Insider Trading & Ownership of Mark E. Strome
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Location
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Santa Monica, CA
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Summary
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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.
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Signature
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/s/ Mark E. Strome
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Follow Mark E. Strome and return when a new Insider Trading filing appears.
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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
Continue ownership research
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 |
|
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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.