AlphaYouBG
Insider selling
Bryan Giraudo sold $5.9M of Protagonist Therapeutics, Inc (PTGX) stock
Bryan Giraudo, Dir of Protagonist Therapeutics, Inc (PTGX), sold 59,130 shares of PTGX stock worth $5.9M, per an SEC Form 4 filed May 12, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on May 7, 2026, 5 days before it was made public.
PTGX has moved +46.7% since the trade date, from $98.85 to $144.98 (Sep 21, 2026 close).
- Traded
- May 7, 2026
- Disclosed
- May 12, 2026
- Filing delay
- 5 days
- Price since
- +46.7%
- Role
- Dir
- Source
- SEC Form 4
More PTGX insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.