Biggest changeResults of Operations Results of the Company’s Operations for the Years Ended December 31, 2024 and 2023 The following table sets forth our consolidated statements of operations data for the years ended December 31, 2024 and 2023 ( in thousands, except percentages ): Year Ended December 31, Change 2024 2023 $ % Revenue $ 119,425 $ 60,505 $ 58,920 97 % Operating expenses: Cost of revenue, exclusive of depreciation and amortization 109,934 61,918 48,016 78 % Technology and development 24,041 20,850 3,191 15 % Sales and marketing 7,514 10,028 (2,514 ) (25 )% General and administrative 29,851 100,669 (70,818 ) (70 )% Depreciation and amortization 8,341 3,762 4,579 122 % Impairment of goodwill — 60,045 (60,045 ) (100 )% Total operating expenses 179,681 257,272 (77,591 ) (30 )% Operating loss (60,256 ) (196,767 ) 136,511 (69 )% Other income (expense): Changes in fair value of financial instruments carried at fair value, net (11,732 ) (50,230 ) 38,498 (77 )% Interest expense (8,617 ) (2,969 ) (5,648 ) (190 )% Gain (loss) on extinguishment of debt 5,398 (326 ) 5,724 (1,756 )% Other income (expense) 12 (3,708 ) 3,720 (100 )% Total other income (expense), net (14,939 ) (57,233 ) 42,294 (74 )% Loss before income taxes (75,195 ) (254,000 ) 178,805 (70 )% Income tax benefit 287 3,304 (3,017 ) (91 )% Net loss $ (74,908 ) $ (250,696 ) $ 175,788 (70 )% 58 Revenue Revenue increased by $58.9 million, 97%, for the year ended December 31, 2024, compared to the year ended December 31, 2023.
Biggest changeResults of Operations Results of the Company’s Operations for the Years Ended December 31, 2025 and 2024 The following table sets forth our consolidated statements of operations data for the years ended December 31, 2025 and 2024 ( in thousands, except percentages ): Year Ended December 31, Change 2025 2024 $ % Revenue $ 106,557 $ 119,425 $ (12,868 ) (11 )% Operating expenses: Cost of revenue, exclusive of depreciation and amortization 102,376 109,934 (7,558 ) (7 )% Technology and development 10,299 24,041 (13,742 ) (57 )% Sales and marketing 8,177 7,514 663 9 % General and administrative 53,285 29,851 23,434 79 % Depreciation and amortization 9,294 8,341 953 11 % Total operating expenses 183,431 179,681 3,750 2 % Operating loss (76,874 ) (60,256 ) (16,618 ) 28 % Other income (expense): Changes in fair value of financial instruments carried at fair value, net (8,574 ) (11,732 ) 3,158 (27 )% Interest expense (13,205 ) (8,617 ) (4,588 ) 53 % Gain (loss) on extinguishment of debt (3,904 ) 5,398 (9,302 ) (172 )% Other income (expense) (8,379 ) 12 (8,391 ) n/m Total other expense, net (34,062 ) (14,939 ) (19,123 ) 128 % Loss before income taxes (110,936 ) (75,195 ) (35,741 ) 48 % Income tax benefit 380 287 93 32 % Net loss $ (110,556 ) $ (74,908 ) $ (35,648 ) 48 % n/m - not meaningful 59 Revenue Revenue decreased by $12.9 million, or 11%, for the year ended December 31, 2025, compared to the year ended December 31, 2024.
As discussed in Note 15, Commitments and Contingencies , on May 15, 2018, the Company received a notice of a tax lien filing from the Internal Revenue Service (“IRS”) for unpaid federal excise taxes for the quarterly periods from October 2016 through September 2017 in the amount of $1.9 million, including penalties and interest as of the date of the notice.
As discussed in Note 13, Commitments and Contingencies , on May 15, 2018, the Company received a notice of a tax lien filing from the Internal Revenue Service (“IRS”) for unpaid federal excise taxes for the quarterly periods from October 2016 through September 2017 in the amount of $1.9 million, including penalties and interest as of the date of the notice.
The Company continues to actively 57 monitor its financial condition, liquidity, operations, suppliers, industry and workforce. As the Company does not currently, and does not intend in the foreseeable future to, enter into any transactions to hedge fuel costs, or otherwise fix labor costs, the Company will continue to be fully exposed to fluctuations in prices of material operating costs.
The Company continues to actively monitor its financial condition, liquidity, operations, suppliers, industry and workforce. As the Company does not currently, and does not intend in the foreseeable future to, enter into any transactions to hedge fuel costs, or otherwise fix labor costs, the Company will continue to be fully exposed to fluctuations in prices of material operating costs.
For historical financial information of Southern prior to the Acquisition Date, refer to the sections entitled “Unaudited Condensed Consolidated Financial Statements for Southern Airways Corporation” and “Audited Financial Statements for Southern Airways Corporation as of December 31, 2022 and 2021 and for the Years Ended December 31, 2022 and 2021” in the Form 8-K/A filed August 29, 2023. 2024 Operating Environment Since 2020, the Company has been incurring expenses to support the development of the technology of its digital platform with the aim of enabling the regional air mobility market to operate at scale and to enhance the user’s ability to make informed decisions based on multiple first and third party data sources as well as connected aircraft, and the Company expects these development expenses to continue to be incurred.
For historical financial information of Southern prior to the Acquisition Date, refer to the sections entitled “Unaudited Condensed Consolidated Financial Statements for Southern Airways Corporation” and “Audited Financial Statements for Southern Airways Corporation as of December 31, 2022 and 2021 and for the Years Ended December 31, 2022 and 2021” in the Form 8-K/A filed August 29, 2023. 2025 Operating Environment Since 2020, the Company has been incurring expenses to support the development of the technology of its digital platform with the aim of enabling the regional air mobility market to operate at scale and to enhance the user’s ability to make informed decisions based on multiple first and third party data sources as well as connected aircraft, and the Company expects these development expenses to continue to be incurred.
