Editas Medicine (EDIT) CSO sells 731 shares under automatic tax-cover plan

Rhea-AI Filing Summary

Editas Medicine, Inc. executive Linda Burkly reported an open-market sale of common stock. She sold 731 shares on June 3, 2026 at a weighted average price of $2.7011 per share. After this transaction, she directly holds 67,297 shares of Editas Medicine common stock.

According to the footnotes, the sale was carried out under a durable automatic sales instruction plan adopted on July 3, 2023. The shares were sold to cover tax withholding obligations arising from restricted stock units that vested on June 2, 2026, and the filing states the trade was not discretionary.

Insider Trade Summary 10b5-1

Net Seller: 731 shares ($1,975)

Net Sell 1 txn

Insider Burkly Linda

Role EVP, CHIEF SCIENTIFIC OFFICER

Sold 731 shs ($2K)

Type	Security	Shares	Price	Value
Sale	Common Stock	731	$2.7011	$2K

Holdings After Transaction: Common Stock — 67,297 shares (Direct, null)

Footnotes (1)

1. Sale was effected pursuant to a durable automatic sales instruction plan adopted by the Reporting Person on July 3, 2023, and represents the sale of shares by the Issuer necessary to meet tax withholding obligations as a result of vesting in restricted stock units on June 2, 2026. The sale does not represent a discretionary trade by the Reporting Person. This transaction was executed in multiple trades at prices ranging from $2.7010 to $2.7050. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide upon request, to the SEC staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Key Figures

Shares sold: 731 shares Sale price: $2.7011 per share Shares held after: 67,297 shares +2 more

5 metrics

Shares sold 731 shares Open-market sale on June 3, 2026

Sale price $2.7011 per share Weighted average price for June 3, 2026 trades

Shares held after 67,297 shares Direct holdings following the reported transaction

RSU vesting date June 2, 2026 RSUs whose vesting triggered tax obligations

Plan adoption date July 3, 2023 Durable automatic sales instruction plan adoption

Key Terms

durable automatic sales instruction plan, restricted stock units, weighted average purchase price, open-market sale

4 terms

durable automatic sales instruction plan financial

"Sale was effected pursuant to a durable automatic sales instruction plan adopted by the Reporting Person on July 3, 2023"

restricted stock units financial

"tax withholding obligations as a result of vesting in restricted stock units on June 2, 2026"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

weighted average purchase price financial

"The price reported above reflects the weighted average purchase price"

The weighted average purchase price is the average cost per share you paid across multiple buys, calculated so larger purchases count more than smaller ones. Imagine buying apples at different prices: the overall price you effectively paid depends on how many apples you bought at each price. Investors use it to measure true cost basis, calculate gains or losses, decide when to sell, and manage taxes and portfolio performance.

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

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Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Burkly Linda

(Last) (First) (Middle)

11 HURLEY ST.

(Street)

CAMBRIDGE MASSACHUSETTS 02141

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Editas Medicine, Inc. [ EDIT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, CHIEF SCIENTIFIC OFFICER

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/03/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/03/2026		S(1)		731	D	$2.7011(2)	67,297	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Sale was effected pursuant to a durable automatic sales instruction plan adopted by the Reporting Person on July 3, 2023, and represents the sale of shares by the Issuer necessary to meet tax withholding obligations as a result of vesting in restricted stock units on June 2, 2026. The sale does not represent a discretionary trade by the Reporting Person.

2. This transaction was executed in multiple trades at prices ranging from $2.7010 to $2.7050. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide upon request, to the SEC staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Remarks:

	/s/ Linda C. Burkly	06/05/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)