Velarion · Company Intelligence
Compensation Brief
Fiscal year 2025 · Filings through 2026-04-29

Amprius Technologies (AMPX)

Fiscal year 2025 executive and director compensation, incentive-plan design, equity activity, and governance — every figure in this brief is traceable to its exact location in the company’s SEC filing — the document, the section, the page, and the table, linked directly.

$3,354,715
Thomas Stepien total, FY2025
CEO pay percentile vs peers
CEO-to-median pay ratio
Say-on-pay support, latest vote
Companies that benchmark against AMPX
No companies currently name AMPX as a compensation peer in their most recent disclosure.

This is the complete answer, not a partial one — the list is never padded.

01

Summary Compensation Table — fiscal year 2025

Named executive officerSalaryBonusStock awardsOption awardsNon-equity incentivePension / NQDCAll otherTotal
Thomas Stepien$319,712$238,292$2,746,000$0$0$0$50,711$3,354,715
President, Chief Executive Officer
Ricardo Rodriguez109,282158,7842,688,00000026,0282,982,094
Chief Financial Officer
Kang Sun633,000680,4751,318,6800006002,632,755
Executive Advisor

A dash means the company reported no figure in that column; 0 means it reported zero. Figures are as printed in the filing, without adjustment.

Three-year trend — total compensation per named executive

Named executive officerFY2025 totalFY2024 totalFY2023 totalΔ FY20242025
Thomas Stepien$3,354,715
Ricardo Rodriguez2,982,094
Kang Sun2,632,755

Prior-year totals as disclosed in the corresponding proxy; deltas are computed values with the derivation shown in the register.

02

Equity transactions since the proxy statement was filed

No insider equity transactions reported since the proxy statement.

03

Grants of plan-based awards — fiscal year 2025

ExecutiveAwardGrant dateThresholdTargetGrantedMaximumGrant-date fair value
Kang SunRSU2025-03-19167,130$1,318,680
Ricardo RodriguezRSU2025-03-19340,6842,688,000
Thomas StepienRSU2025-03-193,556,0002,746,000
03b

Vehicle mix — grant-date fair value by award type

Named executive officerTime-vested (RSU)Performance-vested (PSU)Options / SARs% performance-vested
Kang Sun$1,318,680$0$00.0%
Ricardo Rodriguez2,688,000000.0%
Thomas Stepien2,746,000000.0%

% performance-vested = PSU grant-date fair value ÷ (RSU + PSU + Options), a computed value with the derivation shown in the register.

04

Outstanding equity awards at fiscal year-end 2025

ExecutiveAwardShares unvestedExercise priceMarket value unvested
Kang SunRSU798,564$6,300,670
Kang SunRSU487,0123,842,525
Thomas StepienRSU400,0003,156,000
Thomas StepienRSU200,0001,578,000
Ricardo RodriguezRSU200,0001,578,000
Kang SunOption15,1662.61
Kang SunOption147,8632.61
05

Incentive-plan design — the Compensation Discussion & Analysis

To attract, retain, incentivize and reward deeply talented and qualified executives who share our philosophy and desire to work towards achieving these goals. We believe our compensation program should promote the success of the company and align executive incentives with the long-term interests of our stockholders.

CEO STI target (% of salary)
CEO LTI target (% of salary)
Independent consultantCompensia
Clawback policytrue
Anti-hedging
Anti-pledging
07

CEO pay ratio

Ratio (CEO : median employee)
CEO total compensation
Median employee compensation
08

Director compensation — fiscal year 2025

DirectorCash feesStock awardsOption awardsNon-equity incentiveAll otherTotal
Donald R. DixonIndependent · Audit · Compensation$105,000$169,998$274,998
Dr. Wen HsiehIndependent · Audit · Compensation (Chair) · Not standing for re-election65,000169,998234,998
Kathleen BaylessIndependent · Audit (Chair) · Newly elected60,000169,998229,998
Dr. Steven ChuIndependent · Nominating and Corporate Governance (Chair)53,750169,998223,748
Livingston SatterthwaiteIndependent · Audit · Compensation · Nominating and Corporate Governance55,00099,167154,167
Kang SunEmployee director0
Thomas M. StepienEmployee director · Newly elected0
09

Board fee structure and ownership guideline

Annual cash retainer$50,000
Annual equity retainer$170,000
Per board meeting fee
Committee chair fees (audit / comp / nom-gov)20,000 / 15,000 / 15,000
Stock ownership guideline
09b

Total cost of the board

ComponentFY2025
Cash retainers and fees$338,750
Equity awards (grant-date value)$779,159
All other compensation$0
Total cost of the board$1,117,909

Computed as the sum of the director compensation table rows above; inputs and formula shown in the register.