Southern Acquisition On July 27, 2023 (the “Acquisition Date”), immediately prior to the Company’s listing on the NYSE and after the consummation of the Internal Reorganization, the Company effected the acquisition of all equity interests of Southern Airways Corporation (“Southern”), whereby a wholly-owned subsidiary of the Company merged with and into Southern, after which Southern became a wholly-owned subsidiary of the Company (the “Southern Acquisition”).
Southern Acquisition On July 27, 2023 (the “Acquisition Date”), immediately prior to the Company’s listing on the NYSE and after the consummation of the Internal Reorganization, the Company effected the acquisition of all equity interests of Southern Airways Corporation (“Southern”), whereby a wholly-owned subsidiary of the Company merged with and into Southern, after which Southern became a 57 wholly-owned subsidiary of the Company (the “Southern Acquisition”).
Key Operating Measures In addition to the data presented in our consolidated financial statements, we use the following key operating measures commonly used throughout the air transport industry to evaluate our business, measure our performance, develop financial forecasts and make strategic decisions. The following table summarizes key operating measures for each period presented below, which are unaudited.
Key Operating Measures 58 In addition to the data presented in our consolidated financial statements, we use the following key operating measures commonly used throughout the air transport industry to evaluate our business, measure our performance, develop financial forecasts and make strategic decisions. The following table summarizes key operating measures for each period presented below, which are unaudited.
A Monte Carlo simulation model requires the use of various assumptions, including the 65 underlying stock price, volatility, expiration term, and the risk-free interest rate as of the valuation date, corresponding to the length of time remaining in the performance period, and expected dividend yield.
A Monte Carlo simulation model requires the use of various assumptions, including the underlying stock price, volatility, expiration term, and the risk-free interest rate as of the valuation date, corresponding to the length of time remaining in the performance period, and expected dividend yield.
These strategies may include, but are not limited to, obtaining additional equity financing, issuing additional debt or entering into other financing arrangements, forming joint venture and other partnerships, and restructuring of operations to grow revenues and decrease expenses.
These strategies may include, but are not limited to, obtaining additional equity financing, issuing additional debt or entering into other financing arrangements, forming joint venture and other partnerships, and restructuring operations to grow revenues and decrease expenses.
In addition, the Company incurred greater than expected losses and negative cash flows from operating activities during 2024 due to inefficient aircraft utilization, primarily caused by an underutilization of pilots and a shortage of maintenance personnel and critical aircraft components, which, in aggregate, have challenged the Company’s ability to serve its customers as desired and, in turn, cover expenses, specifically related to its scheduled service offerings.
In addition, the Company incurred greater than expected losses and negative cash flows from operating activities during 2025 due to inefficient aircraft utilization, primarily caused by an underutilization of pilots and a shortage of maintenance personnel and critical aircraft components, which, in aggregate, have challenged the Company’s ability to serve its customers as desired and, in turn, cover expenses, specifically related to its scheduled service offerings.
Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled.
Deferred tax assets and liabilities are measured using enacted tax rates expected to 66 apply to taxable income in the years in which those temporary differences are expected to be recovered or settled.
Following the Southern Acquisition, the Company operates a combined regional airline network servicing U.S. cities across the Mid-Atlantic, Gulf South, Midwest, Rocky Mountains, West Coast, New England and Hawaii. The results of operations of Southern are included in the Company’s consolidated financial statements from the date of acquisition, July 27, 2023, through December 31, 2024.
Following the Southern Acquisition, the Company operates a combined regional airline network servicing U.S. cities across the Mid-Atlantic, Gulf South, Midwest, Rocky Mountains, West Coast, New England and Hawaii. The results of operations of Southern are included in the Company’s consolidated financial statements from the date of acquisition, July 27, 2023, through December 31, 2025.
In addition to incremental costs incurred in the execution of the Company’s near and long-term business strategy, the Company has experienced inflationary pressures, which have materially increased the Company’s costs for aircraft fuel, wages and benefits and other goods and services critical to its operations during 2023 and 2024 and believes perceived recessionary risks have impacted the 2024 results.
In addition to incremental costs incurred in the execution of the Company’s near and long-term business strategy, the Company has experienced inflationary pressures, which have materially increased the Company’s costs for aircraft fuel, wages and benefits and other goods and services critical to its operations during 2024 and 2025 and believes perceived recessionary risks have impacted the 2025 results.
These factors raise substantial doubt about the Company’s ability to continue as a going concern. The consolidated financial statements do not include any adjustments 62 to reflect the possible future effects on the recoverability and classification of assets or the amounts and classification of liabilities that may result from the outcome of this uncertainty.
These factors raise substantial doubt about the Company’s ability to continue as a going concern. The accompanying consolidated financial statements do not include any adjustments to reflect the possible future effects on the recoverability and classification of assets or the amounts and classification of liabilities that may result from the outcome of this uncertainty.
The Company’s utilization of these transition periods may make it difficult to compare our financial statements to those of non-emerging growth companies and other emerging growth companies that have opted out of the transition periods afforded under the JOBS Act. 68
The Company’s utilization of these transition periods may make it difficult to compare our financial statements to those of non-emerging growth companies and other emerging growth companies that have opted out of the transition periods afforded under the JOBS Act. 67
If the Company is unable to raise sufficient financing when needed or events or circumstances occur such that the Company does not meet its strategic plans or, the Company will be required to take additional measures to conserve liquidity, which could include, but not necessarily limited to, reducing certain spending, altering or scaling back development plans, including plans to equip regional airline operations with fully-electric or hybrid-electric aircraft, or reducing funding of capital expenditures, which could have a material adverse effect on the Company’s financial position, results of operations, cash flows, and ability to achieve its intended business objectives.
