Biggest changeThe trend and timing of our brand marketing expenses will depend in part on the timing of our expansion into new markets and other marketing campaigns. 43 Table of Contents Results of Operations The following table presents our consolidated statements of operations for the periods indicated: Year Ended December 31, 2024 % of Revenue 2023 % of Revenue (in thousands, except share and per share data) Revenue $ 248,693 100% $ 225,180 100% Operating expenses Cost of revenue 189,774 76% 183,058 81% Software development 3,184 1% 4,627 2% General and administrative 81,711 33% 95,174 42% Selling and marketing 7,950 3% 10,438 5% Total operating expenses 282,619 114% 293,297 130% Loss from operations (33,926) (68,117) Other non-operating income (expense) Interest income 7,214 8,442 Change in fair value of warrant liabilities (850) 2,125 Realized gain from sales of short-term investments — 8 Total other non-operating income 6,364 10,575 Loss before income taxes (27,562) (57,542) Income tax benefit (255) (1,466) Net loss $ (27,307) $ (56,076) Net loss per share, basic and diluted $ (0.35) $ (0.76) Weighted-average number of shares outstanding, basic and diluted 77,499,423 73,524,476 44 Table of Contents Comparison of the Years Ended December 31, 2024 and 2023 Revenue Disaggregated revenue by product line was as follows: Year Ended December 31, 2024 2023 % Change (in thousands, except percentages) Product Line: Short Distance $ 72,203 $ 70,700 2.1 % Jet and Other 29,673 27,876 6.4 % MediMobility Organ Transport 146,817 126,604 16.0 % Total Revenue $ 248,693 $ 225,180 10.4 % For the years ended December 31, 2024 and 2023, revenue increased by $23.5 million or 10.4%, from $225.2 million in 2023 to $248.7 million in 2024.
Biggest changeSee Note 5 to the consolidated financial statements included in this Annual Report on Form 10-K for additional information. 41 Table of Contents Results of Operations The following table presents our consolidated statements of operations for the periods indicated: Year Ended December 31, 2025 % of Revenue 2024 % of Revenue (in thousands, except share and per share data) Revenue $ 197,141 100% $ 146,817 100% Cost of revenue 156,015 79% 117,228 80% Gross Profit 41,126 21% 29,589 20% Operating expenses Selling, general and administrative 60,875 31% 50,856 35% Amortization of intangible assets 2,604 1% 1,258 1% Total operating expenses 63,479 32% 52,114 35% Operating loss from continuing operations (22,353) (22,525) Other non-operating income (loss) Interest income 4,241 7,214 Change in fair value of warrant liabilities 4,278 (850) Change in fair value of assets and other liabilities (1,037) — Realized loss from sales of short-term investments (5,195) — Total other non-operating income 2,287 6,364 Loss from continuing operations before income taxes (20,066) (16,161) Income tax expense (benefit) from continuing operations — — Net loss from continuing operations $ (20,066) $ (16,161) Net income (loss) from discontinued operations 61,413 (11,146) Net income (loss) $ 41,347 $ (27,307) Basic and diluted earnings (loss) per share Continuing operations $ (0.24) $ (0.21) Discontinued operations $ 0.75 $ (0.14) Total basic and diluted earnings (loss) per share $ 0.50 $ (0.35) Weighted-average number of shares outstanding, basic and diluted 82,092,345 77,499,423 42 Table of Contents Comparison of Years Ended December 31, 2025 and 2024 Revenue Disaggregated revenue by segment was as follows: Year Ended December 31, 2025 2024 % Change (in thousands, except percentages) Logistics Logistics $ 176,793 $ 146,817 20.4 % Clinical Transplant clinical $ 8,964 $ — NM(1) Other clinical 11,384 — NM(1) Total Clinical $ 20,348 $ — NM(1) Total revenue $ 197,141 $ 146,817 34.3 % (1) Percentage not meaningful.
Blade provides guaranteed flight commitments to some of our third-party operators through capacity purchase agreements (“CPAs”), which enable Blade to ensure dedicated access to such aircraft with enhanced crew availability, lower costs and, in many cases, the ability to unlock more favorable rates when flying more than the minimum number of hours we guarantee to the operator.
Strata provides guaranteed flight commitments to some of our third-party operators through capacity purchase agreements (“CPAs”), which enable Strata to ensure dedicated access to such aircraft with enhanced crew availability, lower costs and, in many cases, the ability to unlock more favorable rates when flying more than the minimum number of hours we guarantee to the operator.
