Sean Chihhsiang Chen

AMBQ

Sean Chihhsiang Chen serves as officer: President and COO at Ambiq Micro, Inc. (AMBQ). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

3 trades

$5.71M

Net Position

Net Seller

$5.71M

Companies Traded

AMBQ

Active Period

May 2026 – Sep 2026

3 total trades

Most Recent

Sell AMBQ

Sep 15, 2026 · $902.1K

Sean Chihhsiang Chen's Insider Trading at Ambiq Micro, Inc. (AMBQ)

Buys

0 · $0.00

Sells

3 · $5.71M

Total Shares Bought

Total Shares Sold

85,685

AMBQ Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
Sep 15, 2026	Sell	15,000	$60.14	$902.1K	132,675
Sep 9, 2026	Sell	15,000	$57.17	$857.6K	122,401
May 18, 2026	Sell	55,685	$70.89	$3.95M	143,609

Related Insiders

Fumihide Esaka

director, officer: Chief Executive Officer

AMBQSell · Sep 15, 2026

ZHANG KER

director

AMBQSell · Sep 15, 2026

Scott McLean Hanson

director, officer: Chief Technology Officer

AMBQSell · Aug 28, 2026

Timothy Chen

director

AMBQSell · May 29, 2026

Jeffrey G Winzeler

officer: Chief Financial Officer

AMBQSell · May 18, 2026

Michele Kim Connors

officer: General Counsel

AMBQSell · Apr 6, 2026

TAUTGES JOSEPH A

Director

AMBQSell · Jan 26, 2026

Explore More Insider Trading Data

AMBQ Insider Trading Activity

View all insider trades at Ambiq Micro, Inc.

Technology Sector Insider Trades

See insider activity across technology stocks

Latest Insider Buys

Most recent insider purchases across all stocks

CEO Stock Purchases

Track CEO buying activity