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Amylyx Pharmaceuticals, Inc.

For the period ended Sep 30, 2026. Filed Nov 5, 2026.

View on SEC.gov

About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2026 · Filed Nov 5, 2026

AMLX$30.91+2.3%Stored close · as of Nov 10, 2026

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

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Condensed Consolidated Statements of Cash Flows

(in thousands)

Nine Months Ended September 30,
20262025
Cash flows used in operating activities:
Net loss$(130,196)$(111,736)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation expense24,80921,259
Depreciation expense174417
Accretion of investment discounts, net(2,937)(4,469)
Charge for in-process research and development ("IPR&D") milestones4,000—
Other non-cash items75264
Changes in operating assets and liabilities:
Prepaid expenses and other current assets(4,041)3,635
Operating lease right-of-use assets9321,435
Deposits and other assets(2)24
Accounts payable1,284305
Accrued expenses4,936(5,389)
Operating lease liabilities(1,014)(1,185)
Net cash used in operating activities(101,980)(95,440)
Cash flows used in investing activities:
Purchases of property and equipment(55)(52)
Milestone payments related to IPR&D(4,000)—
Purchases of marketable securities(603,985)(201,377)
Proceeds from maturities of marketable securities168,840186,000
Net cash used in investing activities(439,200)(15,429)
Cash flows provided by financing activities:
Proceeds from financings, net of issuance costs544,614256,688
Proceeds from exercise of stock options and RSUs vesting20,8373,701
Withholding taxes paid on stock-based awards(10,597)(3,152)
Net cash provided by financing activities554,854257,237
Effect of exchange rate changes on cash, cash equivalents and restricted cash equivalents(218)956
Net decrease in cash, cash equivalents and restricted cash equivalents13,456147,324
Cash, cash equivalents and restricted cash equivalents, beginning of period227,63678,837
Cash, cash equivalents and restricted cash equivalents, end of period$241,092$226,161
Reconciliation of cash, cash equivalents and restricted cash equivalents:
Cash and cash equivalents$240,095$225,178
Restricted cash equivalents997983
Total cash, cash equivalents and restricted cash equivalents:$241,092$226,161
ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.