For information on the Company’s significant accounting policies and estimates refer to Note 2 “Summary of Significant Accounting Policies” and the “Use of Estimates” section of Note 1 “Business and Basis of Presentation” in the consolidated financial statements included in this Annual Report.
For information on the Company’s significant accounting policies and estimates refer to Note 2 “Summary of Significant Accounting Policies” and the “Use of Estimates” section of Note 1 “Business and Basis of Presentation” in the consolidated financial statements included in this Annual Report on Form 10-K.
Adjusted EBITDA Adjusted EBITDA is defined as net loss adjusted to exclude (1) depreciation and amortization, (2) stock-based compensation, (3) change in fair value of warrant liabilities, (4) interest income and expense, (5) income tax, (6) realized gains and losses on short-term investments, (7) impairment of intangible assets and (8) certain other non-recurring items (shown below) that management does not believe are indicative of ongoing Company operating performance and would impact the comparability of results between periods.
Adjusted EBITDA Adjusted EBITDA is defined as net loss from continuing operations adjusted to exclude: (1) depreciation and amortization; (2) stock-based compensation; (3) change in fair value of warrant liabilities and other assets and liabilities; (4) interest income (5) income tax; (6) realized gains and losses on short-term investments; (7) impairment of intangible assets or property and equipment; and (8) certain other non-recurring items (shown below) that management does not believe are indicative of the Company’s ongoing operating performance and would impact the comparability of results between periods.
The $3.0 million of cash used for working capital requirements was primarily driven by a decrease in accounts payable and accrued expenses of $8.3 million, driven by the cash payment for the Trinity contingent consideration compensation in the first quarter, an increase in accounts receivable of $1.0 million (attributable to the revenue growth in the Medical segment) and a decrease in deferred revenue of $0.1 million; partially offset by a decrease in prepaid expenses and other current assets of $6.4 million (driven by the utilization of $9.3 million of prepaid deposits under CPAs with M&N Equipment, LLC as part of the purchase of seven aircraft, slightly offset by new prepayments made to operators in connection with new CPAs).
The net cash used of $3.0 million from changes in our working capital assets and liabilities was primarily driven by a decrease in accounts payable and accrued expenses of $8.3 million, due to the cash payment for the Trinity contingent consideration compensation in the first quarter, an increase in accounts receivable of $1.0 million (attributable to revenue growth) and a decrease in deferred revenue of $0.1 million; partially offset by a decrease in prepaid expenses and other current assets of $6.4 million (driven by the utilization of $9.3 million of prepaid deposits under CPAs with M&N Equipment, LLC as part of the purchase of seven aircraft partially offset by new prepayments made to operators in connection with new CPAs).
Additionally, a significant portion of Blade trips are flown by safety-vetted operators to whom Blade makes no commitments, providing us with additional flexible capacity for high demand periods. Over the course of 2024, we acquired ten fixed wing aircraft that are currently dedicated to the Medical segment.
Additionally, a significant portion of trips are flown by safety-vetted operators to whom we make no commitments, providing us with additional flexible capacity for high demand periods. Over the course of 2024, we acquired ten fixed wing aircraft that are dedicated to the Logistics segment.
GAAP results, provide useful information to investors by providing a more focused measure of operating results, enhance the overall understanding of past financial performance and future prospects, and allow for greater transparency with respect to key metrics used by management in its financial and operational decision making.
GAAP results, provide useful information to investors by providing a more focused measure of operating results, enhancing the 45 Table of Contents overall understanding of past financial performance and future prospects, and allowing for greater transparency with respect to a key metric used by management in its financial and operational decision making.
Cash (Used In) / Provided by Investing Activities For the year ended December 31, 2024, net cash used in investing activities was $1.0 million, driven by $143.3 million in purchases of held-to-maturity investments; $30.9 million in purchases of property and equipment, consisting primarily of $27.1 million in the acquisition of ten aircraft and related capitalized maintenance costs, utilized by the Medical segment, with the remaining in furniture and fixtures (for new office space in Arizona used by the Medical segment), and purchase of vehicles utilized by the Medical segment for organ ground transportation; $2.2 million in consideration paid for the acquisition of CJK and $2.1 million in capitalized software development costs, offset by $177.5 million of proceeds from maturities of held-to-maturity investments.
