Who
Brian Jay Stark
Director
Company insider
Files Form 4 as: Director, Marcus; Director and 10% owner, SteadyMed; 10% owner, Isolagen; 10% owner, Applied Neurosolutions; 10% owner, North American Scientific; 10% owner, Planetout; 10% owner, Multi Fineline Electronix; 10% owner, Smart Balance.
In numbers
- Trades disclosed
- 1,068
- Buys
- 23
- Sells
- 86
- Bought
- $29.6M
- Sold
- $55.5M
- Companies
- 12
- Companies where not an officer
- 12
- First trade
- 8 Mar 2006
- Last trade
- 21 May 2026
- Last filed
- 27 May 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 | |
|---|---|---|---|---|
| 21 May 2026filed 27 May 2026 | MCS MarcusStreaming & media | SEC FORM 4 Code A | $25K1,391 at $17.97 | filing |
| 21 May 2026filed 27 May 2026 | MCS MarcusStreaming & media | SEC FORM 4 Code A | $25K1,391 at $17.97 | filing |
| 21 May 2026filed 26 May 2026 | MCS MarcusStreaming & media | SEC FORM 4 Code A | $25K1,391 at $17.97 | filing |
| 21 May 2026filed 26 May 2026 | MCS MarcusStreaming & media | SEC FORM 4 Code A | $25K1,391 at $17.97 | filing |
| 31 Dec 2025filed 5 Jan 2026 | MCS MarcusStreaming & media | SEC FORM 4 Code A | —4,174 at $0.00 | filing |
| 31 Dec 2025filed 5 Jan 2026 | MCS MarcusStreaming & media | SEC FORM 4 Code A | —4,174 at $0.00 | filing |
| 7 May 2025filed 9 May 2025 | MCS MarcusStreaming & media | SEC FORM 4 Code A | $25K1,538 at $16.25 | filing |
| 26 Dec 2024filed 30 Dec 2024 | MCS MarcusStreaming & media | SEC FORM 4 Code A | —2,956 at $0.00 | filing |
| 23 May 2024filed 28 May 2024 | MCS MarcusStreaming & media | SEC FORM 4 Code A | $25K2,154 at $11.60 | filing |
| 28 Dec 2023filed 2 Jan 2024 | MCS Marcusoption or derivative · Streaming & media | SEC FORM 4 Code A | —1,455 at $0.00 | filing |
| 28 Dec 2023filed 2 Jan 2024 | MCS MarcusStreaming & media | SEC FORM 4 Code A | —3,113 at $0.00 | filing |
| 24 May 2023filed 26 May 2023 | MCS Marcusoption or derivative · Streaming & media | SEC FORM 4 Code M | —1,000 at $0.00 | filing |
| 24 May 2023filed 26 May 2023 | MCS MarcusStreaming & media | SEC FORM 4 Code M | $13K1,000 at $13.45 | filing |
| 23 May 2023filed 25 May 2023 | MCS MarcusStreaming & media | SEC FORM 4 Code A | —1,510 at $0.00 | filing |
| 29 Dec 2022filed 3 Jan 2023 | MCS Marcusoption or derivative · Streaming & media | SEC FORM 4 Code A | —1,438 at $0.00 | filing |
| 29 Dec 2022filed 3 Jan 2023 | MCS MarcusStreaming & media | SEC FORM 4 Code A | —2,986 at $0.00 | filing |
| 16 May 2022filed 18 May 2022 | MCS Marcusoption or derivative · Streaming & media | SEC FORM 4 Code M | —500 at $0.00 | filing |
| 16 May 2022filed 18 May 2022 | MCS MarcusStreaming & media | SEC FORM 4 Code M | $6,665500 at $13.33 | filing |
| 10 May 2022filed 11 May 2022 | MCS MarcusStreaming & media | SEC FORM 4 Code A | —1,558 at $0.00 | filing |
| 6 Jan 2022filed 7 Jan 2022 | MCS Marcusoption or derivative · Streaming & media | SEC FORM 4 Code M | —1,000 at $0.00 | filing |
The newest 500 lines are listed; the numbers count every line.
News
No headline names them, or the companies they trade most, lately.