Editas Medicine, Inc.

EDIT·NASDAQ·$3.08Share Price as of 11/2·$302MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/05/26 10-QQ1 ended 03/31/2605/05/26 10-KFY 202503/09/26 10-QQ3 ended 09/30/2511/10/25 10-QQ2 ended 06/30/2508/12/25

Disclosures

8-KCurrent report10/08/26 8-KCurrent report08/05/26 8-KCurrent report06/18/26 8-KCurrent report05/26/26 8-KCurrent report05/26/26

Prospectuses and Registrations

S-8Registration of securities for employees09/09/26 S-3Shelf registration08/31/26 424B5Prospectus supplement05/26/26 424B5Prospectus supplement05/26/26 S-3MEFProspectus / registration05/26/26

Proxies

DEF 14ADefinitive proxy04/28/26 DEFA14AAdditional proxy materials04/28/26 DEF 14ADefinitive proxy04/15/25 DEFA14AAdditional proxy materials04/15/25 PRE 14APreliminary proxy04/04/25

Ownership

Form 3Initial insider ownership09/09/26 Form 4Insider transaction09/09/26 Form 4Insider transaction09/04/26 Form 4Insider transaction09/04/26 Form 4Insider transaction09/04/26

Other

EFFECTRequest for effectiveness09/08/26 ARSAnnual report to shareholders04/28/26 ARSAnnual report to shareholders04/15/25 EFFECTRequest for effectiveness03/21/25 ARSAnnual report to shareholders04/18/23