Robert Francis Rivers - 01 Mar 2026 Form 4 Insider Report for Eastern Bankshares, Inc. (EBC)

Role
Executive Chair, Director
Signature
/s/ Kathleen R. Henry, by Power of Attorney
Issuer symbol
EBC
Transactions as of
01 Mar 2026
Net transactions value
-$545,959
Form type
4
Filing time
03 Mar 2026, 16:53:13 UTC
Previous filing
28 Oct 2025
Next filing
05 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Rivers Robert Francis Executive Chair, Director 125 HIGH STREET, BOSTON /s/ Kathleen R. Henry, by Power of Attorney 03 Mar 2026 0001825654

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction EBC Common Stock Options Exercise $0 +47,492 +12% $0.000000 450,766 01 Mar 2026 Direct F1
transaction EBC Common Stock Tax liability $330,427 -16,893 -3.7% $19.56 433,873 01 Mar 2026 Direct F2
transaction EBC Common Stock Award $0 +29,632 +6.8% $0.000000 463,505 01 Mar 2026 Direct F10
transaction EBC Common Stock Tax liability $215,532 -11,019 -2.4% $19.56 452,486 01 Mar 2026 Direct F2
holding EBC Common Stock 4,921 01 Mar 2026 By ESOP F3

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 Restricted Stock Units Options Exercise $0 -21,347 -50% $0.000000 21,348 01 Mar 2026 Common stock 21,347 Direct F1, F5
transaction EBC Restricted Stock Units Options Exercise $0 -10,610 -100% $0.000000 0 01 Mar 2026 Common stock 10,610 Direct F1, F6
transaction EBC Restricted Stock Units Options Exercise $0 -15,535 -50% $0.000000 15,535 01 Mar 2026 Common stock 15,535 Direct F1, F7
transaction EBC Restricted Stock Units Award $0 +33,301 $0.000000 33,301 02 Mar 2026 Common stock 33,301 Direct F4, F9
holding EBC Restricted Stock Units 33,671 01 Mar 2026 Common stock 33,671 Direct F1, F8
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Restricted stock units convert into common stock on a one-for-one basis.
F2 Includes 200,000 shares held in joint tenancy with spouse.
F3 Reflects the amount of shares beneficially owned, including shares received due to automatic dividend reinvestment, as of the date of this report.
F4 Each restricted stock unit represents a contingent right to receive one share of EBC common stock on the applicable vesting date.
F5 On March 1, 2022, the reporting person was granted 106,736 restricted stock units that vest in five equal annual installments beginning March 1, 2023, subject to continued service. Vested shares will be issued to the reporting person as soon as practicable after the vesting date.
F6 On March 1, 2023, the reporting person was granted 31,829 restricted stock units that vest in three equal annual installments beginning March 1, 2024, subject to continued service. Vested shares will be issued to the reporting person as soon as practicable after the vesting date.
F7 On March 1, 2024, the reporting person was granted 46,604 restricted stock units that vest in three equal annual installments beginning March 1, 2025, subject to continued service. Vested shares will be issued to the reporting person as soon as practicable after the vesting date.
F8 On March 3, 2025, the reporting person was granted 33,671 restricted stock units that vest in three equal annual installments beginning March 3, 2026, subject to continued service. Vested shares will be issued to the reporting person as soon as practicable after the vesting date.
F9 On March 2, 2026, the reporting person was granted 33,301 restricted stock units that vest in three equal annual installments beginning March 2, 2027, subject to continued service. Vested shares will be issued to the reporting person as soon as practicable after the vesting date.
F10 Represents shares of Eastern Bankshares, Inc. (the "Company") common stock, par value $0.01 per share ("Common Stock") received upon vesting of a performance restricted stock unit ("PRSU") award eligible to vest based upon the Company's performance on total shareholder return ("TSR") measured at the end of the three-year performance period of January 1, 2023 through December 31, 2025 (the "Performance Period") relative to TSR performance over that performance period of the banks listed on the KBW Nasdaq Regional Banking Index (the "TSR Measure"). The Compensation and Human Capital Management Committee determined that the Company's performance of the TSR Measure resulted in a payout of 93.1% of target.