AlphaYouJH
Insider selling
Joseph H. Griffith IV sold $125K of 908 Devices Inc. (MASS) stock
Joseph H. Griffith IV, Chief Financial Officer of 908 Devices Inc. (MASS), sold 11,459 shares of MASS stock worth $125K, per an SEC Form 4 filed Aug 27, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on Aug 25, 2026, 2 days before it was made public.
MASS has moved +1.6% since the trade date, from $11.00 to $11.18 (Sep 22, 2026 close).
- Traded
- Aug 25, 2026
- Disclosed
- Aug 27, 2026
- Filing delay
- 2 days
- Price since
- +1.6%
- Role
- Chief Financial Officer
- Source
- SEC Form 4
More MASS insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.