Editas Medicine's three largest insider shareholders as of March 23, 2026 are Gilmore Neil O'Neill (Ceo, 263.69K shares), Baisong Mei (Evp, Chief Medical Officer, 133.35K shares), Erick Lucera (Evp, Chief Financial Officer, 112.72K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Gilmore Neil O'Neill | Ceo | 263,693 | 0 | 04 Mar, 2026 |
| Baisong Mei | Evp, Chief Medical Officer | 133,354 | 0 | 05 Dec, 2024 |
| Erick Lucera | Evp, Chief Financial Officer | 112,720 | 0 | 05 Mar, 2025 |
| Michelle Robertson | Evp, Chief Financial Officer | 106,610 | 0 | 15 May, 2023 |
| James C Mullen | Ceo | 75,898 | 0 | 04 Jan, 2022 |
| Linda Burkly | Evp, Chief Scientific Officer | 68,028 | 0 | 04 Mar, 2026 |
| Jessica Hopfield | 67,700 | 0 | 14 May, 2024 | |
| Mark S Shearman | Evp, Chief Scientific Officer | 65,559 | 0 | 15 Feb, 2023 |
| Lisa Anne Michaels | Evp/Chief Medical Officer | 22,675 | 0 | 23 Dec, 2021 |
| Amy Parison | Svp, Chief Financial Officer | 15,434 | 0 | 04 Mar, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 12 Mar, 2026 | Amy Parison | Stock Option (right to buy) | A | 292,856 | $0.00 | 292,856 | D | A |
| 12 Mar, 2026 | Linda Burkly | Stock Option (right to buy) | A | 292,856 | $0.00 | 292,856 | D | A |
| 12 Mar, 2026 | Gilmore Neil O'Neill | Stock Option (right to buy) | A | 1,015,200 | $0.00 | 1,015,200 | D | A |
| 03 Mar, 2026 | Gilmore Neil O'Neill | Common Stock | D | 5,394 | $2.02 | 263,693 | D | S |
| 03 Mar, 2026 | Linda Burkly | Common Stock | D | 749 | $2.02 | 68,028 | D | S |
| 03 Mar, 2026 | Amy Parison | Common Stock | D | 474 | $2.02 | 15,434 | D | S |
| 03 Dec, 2025 | Gilmore Neil O'Neill | Common Stock | D | 5,603 | $2.15 | 269,087 | D | S |
| 03 Dec, 2025 | Amy Parison | Common Stock | D | 461 | $2.15 | 15,908 | D | S |
| 03 Dec, 2025 | Linda Burkly | Common Stock | D | 713 | $2.15 | 68,777 | D | S |
| 03 Sep, 2025 | Gilmore Neil O'Neill | Common Stock | D | 5,592 | $2.60 | 274,690 | D | S |
| 03 Sep, 2025 | Amy Parison | Common Stock | D | 458 | $2.60 | 16,369 | D | S |
| 03 Sep, 2025 | Linda Burkly | Common Stock | D | 710 | $2.60 | 69,490 | D | S |
| 07 Aug, 2025 | Amy Parison | Common Stock | D | 679 | $2.58 | 16,827 | D | S |
| 31 Jul, 2025 | Linda Burkly | Common Stock | D | 5,121 | $2.49 | 64,398 | D | S |
| 06 Jun, 2025 | Andrew Hirsch | Stock Option (right to buy) | A | 37,500 | $0.00 | 37,500 | D | A |
| 06 Jun, 2025 | Elliott M. Levy | Stock Option (right to buy) | A | 37,500 | $0.00 | 37,500 | D | A |
| 06 Jun, 2025 | David Scadden | Stock Option (right to buy) | A | 37,500 | $0.00 | 37,500 | D | A |
| 06 Jun, 2025 | Jessica Hopfield | Stock Option (right to buy) | A | 37,500 | $0.00 | 37,500 | D | A |
| 03 Jun, 2025 | Amy Parison | Common Stock | D | 446 | $1.72 | 17,506 | D | S |
| 03 Jun, 2025 | Gilmore Neil O'Neill | Common Stock | D | 15,192 | $1.72 | 280,282 | D | S |