deferred tax assets will not be fully realized.
Estimates and judgments used in the preparation of our financial statements are, by their nature, uncertain and unpredictable, and depend upon, among other things, many factors outside of our control, including demand for our products, economic conditions and other current and future events, such as macroeconomic factors, including the impact of the COVID-19 pandemic, the global economic downturn and the Russia-Ukraine conflict.
Estimates and judgments used in the preparation of our financial statements are, by their nature, uncertain and unpredictable, and depend upon, among other things, many factors outside of our control, including demand for our products, economic conditions and other current and future events, such as macroeconomic factors, including the impact of the 2023 banking crisis, global economic downturn, Russia-Ukraine conflict and the Middle East conflict.
Operating Leases Operating lease obligations represent the undiscounted remaining lease payments primarily for our leased facilities and equipment. As of December 31, 2022, these obligations totaled $3.8 million, of which $2.1 million was short-term.
Operating Leases Operating lease obligations represent the undiscounted remaining lease payments primarily for our leased facilities and equipment. As of December 31, 2023, these obligations totaled $7.9 million, of which $2.3 million was short-term.
Research and Development ( “ R&D ” ) R&D expenses primarily consist of salary and benefit expenses, bonuses, stock-based compensation and deferred compensation for design and product engineers, expenses related to new product development and supplies, and facility costs.
Research and Development ( “ R&D ” ) R&D expenses primarily consist of cash compensation and benefits, stock-based compensation and deferred compensation for design and product engineers, expenses related to new product development and supplies, and facility costs.
Other Income (Expense), Net Other expense, net, was $1.8 million for the year ended December 31, 2022, compared with other income, net, of $9.8 million for the year ended December 31, 2021.
Other Income (Expense), Net Other income, net, was $24.1 million for the year ended December 31, 2023, compared with other expense, net, of $1.8 million for the year ended December 31, 2022.
Tax Cuts and Jobs Act enacted in December 2017 (“2017 Tax Act”) . As permitted by the 2017 Tax Act, we have elected to pay the tax liability in installments on an interest-free basis through 2025. As of December 31, 2022, the remaining liability totaled $14.8 million, of which $3.7 million was short-term.
Tax Cuts and Jobs Act enacted in December 2017 (the “2017 Tax Act”) . As permitted by the 2017 Tax Act, we have elected to pay the tax liability in installments on an interest-free basis through 2025. As of December 31, 2023, the remaining liability totaled $11.1 million, of which $4.9 million was short-term.
In February 2023, our Board of Directors approved an increase in the quarterly cash dividend from $0.75 per share to $1.00 per share, which amount will be paid on April 14, 2023 to all stockholders of record as of the close of business on March 31, 2023.
In February 2024, our Board of Directors approved an increase in the quarterly cash dividend from $1.00 per share to $1.25 per share, which amount will be paid on April 15, 2024 to all stockholders of record as of the close of business on March 29, 2024.
Recent Accounting Pronouncements See Note 1 of the Notes to Consolidated Financial Statements regarding accounting pronouncements not yet adopted as of December 31, 2022.
Recent Accounting Pronouncements See Note 1 of the Notes to Consolidated Financial Statements regarding a recently adopted accounting pronouncement and recent accounting pronouncements not yet adopted as of December 31, 2023.
We operate in the cyclical semiconductor industry. We are not immune from industry downturns, but we have targeted product and market areas that we believe have the ability to offer above average industry performance over the long term.
We are subject to industry downturns, but we have targeted product and market areas that we believe have the ability to offer above average industry performance over the long term.
Cost of Revenue and Gross Margin Cost of revenue primarily consists of costs incurred to manufacture, assemble and test our products, as well as warranty costs, inventory-related and other overhead costs, and stock-based compensation expenses.
This decrease was a result of broad market weakness across all segments. Cost of Revenue and Gross Margin Cost of revenue primarily consists of costs incurred to manufacture, assemble and test our products, as well as warranty costs, inventory-related and other overhead costs, and stock-based compensation expenses.
The increase in gross margin was mainly driven by lower warranty expenses as a percentage of revenue and a favorable product mix.
The decrease in gross margin was mainly driven by product mix, partially offset by lower inventory write-downs and warranty expenses as a percentage of revenue.
