Insider Trading & Ownership of Mark E. Strome

Location
Santa Monica, CA
Summary
The estimated net worth of Mark E. Strome is at least $5,719,587 dollars as of 24 Apr 2026. Mark E. Strome is the Director of HeartBeam, Inc. and owns shares of HeartBeam, Inc. (BEAT) stock worth about $3.05M. Mark E. Strome is the A member of a 10% beneficial owner group of Arena Group Holdings, Inc. and owns shares of Arena Group Holdings, Inc. (AREN) stock worth about $1.52M. Mark E. Strome is the 10%+ Owner of Zivo Bioscience, Inc. and owns shares of Zivo Bioscience, Inc. (ZIVO) stock worth about $1.15M.
Signature
/s/ Mark E. Strome Mark E. Strome
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Quick Takeaways

  • Mark E. Strome has 3 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $5,719,587.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: HeartBeam, Inc. ($3,050,743).
  • Past-year value change for that position: -$295,000.

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 E. Strome

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
BEAT, BEATW HeartBeam, Inc. Director $3,050,743 -$295,000 -8.8% 16 Apr 2026
AREN Arena Group Holdings, Inc. A member of a 10% beneficial owner group $1,522,960 31 Dec 2024
ZIVO, ZIVOW Zivo Bioscience, Inc. 10%+ Owner $1,145,884 +$645,396 +129% 17 Apr 2026

Insider Transactions Reported by Mark E. Strome:

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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