David Y. Liu, Chief Scientific Officer at Protagonist Therapeutics, Inc (PTGX), sold 3,395 shares at $8.85 ($30K) on 2019-08-06, disclosed to the SEC on 2019-08-08.
Open-market sale of $30k PTGX by Chief Scientific Officer. 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 → |
| PTGX | SELL | 2019-02-08 | $30K | — | Filing → |
| PTGX | SELL | 2018-03-13 | $75K | — | Filing → |
| PTGX | SELL | 2018-03-02 | $18K | — | Filing → |