Who
David I. Chemerow
Director
Company insider
Files Form 4 as: Director, AIM ImmunoTech; Director, RiceBran Technologies; Chief Financial Officer, comScore; Chief Operating Officer & CFO, Rentrak; Director, Playboy Enterprises.
In numbers
- Trades disclosed
- 132
- Buys
- 5
- Sells
- 1
- Bought
- $348K
- Sold
- $8.0M
- Companies
- 5
- Companies where not an officer
- 3
- First trade
- 30 Dec 2005
- Last trade
- 12 Mar 2026
- Last filed
- 16 Mar 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 | |
|---|---|---|---|---|
| 12 Mar 2026filed 16 Mar 2026 | AIM AIM ImmunoTechBiotechnology | SEC FORM 4 Code C | —25,000 at $0.00 | filing |
| 12 Mar 2026filed 16 Mar 2026 | AIM AIM ImmunoTechoption or derivative · Biotechnology | SEC FORM 4 Code C | —25 at $0.00 | filing |
| 12 Mar 2026filed 16 Mar 2026 | AIM AIM ImmunoTechoption or derivative · Biotechnology | SEC FORM 4 Code C | —25 at $0.00 | filing |
| 12 Mar 2026filed 16 Mar 2026 | AIM AIM ImmunoTechBiotechnology | SEC FORM 4 Code C | —25,000 at $0.00 | filing |
| 6 Mar 2026filed 10 Mar 2026 | AIM AIM ImmunoTechoption or derivative · Biotechnology | SEC FORM 4 Code J | $625K25 at $25,000.00 | filing |
| 6 Mar 2026filed 10 Mar 2026 | AIM AIM ImmunoTechoption or derivative · Biotechnology | SEC FORM 4 Code J | —50,000 at $0.00 | filing |
| 6 Mar 2026filed 10 Mar 2026 | AIM AIM ImmunoTechoption or derivative · Biotechnology | SEC FORM 4 Code J | $625K25 at $25,000.00 | filing |
| 6 Mar 2026filed 10 Mar 2026 | AIM AIM ImmunoTechoption or derivative · Biotechnology | SEC FORM 4 Code J | —50,000 at $0.00 | filing |
| 5 Feb 2026filed 6 Feb 2026 | AIM AIM ImmunoTechBiotechnology | SEC FORM 4 Code A | $3,4442,800 at $1.23 | filing |
| 5 Feb 2026filed 6 Feb 2026 | AIM AIM ImmunoTechBiotechnology | SEC FORM 4 Code A | $3,4442,800 at $1.23 | filing |
| 14 Mar 2025filed 18 Mar 2025 | AIM AIM ImmunoTechBiotechnology | SEC FORM 4 Code A | $5,38844,899 at $0.12 | filing |
| 28 Feb 2025filed 4 Mar 2025 | AIM AIM ImmunoTechBiotechnology | SEC FORM 4 Code A | $2,70119,290 at $0.14 | filing |
| 31 Dec 2023filed 8 Jan 2024 | RiceBran Technologiesoption or derivative | SEC FORM 4 Code A | —65,218 at $0.00 | filing |
| 30 Sep 2023filed 5 Oct 2023 | RiceBran Technologiesoption or derivative | SEC FORM 4 Code A | —34,884 at $0.00 | filing |
| 30 Jun 2023filed 30 Jun 2023 | RiceBran Technologiesoption or derivative | SEC FORM 4 Code A | —13,514 at $0.00 | filing |
| 31 Mar 2023filed 3 Apr 2023 | RiceBran Technologiesoption or derivative | SEC FORM 4 Code A | —16,130 at $0.00 | filing |
| 30 Dec 2022filed 3 Jan 2023 | RiceBran Technologiesoption or derivative | SEC FORM 4 Code A | —20,271 at $0.00 | filing |
| 30 Sep 2022filed 4 Oct 2022 | RiceBran Technologiesoption or derivative | SEC FORM 4 Code A | —8,334 at $0.00 | filing |
| 14 Jul 2022filed 19 Jul 2022 | RiceBran Technologiesoption or derivative | SEC FORM 4 Code A | —131,579 at $0.00 | filing |
| 14 Jul 2022filed 19 Jul 2022 | RiceBran Technologiesoption or derivative | SEC FORM 4 Code A | —55,922 at $0.00 | filing |
News
No headline names them, or the companies they trade most, lately.