Protagonist Therapeutics, Inc (PTGX) has 4 SEC Form 4 insider filings on record in the last 90 days. Most recent filing: Sept. 10, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
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| Sept. 10, 2026 filed Sept. 8, 2026 | PATEL DINESH V PH D President and CEO | — | 0 | — | Yes | |
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| Sept. 8, 2026 filed Sept. 3, 2026 | PATEL DINESH V PH D President and CEO | $0 | 510 | −0% | No | |
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| Aug. 12, 2026 filed Aug. 10, 2026 | PATEL DINESH V PH D President and CEO | — | 0 | 0% | Yes | |
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| June 25, 2026 filed June 23, 2026 | Waddill William D. Director | $912,600 | 27,000 | — | Yes | |
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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.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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