Sean Chihhsiang Chen Net Worth

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Sean Chihhsiang Chen has an estimated net worth of at least $13.8 million*, as of Oct. 21, 2026. They own 121,268 shares of AMBQ stock. They have sold 114,692 shares of AMBQ stock since 2021, for an estimated $7.4 million.

Sean Chihhsiang Chen $AMBQ SEC Form 4 Insider Trading

Sean Chihhsiang Chen has filed a total of 19 insider trades in $AMBQ since 2021. Their most recent trade was a sale of 7,539 shares, made on Oct 14, 2026. Their largest trade was a sale of 32,351 shares, made on May 15, 2026. We estimate that they now own 121,268 shares of $AMBQ, worth an estimated $6.4 million.

Insider Trading at $AMBQ

There have been a total of 79 insider trades reported at $AMBQ since 2021, with 0 shares purchased and 607,475 shares sold. The most active insider traders in $AMBQ stock have been Fumihide Esaka, Scott Mclean Hanson, and Sean Chihhsiang Chen. The most recent trade was a sale of 3,700 shares reported by Scott McLean Hanson (Chief Technology Officer), made on Oct 15, 2026.

History of Insider Stock Trades by Sean Chihhsiang Chen

Company Ticker	Purchase / Sale	Shares	Date	Disclosed (EST)
AMBQ	Sale	7,539	Oct 14, 2026	Oct. 16, 2026, 4:51 p.m.
AMBQ	Sale	200	Oct 14, 2026	Oct. 16, 2026, 4:51 p.m.
AMBQ	Sale	4,000	Oct 14, 2026	Oct. 16, 2026, 4:51 p.m.
AMBQ	Sale	2,000	Oct 14, 2026	Oct. 16, 2026, 4:51 p.m.
AMBQ	Sale	1,261	Oct 14, 2026	Oct. 16, 2026, 4:51 p.m.
AMBQ	Sale	302	Oct 02, 2026	Oct. 6, 2026, 6:45 p.m.
AMBQ	Sale	2,492	Oct 02, 2026	Oct. 6, 2026, 6:45 p.m.
AMBQ	Sale	3,008	Oct 02, 2026	Oct. 6, 2026, 6:45 p.m.
AMBQ	Sale	5,508	Oct 05, 2026	Oct. 6, 2026, 6:45 p.m.
AMBQ	Sale	1,797	Oct 05, 2026	Oct. 6, 2026, 6:45 p.m.
AMBQ	Sale	800	Oct 05, 2026	Oct. 6, 2026, 6:45 p.m.
AMBQ	Sale	100	Oct 05, 2026	Oct. 6, 2026, 6:45 p.m.
AMBQ	Sale	11,000	Sep 14, 2026	Sept. 18, 2026, 7:53 p.m.
AMBQ	Sale	1,400	Sep 14, 2026	Sept. 18, 2026, 7:53 p.m.
AMBQ	Sale	2,600	Sep 14, 2026	Sept. 18, 2026, 7:53 p.m.
AMBQ	Sale	12,874	Sep 04, 2026	Sept. 9, 2026, 9:55 p.m.
AMBQ	Sale	2,126	Sep 04, 2026	Sept. 9, 2026, 9:55 p.m.
AMBQ	Sale	32,351	May 15, 2026	May 18, 2026, 5:48 p.m.
AMBQ	Sale	23,334	May 15, 2026	May 18, 2026, 5:48 p.m.

$AMBQ Executives and Stock Owners with Insider Trades

Fumihide Esaka, Chief Executive Officer
Scott Mclean Hanson, Chief Technology Officer
Sean Chihhsiang Chen, President and COO
Jeffrey G Winzeler, Chief Financial Officer
Michele Kim Connors, General Counsel

*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.