SEC Form 4 · Updated Daily
EDIT
— EDITAS MEDICINE, INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| TEPPER ROBERT I | 10%+ Owner | 3,906,176 | 2016-08-16 | J |
| Third Rock Ventures GP III, L.P. | 10%+ Owner | 3,906,176 | 2016-08-16 | J |
| Third Rock Ventures III, L.P. | 10%+ Owner | 3,906,176 | 2016-08-16 | J |
| TRV GP III, LLC | 10%+ Owner | 3,906,176 | 2016-08-16 | J |
| LEVIN MARK J | 10%+ Owner · Director | 3,906,176 | 2016-08-16 | J |
| Polaris Venture Partners Founders' Fund VI, L.P. | 10%+ Owner | 3,797,144 | 2016-12-07 | S |
| Polaris Venture Management Co. VI, L.L.C. | 10%+ Owner | 3,797,144 | 2016-12-07 | S |
| Polaris Venture Partners VI, L.P. | 10%+ Owner | 3,797,144 | 2016-12-07 | S |
| Bitterman Kevin | Director | 2,797,144 | 2017-05-22 | S |
| AFEYAN NOUBAR | 10%+ Owner | 2,764,256 | 2016-08-11 | J |
| Flagship Ventures Fund IV, L.P. | 10%+ Owner | 2,764,256 | 2016-08-11 | J |
| Flagship Ventures Fund IV-Rx, L.P. | 10%+ Owner | 2,764,256 | 2016-08-11 | J |
| Flagship Ventures Fund IV General Partner LLC | 10%+ Owner | 2,764,256 | 2016-08-11 | J |
| KANIA EDWIN M JR | 10%+ Owner | 2,764,256 | 2016-08-11 | J |
| Sundheim Daniel S. | 10%+ Owner · Director | 2,729,808 | 2015-02-08 | P |
| HALVORSEN OLE ANDREAS | Reporting Owner | 2,729,808 | 2015-02-08 | P |
| Viking Global Equities II LP | Reporting Owner | 2,729,808 | 2015-02-08 | P |
| Viking Global Equities LP | Reporting Owner | 2,729,808 | 2015-02-08 | P |
| Viking Long Fund Master Ltd. | Reporting Owner | 2,729,808 | 2015-02-08 | P |
| Ott David C. | Reporting Owner | 2,729,808 | 2015-02-08 | P |
| Viking Long Fund GP LLC | Reporting Owner | 2,729,808 | 2015-02-08 | P |
| VGE III Portfolio Ltd. | Reporting Owner | 2,729,808 | 2015-02-08 | P |
| VIKING GLOBAL PERFORMANCE LLC | Reporting Owner | 2,729,808 | 2015-02-08 | P |
| VIKING GLOBAL INVESTORS LP | Reporting Owner | 2,729,808 | 2015-02-08 | P |
| Viking Global Opportunities GP LLC | Reporting Owner | 2,729,808 | 2015-02-08 | P |
| Viking Global Opportunities Illiquid Investments Sub-Master LP | Reporting Owner | 2,729,808 | 2015-02-08 | P |
| Viking Global Opportunities Portfolio GP LLC | Reporting Owner | 2,729,808 | 2015-02-08 | P |
| bng0, LLC | 10%+ Owner | 2,649,572 | 2016-02-08 | C |
| Bosley Katrine | Director · Officer | 1,204,966 | 2019-01-08 | S |
| Flynn James E | 10%+ Owner | 954,700 | 2016-02-08 | P |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 10%+ Owner | 954,700 | 2016-02-08 | P |
| Deerfield Mgmt III, L.P. | 10%+ Owner | 954,700 | 2016-02-08 | P |
| Deerfield Private Design Fund III, L.P. | 10%+ Owner | 954,700 | 2016-02-08 | P |
| Deerfield Mgmt HIF, L.P. | 10%+ Owner | 954,700 | 2016-02-08 | P |
| Deerfield Healthcare Innovations Fund, L.P. | 10%+ Owner | 954,700 | 2016-02-08 | P |
| Liu David R. | 10%+ Owner | 480,769 | 2016-02-02 | — |
| CHURCH GEORGE | 10%+ Owner | 480,769 | 2016-02-02 | — |
| Zhang Feng | 10%+ Owner | 480,769 | 2016-02-02 | — |
| Joung J. Keith | 10%+ Owner | 480,769 | 2016-02-02 | — |
| O'Neill Gilmore Neil | Director · Officer | 243,189 | 2026-09-03 | S |
| Mei Baisong | Officer | 133,354 | 2024-12-03 | S |
| Glucksmann Alexandra | Director | 118,788 | 2017-03-15 | M |
| Lucera Erick | Director | 112,720 | 2025-03-04 | S |
| ROBERTSON MICHELLE | Director | 106,610 | 2023-05-11 | S |
| MULLEN JAMES C | Director | 75,898 | 2022-01-03 | S |
| Eaton Bruce | Officer | 74,791 | 2023-12-05 | S |
| Hopfield Jessica | Director | 67,700 | 2024-05-13 | P |
| Shearman Mark S | Officer | 65,559 | 2023-02-13 | S |
| Burkly Linda | Officer | 61,660 | 2026-09-03 | S |
| Collins Cynthia | Director | 43,760 | 2021-02-09 | S |
| Nikolic Boris | Director | 35,000 | 2017-06-02 | P |
| Albright Charles | Officer | 34,907 | 2020-12-15 | M |
| Abrams Judith R | Officer | 25,000 | 2019-10-28 | A |
| Michaels Lisa Anne | Officer | 22,675 | 2021-12-22 | A |
| Parison Amy | Officer | 13,839 | 2026-09-03 | S |
| Hack Andrew A. F. | Officer | 6,895 | 2019-02-04 | M |
