Protagonist Therapeutics, Inc (PTGX) Insider Trading

Protagonist Therapeutics, Inc (PTGX) has 4 SEC Form 4 insider filings on record in the last 90 days. Most recent filing: Sept. 10, 2026.

Filings
4
Purchases
0
$0
Sales
0
$0
Insiders
2

Most active PTGX insiders

PATEL DINESH V PH D
President and CEO
0 bought · 0 sold · Sept. 10, 2026
$38.0M
Waddill William D.
Director
0 bought · 0 sold · June 25, 2026
$1.2M

Latest PTGX Form 4 filings

Date Insider Value Shares Stake Pre-planned Links
Sept. 10, 2026 filed Sept. 8, 2026 PATEL DINESH V PH D President and CEO 0 Yes
Sept. 8, 2026 filed Sept. 3, 2026 PATEL DINESH V PH D President and CEO $0 510 −0% No
Aug. 12, 2026 filed Aug. 10, 2026 PATEL DINESH V PH D President and CEO 0 0% Yes
June 25, 2026 filed June 23, 2026 Waddill William D. Director $912,600 27,000 Yes

About this data

Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.

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Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.

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