For the year ended December 31, 2024, net cash used in investing activities was $1.0 million, driven by $143.3 million in purchases of held-to-maturity investments, $30.9 million in purchases of property and equipment, consisting primarily of $27.1 million in the acquisition of ten aircraft and related capitalized maintenance costs to support the Logistics segment, with the remainder related to furniture and fixtures for new office space in Arizona and vehicles used in generating revenue 48 Table of Contents by the Logistics segment, $2.2 million in consideration paid for the acquisition of CJK and $2.1 million in capitalized software development costs, partially offset by $177.5 million of proceeds from maturities of held-to-maturity investments.
With $127.1 million of total liquid funds as of December 31, 2024, we anticipate that we have sufficient funds to meet our current operational needs for at least the next 12 months from the date of filing this Annual Report.
With $61.2 million of total liquid funds as of December 31, 2025, we anticipate that we have sufficient funds to meet our current operational needs for at least the next 12 months from the date this Annual Report is filed.
In addition to historical consolidated financial information, the following discussion contains forward-looking statements that reflect our plans, estimates, and beliefs. For important information regarding these forward-looking statements, please see the discussion above under the caption “Note Regarding Forward-Looking Statements.” 38 Table of Contents Overview Blade Air Mobility, Inc.
In addition to historical consolidated financial information, the following discussion contains forward-looking statements that reflect our plans, estimates, and beliefs. For important information regarding these forward-looking statements, please see the discussion above under the caption “Note Regarding Forward-Looking Statements.” Overview Strata Critical Medical, Inc.
For the year ended December 31, 2023, net cash used in financing activities was $0.1 million, primarily reflecting $0.1 million cash paid for payroll tax payments made on behalf of employees in exchange for shares withheld by the Company (“net share settlement”), partially offset by $0.1 million of proceeds from the exercise of stock options.
Cash Used In Financing Activities For the year ended December 31, 2025, net cash used in financing activities was $8.9 million, driven by $9.1 million in cash paid for payroll tax payments on behalf of employees in exchange for shares withheld by the Company; partially offset by $0.2 million of proceeds from the exercise of stock options.
We have responded to customer demand by introducing new services, such as our TOPS offering, whereby we assist customers in evaluating the suitability of potential donor organs for transplant, but they may demand services or technology that we cannot provide, which could have a material adverse effect on our business, results of operations, and financial condition.
We have also added new offerings organically, such as our TOPS organ placement offering, whereby we assist customers in evaluating the suitability of potential donor organs for transplant. However, customers may still demand services or technology that we cannot provide, which could have a material adverse effect on our business, results of operations, and financial condition.
For the year ended December 31, 2023, total other non-operating income consisted of $8.4 million interest income, attributable to our short-term investments and our money market funds; and $2.1 million non-cash gain due to fair value revaluation of warrant liabilities as the value of the warrant liabilities fluctuates with the warrants’ market price.
For the year ended December 31, 2024, total other non-operating income consisted of: (i) $7.2 million interest income, attributable to short-term investments and money market funds; and a (ii) $0.9 million non-cash expense due to fair value revaluation of warrant liabilities as the value of the warrant liabilities fluctuates with the warrants’ market price.
All of these aircraft are operated and maintained by third-party service providers under Blade’s oversight. See Item 2. Properties “—Aircraft Assets” in this Annual Report for more information. We prioritize the use of owned aircraft and dedicated aircraft under CPAs, which provide better economies of scale.
All of these aircraft are operated and maintained by third-party service providers under Strata’s oversight. We prioritize the use of owned aircraft and dedicated aircraft under CPAs, which provide better economies of scale.
Medical segment Historically, seasonality in our MediMobility Organ Transport product line has not been significant, though our trip volumes are correlated with the overall supply of donor hearts, livers and lungs in the United States, which can be volatile due to a variety of factors.
Seasonality Our Logistics trip volumes and Clinical case volumes are correlated with the overall supply of donor hearts, livers and lungs in the United States, which can be volatile due to a variety of factors.
In addition, as of December 31, 2024 and 2023 , we had restricted cash of $1.3 million and $1.1 million, respectively. As of December 31, 2024, $108.8 million of short-term investments consisted of securities that are traded in highly liquid markets.
In addition, as of December 31, 2025 and 2024, we had restricted cash of $0.3 million and $0.3 million, respectively. As of December 31, 2025, $30.3 million of short-term investments consisted of securities that are traded in highly liquid markets. The Company had net income of $41.3 million for the year ended December 31, 2025 .
