Ambiq Micro (AMBQ) executive compensation, 2026 proxy

Fumihide Esaka, Chief Executive Officer, was paid $6.3M in 2025, up 128% from $2.7M the year before.

Filed
April 22, 2026
Annual meeting
June 8, 2026
Pay year
2025
Named executives
3
CEO total pay
$6.3M+128% vs prior year
CEO pay in equity
76%$4.7M in awards
CEO Stock Awards
$4,746,040Granted under equity incentive plan
CFO Sign-on Bonus
$200,000Paid upon joining in June 2025
CFO Target Bonus
65%Percentage of annual base salary

How Esaka was paid

$6.3M in total for 2025, as reported in the Summary Compensation Table. Equity awards are valued at grant, not at what they turned out to be worth.

Salary13%Bonus8%Stock awards76%All other compensation3%

Named executive officers

ExecutiveTotal
Fumihide EsakaChief Executive Officer$6,271,304
Jeff WinzelerChief Financial Officer$4,207,118
Scott Hanson, Ph.D.Chief Technology Officer$3,334,794

What changed and why

  • $6.3MCEO Fumihide Esaka received total compensation of $6,271,304 in 2025 compared to $2,744,676 in 2024.
  • $4.7MThe increase in compensation was primarily driven by stock awards granted in 2025 totaling $4,746,040.
  • Named executive officers were awarded discretionary annual performance bonuses and one-time cash bonuses for IPO contributions and retention.
  • $4.2MJeff Winzeler joined as Chief Financial Officer in June 2025 with total compensation of $4,207,118.
  • Base salaries for executive officers were increased effective September 15, 2025.

About this page

Figures are automated and can be wrong; check the filing for the exact numbers. Totals follow SEC rules, which value stock and option awards at grant. Read the DEF 14A proxy statement for footnotes and the compensation committee's full reasoning.