Who
Charles Pauling Semba
Director
Company insider
Files Form 4 as: Director, DiaMedica Therapeutics.
In numbers
- Trades disclosed
- 13
- Buys
- 1
- Sells
- 0
- Bought
- $50K
- Sold
- $0
- Companies
- 1
- Companies where not an officer
- 1
- First trade
- 15 Jul 2021
- Last trade
- 1 Jun 2026
- Last filed
- 3 Jun 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 | |
|---|---|---|---|---|
| 1 Jun 2026filed 3 Jun 2026 | DMAC DiaMedica Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —40,412 at $0.00 | filing |
| 1 Jun 2026filed 3 Jun 2026 | DMAC DiaMedica Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —40,412 at $0.00 | filing |
| 2 Jan 2026filed 6 Jan 2026 | DMAC DiaMedica TherapeuticsBiotechnology | SEC FORM 4 Code A | $28K3,355 at $8.42 | filing |
| 2 Jan 2026filed 6 Jan 2026 | DMAC DiaMedica TherapeuticsBiotechnology | SEC FORM 4 Code A | $28K3,355 at $8.42 | filing |
| 1 Jun 2025filed 3 Jun 2025 | DMAC DiaMedica Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —32,162 at $0.00 | filing |
| 2 Jan 2025filed 3 Jan 2025 | DMAC DiaMedica TherapeuticsBiotechnology | SEC FORM 4 Code A | $28K5,290 at $5.34 | filing |
| 1 Jun 2024filed 3 Jun 2024 | DMAC DiaMedica Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —28,472 at $0.00 | filing |
| 2 Jan 2024filed 2 Jan 2024 | DMAC DiaMedica TherapeuticsBiotechnology | SEC FORM 4 Code A | $26K9,375 at $2.80 | filing |
| 23 Jun 2023filed 26 Jun 2023 | DMAC DiaMedica TherapeuticsBiotechnology | SEC FORM 4 Bought | $50K12,787 at $3.91 | filing |
| 1 Jun 2023filed 2 Jun 2023 | DMAC DiaMedica Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —16,968 at $0.00 | filing |
| 3 Jan 2023filed 3 Jan 2023 | DMAC DiaMedica TherapeuticsBiotechnology | SEC FORM 4 Code A | $26K17,156 at $1.53 | filing |
| 1 Jun 2022filed 2 Jun 2022 | DMAC DiaMedica Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —13,222 at $0.00 | filing |
| 15 Jul 2021filed 16 Jul 2021 | DMAC DiaMedica Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —18,786 at $0.00 | filing |
News
No headline names them, or the companies they trade most, lately.