Who
Donald William Nicholson
Director
Company insider
Files Form 4 as: Director, Disc Medicine; Director, Generation Bio Co; Director, Kymera Therapeutics.
In numbers
- Trades disclosed
- 35
- Buys
- 4
- Sells
- 0
- Bought
- $293K
- Sold
- $0
- Companies
- 3
- Companies where not an officer
- 3
- First trade
- 11 Jun 2020
- Last trade
- 18 Jun 2026
- Last filed
- 23 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 | |
|---|---|---|---|---|
| 18 Jun 2026filed 23 Jun 2026 | IRON Disc Medicineoption or derivative · Biotechnology | SEC FORM 4 Code A | —6,212 at $0.00 | filing |
| 18 Jun 2026filed 23 Jun 2026 | IRON Disc Medicineoption or derivative · Biotechnology | SEC FORM 4 Code A | —6,212 at $0.00 | filing |
| 9 Feb 2026filed 9 Feb 2026 | Generation Bio CoBiotechnology | SEC FORM 4 Code U | —21,357 | filing |
| 9 Feb 2026filed 9 Feb 2026 | Generation Bio Cooption or derivative · Biotechnology | SEC FORM 4 Code D | —3,000 | filing |
| 9 Feb 2026filed 9 Feb 2026 | Generation Bio Cooption or derivative · Biotechnology | SEC FORM 4 Code D | —5,200 | filing |
| 9 Feb 2026filed 9 Feb 2026 | Generation Bio Cooption or derivative | SEC FORM 4 Code D | —3,000 | filing |
| 9 Feb 2026filed 9 Feb 2026 | Generation Bio Cooption or derivative | SEC FORM 4 Code D | —5,200 | filing |
| 9 Feb 2026filed 9 Feb 2026 | Generation Bio Cooption or derivative | SEC FORM 4 Code D | —1,500 | filing |
| 9 Feb 2026filed 9 Feb 2026 | Generation Bio Cooption or derivative | SEC FORM 4 Code D | —1,920 | filing |
| 9 Feb 2026filed 9 Feb 2026 | Generation Bio Cooption or derivative | SEC FORM 4 Code D | —2,500 | filing |
| 9 Feb 2026filed 9 Feb 2026 | Generation Bio Cooption or derivative | SEC FORM 4 Code D | —6,000 | filing |
| 9 Feb 2026filed 9 Feb 2026 | Generation Bio Cooption or derivative · Biotechnology | SEC FORM 4 Code D | —1,500 | filing |
| 9 Feb 2026filed 9 Feb 2026 | Generation Bio Cooption or derivative · Biotechnology | SEC FORM 4 Code D | —1,920 | filing |
| 9 Feb 2026filed 9 Feb 2026 | Generation Bio Cooption or derivative · Biotechnology | SEC FORM 4 Code D | —2,500 | filing |
| 9 Feb 2026filed 9 Feb 2026 | Generation Bio Cooption or derivative · Biotechnology | SEC FORM 4 Code D | —6,000 | filing |
| 9 Feb 2026filed 9 Feb 2026 | Generation Bio Co | SEC FORM 4 Code U | —21,357 | filing |
| 11 Jun 2025filed 13 Jun 2025 | IRON Disc Medicineoption or derivative · Biotechnology | SEC FORM 4 Code A | —10,000 at $0.00 | filing |
| 4 Jun 2025filed 6 Jun 2025 | Generation Bio Cooption or derivative | SEC FORM 4 Code A | —30,000 at $0.00 | filing |
| 12 Jun 2024filed 14 Jun 2024 | IRON Disc Medicineoption or derivative · Biotechnology | SEC FORM 4 Code A | —10,000 at $0.00 | filing |
| 6 Jun 2024filed 10 Jun 2024 | Generation Bio Cooption or derivative | SEC FORM 4 Code A | —60,000 at $0.00 | filing |
News
No headline names them, or the companies they trade most, lately.