MILLER QUINCY LEE (President) exercised options at EASTERN BANKSHARES, INC.

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

M · 1 exercise

MILLER QUINCY LEE

Filed: 3/5/2026ACC: 0001193125-26-093988

InsiderMILLER QUINCY LEECIK 1825603

→

IssuerEASTERN BANKSHARES, INC.CIK 1810546

Officer· President

Since Oct 2020

-2.49K

Net shares

Net seller

$48.5K

Total sold

Open market trades

0B · 0S

Total transactions

5.62K acquired · 8.11K disposed

Non-Derivative Transactions2

Common Stock

Direct

M · Option Exercise

+5.62K

Price / share

—

Trade value

—

% of position

8.9%

3/3/2026

63.41K→69.03K

Common Stock

Direct

F · Tax Withholding

−2.49K

Price / share

$19.45

Trade value

$48.49K

% of position

3.6%

3/3/2026

69.03K→66.54K

Total

Net shares

+3.13K

Net value

-$48.49K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	3/3/2026	M · Option Exercise	+5.62K	—	—	8.9%	63.41K	69.03K
Common Stock Direct	3/3/2026	F · Tax Withholding	−2.49K	$19.45	$48.49K	3.6%	69.03K	66.54K
Total			+3.13K		-$48.49K

Derivative Transactions1

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common stock

5.62K shares

−5.62K

Strike price

Held after

11.24K

Exercisable

—

3/3/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Restricted Stock Units Direct	Common stock5.62K shares	3/3/2026	M · Option Exercise	−5.62K		—	11.24K

Non-Derivative Holdings (Post-Transaction)4

Common Stock

Indirect

Shares owned1.28K

Common Stock

Indirect

Shares owned13.90K

Common Stock

Indirect

Shares owned4.92K

Common Stock

Indirect

Shares owned83.24K

Total

103.34K indirect103.34K

Security Title	Shares Owned	Ownership Type
Common Stock	1.28K	Indirect
Common Stock	13.90K	Indirect
Common Stock	4.92K	Indirect
Common Stock	83.24K	Indirect
Total	103.34K	103.34K indirect

Derivative Holdings (Post-Transaction)3

Restricted Stock Units

Direct

Underlying security

Common stock

Underlying shares

7.06K

Shares owned

7.06K

Exercise price

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common stock

Underlying shares

15.16K

Shares owned

15.16K

Exercise price

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common stock

Underlying shares

14.23K

Shares owned

14.23K

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

36.46K

Owned

36.46K

Security	Underlying	Exercise Window	Expiration	Underlying Shares	Shares Owned
Restricted Stock Units Direct	Common stock	—	—	7.06K	7.06K
Restricted Stock Units Direct	Common stock	—	—	15.16K	15.16K
Restricted Stock Units Direct	Common stock	—	—	14.23K	14.23K
Total				36.46K	36.46K