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

5 trades

$7.43M

Net Position

Net Seller

$7.43M

Companies Traded

AMBQ

Active Period

May 2026 – Oct 2026

5 total trades

Most Recent

Sell AMBQ

Oct 16, 2026 · $772.4K

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

Buys

0 · $0.00

Sells

5 · $7.43M

Total Shares Bought

Total Shares Sold

114,692

AMBQ Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Oct 16, 2026	Sell	15,000	$51.50	$772.4K	113,729
Oct 6, 2026	Sell	14,007	$67.95	$951.7K	117,783
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