| Cox Gerald Frank | Officer | 4,000 | 2017-06-02 | P |
| Cole Douglas G. | Director | 3,171 | 2017-08-17 | J |
| Myer Vickesh | Officer | 3,000 | 2019-03-18 | M |
| Hirsch Andrew | Director | 2,000 | 2017-05-30 | — |
| Connaughton Bernadette | Director | 0 | 2021-10-26 | — |
| Scadden David | Director | 0 | 2019-02-05 | — |
| Reeve Emma | Director | 0 | 2021-09-03 | — |
| MENDLEIN JOHN | Director | 0 | 2016-02-02 | — |
| Chatterjee Meeta | Director | 0 | 2020-12-17 | — |
| Vaishnaw Akshay | Director | 0 | 2016-07-28 | — |
| Borisy Alexis | Director | 0 | 2016-02-08 | C |
| Ek Eric | Officer | 0 | 2019-03-01 | — |
| STARR KEVIN P | 10%+ Owner | 0 | 2016-09-06 | S |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-09-08 | Ory Daniel Scott | Grant / award (derivative) | 950,000 | $0.00 | 950,000 |
| 2026-09-03 | O'Neill Gilmore Neil | Open-market sale | 5,124 | $3.04 | 243,189 |
| 2026-09-03 | Parison Amy | Open-market sale | 453 | $3.04 | 13,839 |
| 2026-09-03 | Burkly Linda | Open-market sale | 709 | $3.04 | 61,660 |
| 2026-08-06 | Ellinor Patrick Thomas II | Grant / award (derivative) | 103,400 | $0.00 | 103,400 |
| 2026-08-03 | Parison Amy | Open-market sale | 678 | $2.58 | 14,292 |
| 2026-07-28 | Burkly Linda | Open-market sale | 4,928 | $2.67 | 62,369 |
| 2026-06-17 | Levy Elliott M. | Grant / award (derivative) | 51,700 | $0.00 | 51,700 |
| 2026-06-17 | Scadden David | Grant / award (derivative) | 51,700 | $0.00 | 51,700 |
| 2026-06-17 | Hirsch Andrew | Grant / award (derivative) | 51,700 | $0.00 | 51,700 |
| 2026-06-17 | Hopfield Jessica | Grant / award (derivative) | 51,700 | $0.00 | 51,700 |
| 2026-06-17 | Connaughton Bernadette | Grant / award (derivative) | 51,700 | $0.00 | 51,700 |
| 2026-06-03 | Burkly Linda | Open-market sale | 731 | $2.70 | 67,297 |
| 2026-06-03 | O'Neill Gilmore Neil | Open-market sale | 15,380 | $2.70 | 248,313 |
| 2026-06-03 | Parison Amy | Open-market sale | 464 | $2.70 | 14,970 |
| 2026-03-12 | Burkly Linda | Grant / award (derivative) | 292,856 | $0.00 | 292,856 |
| 2026-03-12 | Parison Amy | Grant / award (derivative) | 292,856 | $0.00 | 292,856 |
| 2026-03-12 | O'Neill Gilmore Neil | Grant / award (derivative) | 1,015,200 | $0.00 | 1,015,200 |
| 2026-03-03 | Burkly Linda | Open-market sale | 749 | $2.02 | 68,028 |
| 2026-03-03 | Parison Amy | Open-market sale | 474 | $2.02 | 15,434 |
| 2026-03-03 | O'Neill Gilmore Neil | Open-market sale | 5,394 | $2.02 | 263,693 |
| 2025-12-03 | Parison Amy | Open-market sale | 461 | $2.15 | 15,908 |
| 2025-12-03 | O'Neill Gilmore Neil | Open-market sale | 5,603 | $2.15 | 269,087 |
| 2025-12-03 | Burkly Linda | Open-market sale | 713 | $2.15 | 68,777 |
| 2025-09-03 | O'Neill Gilmore Neil | Open-market sale | 5,592 | $2.60 | 274,690 |
| 2025-09-03 | Parison Amy | Open-market sale | 458 | $2.60 | 16,369 |
| 2025-09-03 | Burkly Linda | Open-market sale | 710 | $2.60 | 69,490 |
| 2025-08-07 | Parison Amy | Open-market sale | 679 | $2.58 | 16,827 |
| 2025-07-31 | Burkly Linda | Open-market sale | 5,121 | $2.49 | 64,398 |
| 2025-06-06 | Hirsch Andrew | Grant / award (derivative) | 37,500 | $0.00 | 37,500 |
| 2025-06-06 | Connaughton Bernadette | Grant / award (derivative) | 37,500 | $0.00 | 37,500 |
| 2025-06-06 | Levy Elliott M. | Grant / award (derivative) | 37,500 | $0.00 | 37,500 |
| 2025-06-06 | Scadden David | Grant / award (derivative) | 37,500 | $0.00 | 37,500 |
| 2025-06-06 | Hopfield Jessica | Grant / award (derivative) | 37,500 | $0.00 | 37,500 |
| 2025-06-03 | O'Neill Gilmore Neil | Open-market sale | 15,192 | $1.72 | 280,282 |
| 2025-06-03 | Burkly Linda | Open-market sale | 726 | $1.72 | 69,519 |
| 2025-06-03 | Parison Amy | Open-market sale | 446 | $1.72 | 17,506 |
| 2025-04-08 | Parison Amy | Grant / award (derivative) | 34,672 | $0.00 | 34,672 |
| 2025-03-28 | Parison Amy | — | — | — | 17,952 |
| 2025-03-08 | O'Neill Gilmore Neil | Grant / award (derivative) | 828,000 | $0.00 | 828,000 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.