Who
Mark E. Strome
10% owner
Company insider
Files Form 4 as: 10% owner, Zivo Bioscience; Director and 10% owner, Heartbeam; 10% owner and Other, The Arena Group Holdings.
In numbers
- Trades disclosed
- 46
- Buys
- 14
- Sells
- 2
- Bought
- $6.1M
- Sold
- $1.3M
- Companies
- 3
- Companies where not an officer
- 3
- First trade
- 30 Mar 2018
- Last trade
- 17 Apr 2026
- Last filed
- 24 Apr 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 17 Apr 2026filed 24 Apr 2026 | Zivo BioscienceBiotechnology | SEC FORM 4 Bought | $200K100,000 at $2.00 | filing |
| 16 Apr 2026filed 16 Apr 2026 | BEAT HeartbeamMedical Devices | SEC FORM 4 Bought | $600K750,000 at $0.80 | filing |
| 16 Apr 2026filed 16 Apr 2026 | BEAT HeartbeamMedical Devices | SEC FORM 4 Bought | $600K750,000 at $0.80 | filing |
| 12 Feb 2026filed 17 Feb 2026 | Zivo BioscienceBiotechnology | SEC FORM 4 Bought | $195K20,000 at $9.77 | filing |
| 12 Feb 2026filed 17 Feb 2026 | Zivo Bioscienceoption or derivative · Biotechnology | SEC FORM 4 Code P | —2,000 at $0.00 | filing |
| 9 Feb 2026filed 23 Mar 2026 | BEAT Heartbeamoption or derivative · Medical Devices | SEC FORM 4 Code A | —41,380 at $0.00 | filing |
| 9 Feb 2026filed 23 Mar 2026 | BEAT Heartbeamoption or derivative · Medical Devices | SEC FORM 4 Code A | —41,380 at $0.00 | filing |
| 17 Dec 2025filed 22 Dec 2025 | BEAT HeartbeamMedical Devices | SEC FORM 4 Sold | $895K250,000 at $3.58 | filing |
| 26 Dec 2024filed 31 Dec 2024 | Zivo Bioscienceoption or derivative · Biotechnology | SEC FORM 4 Code P | —7,500 at $0.00 | filing |
| 26 Dec 2024filed 31 Dec 2024 | Zivo BioscienceBiotechnology | SEC FORM 4 Bought | $1.5M75,000 at $20.19 | filing |
| 15 Nov 2024filed 23 Jan 2025 | The Arena Group HoldingsBroadcasting & cable | SEC FORM 4 Sold | $372K217,574 at $1.71 | filing |
| 27 Aug 2024filed 23 Jan 2025 | Zivo Bioscienceoption or derivative · Biotechnology | SEC FORM 4 Code P | —3,000 at $0.00 | filing |
| 27 Aug 2024filed 23 Jan 2025 | Zivo BioscienceBiotechnology | SEC FORM 4 Bought | $253K30,000 at $8.44 | filing |
| 12 Jun 2024filed 20 Jun 2024 | BEAT HeartbeamMedical Devices | SEC FORM 4 Code A | —33,185 at $0.00 | filing |
| 13 Jul 2023filed 18 Jul 2023 | BEAT HeartbeamMedical Devices | SEC FORM 4 Code A | —23,961 at $0.00 | filing |
| 31 Dec 2020filed 5 Jan 2021 | PAAI Paradium.AIBroadcasting & cable | SEC FORM 4 Code C | $1.5M3,750,000 at $0.40 | filing |
| 31 Dec 2020filed 5 Jan 2021 | PAAI Paradium.AIBroadcasting & cable | SEC FORM 4 Code C | $348K1,055,930 at $0.33 | filing |
| 31 Dec 2020filed 5 Jan 2021 | PAAI Paradium.AIoption or derivative · Broadcasting & cable | SEC FORM 4 Code J | — | filing |
| 31 Dec 2020filed 5 Jan 2021 | PAAI Paradium.AIoption or derivative · Broadcasting & cable | SEC FORM 4 Code C | — | filing |
| 31 Dec 2020filed 5 Jan 2021 | PAAI Paradium.AIoption or derivative · Broadcasting & cable | SEC FORM 4 Code C | — | filing |
News
HeartBeam (NASDAQ:BEAT) Upgraded at Wall Street ZenBEAT · themarketsdaily.com · 13 Oct 2026
0 headlines in the last 90 days name Mark E. Strome; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.