If the Company is unable to raise sufficient financing when needed or events or circumstances occur such that the Company does not meet its strategic plans, the Company will be required to take additional measures to conserve liquidity, which could include, but are not necessarily limited to, reducing certain spending, altering or scaling back development plans, including plans to further develop our software technology platforms and to further develop our software technology platforms and to equip our regional airline operations with fully-electric or hybrid-electric aircraft, or reducing funding of capital expenditures, which could have a material adverse effect on the Company’s financial position, results of operations, cash flows, and ability to achieve its intended business objectives.
The Company was incorporated in 2021 and became the ultimate parent of both Surf Air Global Limited (“Surf Air”) and Southern Airways Corporation (“Southern”) in July of 2023 following the Company’s public listing on the New York Stock Exchange (“NYSE”). For 2024, the Company’s combined network served over 370,000 passengers with approximately 72,000 scheduled departures.
The Company was incorporated in 2021 and became the ultimate parent of both Surf Air Global Limited (“Surf Air”) and Southern Airways Corporation (“Southern”) in July of 2023 following the Company’s public listing on the New York Stock Exchange (“NYSE”). For 2025, the Company’s combined network served over 300,000 passengers with approximately 62,000 scheduled departures.
The Company has also defaulted on its property tax obligations in various California counties in relation to fixed assets, plane usage and aircraft leases. The Company’s total outstanding property tax liability including penalties and interest is approximately $1.6 million as of December 31, 2024.
The Company has also defaulted on its property tax obligations in various California counties in relation to fixed assets, plane usage and aircraft leases. The Company’s total outstanding property tax liability including penalties and interest is approximately $0.9 million as of December 31, 2025.
Additionally, the Company has the ability to draw an additional $298.6 million under the Share Purchase Agreement, subject to daily volume limitations and GEM’s requirement to hold less than 10% of the fully-diluted shares of the Company. As of December 31, 2024, GEM held 0% of the then fully-diluted shares of the Company.
Additionally, the Company has the ability to draw an additional $251.4 million under the Share Purchase Agreement, subject to daily volume limitations and GEM’s requirement to hold less than 10% of the fully-diluted shares of the Company. As of December 31, 2025, GEM held 0% of the then fully-diluted shares of the Company.
Options, and other like awards, to purchase the Company’s common stock were also adjusted in accordance with their terms to reflect the reverse stock split. Adjustments resulting from the reverse stock split have been retroactively reflected as of all periods presented herein.
Fractional shares resulting from the reverse stock split were settled by cash payment. Options, and other like awards, to purchase the Company’s common stock were also adjusted in accordance with their terms to reflect the reverse stock split. Adjustments resulting from the reverse stock split have been retroactively reflected as of all periods presented herein.
The airline industry and the Company’s operations are cyclical and highly competitive. The Company’s success is largely dependent on the ability to raise debt and equity capital, achieve a high level of aircraft and crew utilization, increase flight services and the number of passengers flown, and continue to expand into regions profitably throughout the United States.
The Company’s success is largely dependent on the ability to raise debt and equity capital, achieve a high level of aircraft and crew utilization, increase flight services and the number of passengers flown, and continue to expand into regions profitably throughout the United States.
At December 31, 2024, the daily volume limitations under the Share Purchase Agreement significantly restricted our ability to take additional draws under the Share Purchase Agreement to approximately 293 thousand shares per draw. Additionally, the Company’s ability to draw upon the Share Purchase Agreement is contingent on the Company’s common stock being listed on a national exchange.
At December 31, 2025, the daily volume limitations under the Share Purchase Agreement significantly restricted our ability to take additional draws under the Share Purchase Agreement to approximately 13.9 million shares per draw. Additionally, the Company’s ability to draw upon the Share Purchase Agreement is contingent on the Company’s common stock being listed on a national exchange.
These arrangements include commitments for payments pursuant to licensing agreements, which routinely contain provisions for guarantees or minimum expenditures during the terms of the contracts. The Company also enters into long-term debt arrangements that include periodic interest and principal payments. Additionally, the Company routinely enters into noncancelable lease agreements for aircraft and operating locations, which contain minimum rental payments.
These arrangements include commitments for payments pursuant to licensing agreements, which routinely contain provisions for guarantees or minimum expenditures during the terms of the contracts. The Company also enters into long-term debt arrangements that include periodic interest and principal payments.
Such fair values are classified within Level 3 of the fair value hierarchy, as the valuations contain significant unobservable inputs, including assumptions of the present value of future cash flows, the use of these assets, as well as estimated disposition value. The Company’s convertible securities and Simple Agreements for Future Equity (“SAFE”) notes are carried at fair value .
Such fair values are classified within Level 3 of the fair value hierarchy, as the valuations contain significant unobservable inputs, including assumptions of the present value of future cash flows, the use of these assets, as well as estimated disposition value. The Company’s convertible notes are carried at fair value .
The Company’s capital expenditures in 2024 and in 2023 were limited to payments made for aircraft purchases under the TAI Aircraft Supply Agreement, aircraft supply deposits, aircraft parts, engines, immaterial purchases and internally developed software. The Company intends to invest significantly in expansion of its network footprint and in development of electrified powertrain technology and its commercial platform.
The Company’s capital expenditures in 2025 and in 2024 were limited to payments made for aircraft parts, engines, and internally developed software. The Company intends to invest significantly in expansion of its network footprint and in development of electrified powertrain technology and its commercial platform.