Historically, our significant demand for both Passenger and MediMobility Organ Transport flight capacity has been enough to incentivize operators to provide aircraft and crews for our use.
Ability to Secure Aircraft Capacity Historically, our ability to aggregate significant demand for flights has been enough to incentivize operators to provide aircraft and crews for our use.
Additionally, the Company has operating lease obligations related to real estate and vehicles with expected annual minimum lease payments of $2.0 million and $1.8 million for the years ending December 31, 2025 and 2026, respectively.
Additionally, the Company has operating lease obligations related to real estate and vehicles with expected annual minimum lease payments of $0.6 million in each of 2026 and 2027.
The non-GAAP measures presented herein may not be comparable to similarly titled measures presented by other companies. These include Adjusted EBITDA, Flight Profit and Flight Margin, which we define, explain the use of and reconcile to the nearest GAAP financial measure below.
The non-GAAP measure presented herein may not be comparable to similarly titled measures presented by other companies. Adjusted EBITDA is defined and reconciled to the nearest GAAP financial measure below.
Impact of inflation to our business We generally pay a fixed hourly rate to our third-party operators, based on flight hours flown. These rates are susceptible to inflation and are typically renegotiated on a yearly basis, though some multi-year contracts have fixed rate increases. Some contracts with operators allow for pass-through of fuel price increases above a set threshold.
These rates are susceptible to inflation and are typically renegotiated on a yearly basis, though some multi-year contracts have fixed rate increases. Some contracts with operators allow for pass-through of fuel price increases above a set threshold. For our owned aircraft, we are more directly exposed to inflation of aircraft operating expenses, including pilot salaries, fuel, insurance, parts and maintenance.
The organ transportation market is highly competitive and we compete for organ transportation business primarily on our ability to provide reliable, end-to-end air and ground transportation at competitive pricing. Increasingly, we compete directly with manufacturers of organ preservation equipment that also offer transportation or with providers that offer additional services, such as surgical organ recovery, that our customers find valuable.
Increasingly, we compete directly with manufacturers of organ preservation equipment that also offer transportation or with providers that offer additional services, such as surgical organ recovery, that our customers find valuable.
For flights offered for sale by-the-seat, Blade schedules flights based on demand analysis and takes the economic risk of aggregating fliers to optimize flight profitability, providing predictable margins for our operators. When utilizing third-party aircraft and/or aircraft operators, we typically pre-negotiate fixed hourly rates and flight times, paying only for flights actually flown, creating a predictable and flexible cost structure.
When utilizing third-party aircraft and/or aircraft operators, we typically pre-negotiate fixed hourly rates and flight times, paying only for flights actually flown, creating a predictable and flexible cost structure.
For the year ended December 31, 2023, net cash provided by investing activities was $17.1 million, driven by $264.5 million of proceeds from maturities of held-to-maturity investments, $20.5 million of proceeds from sales of other short-term investments, partially offset by $265.8 million in purchases of held-to-maturity investments, $2.1 million in purchases of property and equipment, consisting of leasehold improvements, furniture and fixtures for lounges used by the Passenger segment, and vehicles used in generating revenue by the Medical segment. 53 Table of Contents Cash Used In Financing Activities For the year ended December 31, 2024, net cash used in financing activities was $5.8 million, reflecting $5.7 million cash paid for payroll tax payments on behalf of employees in exchange for shares withheld by the Company (“net share settlement”) and $0.2 million in repurchases and retirement of common stock under the share repurchase program announced March 20, 2024; partially offset by $0.2 million of proceeds from the exercise of stock options.
For the year ended December 31, 2024, net cash used in financing activities was $5.8 million, reflecting $5.7 million in cash paid for payroll tax payments on behalf of employees in exchange for shares withheld by the Company and $0.2 million in repurchases and retirement of common stock under a share repurchase program (expired on March 31, 2025); partially offset by $0.2 million of proceeds from the exercise of stock options.
Reconciliation of Non-GAAP Financial Measures Certain non-GAAP measures included in this report have been derived from amounts calculated in accordance with GAAP but are not themselves GAAP measures. Blade believes that the non-GAAP measures discussed below, viewed in addition to and not in lieu of our reported U.S.
Reconciliation of Non-GAAP Financial Measures Adjusted EBITDA is a non-GAAP measure that has been derived from amounts calculated in accordance with GAAP, although it is not itself a GAAP measure. Strata believes that Adjusted EBITDA viewed in addition to and not in lieu of our reported U.S.
