AMPRIUS TECHNOLOGIES INC

Insider Trading & Executive Data

AMPX
NYSE
Industrials
Electrical Equipment & Parts

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74 insider trades in the last year. Go beyond summary counts with transaction-level detail, compensation intelligence, and institutional ownership context.

Trade-level insider transactions with filing links, transaction codes, and footnotes
Executive compensation trends by role with year-over-year comparisons
Institutional ownership shifts by quarter with top-holder concentration data
Form 144 and Form 8-K monitoring with AI analysis and CSV export tools

Insider Activity Summary

Insider Trades (1Y)
74
2 in last 30 days
Buy / Sell (1Y)
33/41
Acquisitions / Dispositions
Unique Insiders (1Y)
11
Active in past year
Insider Positions
17
Current holdings
Position Status
14/3
Active / Exited
Institutional Holders
186
Latest quarter
Board Members
9

Compensation & Governance

Avg Total Compensation
$2.2M
Latest year: 2024
Executives Covered
3
Comp records available
Form 8-K Events (1Y)
4
Personnel Changes (1Y)
4
Bonus Plan Events (1Y)
1
Organization Changes (1Y)
1
Board Appointments (1Y)
3
Board Departures (1Y)
2

Restricted Sales

Form 144 Filings (1Y)
15
Form 144 Insiders (1Y)
3
Planned Sale Shares (1Y)
3.9M
Planned Sale Value (1Y)
$39.5M
Price
$10.76
Market Cap
$1.4B
Volume
29,778
EPS
$-0.03
Revenue
$21.4M
Employees
108
About AMPRIUS TECHNOLOGIES INC

Company Overview

Amprius Technologies develops high-performance lithium‑ion batteries built on proprietary silicon‑anode technology, selling into mobility markets (primarily aviation — UAS, HAPS, eVTOL — with EV/LEV applications) through two product platforms: SiCore (commercially launched, largely contract‑manufactured) and SiMaxx (in‑house Fremont production). The company has shown rapid commercial adoption — shipments to 235 customers in 2024, >800,000 battery units shipped through 2024, revenue up 167% to $24.2M in 2024 and continued strong growth in 2025 — while retaining a concentrated technology and manufacturing footprint (Fremont line, contract partners including Berzelius, and a contingent Brighton GWh‑scale plan). Key operational levers are scaling manufacturing capacity (access to up to ~1.8 GWh via partners), protecting IP (86 patents issued/pending), managing supply dependencies (silane, nickel, Berzelius anode supply) and executing customer qualifications that drive order timing. Capital intensity, lease obligations and reliance on contract manufacturers are principal near‑term risks that shape execution and cash needs.

Executive Compensation Practices

Amprius has materially increased equity‑based pay as it commercializes — total stock‑based compensation nearly doubled to ~$7.3M in 2024 — suggesting management and the board are using equity grants to conserve cash while aligning management incentives to long‑term commercialization. Given the business stage, compensation is likely weighted toward performance and milestone‑based awards tied to ramp metrics (revenue growth, shipments/customer wins, kWh production capacity, gross margin improvement and successful qualification of customers and contract manufacturers) and strategic outcomes (Brighton funding decisions, major government or OEM contracts). R&D expansion, hires such as the new President, and frequent equity financings (ATM program and warrant-related proceeds) imply sign‑on awards, time‑ and performance‑vesting equity, and option exercises will be important components of total compensation. Valuation inputs for awards (Black‑Scholes assumptions) and the company’s need to preserve cash make the timing and structure of grants — and subsequent dilution — notable governance items for investors.

Insider Trading Considerations

Because Amprius is heavily financed through equity (ATM facility, warrant exercises) and uses equity grants as compensation, insider sales and option exercises are more common and can coincide with dilution events; monitor Form 4s around ATM placements, warrant exercises and after material positive updates (customer validations, capacity contracts) for signs of insider monetization or confidence. Material milestones (Fremont‑produced SiCore deliveries, South Korea contract manufacturing, Brighton funding decisions, and government contracts/DIU awards) are likely blackout/event windows — trades immediately before/after these announcements can carry informative signal and regulatory scrutiny. Government contract exposure and potential ITAR/EAR export controls create additional confidentiality and compliance obligations that may impose tighter trading windows for insiders working on restricted programs. Finally, watch disclosures around large lease commitments and cash‑burn trends; insider transactions coinciding with urgent capital raises may reflect liquidity needs rather than purely confidence in fundamentals.

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