We will recognize total stock-based compensation expense of $0.1 million over the derived service period. If the stock price goals are met sooner than the derived service period, we will adjust our stock-based compensation expense to reflect the cumulative expense associated with the vested award.
If the stock price goals are met sooner than the derived service period, we will adjust our stock-based compensation expense to reflect the cumulative expense associated with the vested award.
The Company is currently in default of these obligations, with a total outstanding federal excise tax liability, including accrued penalties and interest, of $7.7 million included in accrued expenses and other current liabilities on the Consolidated Balance Sheet as of December 31, 2024.
The Company is currently in default of these obligations, with a total outstanding federal excise tax liability, including accrued penalties and interest, of $9.9 million included in accrued expenses and other current liabilities on the Consolidated Balance Sheet as of December 31, 2025. The Company is currently considering available options regarding settlement of its federal excise tax liability.
Operating Expenses Cost of Revenue, exclusive of depreciation and amortization Cost of revenue increased by $48 million, or 78%, for the year ended December 31, 2024, compared to the year ended December 31, 2023.
Operating Expenses Cost of Revenue, exclusive of depreciation and amortization Cost of revenue decreased by $7.6 million, or 7%, for the year ended December 31, 2025, compared to the year ended December 31, 2024.
Cash Flow from Investing Activities For the year ended December 31, 2024, net cash used in investing activities was $3.6 million, a decrease of $3.5 million compared to the year ended December 31, 2023, driven by an increase of $10.5 million in cash from sales of fixed assets and partially offset by an increase in fixed asset purchases of $4.2 million and $2.2 million in internal use software development costs.
Cash Flow from Investing Activities For the year ended December 31, 2025, net cash used in investing activities was $5.7 million, an increase of $2.1 million compared to the year ended December 31, 2024, driven by a decrease of $7.8 million in cash from sales of fixed assets and partially offset by an increase in fixed asset purchases of $5.8 million.
For example, perceived recessionary risks may cause companies and individuals to reduce travel for either professional or personal reasons, and drive higher prices in the supply chain the Company relies upon.
For example, perceived recessionary risks, as a result of tariff or trade uncertainty or otherwise, as well as shifting travel patterns, may cause companies and individuals to reduce travel for either professional or personal reasons, and drive higher prices in the supply chain the Company relies upon.
Deferred income tax assets and liabilities are recognized for the future tax consequences attributable to differences between the consolidated financial statements carrying amounts of existing assets and liabilities and their respective tax bases and tax credit carryforwards.
Income taxes are accounted for under the asset and liability method in accordance with U.S. GAAP. Deferred income tax assets and liabilities are recognized for the future tax consequences attributable to differences between the consolidated financial statements carrying amounts of existing assets and liabilities and their respective tax bases and tax credit carryforwards.
Cash Flow Analysis The following table presents a summary of our cash flows ( in thousands ): Year Ended December 31, 2024 2023 Net cash provided by (used in): Operating activities $ (54,322 ) $ (64,371 ) Investing activities (3,609 ) (7,100 ) Financing activities 77,175 72,990 Net change in cash and cash equivalents $ 19,244 $ 1,519 Cash Flow from Operating Activities For the year ended December 31, 2024, net cash used in operating activities was $54.3 million, driven by a net loss of $74.9 million, net reversals of $6.0 million in non-cash stock-based compensation, and a $4.3 million reduction in deferred revenue.
Cash Flow Analysis The following table presents a summary of our cash flows ( in thousands ): Year Ended December 31, 2025 2024 Net cash provided by (used in): Operating activities $ (64,160 ) $ (54,322 ) Investing activities (5,711 ) (3,609 ) Financing activities 70,959 77,175 Net change in cash, cash equivalents and restricted cash $ 1,088 $ 19,244 Cash Flow from Operating Activities For the year ended December 31, 2025, net cash used in operating activities was $64.2 million, driven by a net loss of $110.6 million and net reversals of $10.1 million in non-cash stock-based compensation.
Cash Flow from Financing Activities For the year ended December 31, 2024, net cash provided by financing activities was $77.2 million due to proceeds from borrowings under long term debt agreements, net of repayments, of $36.2 million, borrowings from related parties of $34.5 million, net proceeds of $2.8 million from collateralized borrowings, and proceeds from the GEM share purchase agreement of $3.9 million.
For the year ended December 31, 2024, net cash provided by financing activities was $77.2 million primarily due to proceeds from borrowings under long term debt agreements, net of repayments, of $36.2 million, borrowings from related parties of $34.5 million, net proceeds of $2.8 million from collateralized borrowings, and proceeds from the GEM share purchase agreement of $3.9 million. 61 Net cash provided by financing activities decreased period over period by $6.2 million, primarily driven by a $121 million decrease in borrowings under long-term debt and related party lending agreements, compounded by $38.6 million of repayments under the GEM Mandatory Convertible Security, and $4 million of repayments under convertible note agreements.
In total, 2,321,423 shares of Company common stock were issued to former Southern shareholders while the remaining amount was paid out in cash in lieu of fractional shares to those shareholders on a pro rata basis.
In total, 2,321,423 shares of Company common stock were issued to former Southern shareholders while the remaining amount was paid out in cash in lieu of fractional shares to those shareholders on a pro rata basis. Southern is a scheduled service commuter airline serving cities across the United States and commenced flight operations in June 2013.
The Company may finance these aircraft through Jetstream Aviation Capital, with which the Company currently has a sale-leaseback financing arrangement of up to $450 million, and additional debt facilities that it intends to obtain.
As of December 31, 2025, the Company had made deposits of $2.0 million for aircraft that are scheduled to be delivered in 2026. The Company may finance these aircraft through Jetstream Aviation Capital, with which the Company currently has a sale-leaseback financing arrangement of up to $450 million, and additional debt facilities that it intends to obtain.