In the course of our business, we have certain contractual relationships with third-party aircraft operators pursuant to which we may be contingently required to make payments in the future.
Liquidity Requirements As of December 31, 2025 , the Company had net working capital of $106.4 million, cash and cash equivalents of $31.0 million and short-term investments of $30.3 million. In the course of our business, we have certain contractual relationships with third-party aircraft operators pursuant to which we may be contingently required to make payments in the future.
Adjusted EBITDA improved by $17.8 million for the year ended December 31, 2024 from $(16.6) million in the same period of 2023 to $1.2 million in 2024.
Comparison of the Years Ended December 31, 2025 and 2024 Adjusted EBITDA from continuing operations improved by $10.3 million for the year ended December 31, 2025 from $3.8 million in 2024 to $14.1 million in 2025.
This enables our operator partners to 39 Table of Contents focus on training pilots, maintaining aircraft and flying, while we maintain the relationship with our customer from booking through flight arrival.
In these arrangements, pilots, maintenance, hangar, insurance, and fuel are all costs borne by our network of operators, which provide aircraft flight time to Strata at fixed hourly rates. This enables our operator partners to focus on training pilots, maintaining aircraft and flying, while we maintain the relationship with our customer from booking through flight arrival.
Those decreases were partially offset by a $0.5 million increase in stock-based compensation. 46 Table of Contents Other non-operating income (expense) Year Ended December 31, 2024 2023 % Change (in thousands, except percentages) Interest income, net $ 7,214 $ 8,442 Change in fair value of warrant liabilities (850) 2,125 Realized gain from sales of short-term investments — 8 Total other non-operating income $ 6,364 $ 10,575 (39.8)% For the year ended December 31, 2024, total other non-operating income consisted of $7.2 million interest income, attributable to our short-term investments and our money market funds; and $0.9 million non-cash loss due to fair value revaluation of warrant liabilities as the value of the warrant liabilities fluctuates with the warrants’ market price.
Other Non-Operating Income Year Ended December 31, 2025 2024 % Change (in thousands, except percentages) Interest income $ 4,241 $ 7,214 Change in fair value of warrant liabilities 4,278 (850) Change in fair value of assets and other liabilities (1,037) — Realized loss from sales of short-term investments (5,195) — Total other non-operating income $ 2,287 $ 6,364 (64.1)% 44 Table of Contents For the year ended December 31, 2025, total other non-operating income consisted of: (i) $4.2 million interest income, attributable to our short-term investments and our money market funds in the current year period (lower interest income is attributable to lower invested balances compared to the prior year period); (ii) $4.3 million non-cash income due to fair value revaluation of warrant liabilities as the value of the warrant liabilities fluctuates with the warrants’ market price; (iii) $(1.0) million non-cash expense attributable to fair value remeasurement of contingent consideration (related to the Passenger divestiture and Keystone acquisition) and equity consideration held in escrow (related to the Keystone acquisition); and a (iv) $(5.2) million realized loss on the sale of securities received as consideration in the Passenger business divestiture.
Consolidated Net Loss, Adjusted EBITDA, Gross Profit, Flight Profit, Gross Margin, and Flight Margin The following table presents our consolidated Adjusted EBITDA, Gross Profit, Gross Margin, Flight Profit and Flight Margin results: Year Ended December 31, 2024 2023 % Change (in thousands, except percentages) Net Loss $ (27,307) $ (56,076) (51) % Adjusted EBITDA(1) $ 1,205 $ (16,633) NM(2) Gross Profit $ 40,652 $ 22,458 81.0 % Flight Profit(1) $ 58,919 $ 42,122 39.9 % Gross Margin 16.3 % 10.0 % Flight Margin(1) 23.7 % 18.7 % (1) See section titled “Reconciliations of Non-GAAP Financial Measures” for more information and reconciliations to the most directly comparable GAAP financial measure.
Adjusted EBITDA The following table presents our consolidated results on a continuing operations basis for Adjusted EBITDA: Year Ended December 31, 2025 2024 % Change (in thousands, except percentages) Adjusted EBITDA (1) $ 14,051 $ 3,752 274 % (1) See section titled “Reconciliations of Non-GAAP Financial Measures” for more information and a reconciliation to the most directly comparable GAAP financial measure.
