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Protagonist Therapeutics, Inc

For the period ended Mar 31, 2026. Filed May 5, 2026.

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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.

Mar 31, 2026 · Filed May 5, 2026

PTGX$136.26+0.3%Stored close · as of Nov 10, 2026

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Condensed Consolidated Statements of Cash Flows

(In thousands)

​​​​​​​
​ · ​ · Three Months Ended
​ · ​ · March 31,
​ · ​ ​ ​ · 2026 · ​ ​ ​ · 2025
Cash Flows from Operating Activities · ​ · ​ · ​ · ​ · ​
Net income (loss)​$3,783​$(11,655)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:​​​​​​
Stock-based compensation​​14,519​​13,802
Non-cash lease expense​​439​​569
Depreciation​​407​​239
Accretion of discount on marketable securities​​(1,025)​​(2,289)
Other​​(2)​​5
Changes in operating assets and liabilities:​​​​​​
Receivable from collaboration partner​​(53,542)​​165,000
Contract asset​​—​​(22,825)
Prepaid expenses and other assets​​(1,918)​​(948)
Accounts payable​​3,003​​1,237
Accrued expenses and other payables​​(10,792)​​(11,817)
Deferred revenue​​(3,268)​​(5,496)
Income taxes payable​​—​​(800)
Operating lease liability​​(547)​​341
Net cash (used in) provided by operating activities​​(48,943)​​125,363
Cash Flows from Investing Activities​​​​​​
Purchase of marketable securities​​(68,968)​​(214,040)
Proceeds from maturities of marketable securities​​156,691​​113,180
Proceeds from sale of marketable securities​​3,384​​7,003
Purchases of property and equipment​​(215)​​(545)
Net cash provided by (used in) investing activities​​90,892​​(94,402)
Cash Flows from Financing Activities​​​​​​
Proceeds from issuance of common stock upon exercise of stock options and purchases under employee stock purchase plan​​23,374​​11,922
Tax withholding payments related to net settlement of restricted stock units​​—​​(479)
Net cash provided by financing activities​​23,374​​11,443
Net increase in cash, cash equivalents and restricted cash​​65,323​​42,404
Cash, cash equivalents and restricted cash, beginning of period​128,677​97,474
Cash, cash equivalents and restricted cash, end of period​$194,000​$139,878
Supplemental Disclosure of Non-Cash Financing and Investing Information:​​​​​​
Purchases of property and equipment in accounts payable and accrued liabilities​$110​$33
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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.