The grant date is deemed to be the appropriate measurement date for stock options issued to employees and non-employees. We have elected to account for forfeitures as they occur.
Stock Options and Warrants We use the Black-Scholes option pricing model to estimate the fair value of the stock options and warrants at the measurement date. The grant date is deemed to be the appropriate measurement date for stock options issued to employees and non-employees. We have elected to account for forfeitures as they occur.
If factors change and different assumptions are used, the Company’s results could reflect material fluctuation in Changes in fair value of financial instruments carried at fair value, net on the Consolidated Statements of Operations.
The Company elected the fair value option for certain convertible notes, which requires them to be remeasured to fair value each period. If factors change and different assumptions are used, the Company’s results could reflect material fluctuation in Changes in fair value of financial instruments carried at fair value, net on the Consolidated Statements of Operations.
For valuations completed subsequent to the direct listing, the fair value of each share of underlying common stock is based on the closing price of our common stock as reported on the date immediately preceding the date of grant. • Risk-Free Interest Rate —The yield on actively traded non-inflation indexed U.S.
The use of the Black-Scholes option pricing model requires the use of subjective assumptions, including the following: • Fair Value of Common Stock —the fair value of each share of underlying common stock is based on the closing price of our common stock as reported on the date immediately preceding the date of grant. • Risk-Free Interest Rate —The yield on actively traded non-inflation indexed U.S.
Level 2 Inputs other than quoted prices included in Level 1, that are observable for the asset or liability, either directly or indirectly, such as quoted market prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the asset or liability.
Fair value measurements are based on a fair value hierarchy, based on three levels of inputs, of which the first two are considered observable and the last unobservable, which are the following: Level 1 Inputs are unadjusted, quoted prices for identical assets or liabilities in active markets at the measurement date. 65 Level 2 Inputs other than quoted prices included in Level 1, that are observable for the asset or liability, either directly or indirectly, such as quoted market prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the asset or liability.
Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations. The following discussion and analysis reflects the historical results of operations and financial position of Surf Air Mobility Inc., and its consolidated subsidiaries.
Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations. The following discussion and analysis reflects the historical results of operations and financial position of Surf Air Mobility Inc., and its consolidated subsidiaries. References in this section to the “Company”, “we” or “our” refer to Surf Air Mobility Inc. and its consolidated subsidiaries, including Southern Airways Corporation.
Other Income/(Expense) Other expense, net decreased by $42.3 million, or -74%, for the year ended December 31, 2024 compared to the year ended December 31, 2023.
Other Income/(Expense) Other expense, net increased by $19.1 million, or 128%, for the year ended December 31, 2025 compared to the year ended December 31, 2024.
GAAP requires management to make estimates and assumptions that affect the amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements, and the reported amounts of income and expense during the reported period. 63 Our management believes that the accounting estimates listed below are those that are most critical to the portrayal of our financial condition and results of operations, and that require management’s most difficult, subjective and complex judgments in estimating the effect of inherent uncertainties.
Our management believes that the accounting estimates listed below are those that are most critical to the portrayal of our financial condition and results of operations, and that require management’s most difficult, subjective and complex judgments in estimating the effect of inherent uncertainties.
The Company is in the process of remediating the late filing and payment of the property taxes due to Los Angeles County. As of December 31, 2024, the Company was also in default of the Simple Agreements for Future Equity with Token allocation (“SAFE-T”) note, where the note matured in July 2019 (see Note 11, Financing Arrangements ).
As of December 31, 2025, the Company was also in default of the Simple Agreements for Future Equity with Token allocation (“SAFE-T”) note, where the note matured in July 2019 (see Note 9, Financing Arrangements ).
These tax and debt obligations are classified as current liabilities on the Company’s Consolidated Balance Sheets as of December 31, 2024 and December 31, 2023.
In addition, the Company is currently in default of certain excise and property taxes as well as certain debt obligations. These tax and debt obligations are classified as current liabilities on the Company’s Consolidated Balance Sheets as of December 31, 2025 and December 31, 2024.
Overview of the Business Surf Air Mobility Inc. (“Surf Air Mobility”, the “Company”, “us”, “we” or “our”) is a regional air mobility platform that aims to transform regional flying. The Company is currently comprised of its Air Mobility business, with the goal of further developing and enhancing its service and technology offerings through its Air Technology business.
Overview of the Business Surf Air Mobility Inc. (“Surf Air Mobility”, the “Company”, “us”, “we” or “our”), a Delaware corporation, is a regional air mobility platform that aims to transform regional flying.
Year Ended December 31, Change 2024 2023 Increase/ Decrease % Scheduled Flight Hours (1) 67,918 34,388 33,530 98 % On-Demand Flights (2) 3,515 2,831 684 24 % Scheduled Passengers (3) 353,077 176,131 176,946 100 % Headcount (4) 703 833 (130 ) (16 )% Scheduled Departures (5) 69,000 31,476 37,524 119 % (1) Scheduled Flight Hours represent actual flight time from takeoff through landing that were flown in the period and excludes departures for maintenance or repositioning events.
Year Ended December 31, Change 2025 2024 Increase/ Decrease % Scheduled Flight Hours (1) 56,022 67,918 (11,896 ) (18 )% On-Demand Flights (2) 2,929 3,515 (586 ) (17 )% Scheduled Passengers (3) 299,639 353,077 (53,438 ) (15 )% Headcount (4) 573 703 (130 ) (18 )% Scheduled Departures (5) 60,117 69,000 (8,883 ) (13 )% (1) Scheduled Flight Hours represent actual flight time from takeoff through landing that were flown in the period and excludes departures for maintenance or repositioning events.
