Sean Chihhsiang Chen sold $952K of Ambiq Micro, Inc. (AMBQ) stock

Sean Chihhsiang Chen, President and COO of Ambiq Micro, Inc. (AMBQ), sold 14,007 shares of AMBQ stock worth $952K, per an SEC Form 4 filed Oct 6, 2026.

The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.

The trade happened on Oct 2, 2026, 4 days before it was made public.

AMBQ has moved -7.2% since the trade date, from $68.18 to $63.24 (Oct 6, 2026 close).