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Insider selling
Fumihide Esaka sold $6.2M of Ambiq Micro, Inc. (AMBQ) stock
Fumihide Esaka, Chief Executive Officer of Ambiq Micro, Inc. (AMBQ), sold 108,500 shares of AMBQ stock worth $6.2M, per an SEC Form 4 filed Sep 2, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on Aug 31, 2026, 2 days before it was made public.
AMBQ has moved +21.9% since the trade date, from $58.31 to $71.09 (Sep 21, 2026 close).
- Traded
- Aug 31, 2026
- Disclosed
- Sep 2, 2026
- Filing delay
- 2 days
- Price since
- +21.9%
- Role
- Chief Executive Officer
- 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.