For the year ended December 31, 2023, net cash provided by financing activities was $73.0 million from proceeds from the issuance of preferred shares, common stock, and exercise of share options of $30.2 million, proceeds from borrowings of SAFE and convertible notes of $11.7 million, proceeds from borrowings due to related parties of $22.4 million, and proceeds from the GEM share purchase agreement of $10.2 million.
Cash Flow from Financing Activities For the year ended December 31, 2025, net cash provided by financing activities was $71.0 million primarily due to proceeds from borrowings under convertible note agreements of $65 million, proceeds from the issuance of common stock of $51.4 million, and proceeds of $47.2 million under the GEM Share Purchase Agreement.
Southern is a scheduled service commuter airline serving cities across the United States that is headquartered in Palm Beach, Florida and commenced flight operations in June 2013. It is a certified Part 135 operator that operates a fleet of over 50 aircraft, including the Cessna Caravan, the Cessna Grand Caravan, the Pilatus PC-12, and the Tecnam Traveller.
It is a certified Part 135 operator that operates a fleet of over 50 aircraft, including the Cessna Caravan, the Cessna Grand Caravan, the Pilatus PC-12, and the Tecnam Traveller.
Expansion of the network will require acquisition of aircraft over the next five years with an expected cost of approximately $0.3 billion. The Company has an order in place with TAI for 90 Cessna Grand Caravan aircraft with an option for an additional 26 Cessna Grand Caravan aircraft, with expected delivery taken over the next five years.
Expansion of the network will require acquisition of aircraft over the next five years with an expected cost of approximately $0.3 billion.
Under the market approach, the principal assumption included an estimate of a control premium. 64 Stock-Based Compensation We grant stock options, warrants, restricted stock units (“RSUs”) and performance-based restricted stock units (“PRSUs”) to certain employees, as well as non-employees (including directors and others who provide services to us) under our stock plans.
Stock-Based Compensation We grant stock options, warrants, restricted stock units (“RSUs”) and performance-based restricted stock units (“PRSUs”) to certain employees, as well as non-employees (including directors and others who provide services to us) under our stock plans. We recognize compensation expense resulting from stock-based payments over the period for which the requisite services are provided.
The SAFE-T note had an outstanding principal amount of $0.5 million as of December 31, 2024 and December 31, 2023. 61 The accompanying consolidated financial statements have been prepared assuming the Company will continue as a going concern. The going concern assumption contemplates the realization of assets and satisfaction of liabilities in the normal course of business.
The accompanying consolidated financial statements have been prepared assuming the Company will continue as a going concern. The going concern assumption contemplates the realization of assets and satisfaction of liabilities in the normal course of business. The airline industry and the Company’s operations are cyclical and highly competitive.
Depreciation and Amortization Depreciation and amortization expenses increased by $4.6 million, or 122%, for the year ended December 31, 2024, compared to the year ended December 31, 2023 primarily due to depreciation of engines and aircraft, as well as amortization of intangibles acquired in the Southern Acquisition for the full twelve months during year ended December 31, 2024.
Depreciation and Amortization Depreciation and amortization expenses increased by $1.0 million, or 11%, for the year ended December 31, 2025, compared to the year ended December 31, 2024 primarily due to depreciation of engines and aircraft.
As a result of the reverse stock split, every seven shares of the Company’s old common stock were converted into one share of the Company’s new common stock. Fractional shares resulting from the reverse stock split were settled by cash payment.
Reverse Stock Split On August 16, 2024, the Company effected a seven-for-one reverse stock split for all shares of the Company’s common stock issued and outstanding. As a result of the reverse stock split, every seven shares of the Company’s old common stock were converted into one share of the Company’s new common stock.
The increase in revenue was attributable to the following changes in on-demand and scheduled revenues (in thousands, except percentages): Year Ended December 31, Change 2024 2023 $ % Scheduled $ 90,735 $ 39,397 $ 51,338 130 % On-Demand 28,690 21,108 7,582 36 % Total revenue $ 119,425 $ 60,505 $ 58,920 97 % Scheduled revenue increased by $51.3 million, or 130%, for the year ended December 31, 2024, compared to the year ended December 31, 2023.
The decrease in revenue was attributable to the following changes in on-demand and scheduled revenues (in thousands, except percentages): Year Ended December 31, Change 2025 2024 $ % Scheduled $ 76,989 $ 90,735 $ (13,746 ) (15 )% On-Demand 29,568 28,690 878 3 % Total revenue $ 106,557 $ 119,425 $ (12,868 ) (11 )% Scheduled revenue decreased by $13.7 million, or 15%, for the year ended December 31, 2025, compared to the year ended December 31, 2024.
Net Loss The total decrease in net loss of $175.8 million for the year ended December 31, 2024 compared to the year ended December 31, 2023 is primarily due to a reduction of expenses as described above, including reductions in goodwill impairment of $60.0 million, decreases in general and administrative expenses of $70.8 million, and decreases in other expenses of $42.3 million.
Net Loss The total increase in net loss of $36.0 million for the year ended December 31, 2025 compared to the year ended December 31, 2024 is primarily due to the $12.9 million decrease in revenues and $19.1 million increase in other expenses, as described above.
These and the Founder PRSUs will vest upon the satisfaction of a service condition and the achievement of certain stock price goals.
In October 2023, we granted 28,571 additional PRSUs as part of a hiring grant to an executive under the 2023 Plan. These and the Founder PRSUs will vest upon the satisfaction of a service condition and the achievement of certain stock price goals.
Additionally, Los Angeles County has imposed a tax lien on four of the Company’s aircraft due to the late filing of the Company’s 2022 property tax return. As of December 31, 2024, the amount of property tax, interest and penalties related to the Los Angeles County tax lien for all unpaid tax years was approximately $1.1 million.