Year Ended December 31, Change From 2021 to From 2020 to 2022 2021 2020 2022 2021 (in thousands, except percentages) R&D expenses $ 240,171 $ 190,627 $ 137,598 26.0 % 38.5 % As a percentage of revenue 13.4 % 15.8 % 16.3 % R&D expenses were $240.2 million, or 13.4% of revenue, for the year ended December 31, 2022, and $190.6 million, or 15.8% of revenue, for the year ended December 31, 2021.
Year Ended December 31, 2023 2022 2021 (in thousands, except percentages) R&D expenses $ 263,643 $ 240,171 $ 190,627 As a percentage of revenue 14.5 % 13.4 % 15.8 % R&D expenses were $263.6 million, or 14.5% of revenue, for the year ended December 31, 2023, and $240.2 million, or 13.4% of revenue, for the year ended December 31, 2022.
As of December 31, 2022, total estimated future unconditional purchase commitments to all suppliers and other parties were $1.1 billion, of which $455.4 million was short-term. Transition Tax Liability The transition tax liability represents the one-time, mandatory deemed repatriation tax imposed on previously deferred foreign earnings under the U.S.
As of December 31, 2023, total estimated future unconditional purchase commitments to all suppliers and other parties, net of the $120.0 million prepayment, were $699.7 million, of which $367.8 million was classified as short-term. 39 Table of Contents Transition Tax Liability The transition tax liability represents the one-time, mandatory deemed repatriation tax imposed on previously deferred foreign earnings under the U.S.
We believe our ability to achieve revenue growth will depend, in part, on our ability to develop new products, enter new market segments, gain market share, manage litigation risk, diversify our customer base and continue to secure manufacturing capacity. Impact of COVID-19 on Our Business The COVID-19 pandemic has had, and continues to have, a significant impact around the world.
We believe our ability to achieve revenue growth will depend, in part, on our ability to develop new products, enter new market segments, gain market share, manage litigation risk, diversify our customer base and continue to secure manufacturing capacity.
Macroeconomic Conditions and Recent Regulations During 2022, the semiconductor industry faced a number of macro-economic challenges including the impact of supply chain capacity constraints, wide swings in customer demand, rising inflation, increased interest rates, and fluctuations in currency rates. We remain cautious in light of changing macroeconomic conditions and will continue to monitor potential impact on our operations.
Macroeconomic Conditions and Recent Regulations During 2023, the semiconductor industry faced, and continues to face, a number of macro-economic challenges including reduced consumer spending, fluctuations in demand for semiconductors, rising inflation, increased interest rates, and fluctuations in currency rates. We remain cautious in light of continued challenging macroeconomic conditions and will continue to monitor the potential impact on our operations.
See Note 11 of the Notes to Consolidated Financial Statements for further discussion. 36 Table of Contents Liquidity and Capital Resources December 31, 2022 2021 (in thousands, except percentages) Cash and cash equivalents $ 288,607 $ 189,265 Short-term investments 449,266 535,817 Total cash, cash equivalents and short-term investments $ 737,873 $ 725,082 Percentage of total assets 35.8 % 45.7 % Total current assets $ 1,410,619 $ 1,124,852 Total current liabilities (263,400 ) (226,944 ) Working capital $ 1,147,219 $ 897,908 As of December 31, 2022, we had cash and cash equivalents of $288.6 million and short-term investments of $449.3 million, compared with cash and cash equivalents of $189.3 million and short-term investments of $535.8 million as of December 31, 2021.
See Note 11 of the Notes to Consolidated Financial Statements for further discussion. 38 Table of Contents Liquidity and Capital Resources December 31, 2023 2022 (in thousands, except percentages) Cash and cash equivalents $ 527,843 $ 288,607 Short-term investments 580,633 449,266 Total cash, cash equivalents and short-term investments $ 1,108,476 $ 737,873 Percentage of total assets 45.5 % 35.8 % Total current assets $ 1,819,499 $ 1,410,619 Total current liabilities (235,035 ) (263,400 ) Working capital $ 1,584,464 $ 1,147,219 As of December 31, 2023, we had cash and cash equivalents of $527.8 million and short-term investments of $580.6 million, compared with cash and cash equivalents of $288.6 million and short-term investments of $449.3 million as of December 31, 2022.
