Editas Medicine, Inc. EDIT NASDAQ

NASDAQ Global Select • Healthcare • Biotechnology • US • USD

SharesGrow Score

47/100

3/7 Pass

SharesGrow Intrinsic Value

Editas Medicine, Inc. (EDIT) has 20 known insider and institutional holders on record. The largest holder is Third Rock Ventures III, L.P. with 3,906,176 shares. Other notable holders include Polaris Venture Management Co. VI, L.L.C. and Bosley Katrine.

Over the last 12 months, insiders have made 22 transactions in EDIT stock — 8 buys (valued at $4.42M) and 14 sells (valued at $88.23K). Insider selling has exceeded buying during this period.

EDIT Insider Ownership

Top Holder

Third Rock Ventures III, L.P.

3,906,176 shares

Buys (12 mo)

$4.42M value

Sells (12 mo)

$88.23K value

12-Month Transaction Activity

Buy 36%

Sell 64%

Top Insider Holders

#	Name	Role	Shares Owned	Last Filed	Relative Size
1	Third Rock Ventures Iii, L.p.	10 Percent Owner	3,906,176	2016-08-16	100%
2	Polaris Venture Management Co. Vi, L.l.c.	10 Percent Owner	3,797,144	2016-12-08	97%
3	Bosley Katrine	President and CEO	1,204,966	2019-01-10	31%
4	O'neill Gilmore Neil	CEO	1,015,200	2026-03-16	26%
5	Parison Amy	SVP, Chief Financial Officer	292,856	2026-03-16	7%
6	Burkly Linda	EVP, Chief Scientific Officer	292,856	2026-03-16	7%
7	Mullen James C	CEO	170,989	2022-04-18	4%
8	Mei Baisong	EVP, Chief Medical Officer	133,354	2024-12-05	3%
9	Robertson Michelle	EVP, Chief Financial Officer	106,610	2023-05-15	3%
10	Eaton Bruce	EVP, Cbo and CTO	74,791	2023-12-07	2%
11	Lucera Erick	EVP, Chief Financial Officer	70,000	2025-03-27	2%
12	Shearman Mark S	EVP, Chief Scientific Officer	65,559	2023-02-15	2%
13	Cox Gerald Frank	Chief Medical Officer	60,000	2018-02-09	2%
14	Collins Cynthia	CEO	43,760	2021-02-10	1%
15	Hopfield Jessica	Director	37,500	2025-06-10	1%
16	Connaughton Bernadette	Director	37,500	2025-06-10	1%
17	Hirsch Andrew	Director	37,500	2025-06-10	1%
18	Levy Elliott M.	Director	37,500	2025-06-10	1%
19	Scadden David	Director	37,500	2025-06-10	1%
20	Glucksmann Alexandra	Chief Operating Officer	30,461	2017-03-17	1%

Recent Transactions (last 12 months)

Date	Name	Role	Type	Shares	Price	Value
2026-03-12	Parison Amy	SVP, Chief Financial Officer	RSU Award	292,856	$2.54	$743.85K
2026-03-12	Burkly Linda	EVP, Chief Scientific Officer	RSU Award	292,856	$2.54	$743.85K
2026-03-12	O'neill Gilmore Neil	CEO	RSU Award	1,015,200	$2.54	$2.58M
2026-03-03	Parison Amy	SVP, Chief Financial Officer	Informative Sell	474	$2.02	$957.48
2026-03-03	Burkly Linda	EVP, Chief Scientific Officer	Informative Sell	749	$2.02	$1.51K
2026-03-03	O'neill Gilmore Neil	CEO	Informative Sell	5,394	$2.02	$10.89K
2025-12-03	Parison Amy	SVP, Chief Financial Officer	Informative Sell	461	$2.15	$992.58
2025-12-03	Burkly Linda	EVP, Chief Scientific Officer	Informative Sell	713	$2.15	$1.54K
2025-12-03	O'neill Gilmore Neil	CEO	Informative Sell	5,603	$2.15	$12.06K
2025-09-03	Parison Amy	SVP, Chief Financial Officer	Informative Sell	458	$2.60	$1.19K
2025-09-03	Burkly Linda	EVP, Chief Scientific Officer	Informative Sell	710	$2.60	$1.84K
2025-09-03	O'neill Gilmore Neil	CEO	Informative Sell	5,592	$2.60	$14.52K
2025-08-07	Parison Amy	SVP, Chief Financial Officer	Informative Sell	679	$2.58	$1.75K
2025-07-31	Burkly Linda	EVP, Chief Scientific Officer	Informative Sell	5,121	$2.49	$12.76K
2025-06-06	Levy Elliott M.	Director	RSU Award	37,500	$1.91	$71.63K
2025-06-06	Scadden David	Director	RSU Award	37,500	$1.91	$71.63K
2025-06-06	Connaughton Bernadette	Director	RSU Award	37,500	$1.91	$71.63K
2025-06-06	Hopfield Jessica	Director	RSU Award	37,500	$1.91	$71.63K
2025-06-06	Hirsch Andrew	Director	RSU Award	37,500	$1.91	$71.63K
2025-06-03	Parison Amy	SVP, Chief Financial Officer	Informative Sell	446	$1.72	$768.90
2025-06-03	Burkly Linda	EVP, Chief Scientific Officer	Informative Sell	726	$1.72	$1.25K
2025-06-03	O'neill Gilmore Neil	CEO	Informative Sell	15,192	$1.72	$26.2K