Additionally, Los Angeles County had previously imposed a tax lien on four of the Company’s aircraft due to the late filing of the Company’s 2022 property tax return.
Sales and Marketing Sales and marketing expenses decreased by $2.5 million, or -25%, for the year ended December 31, 2024, compared to the year ended December 31, 2023, primarily due to a decrease in brand awareness and strategic digital marketing expenses of $0.5 million and a $2.0 million decrease in management incentive plan expenses. 59 General and Administrative General and administrative expenses decreased by $70.8 million, or -70%, for the year ended December 31, 2024, compared to the year ended December 31, 2023.
Sales and Marketing Sales and marketing expenses increased by $0.7 million, or 9%, for the year ended December 31, 2025, compared to the year ended December 31, 2024, primarily due to an increase in brand awareness and strategic digital marketing expenses during the year ended December 31, 2025.
The Company has historically funded its operations and capital needs primarily through the net proceeds received from the issuance of various debt instruments, convertible securities, related party funding, and preferred and common share financing arrangements. During the year ended December 31, 2023, the Company received $8 million under a convertible note purchase agreement with Partners for Growth V, L.P.
The Company historically has funded its operations and capital needs primarily through the net proceeds received from the issuance of various debt instruments, convertible securities, related party funding, and preferred and common stock financing arrangements and expects to continue to do so, as available.
These operating outflows were partially offset by non-cash changes in fair value of financial instruments of $50.2 million, non-cash impairment of goodwill of $60.0 million, non-cash stock-based compensation expenses of $48.3 million, increases in accounts payable and other liabilities of $28.6 million, increases in depreciation and amortization of $1.1 million, and increases in prepaid expenses and other current assets of $0.7 million. 60 In 2023, the Southern Acquisition resulted in net cash outflows from operating activities of $3.9 million.
These operating outflows were partially offset by $10.1 million in non-cash stock-based compensation, non-cash lease expense of $10.4 million, loss on extinguishment of debt of $3.9 million, changes in fair value of financial instruments of $8.6 million, increases in accrued expenses and other current liabilities of $3.4 million, and depreciation and amortization expenses of $9.3 million.
For the year ended December 31, 2023, net cash used in operating activities was $64.4 million, driven by a net loss of $250.7 million and a $2.1 million reduction in operating lease liabilities.
For the year ended December 31, 2024, net cash used in operating activities was $54.3 million, driven by a net loss of $74.9 million, net reversals of $6.0 million in non-cash stock-based compensation, and a $4.3 million reduction in deferred revenue.
The following table summarizes the Company’s contractual commitments and obligations (in thousands) : Total 2025 2026 2027 2028 2029 Thereafter Long-term debt $ 64,593 $ 2,543 $ 2,676 $ 12,032 $ 45,669 $ 421 $ 1,252 Operating leases 20,690 6,561 4,603 3,158 2,219 2,218 1,931 Finance leases 1,537 389 372 336 264 176 — Repayment of related party term loans 50,000 — — — 50,000 — — Repayment of convertible notes 8,034 — — — 8,034 — — Minimum payments under aircraft supply agreements 283,800 3,000 13,200 13,200 13,200 62,700 178,500 Minimum payments under data license agreements 9,500 9,500 — — — — — Minimum payments under sales and marketing agreements 40,000 15,000 10,000 10,000 5,000 — — Minimum payments under technology development agreements 27,400 8,400 8,000 8,000 3,000 — — Total $ 505,554 $ 45,393 $ 38,851 $ 46,726 $ 127,386 $ 65,515 $ 181,683 Critical Accounting Policies and Estimates The consolidated financial statements of the Company are prepared in accordance with accounting principles generally accepted in the United States of America (“U.S.
Additionally, the Company routinely enters into noncancelable lease agreements for aircraft and operating locations, which contain minimum rental payments. 63 The following table summarizes the Company’s contractual commitments and obligations (in thousands) : Total 2026 2027 2028 2029 2030 Thereafter Long-term debt $ 17,101 $ 2,712 $ 12,029 $ 685 $ 157 $ 450 $ 1,068 Operating leases 15,041 5,011 3,524 2,358 2,219 1,929 — Finance leases 1,147 371 336 264 176 — — Repayment of related party term loans 100 — — — 100 — — Repayment of convertible notes 79,909 50,034 28,000 — 1,875 — — Minimum payments under aircraft supply agreements 283,800 13,200 13,200 13,200 13,200 62,700 168,300 Minimum payments under data license agreements 9,500 9,500 — — — — — Minimum payments under sales and marketing agreements 40,000 15,000 10,000 10,000 5,000 — — Minimum payments under technology development agreements 12,583 4,083 2,250 2,500 2,500 1,250 — Total $ 459,181 $ 99,911 $ 69,339 $ 29,007 $ 25,227 $ 66,329 $ 169,368 Critical Accounting Policies and Estimates The consolidated financial statements of the Company are prepared in accordance with accounting principles generally accepted in the United States of America (“U.S.
The primary drivers of the decrease in general and administrative expenses were a decrease in stock-based compensation expense of $54.3 million and decreases in transaction related costs associated with the Company’s public listing, of $22.0 million.
The primary drivers of the increase in general and administrative expenses were an increase in stock-based compensation expense of $16.0 million, an increase in transaction-related costs, associated with the Company’s convertible note financing in November 2025, of $6.4 million, and an increase in incentive bonus plan accruals of $4.2 million.
The SAFE-T note is subordinate to the Company’s Convertible Note Purchase Agreement (see Note 11, Financing Arrangements ); therefore, the Company cannot pay the outstanding balance prior to paying amounts due under the Convertible Note Purchase Agreement.