We expect to incur net losses in the short term, as we continue to execute our strategic initiatives. Based on our current liquidity, we believe that no additional capital will be needed to execute our current business plan over the next 12 months.
See Notes 4 and 5, respectively, to the consolidated financial statements included in this Annual Report on Form 10-K for additional information. Based on our current liquidity, we believe that no additional capital will be needed to execute our current business plan over the next 12 months.
We size our owned fleet and our commitments under CPAs significantly below our expected demand, enabling us to maximize utilization on those aircraft while fulfilling incremental demand through our network of non-dedicated operators. Blade’s proprietary “customer-to-cockpit” technology stack enables us to manage fliers and organ transports across numerous simultaneous flights with multiple operators around the world.
We size our owned fleet and our commitments under CPAs significantly below our expected demand, enabling us to maximize utilization on those aircraft while fulfilling incremental demand through our network of non-dedicated operators. 38 Table of Contents We provide ground logistics using a combination of owned vehicles, which are allocated to hub positioned near our customers across the United States, and third-party providers.
Although this has not limited our ability to maintain or increase our access to dedicated jet aircraft at fixed prices in recent periods, jet charter, which makes up the majority of our Jet and Other product line, is highly competitive and volumes and pricing have historically been significantly influenced by overall market supply and demand.
Although this has not limited our ability to maintain or increase our access to dedicated jet aircraft at fixed prices in recent periods, there is no guarantee this will continue in the future.
For our owned aircraft, we are more directly exposed to inflation of aircraft operating expenses, including pilot salaries, fuel, insurance, parts and maintenance. We have historically passed through cost inflation to customers and most contracts with our MediMobility Organ Transport customers automatically pass through any fuel surcharges, but there is no guarantee this will continue in the future.
Given significant growth in organ transplant volumes and an increasing percentage of organs that are recovered by commercial surgeons and undergo NRP, demand for clinicians skilled in these procedures is high resulting in inflation in salaries and fees paid to these practitioners. 40 Table of Contents We have historically passed through cost inflation to customers and most logistics contracts with customers automatically pass through any fuel surcharges, but there is no guarantee this will continue in the future.
For the year ended December 31, 2023, net cash used in operating activities was $32.3 million, primarily driven by a net loss of $56.1 million and $6.7 million cash used for working capital requirements, adjusted for non-cash items consisting of impairment of intangible assets of $20.8 million, stock-based compensation expense of $12.5 million, depreciation and amortization of $7.1 million, non-cash accretion of interest income on held-to-maturity securities of $6.5 million, income from change in fair value of warrant liabilities of $2.1 million, and a deferred tax benefit of $1.5 million.
For the year ended December 31, 2024, net cash used in operating activities was $2.5 million, driven by a net loss of $27.3 million, net non-cash items of $27.9 million and net $3.0 million of cash used by changes in our working capital assets and liabilities.
The revenue is recognized when the service is completed. MediMobility Organ Transport products are typically purchased through our medical logistics coordinators and are paid for principally via checks and wires. Payments are generally collected after the performance of the related service in accordance with the client's payment terms. The revenue is recognized when the service is completed.
Logistics services are typically provided and billed on a fee-for-service basis, while Clinical services are provided and billed on both a fee-for-service and retainer basis. Payments are generally collected after the performance of the related service in accordance with the client’s payment terms.
Liquidity Requirements As of December 31, 2024 , the Company had net working capital of $138.0 million, cash and cash equivalents of $18.4 million and short-term investments of $108.8 million. The Company had net losses of $27.3 million and $56.1 million for the years ended December 31, 2024 and 2023, respectively.
(6) For the year ended December 31, 2024, consists of SOX readiness costs of $399 and executive severance costs of $140. 46 Table of Contents Liquidity and Capital Resources Sources of Liquidity As of December 31, 2025 and 2024 , we had total liquidity of $61.2 million and $124.8 million, respectively, consisting of cash and cash equivalents of $31.0 million and $16.1 million, respectively, and short-term investments of $30.3 million and $108.8 million, respectively.
The $6.7 million cash used for working capital requirements was primarily driven by an increase in accounts receivable of $10.3 million, due to the rapid growth in the Medical segment, and an increase in prepaid expenses and other current assets of $6.0 million, driven by prepayments to operators in connection with capacity purchase agreements; partially offset by an increase in accounts payable and accrued expenses of $9.0 million, driven by the accrual for the Trinity contingent consideration compensation payment and for the 2023 short term incentive plan, and an increase in lease liabilities of $0.4 million.
