Protagonist Therapeutics, Inc (PTGX) Form 8-K Material Events

Protagonist Therapeutics, Inc (PTGX) is a publicly traded company on the Nasdaq, categorized under SIC 2834 (Pharmaceutical Preparations). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.

Ticker: PTGX CIK: 1377121 Exchange: Nasdaq SIC 2834: Pharmaceutical Preparations Fiscal Year End: 12/31 State: DE

Independent PCAOB Auditor

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Audit Firm Ernst & Young LLP
Auditor SinceSince 12/31/2020 12:00:00 AM
Lead Engagement PartnerYogesh Ransing
Audit LocationSan Mateo, California, United States

Latest SEC EDGAR Filings

Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions
Form Filing Date Reporting Period Description Accession Number Actions
4 2026-10-02 2026-09-30 OWNERSHIP DOCUMENT 0001104659-26-113279 View SEC Doc Filr Page
144 2026-09-30 — 144 Filing 0001950047-26-009883 View SEC Doc Filr Page
4 2026-09-10 2026-09-08 OWNERSHIP DOCUMENT 0001104659-26-106831 View SEC Doc Filr Page
4 2026-09-08 2026-09-03 OWNERSHIP DOCUMENT 0001104659-26-105955 View SEC Doc Filr Page
SCHEDULE 13G/A 2026-08-13 — SCHEDULE 13G/A Filing 0000908834-26-000405 View SEC Doc Filr Page
4 2026-08-12 2026-08-10 OWNERSHIP DOCUMENT 0001104659-26-095111 View SEC Doc Filr Page
144 2026-08-10 — 144 Filing 0001968582-26-000805 View SEC Doc Filr Page
SCHEDULE 13G 2026-08-07 — SCHEDULE 13G Filing 0000093751-26-000527 View SEC Doc Filr Page
S-8 POS 2026-08-05 — S-8 POS 0001104659-26-091259 View SEC Doc Filr Page
S-8 POS 2026-08-05 — S-8 POS 0001104659-26-091257 View SEC Doc Filr Page
S-8 POS 2026-08-05 — S-8 POS 0001104659-26-091254 View SEC Doc Filr Page
S-8 POS 2026-08-05 — S-8 POS 0001104659-26-091249 View SEC Doc Filr Page
S-8 POS 2026-08-05 — S-8 POS 0001104659-26-091245 View SEC Doc Filr Page
S-8 POS 2026-08-05 — S-8 POS 0001104659-26-091242 View SEC Doc Filr Page
S-8 POS 2026-08-05 — S-8 POS 0001104659-26-091241 View SEC Doc Filr Page
S-8 POS 2026-08-05 — S-8 POS 0001104659-26-091239 View SEC Doc Filr Page
S-8 POS 2026-08-05 — S-8 POS 0001104659-26-091236 View SEC Doc Filr Page
S-8 POS 2026-08-05 — S-8 POS 0001104659-26-091235 View SEC Doc Filr Page
S-8 POS 2026-08-05 — S-8 POS 0001104659-26-091233 View SEC Doc Filr Page
S-8 2026-08-05 — FORM S-8 0001104659-26-091226 View SEC Doc Filr Page
10-Q 2026-08-05 2026-06-30 10-Q 0001104659-26-091123 View SEC Doc Filr Page
8-K 2026-08-05 2026-08-05 FORM 8-K 0001104659-26-091099 View SEC Doc Filr Page
4 2026-06-25 2026-06-23 OWNERSHIP DOCUMENT 0001104659-26-077761 View SEC Doc Filr Page
144 2026-06-23 — 144 Filing 0001950047-26-006422 View SEC Doc Filr Page
8-K 2026-06-18 2026-06-17 FORM 8-K 0001104659-26-075777 View SEC Doc Filr Page