Ambiq Micro, Inc.

By person

11 insiders · 25 transactions

33.7×

Fumihide Esaka holds 33.7 times base salary in stock. $28.09M 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 $61.00, the price Common Stock was last bought or sold at on the open market here, on 15 Sep 2026.

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Esaka Fumihide

Chief Executive Officer

—

$10.15M (14) scheduled

−$10.15M

460,460

1.90%

$28.09M

+2,608%

Hanson Scott McLean

Chief Technology Officer

—

$3.28M (3) scheduled

−$3.28M

221,226

0.9147%

$13.49M

+351.5%

Chen Sean Chihhsiang

President and COO

—

$1.76M (5) scheduled

−$1.76M

120,275

0.4973%

$7.34M

—

ZHANG KER

Director

—

$644.89K (3)

−$644.89K

20,366

0.0842%

$1.24M

—

KPCB XVI Associates, LLC entity

10% owner

—

1,488,949

6.16%

$90.83M

+251.1%

HSIEH Wen Hsuan

Director

—

638,877

2.64%

$38.97M

—

Winzeler Jeffrey G

Chief Financial Officer

—

106,299

0.4395%

$6.48M

—

Connors Michele Kim

General Counsel

—

60,554

0.2504%

$3.69M

—

TAUTGES JOSEPH A

Director

—

53,703

0.2221%

$3.28M

—

Chen Timothy

Director

—

52,575

0.2174%

$3.21M

−25.5%

Banks Bernard Bennett

Director

—

4,957

0.0205%

$302.38K

—

Individual transactions

Insider

Date

Role

Action

Price

Amount

Esaka Fumihide

15 Sep 2026

Chief Executive Officer

Sold after exercise

100

$61.00

$6.10K

Esaka Fumihide

15 Sep 2026

Chief Executive Officer

Sold after exercise

9,615

$60.55

$582.17K

Esaka Fumihide

15 Sep 2026

Chief Executive Officer

Sold after exercise

3,785

$59.56

$225.44K

Chen Sean Chihhsiang

14 Sep 2026

President and COO

Sold after exercise

1,400

$60.83

$85.17K

Chen Sean Chihhsiang

14 Sep 2026

President and COO

Sold after exercise

11,000

$60.24

$662.62K

Chen Sean Chihhsiang

14 Sep 2026

President and COO

Sold after exercise

2,600

$59.36

$154.35K

Esaka Fumihide

11 Sep 2026

Chief Executive Officer

Sold after exercise

7,917

$63.86

$505.57K

Esaka Fumihide

11 Sep 2026

Chief Executive Officer

Sold after exercise

42,083

$63.27

$2.66M

ZHANG KER

4 Sep 2026

Director

Sold after exercise

185

$56.92

$10.53K

Chen Sean Chihhsiang

4 Sep 2026

President and COO

Sold after exercise

2,126

$57.68

$122.62K

Chen Sean Chihhsiang

4 Sep 2026

President and COO

Sold after exercise

12,874

$57.09

$734.93K

Esaka Fumihide

2 Sep 2026

Chief Executive Officer

Sold after exercise

9,575

$56.77

$543.57K

Esaka Fumihide

2 Sep 2026

Chief Executive Officer

Sold after exercise

1,452

$56.15

$81.53K

Esaka Fumihide

1 Sep 2026

Chief Executive Officer

Sold after exercise

48,973

$56.39

$2.76M

Esaka Fumihide

31 Aug 2026

Chief Executive Officer

Sold after exercise

5,600

$58.46

$327.36K

Esaka Fumihide

31 Aug 2026

Chief Executive Officer

Sold after exercise

13,800

$57.70

$796.28K

Esaka Fumihide

31 Aug 2026

Chief Executive Officer

Sold after exercise

15,600

$56.81

$886.22K

Esaka Fumihide

31 Aug 2026

Chief Executive Officer

Sold after exercise

2,100

$58.52

$122.89K

Esaka Fumihide

31 Aug 2026

Chief Executive Officer

Sold after exercise

5,501

$57.75

$317.71K

Esaka Fumihide

31 Aug 2026

Chief Executive Officer

Sold after exercise

5,899

$56.87

$335.45K

Hanson Scott McLean

27 Aug 2026

Chief Technology Officer

Sold after exercise

4,910

$60.32

$296.18K

Hanson Scott McLean

27 Aug 2026

Chief Technology Officer

Sold after exercise

22,590

$59.69

$1.35M

Hanson Scott McLean

26 Aug 2026

Chief Technology Officer

Sold after exercise

27,500

$59.58

$1.64M

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