The $9.1 million net cash used from changes in working capital was primarily driven by: an increase of $12.0 million in accounts receivable (attributable to revenue growth and $2.1 million attributable to Passenger business activity prior to the sale); an increase of $1.7 million in prepaid and other current assets driven by timing of operator prepayments; partially offset by an increase of $2.4 million in accounts payable and accrued liabilities of $1.5 million attributable to Passenger business activity prior to the sale and $0.9 million increase in cost of revenue; an increase of $1.7 million in deferred revenue attributable to Passenger business activity prior to the sale and representing client prepayments; and a decrease of $0.7 million in other non-current assets.
Our longer term liquidity requirement will depend on many factors including the pace of our expansion into new markets, our ability to attract and retain customers for our existing products, capital expenditures and acquisitions. 52 Table of Contents Cash Flows The following table summarizes our cash flows for the periods indicated: Year Ended December 31, 2024 2023 (in thousands) Net cash used in operating activities $ (2,519) $ (32,349) Net cash (used in) / provided by investing activities (1,016) 17,089 Net cash used in financing activities (5,759) (76) Effect of foreign exchange rate changes on cash balances (80) (66) Net decrease in cash and cash equivalents and restricted cash $ (9,374) $ (15,402) Cash Used In Operating Activities For the year ended December 31, 2024, net cash used in operating activities was $2.5 million, driven by a net loss of $27.3 million and $3.0 million of cash used for working capital requirements, adjusted for non-cash items consisting of stock-based compensation expense of $19.9 million, impairment of intangible assets of $5.8 million , depreciation and amortization of $6.0 million, non-cash accretion of interest income on held-to-maturity securities of $4.0 million, loss from change in fair value of warrant liabilities of $0.9 million, deferred tax benefit of $0.3 million and gain on lease modification of $0.6 million.
The following table summarizes our cash flows for the periods indicated: Year Ended December 31, 2025 2024 (in thousands) Net cash used in operating activities $ (48,914) $ (2,519) Net cash (used in) / provided by investing activities 69,750 (1,016) Net cash used in financing activities (8,912) (5,759) Effect of foreign exchange rate changes on cash balances (339) (80) Net increase (decrease) in cash and cash equivalents and restricted cash $ 11,585 $ (9,374) Cash Used In Operating Activities For the year ended December 31, 2025, net cash used in operating activities was $48.9 million, driven by net income of $41.3 million, adjusted for net non-cash items of $29.5 million; transaction costs paid related to the sale of the Passenger business of $7.4 million; $44.3 million Keystone acquisition consideration for the settlement of seller-assumed liabilities (which were directed to third parties and therefore classified within operating activities and not within investing activities); and net cash used of $9.1 million from changes in working capital assets and liabilities.
Software Development Software development expenses consist primarily of staff costs, stock-based compensation costs and capitalized software amortization costs. General and Administrative General and administrative expenses principally include staff costs including stock-based compensation, intangibles amortization, depreciation, establishment costs, impairment of intangible assets, directors and officers insurance costs, pilot training costs for owned aircraft, professional fees and credit card processing fees.
Selling, General and Administrative Selling, general and administrative (“SG&A”) expenses consist primarily of: staff costs for employees in the commercial, technology, executive, marketing and administrative functions; sales commissions; stock-based compensation; professional and consulting fees; insurance; facilities; information technology and software development costs; promotional expenses; pilot training costs; impairment of assets; and other general corporate overhead costs.
Transportation for the hearts, lungs and livers that make up the vast majority of this product line is typically requested only hours before the required departure time. Our ability to successfully fulfill these requests with consistent pricing on the requested aircraft type, be it jet, turboprop or helicopter, is the primary metric by which Medical Customers evaluate our performance.
Our ability to successfully fulfill these requests with consistent pricing on the requested aircraft type is the primary metric by which our customers evaluate our logistics performance. 39 Table of Contents The organ logistics marketplace is highly competitive and we compete primarily on our ability to provide reliable, end-to-end air and ground transportation at competitive pricing.
Further improvements are attributable to a $1.6 million decrease in marketing expenses and a $0.5 million decrease in personnel costs. Medical segment For the years ended December 31, 2024 and 2023, Medical revenue increased by $20.2 million, or 16.0%, from $126.6 million in 2023 to $146.8 million in 2024.
