AlphaYouED
Insider selling
Eric D. Shaff sold $2K of Seres Therapeutics, Inc. (MCRB) stock
Eric D. Shaff, Dir of Seres Therapeutics, Inc. (MCRB), sold 259 shares of MCRB stock worth $2K, per an SEC Form 4 filed May 19, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on May 15, 2026, 4 days before it was made public.
MCRB has moved -46.7% since the trade date, from $7.64 to $4.07 (Sep 21, 2026 close).
- Traded
- May 15, 2026
- Disclosed
- May 19, 2026
- Filing delay
- 4 days
- Price since
- -46.7%
- Role
- Dir
- Source
- SEC Form 4
More MCRB insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.