Ambiq Micro, Inc. (AMBQ) insider trading

By person

11 insiders · 86 transactions

28.6×

Fumihide Esaka holds 28.6 times base salary in stock. $23.88M of shares against $832.17K in salary for 2025.

Salary from the company's own proxy. The shares are what Fumihide Esaka last reported holding, valued at $51.86, the price Common Stock was last bought or sold at on the open market here, on 15 Oct 2026.

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Fumihide Esaka

Chief Executive Officer

—

$16.63M (25) scheduled

−$16.63M

443,900

1.84%

$23.02M

+2,510%

Sean Chihhsiang Chen

President and COO

—

$7.43M (19) scheduled

−$7.43M

106,268

0.4394%

$5.51M

—

Scott McLean Hanson

Chief Technology Officer

—

$6.13M (20) scheduled

−$6.13M

212,546

0.8789%

$11.02M

+333.8%

Timothy Chen

Director

—

$5.63M (4)

−$5.63M

52,575

0.2174%

$2.73M

−25.5%

Jeffrey G Winzeler

Chief Financial Officer

—

$2.20M (5) scheduled

−$2.20M

100,844

0.4170%

$5.23M

—

Ker Zhang

Director

—

$644.89K (3)

−$644.89K

20,366

0.0842%

$1.06M

—

Joseph A Tautges

Director

—

$241.80K (1)

−$241.80K

53,703

0.2221%

$2.79M

—

Michele Kim Connors

General Counsel

—

$21.21K (2)

−$21.21K

60,554

0.2504%

$3.14M

—

KPCB XVI Associates, LLC entity

10% owner

—

1,488,949

6.16%

$77.22M

+251.1%

Wen Hsuan HSIEH

Director

—

638,877

2.64%

$33.13M

—

Bernard Bennett Banks

Director

—

4,957

0.0205%

$257.08K

—

Ambiq Micro, Inc.

What the insiders did Net selling

By person