Year Ended December 31, Change From 2021 to From 2020 to 2022 2021 2020 2022 2021 (in thousands, except percentages) Cost of revenue $ 745,596 $ 522,339 $ 378,498 42.7 % 38.0 % As a percentage of revenue 41.6 % 43.2 % 44.8 % Gross profit $ 1,048,552 $ 685,459 $ 465,954 53.0 % 47.1 % Gross margin 58.4 % 56.8 % 55.2 % Cost of revenue was $745.6 million, or 41.6% of revenue, for the year ended December 31, 2022, and $522.3 million, or 43.2% of revenue, for the year ended December 31, 2021.
Year Ended December 31, 2023 2022 2021 (in thousands, except percentages) Cost of revenue $ 799,953 $ 745,596 $ 522,339 As a percentage of revenue 43.9 % 41.6 % 43.2 % Gross profit $ 1,021,119 $ 1,048,552 $ 685,459 Gross margin 56.1 % 58.4 % 56.8 % Cost of revenue was $800.0 million, or 43.9% of revenue, for the year ended December 31, 2023, and $745.6 million, or 41.6% of revenue, for the year ended December 31, 2022.
The increase in revenue was primarily due to increases in the average selling prices resulting primarily from the sale of higher value products and increases in shipment volume. For the year ended December 31, 2022, revenue from the storage and computing market increased $196.7 million, or 76.8%, from the same period in 2021.
The increase in revenue was primarily due to increases in the average selling prices resulting primarily from product mix, partially offset by lower shipment volume. For the year ended December 31, 2023, revenue from the storage and computing market increased $38.5 million, or 8.5%, from the same period in 2022.
The increase in other expense was primarily due to an increase of $11.2 million in expense related to changes in the value of deferred compensation plan investments and an increase of $4.4 million in charitable contributions, which was partially offset by an increase of $3.0 million in net interest income.
The increase in other income was primarily due to an increase of $18.6 million in net interest income as a result of higher interest rates, and an increase of $15.1 million in income related to changes in the value of deferred compensation plan investments, partially offset by an increase of $9.0 million in charitable contributions.
Revenue Recognition We account for price adjustments and stock rotation rights as variable consideration that reduces the transaction price, and recognize that reduction in the same period the associated revenue is recognized.
We believe the following critical accounting policies reflect our more significant judgments used in the preparation of our consolidated financial statements. Revenue Recognition We account for price adjustments and stock rotation rights as variable consideration that reduces the transaction price and recognize that reduction in the same period the associated revenue is recognized.
Summary of Cash Flows The following table summarizes our cash flow activities: Year Ended December 31, 2022 2021 2020 (in thousands) Net cash provided by operating activities $ 246,674 $ 320,010 $ 267,803 Net cash used in investing activities (12,510 ) (378,886 ) (39,177 ) Net cash used in financing activities (128,785 ) (90,206 ) (71,557 ) Effect of change in exchange rates (6,039 ) 3,400 4,926 Net increase (decrease) in cash, cash equivalents and restricted cash $ 99,340 $ (145,682 ) $ 161,995 For the year ended December 31, 2022, the $73.3 million decrease in cash provided by operating activities compared to the prior period was primarily due to changes in operating assets and liabilities, in particular, inventories and prepaid wafer purchases, partially offset by an increase of $195.6 million in net income and an increase of $37.5 million in stock-based compensation expenses.
Summary of Cash Flows The following table summarizes our cash flow activities: Year Ended December 31, 2023 2022 2021 (in thousands) Net cash provided by operating activities $ 638,213 $ 246,674 $ 320,010 Net cash used in investing activities (178,726 ) (12,510 ) (378,886 ) Net cash used in financing activities (183,725 ) (128,785 ) (90,206 ) Effect of change in exchange rates (3,310 ) (6,039 ) 3,400 Net increase (decrease) in cash, cash equivalents and restricted cash $ 272,452 $ 99,340 $ (145,682 ) For the year ended December 31, 2023, the $391.5 million increase in cash provided by operating activities compared to the prior period was primarily due to decreased inventory purchases, decreased prepaid wafer expenses, increased accounts receivable collections and other changes in working capital.
This increase was primarily driven by strong sales growth for storage applications and enterprise notebooks. Revenue from the enterprise data market increased $135.1 million, or 116.1%, from the same period in 2021. This increase was primarily due to higher sales of our power management solutions for cloud-based CPU and GPU server applications.
This increase was primarily driven by increased sales of products for notebooks. Revenue from the enterprise data market increased $71.6 million, or 28.5%, from the same period in 2022. This increase was primarily due to higher sales of our power management solutions for AI applications.
