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PTGXProtagonist Therapeutics, Inc

William Waddill

Director at Protagonist Therapeutics, Inc, as of Jun 25, 2026Sold $4.6M of stock in the past 12 months: 64% under a disclosed plan and 36% with no plan disclosed.

Updated Oct 15, 2026 from SEC filings · covers Oct 16, 2025 to Oct 15, 2026
7.8K
shares held after the latest filing, Protagonist Therapeutics, Inc
Vested shares reported on Forms 3, 4 and 5 only. Not the insider's whole wealth.
47K
shares sold, past 12 months
4
days with sales
$1.7M
largest single day, Feb 6, 2026
1
company filed for

Share of stake sold at Protagonist Therapeutics, Inc is not shown: most of their shares vested during the period, so a percentage would mislead. Why

Selling by month

Oct 2025 to Oct 2026. Each sale is counted once: under a disclosed plan, else to cover taxes, else no plan disclosed.

Disclosed planNo plan disclosedOne dollar scale for every month; the tallest bar is labeled
OctNovDecJanFeb 2026: $1.7M no plan disclosedFebMarAprMay 2026: $897K under a disclosed planMayJun 2026: $2.0M under a disclosed plan$2.0MJunJulAugSepOct

Pattern

What the filings show, past 12 months. Nothing here rates or predicts.

Roles from filings

Every company we track where this person has filed, newest filing first.

CompanyTitleFirst filingLatest filing
Protagonist Therapeutics, Inc (PTGX)DirectorAug 10, 2016Jun 25, 2026

Recent filings

The last 5 days with transactions, newest first, one line per trade date. Each number links to an SEC filing.

This page shows only what this person reported on SEC ownership filings. See the methodology. Spotted something wrong? Report an error.