For the years ended December 31, 2025 and 2024, revenue increased by $50.3 million or 34.3%, from $146.8 million in 2024 to $197.1 million in 2025. Logistics revenue increased by $30.0 million, or 20.4% from $146.8 million in 2024 to $176.8 million in 2025, driven by growth in flight hours, ground transportation and revenue per trip.
For the year ended December 31, 2024, these costs primarily related to the Drulias lawsuit (see “— Legal and Environmental” within Note 12 to the consolidated financial statements included in this Annual Report for additional information) and to the proposed restrictions at East Hampton Airport.
(2) Includes settlement costs and legal fees related to the Drulias class action lawsuit which the parties entered into a Stipulation of Settlement to fully resolve the matter in December 2025 (see “— Legal and Environmental” within Note 14 to the consolidated financial statements included in this Annual Report on Form 10-K).
Our Business Model Blade leverages an asset-light business model: we primarily utilize aircraft that are owned and/or operated by third parties on Blade’s behalf. In these arrangements, pilots, maintenance, hangar, insurance, and fuel are all costs borne by our network of operators, which provide aircraft flight time to Blade at fixed hourly rates.
Ancillary costs such as landing fees and de-icing are passed through to the end customer. Strata leverages an asset-light air logistics business model: we primarily utilize aircraft that are owned and/or operated by third parties on Strata’s behalf.
(4) Percentage not meaningful. 47 Table of Contents Passenger segment For the years ended December 31, 2024 and 2023, Passenger revenue increased by $3.3 million, or 3.3%, from $98.6 million in 2023 to $101.9 million in 2024. The increase was attributable to a $1.5 million increase in Short Distance and a $1.8 million increase in Jet and Other.
For the years ended December 31, 2025 and 2024, Logistics gross profit increased by $7.1 million, or 23.8%, from $29.6 million in 2024 to $36.6 million in 2025, attributable to the 20.4% increase in revenue and an increase in gross margin from 20% to 21% attributable primarily to operational leverage in ground services with the expansion of ground hubs.
Cost of Revenue Year Ended December 31, 2024 2023 % Change (in thousands, except percentages) Cost of revenue $ 189,774 $ 183,058 3.7 % Percentage of revenue 76 % 81 % For the years ended December 31, 2024 and 2023, cost of revenue increased by $6.7 million, or 3.7%, from $183.1 million during 2023 to $189.8 million in 2024 driven by increased flight volume.
Amortization of intangible assets Year Ended December 31, 2025 2024 % Change (in thousands, except percentages) Amortization of intangible assets $ 2,604 $ 1,258 107.0 % Percentage of revenue 1 % 1 % For the years ended December 31, 2025 and 2024, amortization of intangible assets increased by $1.3 million, or 107.0%, from $1.3 million in 2024 to $2.6 million in 2025, primarily attributable to (i) $1.1 million in amortization of intangibles generated from the acquisition of Keystone in mid-September 2025 and (ii) a $0.2 million increase due to higher amortization of capitalized software costs, as more development projects were completed and entered the amortization phase during 2025.
Gross Profit increased by $18.2 million, or 81%, for the year ended December 31, 2024 from $22.5 million in the same period of 2023 to $40.7 million in 2024.
For the year ended December 31, 2025, Clinical gross profit of $4.5 million was attributable to the acquisition of Keystone in mid-September 2025.
Cost of Revenue Cost of revenue consists of flight costs paid to operators of aircraft and vehicles, landing fees, depreciation of aircraft and vehicles, operating lease cost, internal costs incurred in generating organ ground transportation revenue using the Company's owned vehicles and costs of operating our owned aircraft including fuel, management fees paid to the operator, maintenance costs and pilot salaries.
Cost of Revenue Cost of revenue consists of costs of operating our aircraft fleet, including pilots’ salaries, flight costs paid to operators of aircraft and vehicles, depreciation of aircraft, vehicles and medical devices, staff costs directly supporting Logistics and Clinical services, and costs of disposable medical products.
See “—Capacity Purchase Agreements” (“CPAs”) within Note 12 to the consolidated financial statements included in this Annual Report for additional information and for information about future periods.
As of December 31, 2025 , we had commitments to purchase flights from various aircraft operators with aggregate minimum flight purchase guarantees under CPAs of $2.6 million for the year ending December 31, 2026. See “—Capacity Purchase Agreements” within Note 14 to the consolidated financial statements included in this Annual Report on Form 10-K for additional information.