Donald W. Nicholson's most recent trade in Disc Medicine Inc was a trade of 6,212 Stock Option (Right to Buy) done . Disclosure was reported to the exchange on June 18, 2026.
| Stock | Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Disc Medicine Inc | Donald W. Nicholson | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 18 Jun 2026 | 6,212 | 6,212 | - | - | Stock Option (Right to Buy) | |
| Generation Bio Co | Donald W. Nicholson | Director | 09 Feb 2026 | 21,357 | 0 | - | - | Common Stock | ||
| Generation Bio Co | Donald W. Nicholson | Director | Sale or transfer of securities back to the company at price $ 0.00 per share. | 09 Feb 2026 | 6,000 | 0 | - | - | Stock Option (right to buy) | |
| Generation Bio Co | Donald W. Nicholson | Director | Sale or transfer of securities back to the company at price $ 0.00 per share. | 09 Feb 2026 | 5,200 | 0 | - | - | Stock Option (right to buy) | |
| Generation Bio Co | Donald W. Nicholson | Director | Sale or transfer of securities back to the company at price $ 0.00 per share. | 09 Feb 2026 | 3,000 | 0 | - | - | Stock Option (right to buy) | |
| Generation Bio Co | Donald W. Nicholson | Director | Sale or transfer of securities back to the company at price $ 0.00 per share. | 09 Feb 2026 | 2,500 | 0 | - | - | Stock Option (right to buy) | |
| Generation Bio Co | Donald W. Nicholson | Director | Sale or transfer of securities back to the company at price $ 0.00 per share. | 09 Feb 2026 | 1,920 | 0 | - | - | Stock Option (right to buy) | |
| Generation Bio Co | Donald W. Nicholson | Director | Sale or transfer of securities back to the company at price $ 0.00 per share. | 09 Feb 2026 | 1,500 | 0 | - | - | Stock Option (right to buy) | |
| Disc Medicine Inc | Donald W. Nicholson | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 11 Jun 2025 | 10,000 | 10,000 | - | - | Stock Option (Right to Buy) | |
| Generation Bio Co | Donald W. Nicholson | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 04 Jun 2025 | 30,000 | 30,000 | - | - | Stock Option (right to buy) | |
| Disc Medicine Inc | Donald W. Nicholson | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 Jun 2024 | 10,000 | 10,000 | - | - | Stock Option (Right to Buy) | |
| Generation Bio Co | Donald W. Nicholson | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 06 Jun 2024 | 60,000 | 60,000 | - | - | Stock Option (right to buy) | |
| Generation Bio Co | W. Donald Nicholson | Director | Purchase of securities on an exchange or from another person at price $ 1.44 per share. | 01 Dec 2023 | 100,000 | 213,576 | - | 1.4 | 144,000 | Common Stock |
| Disc Medicine Inc | Donald W. Nicholson | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 09 Jun 2023 | 7,136 | 7,136 | - | - | Stock Option (Right to Buy) | |
| Generation Bio Co | Donald W. Nicholson | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 08 Jun 2023 | 25,000 | 25,000 | - | - | Stock Option (right to buy) | |
| Disc Medicine Inc | Donald W. Nicholson | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 29 Dec 2022 | 7,000 | 7,000 | - | - | Stock Option (Right to Buy) | |
| Kymera Therapeutics Inc | Donald W. Nicholson | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 15 Jun 2022 | 12,000 | 12,000 | - | - | Stock Option (Right to Buy) | |
| Generation Bio Co | Donald W. Nicholson | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 09 Jun 2022 | 19,200 | 19,200 | - | - | Stock Option (right to buy) | |
| Generation Bio Co | Donald W. Nicholson | Director | Purchase of securities on an exchange or from another person at price $ 4.71 per share. | 09 Mar 2022 | 8,126 | 113,576 | - | 4.7 | 38,273 | Common Stock |
| Generation Bio Co | Donald W. Nicholson | Director | Purchase of securities on an exchange or from another person at price $ 4.79 per share. | 09 Mar 2022 | 2,293 | 105,450 | - | 4.8 | 10,983 | Common Stock |