10b

Chief executive pay against the peer group

Most recent fiscal-year chief executive compensation at each disclosed peer, taken from that company's own proxy statement.

RankCompanyFYChief executiveSalaryStock awardsOption awardsNon-equity incentiveTotal
1Amprius Technologies2025Thomas Stepien$319,712$2,746,000$0$0$3,354,715

Each peer's compensation is from its most recently filed proxy; fiscal years differ by company. Each peer's figures come from its own filings; the subject company is highlighted. Peers whose chief executive compensation is outside our coverage universe are stated as such, never left blank.

11

Source register

Each figure's location is given both for the eye (section · page · table · row · column) and for a script (table/row/column index and exact character span in the filed document). Any figure can be independently confirmed against the source.

#SupportsDocumentFiledAccessionLocation in document
1Section 01, Thomas StepienDEF 14A2026-04-290001899287-26-000026Section “Summary Compensation Table for Fiscal 2025” · page 25. As printed: 3,354,715. Filing ↗machine: r2 · c45 · span 309212–309221
2Section 01, Ricardo RodriguezDEF 14A2026-04-290001899287-26-000026Section “Summary Compensation Table for Fiscal 2025” · page 25. As printed: 2,982,094. Filing ↗machine: r4 · c45 · span 315425–315434
3Section 01, Kang SunDEF 14A2026-04-290001899287-26-000026Section “Summary Compensation Table for Fiscal 2025” · page 25. As printed: 2,632,755. Filing ↗machine: r6 · c45 · span 321586–321595
4Section 03, Kang Sun RSUDEF 14A2026-04-290001899287-26-000026Section “Executive Compensation” · grants of plan-based awards table. Filing ↗machine: span 320361–320370
5Section 03, Ricardo Rodriguez RSUDEF 14A2026-04-290001899287-26-000026Section “Executive Compensation” · grants of plan-based awards table. Filing ↗machine: span 314197–314206
6Section 03, Thomas Stepien RSUDEF 14A2026-04-290001899287-26-000026Section “Executive Compensation” · grants of plan-based awards table. Filing ↗machine: span 307802–307811
7Section 07, pay ratioDEF 14A2026-04-290001899287-26-000026Section “CEO Pay Ratio”. As printed: —. Filing ↗
8Section 08, Donald R. DixonDEF 14A2026-04-290001899287-26-000026Section “Director Compensation”. As printed: 274,998. Filing ↗machine: span 244103–244110
9Section 08, Dr. Wen HsiehDEF 14A2026-04-290001899287-26-000026Section “Director Compensation”. As printed: 234,998. Filing ↗machine: span 245751–245758
10Section 08, Kathleen BaylessDEF 14A2026-04-290001899287-26-000026Section “Director Compensation”. As printed: 229,998. Filing ↗machine: span 248994–249001
11Section 08, Dr. Steven ChuDEF 14A2026-04-290001899287-26-000026Section “Director Compensation”. As printed: 223,748. Filing ↗machine: span 247374–247381
12Section 08, Livingston SatterthwaiteDEF 14A2026-04-290001899287-26-000026Section “Director Compensation”. As printed: 154,167. Filing ↗machine: span 250621–250628
13Section 08, Kang SunDEF 14A2026-04-290001899287-26-000026Section “Director Compensation”. As printed: 0. Filing ↗
14Section 08, Thomas M. StepienDEF 14A2026-04-290001899287-26-000026Section “Director Compensation”. As printed: 0. Filing ↗
15Section 03b vehicle mix (computed)ComputedcomputedRSU / PSU / Options grant-date fair values summed per officer from the grants table; % performance-vested = PSU ÷ (RSU+PSU+Options).machine: formula: sums + PSU ratio
16Section 09b board cost (computed)ComputedcomputedCash 338,750 + equity 779,159 + all other 0 = 1,117,909, summed across the director compensation table rows.machine: formula: Σ = 1,117,909
17Amprius Technologies (subject), Section 10b CEO totalDEF 14A2026-04-290001899287-26-000026CEO total compensation as printed in Amprius Technologies's own proxy. As printed: 3,354,715. Filing ↗machine: r2 · c45 · span 309212–309221