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ALUMIS INC.

For the period ended Dec 31, 2025. Filed Mar 19, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Mar 19, 2026

ALMS$6.40-2.3%Stored close · as of Nov 10, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Item 8. Consolidated Statements of Cash Flows

CONSOLIDATED STATEMENTS OF CASH FLOWS

​​​​​​​
​ · ​ ​ ​ · Year Ended December 31,
(in thousands) · ​ · 2025 · ​ ​ ​ · 2024
Cash flows from operating activities · ​ · ​ · ​ · ​
Net loss​$(243,325)​$(294,233)
Adjustments to reconcile net loss to net cash used in operating activities:​​​​
Stock-based compensation​43,524​19,457
Net accretion of discounts on marketable securities​(5,298)​(3,685)
Depreciation and amortization​3,496​3,152
Non-cash lease expense​1,701​60
Loss on disposal of fixed assets​—​5
Change in fair value of derivative liability​—​5,406
Gain on bargain purchase in connection with the ACELYRIN Merger​​(187,907)​​—
Impairment of long-lived assets​​529​​—
Changes in operating assets and liabilities:​​​​
Research and development prepaid expenses​11,473​(10,763)
Other prepaid expenses and other assets​17,229​(2,870)
Other assets, non-current​​(5,535)​​—
Accounts payable​(6,036)​8,506
Deferred revenue​​4,069​​—
Research and development accrued expenses​2,087​18,203
Other accrued expenses and current liabilities​6,036​3,542
Operating lease liabilities​​(3,212)​​(1,858)
Other liabilities, non-current​​207​​—
Deferred tax liability​(8,561)​—
Net cash used in operating activities​(369,523)​(255,078)
Cash flows from investing activities​​​​
Maturities of marketable securities​447,955​128,000
Purchases of marketable securities​(209,167)​(240,058)
Purchases of property and equipment​​(653)​​(1,732)
Cash, cash equivalents and restricted cash acquired in connection with the ACELYRIN Merger​49,742​—
Net cash provided by (used in) investing activities​287,877​(113,790)
Cash flows from financing activities​​​​
Proceeds from issuance of redeemable convertible preferred stock and derivative liability, net of issuance costs​—​258,461
Proceeds from initial public offering, net of underwriter discounts and commissions and other offering costs​​—​​193,316
Proceeds from a private placement transaction​​—​​40,000
Proceeds from issuance of common stock upon exercise of stock options​489​596
Repurchase of common stock shares issued upon early exercised restricted common stock​​(17)​​(6)
Proceeds from issuance of common stock under the 2024 ESPP​​1,595​​—
Net cash provided by financing activities​2,067​492,367
Net (decrease) increase in cash, cash equivalents and restricted cash​(79,579)​123,499
Cash, cash equivalents and restricted cash at beginning of period​170,632​47,133
Cash, cash equivalents and restricted cash at end of period​$91,053​$170,632
Supplemental disclosures:​​​​
Conversion of 168,489,871 shares of redeemable convertible preferred stock upon the closing of initial public offering​$—​$639,237
Equity consideration transferred in connection with the ACELYRIN Merger​$238,077​$—
Vesting of early exercised stock options and unvested restricted shares of common stock​$673​$1,174
Right-of-use assets obtained in exchange for operating lease liabilities​$1,776​$—
Recognition of derivative liability upon issuance of redeemable convertible preferred stock​$—​$8,913
Settlement of derivative liability upon issuance of redeemable convertible preferred stock​$—​$(14,319)
​​​​​​​
Reconciliation of cash, cash equivalents and restricted cash:​​​​
Cash and cash equivalents​$89,670​$169,526
Restricted cash​82​—
Restricted cash, non-current​1,301​1,106
Total cash, cash equivalents and restricted cash​$91,053​$170,632
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