Who
Declan Doogan
Director
Company insider
Files Form 4 as: Director and 10% owner, Tenax Therapeutics; Director, Biohaven Pharmaceutical Holding Co.
In numbers
- Trades disclosed
- 133
- Buys
- 1
- Sells
- 35
- Bought
- $204K
- Sold
- $64.2M
- Companies
- 2
- Companies where not an officer
- 2
- First trade
- 10 Jan 2018
- Last trade
- 16 Sep 2026
- Last filed
- 17 Sep 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 | |
|---|---|---|---|---|
| 16 Sep 2026filed 17 Sep 2026 | TENX Tenax TherapeuticsBiotechnology | SEC FORM 4 Bought | $102K53,000 at $1.92 | filing |
| 16 Sep 2026filed 17 Sep 2026 | TENX Tenax TherapeuticsBiotechnology | SEC FORM 4 Bought | $102K53,000 at $1.92 | filing |
| 9 Jan 2026filed 13 Jan 2026 | TENX Tenax Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —30,000 at $0.00 | filing |
| 9 Jan 2026filed 13 Jan 2026 | TENX Tenax Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —30,000 at $0.00 | filing |
| 1 Jul 2025filed 3 Jul 2025 | TENX Tenax Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —80,000 at $0.00 | filing |
| 10 Dec 2024filed 12 Dec 2024 | TENX Tenax Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —100,000 at $0.00 | filing |
| 11 Aug 2022filed 12 Aug 2022 | TENX Tenax TherapeuticsBiotechnology | SEC FORM 4 Code G | —567,871 at $0.00 | filing |
| 11 Aug 2022filed 12 Aug 2022 | TENX Tenax TherapeuticsBiotechnology | SEC FORM 4 Code G | —567,871 at $0.00 | filing |
| 9 Jun 2022filed 10 Jun 2022 | TENX Tenax Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —5,000 at $0.00 | filing |
| 30 Nov 2021filed 11 Feb 2022 | Biohaven Pharmaceutical Holding Co | SEC FORM 4 Code G | —5,475 at $0.00 | filing |
| 30 Nov 2021filed 11 Feb 2022 | Biohaven Pharmaceutical Holding Co | SEC FORM 4 Code G | —5,475 at $0.00 | filing |
| 29 Nov 2021filed 1 Dec 2021 | Biohaven Pharmaceutical Holding Co | SEC FORM 4 Sold | $1.5M13,026 at $112.40 | filing |
| 29 Nov 2021filed 1 Dec 2021 | Biohaven Pharmaceutical Holding Co | SEC FORM 4 Sold | $1.3M11,499 at $113.25 | filing |
| 22 Nov 2021filed 11 Feb 2022 | Biohaven Pharmaceutical Holding Co | SEC FORM 4 Code G | —491,260 at $0.00 | filing |
| 22 Nov 2021filed 11 Feb 2022 | Biohaven Pharmaceutical Holding Co | SEC FORM 4 Code G | —491,260 at $0.00 | filing |
| 16 Nov 2021filed 17 Nov 2021 | Biohaven Pharmaceutical Holding Cooption or derivative | SEC FORM 4 Code M | —250,000 at $0.00 | filing |
| 16 Nov 2021filed 17 Nov 2021 | Biohaven Pharmaceutical Holding Cooption or derivative | SEC FORM 4 Code M | —175,000 at $0.00 | filing |
| 16 Nov 2021filed 17 Nov 2021 | Biohaven Pharmaceutical Holding Cooption or derivative | SEC FORM 4 Code M | —50,000 at $0.00 | filing |
| 16 Nov 2021filed 17 Nov 2021 | Biohaven Pharmaceutical Holding Cooption or derivative | SEC FORM 4 Code M | —18,000 at $0.00 | filing |
| 16 Nov 2021filed 17 Nov 2021 | Biohaven Pharmaceutical Holding Cooption or derivative | SEC FORM 4 Code M | —18,000 at $0.00 | filing |
News
No headline names them, or the companies they trade most, lately.