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Insider Trading & Ownership of Thomas M. Stepien

Location
Fremont, CA
Summary
The estimated net worth of Thomas M. Stepien is at least $8,778,000 dollars as of 06 Mar 2026. Thomas M. Stepien is the Chief Executive Officer, Director of Amprius Technologies, Inc. and owns shares of Amprius Technologies, Inc. (AMPX) stock worth about $8.78M.
Signature
/s/ Ricardo C. Rodriguez, attorney-in-fact on behalf of Thomas M Stepien
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Quick Takeaways

  • Thomas M. Stepien has 1 issuer position tracked on this page.
  • Estimated disclosed ownership value: $8,778,000.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: Amprius Technologies, Inc. ($8,778,000).
  • Past-year value change for that position: .

Why This Matters

  • This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
  • You can cross-check role, issuer, and filing chronology directly against the SEC source.

Official SEC Source

Filed on Form 4

Insider ownership context is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Ownership of Thomas M. Stepien

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
AMPX, AMPX-WT Amprius Technologies, Inc. Chief Executive Officer, Director $8,778,000 04 Mar 2026

Insider Transactions Reported by Thomas M. Stepien:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

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