Revenue from the automotive market increased $95.7 million, or 46.8%, from the same period in 2021. This increase was primarily due to increased sales of our highly integrated applications supporting automated driver assistance systems, digital cockpits and connectivity. Revenue from the industrial market increased $34.4 million, or 18.6%, from the same period in 2021.
Revenue from the automotive market increased $94.6 million, or 31.5%, from the same period in 2022. This increase was primarily driven by increased sales of our highly integrated applications supporting advanced driver assistance systems, body electronics and the digital cockpit. Revenue from the industrial market decreased $46.5 million, or 21.2%, from the same period in 2022.
As of December 31, 2022, $253.8 million of cash and cash equivalents and $270.4 million of short-term investments were held by our international subsidiaries. We have and may continue to repatriate cash from our Bermuda subsidiary to fund our expenditures in future periods. We anticipate that earnings from other foreign subsidiaries will continue to be indefinitely reinvested.
We may repatriate additional cash from our Bermuda subsidiary to fund our expenditures in future periods. We anticipate that earnings from other foreign subsidiaries will continue to be indefinitely reinvested.
Year Ended December 31, Change From 2021 to From 2020 to 2022 2021 2020 2022 2021 (in thousands, except percentages) SG&A expenses $ 273,595 $ 226,190 $ 161,670 21.0 % 39.9 % As a percentage of revenue 15.2 % 18.7 % 19.1 % SG&A expenses were $273.6 million, or 15.2% of revenue, for the year ended December 31, 2022, and $226.2 million, or 18.7% of revenue, for the year ended December 31, 2021.
Year Ended December 31, 2023 2022 2021 (in thousands, except percentages) SG&A expenses $ 275,740 $ 281,596 $ 232,415 As a percentage of revenue 15.1 % 15.6 % 19.3 % SG&A expenses were $275.7 million, or 15.1% of revenue, for the year ended December 31, 2023, and $281.6 million, or 15.6% of revenue, for the year ended December 31, 2022.
To date, we do not believe we have experienced any material information security breaches and have not incurred significant operating expenses related to information security breaches. 32 Table of Contents Critical Accounting Policies and Estimates Our discussion and analysis of our financial condition and results of operations are based upon our consolidated financial statements, which have been prepared in accordance with generally accepted accounting principles in the United States (“GAAP”).
We will continue to monitor any changes or developments to export control laws, trade regulations and other trade requirements, or interpretations thereof and are committed to complying with all applicable trade laws, regulations and other requirements. 34 Table of Contents Critical Accounting Policies and Estimates Our discussion and analysis of our financial condition and results of operations are based upon our consolidated financial statements, which have been prepared in accordance with generally accepted accounting principles in the United States (“GAAP”).
For the year ended December 31, 2022, the $366.4 million decrease in cash used in investing activities compared to the prior period was primarily due to a $331.2 million decrease in purchases of short-term investments and a $35.6 million decrease in capital expenditures.
For the year ended December 31, 2023, the $166.2 million increase in cash used in investing activities compared to the prior period was primarily due to an increase of $518.9 million in purchases of investments, partially offset by an increase of $340.4 million in sales of investments.
Other Long-Term Obligations Other long-term obligations primarily include payments for deferred compensation plan liabilities and accrued dividend equivalents. As of December 31, 2022, these obligations totaled $71.7 million. 38 Table of Contents
Other Long-Term Obligations Other long-term obligations primarily include payments for deferred compensation plan liabilities and accrued dividend equivalents. As of December 31, 2023, these obligations totaled $83.1 million. Acquisition On January 3, 2024, we acquired Axign, a Dutch company for $33.8 million in cash.
Our material cash requirements include the following contractual and other obligations: Purchase Obligations Purchase obligations represent our obligations with our suppliers and other parties that require the purchases of goods or services, which primarily consist of wafer and other inventory purchases, assembly and other manufacturing services, construction of manufacturing and R&D facilities, purchases of production and other equipment, and license arrangements.
Our material cash requirements include the following contractual and other obligations: Purchase Obligations Purchase obligations represent commitments to our suppliers and other parties requiring the purchases of goods or services.
The $223.3 million increase in cost of revenue was primarily due to increased shipment volume, product mix, increases in manufacturing overhead costs and increased input cost. Gross margin was 58.4% for the year ended December 31, 2022, compared with 56.8% for the year ended December 31, 2021.
