HENRY KATHLEEN CLOHERTY (Executive VP, General Counsel) exercised options at EASTERN BANKSHARES, INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise

HENRY KATHLEEN CLOHERTY

Filed: 3/5/2026ACC: 0001193125-26-094109

InsiderHENRY KATHLEEN CLOHERTYCIK 1825659

→

IssuerEASTERN BANKSHARES, INC.CIK 1810546

Officer· Executive VP, General Counsel

Since Oct 2020

-961.00

Net shares

Net seller

$18.7K

Total sold

Open market trades

0B · 0S

Total transactions

2.17K acquired · 3.13K disposed

Non-Derivative Transactions2

Common Stock

Direct

M · Option Exercise

+2.17K

Price / share

—

Trade value

—

% of position

3.9%

3/3/2026

55.94K→58.11K

Common Stock

Direct

F · Tax Withholding

−961.00

Price / share

$19.45

Trade value

$18.69K

% of position

1.7%

3/3/2026

58.11K→57.15K

Total

Net shares

+1.20K

Net value

-$18.69K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	3/3/2026	M · Option Exercise	+2.17K	—	—	3.9%	55.94K	58.11K
Common Stock Direct	3/3/2026	F · Tax Withholding	−961.00	$19.45	$18.69K	1.7%	58.11K	57.15K
Total			+1.20K		-$18.69K

Derivative Transactions1

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common stock

2.17K shares

−2.17K

Strike price

Held after

32.53K

Exercisable

—

3/3/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Restricted Stock Units Direct	Common stock2.17K shares	3/3/2026	M · Option Exercise	−2.17K		—	32.53K

Non-Derivative Holdings (Post-Transaction)2

Common Stock

Indirect

Shares owned4.92K

Common Stock

Indirect

Shares owned28.62K

Total

33.54K indirect33.54K

Security Title	Shares Owned	Ownership Type
Common Stock	4.92K	Indirect
Common Stock	28.62K	Indirect
Total	33.54K	33.54K indirect

Derivative Holdings (Post-Transaction)3

Restricted Stock Units

Direct

Underlying security

Common stock

Underlying shares

5.50K

Shares owned

5.50K

Exercise price

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common stock

Underlying shares

9.49K

Shares owned

9.49K

Exercise price

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common stock

Underlying shares

7.10K

Shares owned

7.10K

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

22.09K

Owned

22.09K

Security	Underlying	Exercise Window	Expiration	Underlying Shares	Shares Owned
Restricted Stock Units Direct	Common stock	—	—	5.50K	5.50K
Restricted Stock Units Direct	Common stock	—	—	9.49K	9.49K
Restricted Stock Units Direct	Common stock	—	—	7.10K	7.10K
Total				22.09K	22.09K