Joseph F. Casey - Nov 26, 2025 Form 4 Insider Report for Eastern Bankshares, Inc. (EBC)

Role
Director
Signature
/s/ Kathleen R. Henry, by Power of Attorney
Stock symbol
EBC
Transactions as of
Nov 26, 2025
Transactions value $
-$2,078,645
Form type
4
Date filed
12/1/2025, 04:05 PM
Previous filing
Nov 3, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
CASEY JOSEPH F Director 125 HIGH STREET, BOSTON /s/ Kathleen R. Henry, by Power of Attorney 2025-12-01 0001221397

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction EBC Common Stock Options Exercise $4.06M +323K +893.81% $12.59 359K Nov 26, 2025 Direct F1
transaction EBC Common Stock Sale -$6.14M -323K -89.94% $19.03 36.1K Nov 26, 2025 Direct F2
holding EBC Common Stock 107K Nov 26, 2025 By Spouse
holding EBC Common Stock 84K Nov 26, 2025 By Trust
holding EBC Common Stock 19.7K Nov 26, 2025 Rollover IRA
holding EBC Common Stock 24.8K Nov 26, 2025 Traditional IRA
holding EBC Common Stock 11.7K Nov 26, 2025 By ESOP
holding EBC Common Stock 43.2K Nov 26, 2025 By 401(k)

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction EBC Stock Option (Right to Buy) Options Exercise $0 -119K -100% $0.00 0 Nov 26, 2025 Common Stock 119K $11.74 Direct F3
transaction EBC Stock Option (Right to Buy) Options Exercise $0 -102K -100% $0.00 0 Nov 26, 2025 Common Stock 102K $12.80 Direct F3
transaction EBC Stock Option (Right to Buy) Options Exercise $0 -102K -100% $0.00 0 Nov 26, 2025 Common Stock 102K $13.38 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The price reported is a weighted average price of the options tranches exercised.
F2 Represents the average sales price. The actual sale prices range from $19.00 to $19.16 per share. The reporting person will supply the SEC, the Issuer, or a security holder of the Issuer, with full information regarding the number of shares at each price upon request.
F3 Pursuant to the terms of the Agreement and Plan of Merger dated April 24, 2025 among Eastern Bankshares, Inc. ("Eastern"), Eastern Bank, HarborOne Bancorp, Inc. ("HarborOne"), and HarborOne Bank, upon the merger of HarborOne into Eastern, effective November 1, 2025, the stock option must be exercised no later than February 1, 2026 (i.e., three (3) months from the time reporting person's employment as an executive of HarborOne was terminated).