The SAFE-T note is subordinate to most of the Company’s debt obligations (see Note 9, Financing Arrangements ); therefore, the Company cannot pay the outstanding balance prior to paying amounts due under more senior debt obligations. The SAFE-T note had an outstanding principal amount of $0.5 million as of December 31, 2025 and December 31, 2024.
The most significant financial impacts of these cancellations have been lost revenues, lost operating income, decreased operating cash flows, and unplanned maintenance costs.
The most significant financial impacts of these cancellations were lost revenues, lost operating income, decreased operating cash flows, and unplanned maintenance costs. Following the passage of the FAA Reauthorization Act of 2024, and resulting changes to the administration of the Essential Air Service Program, we have been subject to increased competition for certain subsidized routes.
Subsequent to the direct listing, the fair market value of our common stock is based on its closing price as reported on the date of grant on the NYSE. 66 Fair Value Measurements The Company has a significant number of debt and equity transactions that are recorded at fair value.
Fair Value Measurements The Company has a significant number of debt and equity transactions that are recorded at fair value.
Net cash used in operating activities decreased period over period by $10.1 million, driven by a $175.8 million decrease in net loss.
Net cash used in operating activities increased period over period by $9.8 million, driven by a $36.0 million increase in net loss and a decrease of $6.0 million in changes in accrued expenses and other liabilities.
On-demand revenue increased by $7.6 million, or 36%, for the year ended December 31, 2024, compared to the year ended December 31, 2023.
General and Administrative General and administrative expenses increased by $23.4 million, or 79%, for the year ended December 31, 2025, compared to the year ended December 31, 2024.
Performance-Based Restricted Stock Units In July 2023, we granted PRSUs to each of our three founders (“Founder PRSUs”). In October 2023, we granted 28,571 additional PRSUs as part of a hiring grant to an executive under the 2023 Plan.
Restricted Stock Units The fair value of RSUs is estimated based on the fair value of our common stock on the grant date, which is based on the stock price on the day immediately preceding the date of grant. Performance-Based Restricted Stock Units In July 2023, we granted PRSUs to each of our three founders (“Founder PRSUs”).
Significant inputs in determining period end fair values of the Mandatory Convertible Security are as follows: • Remaining par amount; • Entity specific probability of default; • Implied volatility • Applicable discount rate • Share price at the measurement date Income Taxes The determination of tax strategies and positions, along with accounting for related income taxes requires interpretation of various federal and state tax policies and assessment of the likelihood of various outcomes.
Significant inputs in determining period end fair values of the Mandatory Convertible Security are as follows: • Remaining par amount; • Entity specific probability of default; • Implied volatility • Applicable discount rate • Share price at the measurement date The fair value of liability classified warrants has been estimated using a Monte Carlo simulation model due to the Company’s ability to force exercise when the price exceeds 150% of the exercise for 20 consecutive trading days.
Technology and Development Technology and development expenses increased by $3.2 million, or 15%, for the year ended December 31, 2024, compared to the year ended December 31, 2023. The increase was driven primarily by an increase in expenses related to software development work with Palantir of $4.1 million.
The decrease was driven primarily by a decrease of $12.5 million in expenses associated with the Textron data license agreement and a reduction in expenses related to software development work with Palantir of $1.3 million.
GAAP”). Use of Estimates The preparation of the consolidated financial statements in conformity with U.S.
GAAP”). Use of Estimates The preparation of the consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements, and the reported amounts of income and expense during the reported period.
These decreases were partially offset by an increase in professional fees not associated with the Company’s public listing of $3.5 million due to a higher volume of corporate transactions during the year ended December 31, 2024.
These increases were partially offset by a decrease in non-transaction professional fees of $2.1 million and decreases in other general expenses of $1.1 million during the year ended December 31, 2025.
Where appropriate, we calculated the expected term using the simplified method for “plain vanilla” stock option awards. • Expected Volatility —Given our limited trading history subsequent to the direct listing, there is limited substantive share price history to calculate volatility and, as such, we have elected to use an approximation based on the volatility of other comparable public companies, which compete directly with us, over the expected term of the options. • Dividend Yield —We have not issued regular dividends on common shares in the past nor do we expect to issue dividends in the future.
Historical volatility is calculated based on the daily closing prices of the Company’s common stock over a period commensurate with the expected term of the related instrument. 64 • Dividend Yield —We have not issued regular dividends on common shares in the past nor do we expect to issue dividends in the future.
Management believes that accounting for income taxes requires difficult, subjective and complex judgments and defenses. Income taxes are accounted for under the asset and liability 67 method in accordance with U.S. GAAP.
Income Taxes The determination of tax strategies and positions, along with accounting for related income taxes requires interpretation of various federal and state tax policies and assessment of the likelihood of various outcomes. Management believes that accounting for income taxes requires difficult, subjective and complex judgments and defenses.
This was largely offset by a decrease of $38.5 million in non-cash changes in fair value of financial instruments, a decrease of $60.0 million in impairment of goodwill charges, decreases of $54.2 million in non-cash stock-based compensation expenses, and a decrease of $10.5 million in changes in accrued expenses and other liabilities.
This was largely offset by an increase of $16.0 million in non-cash stock-based compensation expenses, a $9.3 million increase in loss on extinguishment of debt, and a $5.4 million increase in non-cash contract settlement expense.
Liquidity and Capital Resources The Company has incurred losses from operations, negative cash flows from operating activities and has a working capital deficit. In addition, the Company is currently in default of certain excise and property taxes as well as certain debt obligations.
These outflows were partially offset by $65 million in borrowings under convertible note agreements, proceeds from the issuance of common stock of $51.4 million, and proceeds of $47.2 million under the GEM Share Purchase Agreement. Liquidity and Capital Resources The Company has incurred losses from operations, negative cash flows from operating activities and has a working capital deficit.