Fumihide Esaka

AMBQ

Fumihide Esaka serves as director, officer: Chief Executive Officer 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

6 trades

$16.61M

Net Position

Net Seller

$16.61M

Companies Traded

AMBQ

Active Period

May 2026 – Oct 2026

6 total trades

Most Recent

Sell AMBQ

Oct 16, 2026 · $230.4K

Fumihide Esaka's Insider Trading at Ambiq Micro, Inc. (AMBQ)

Buys

0 · $0.00

Sells

6 · $16.61M

Total Shares Bought

Total Shares Sold

266,560

AMBQ Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Oct 16, 2026	Sell	4,500	$51.21	$230.4K	447,900
Oct 6, 2026	Sell	16,560	$69.60	$1.15M	453,347
Sep 15, 2026	Sell	63,500	$62.70	$3.98M	470,175
Sep 2, 2026	Sell	108,500	$56.89	$6.17M	479,860
Aug 18, 2026	Sell	13,500	$64.39	$869.2K	463,407
May 18, 2026	Sell	60,000	$70.02	$4.20M	391,189