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

Role
Director
Signature
/s/ Kathleen R. Henry, by Power of Attorney
Issuer symbol
EBC
Transactions as of
26 Nov 2025
Net transactions value
-$2,078,645
Form type
4
Filing time
01 Dec 2025, 16:05:04 UTC
Previous filing
03 Nov 2025

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 01 Dec 2025 0001221397

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction EBC Common Stock Options Exercise $4,063,687 +322,771 +894% $12.59 358,883 26 Nov 2025 Direct F1
transaction EBC Common Stock Sale $6,142,332 -322,771 -90% $19.03 36,112 26 Nov 2025 Direct F2
holding EBC Common Stock 107,160 26 Nov 2025 By Spouse
holding EBC Common Stock 83,962 26 Nov 2025 By Trust
holding EBC Common Stock 19,732 26 Nov 2025 Rollover IRA
holding EBC Common Stock 24,772 26 Nov 2025 Traditional IRA
holding EBC Common Stock 11,704 26 Nov 2025 By ESOP
holding EBC Common Stock 43,192 26 Nov 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 -118,947 -100% $0.000000 0 26 Nov 2025 Common Stock 118,947 $11.74 Direct F3
transaction EBC Stock Option (Right to Buy) Options Exercise $0 -101,912 -100% $0.000000 0 26 Nov 2025 Common Stock 101,912 $12.80 Direct F3
transaction EBC Stock Option (Right to Buy) Options Exercise $0 -101,912 -100% $0.000000 0 26 Nov 2025 Common Stock 101,912 $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).