The $54.4 million increase in cost of revenue was primarily driven by product mix, partially offset by lower inventory write-downs and warranty expenses. Gross margin was 56.1% for the year ended December 31, 2023, compared with 58.4% for the year ended December 31, 2022.
The effective tax rate was lower than the federal statutory rate primarily due to foreign income from our subsidiaries in Bermuda and China being taxed at lower statutory tax rates. The decrease in the effective tax rate relative to the federal statutory rate was partially offset by the inclusion of the GILTI tax.
The effective tax rate was lower than the federal statutory rate of 21% primarily due to foreign income from our subsidiaries in Bermuda and China being taxed at lower statutory tax rates and a return to provision true-up adjustment which primarily resulted from a calculation refinement of our capitalization of research and experimental expenditures under Section 174 of the Internal Revenue Code (the “IRC”).
The increase was partially offset by a $4.7 million benefit related to changes in the value of deferred compensation plan liabilities.
This decrease was partially offset by a $10.1 million increase in expenses related to changes in the value of the deferred compensation plan liabilities, and an $8.2 million increase consisting mostly of travel related expenses, third party service expenses and software licensing fees.
Overview We are a fabless company with a global footprint that provides high-performance, semiconductor-based power electronic solutions. Incorporated in 1997, our three core strengths include deep system-level knowledge, strong semiconductor expertise, and innovative proprietary technologies in the areas of semiconductor processes, system integration, and packaging.
Founded in 1997 by our CEO Michael Hsing, MPS has three core strengths: deep system-level knowledge, strong semiconductor design expertise, and innovative proprietary technologies in the areas of semiconductor processes, system integration, and packaging.
Our R&D headcount was 1,328 employees as of December 31, 2022, compared with 1,087 employees as of December 31, 2021. 35 Table of Contents Selling, General and Administrative ( “ SG&A ” ) SG&A expenses primarily include salary and benefit expenses, bonuses, stock-based compensation and deferred compensation for sales, marketing and administrative personnel, sales commissions, travel expenses, facilities costs, and professional service fees.
This increase was partially offset by an $8.1 million decrease in cash compensation expenses, which was driven by decreased bonuses. 37 Table of Contents Selling, General and Administrative ( “ SG&A ” ) SG&A expenses primarily include cash compensation and benefits, stock-based compensation and deferred compensation for sales, marketing and administrative personnel, sales commissions, travel expenses, facilities costs, third party service fees and litigation expenses.
The implications of macroeconomic events on our business, results of operations and overall financial position remain uncertain. There also have been recent changes to export control laws, trade regulations and other trade requirements. As of December 31, 2022 and through the date we filed this Annual Report, there have been a number of additional trade restrictions introduced.
The extent and duration of the direct and indirect impact of macroeconomic events on our business, results of operations and overall financial position remain uncertain and depend on future developments. We closely monitor changes to export control laws, trade regulations and other trade requirements.
In May 2022, we entered into a long-term supply agreement in order to secure manufacturing production capacity for silicon wafers over a four-year period. As of December 31, 2022, the Company had made prepayments under this agreement of $170.0 million.
Our purchase obligations primarily consist of wafer and other inventory purchases, assembly and other manufacturing services, construction of manufacturing and R&D facilities, purchases of production and other equipment, and license arrangements. In May 2022, we entered into a long-term supply agreement in order to secure manufacturing production capacity for silicon wafers over a four-year period.
This increase was primarily due to higher sales in applications for smart meters and industrial automation. Revenue from the communications market increased $87.4 million, or 53.2%, from the same period in 2021. The increase was primarily due to higher sales of products for both 5G and satellite communications infrastructure applications.
This decrease primarily reflected lower sales in applications for industrial automation, security and power sources. Revenue from the communications market decreased $46.5 million, or 18.5%, from the same period in 2022. The decrease was a result of lower 4G and 5G infrastructure sales. Revenue from the consumer market decreased $84.8 million, or 26.6%, from the same period in 2022.
The decrease in the effective tax rate relative to the federal statutory rate was partially offset by the inclusion of the global intangible low-taxed income (“GILTI”) tax. The income tax expense for the year ended December 31, 2021 was $30.2 million, or 11.1% of pre-tax income.
The decrease in the effective tax rate relative to the federal statutory rate was partially offset by the inclusion of the global intangible low-taxed income (“GILTI”) tax, the addition of a valuation allowance against China deferred tax assets arising from the indefinite extension of the R&D super deduction policy in China, and excess tax benefits from stock-based compensation.