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Protagonist Therapeutics, Inc. SEC filings

Protagonist Therapeutics (PTGX) filed its 10-Q for the quarter ended 30 June 2026 on 5 August 2026. Its latest SEC filing, on 5 August 2026, was an S-8: employee share plan registration. 15 filings in the last twelve months, each 8-K by what it was about; the 10-K and proxy statement are on the documents page.

In the twelve months since 11 October 2025 Protagonist Therapeutics, Inc. filed 15 documents with the SEC of the kinds listed here: 6 current reports (8-K), about 4 results of operations; 2 regulation FD disclosure; 1 officer or director change; 1 shareholder vote; 3 quarterly reports (10-Q), 2 employee share plan registrations (S-8), 1 annual report to shareholders (ARS), 1 additional proxy material (DEFA14A), 1 proxy statement (DEF 14A), 1 annual report (10-K). The latest, filed 5 August 2026: S-8, employee share plan registration. The 10-K, the 10-Qs and the proxy statement themselves, each with a link to open it, are on the documents page.

FiledFormWhat it was aboutPeriod or event dateFiling
5 August 2026S-8employee share plan registrationEDGAR
5 August 202610-Qquarterly report30 June 2026EDGAR
5 August 20268-KResults of operations, Regulation FD disclosure5 August 2026EDGAR
18 June 20268-KOfficer or director change, Shareholder vote17 June 2026EDGAR
5 May 202610-Qquarterly report31 March 2026EDGAR
5 May 20268-KResults of operations5 May 2026EDGAR
28 April 2026ARSannual report to shareholders31 December 2025EDGAR
28 April 2026DEFA14Aadditional proxy materialEDGAR
28 April 2026DEF 14Aproxy statement17 June 2026EDGAR
25 February 2026S-8employee share plan registrationEDGAR
25 February 202610-Kannual report31 December 2025EDGAR
25 February 20268-KResults of operations25 February 2026EDGAR
12 January 20268-KRegulation FD disclosure12 January 2026EDGAR
6 November 202510-Qquarterly report30 September 2025EDGAR
6 November 20258-KResults of operations6 November 2025EDGAR
An 8-K is what a company files within four business days of a material event; the SEC numbers the events, and the words here are the SEC's own headings, shortened.
Read moreForm 4, Form 144, 13F and Schedule 13D and 13G have their own pages. Prospectus supplements and correspondence are not listed.

Source

The company's filing index on EDGAR, read from the SEC's submissions feed.

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