Insider Trading & Ownership of Mark N. Tompkins

Location
Lugano Paradiso
Summary
The estimated net worth of Mark N. Tompkins is at least $59,582,332 dollars as of 05 Feb 2026. Mark N. Tompkins is the Former 10% Owner of Aeluma, Inc. and owns shares of Aeluma, Inc. (ALMU) stock worth about $28.73M. Mark N. Tompkins is the Former Director of Patricia Acquisition Corp. and owns shares of Serve Robotics Inc. /DE/ (SERV) stock worth about $15.55M. Mark N. Tompkins is the Former Director of Guerrilla RF, Inc. and owns shares of Guerrilla RF, Inc. (GUER) stock worth about $5.4M. Mark N. Tompkins is the 10%+ Owner of Amesite Inc. and owns shares of Amesite Inc. (AMST) stock worth about $5.1M. Mark N. Tompkins is the Former Director of Venetian-1 Acquisition Corp. and owns shares of Lomond Therapeutics Holdings, Inc. stock worth about $4.8M.
Signature
/s/ Mark N. Tompkins
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Quick Takeaways

  • Mark N. Tompkins has 12 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $59,582,332.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: Aeluma, Inc. ($28,725,311).
  • Past-year value change for that position: -$17,997,456.

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.

Source Evidence

Filed on Form 4

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

See Original Filing

Ownership of Mark N. Tompkins

ALMU Forms 3/4/5

Aeluma, Inc.

Relationship
Former 10% Owner
Holdings value
$28,725,311
Past year net change
-$17,997,456
Change %
-39%
Report period
04 Feb 2026
AMST Forms 3/4/5

Amesite Inc.

Relationship
10%+ Owner
Holdings value
$5,103,671
Past year net change
Change %
Report period
28 May 2021

Insider Transactions Reported by Mark N. Tompkins:

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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