SC
Insider selling
Sean Chihhsiang Chen sold $772K of AMBQ stock
Sean Chihhsiang Chen, President and COO of Ambiq Micro, Inc. (AMBQ), sold 15,000 shares of AMBQ stock worth $772K, per an SEC Form 4 filed Oct 16, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on Oct 14, 2026, 2 days before it was made public.
AMBQ has moved -1.1% since the trade date, from $51.55 to $50.98 (Oct 20, 2026 close).
- Traded
- Oct 14, 2026
- Disclosed
- Oct 16, 2026
- Filing delay
- 2 days
- Price since
- -1.1%
- Role
- President and COO
- Source
- SEC Form 4
More AMBQ insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.