Harold E. Selick, Director at Protagonist Therapeutics, Inc (PTGX), sold 24,000 shares at $105.00 ($2.5M) on 2026-03-26, disclosed to the SEC on 2026-03-27.
Open-market sale of $2.5M PTGX by Director. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| Filing → |
| THLD | BUY | 2011-03-15 | $100K | — | Filing → |
| THLD | BUY | 2009-10-06 | $97K | — | Filing → |
| THLD | BUY | 2009-06-05 | $30K | — | Filing → |