Insider Trading & Ownership of Mark E. Strome

Location
Santa Monica, CA
Summary
The estimated net worth of Mark E. Strome is at least $16,656,346 dollars as of 17 Feb 2026. Mark E. Strome is the 10%+ Owner of HeartBeam, Inc. and owns shares of HeartBeam, Inc. (BEAT) stock worth about $10.51M. Mark E. Strome is the 10%+ Owner of Zivo Bioscience, Inc. and owns shares of Zivo Bioscience, Inc. (ZIVO) stock worth about $4.62M. 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.
Signature
/s/ Mark E. Strome
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Quick Takeaways

  • Mark E. Strome has 3 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $16,656,346.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: HeartBeam, Inc. ($10,512,743).
  • Past-year value change for that position: -$895,000.

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.

Official SEC Source

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. 10%+ Owner $10,512,743 -$895,000 -7.8% 09 Feb 2026
ZIVO, ZIVOW Zivo Bioscience, Inc. 10%+ Owner $4,620,643 +$445,396 +11% 12 Feb 2026
AREN Arena Group Holdings, Inc. A member of a 10% beneficial owner group $1,522,960 31 Dec 2024

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.