MONTGOMERY JOHN HAINES (President and CEO) exercised options at CB FINANCIAL SERVICES, INC.

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

M · 1 exercise

MONTGOMERY JOHN HAINES

Filed: 6/17/2026ACC: 0001437749-26-020983

InsiderMONTGOMERY JOHN HAINESCIK 1437134

→

IssuerCB FINANCIAL SERVICES, INC.CIK 1605301

DirectorOfficer· President and CEO

Since Aug 2020

+3.50K

Net shares

Net buyer

$65.1K

Total acquired

Open market trades

0B · 0S

Total transactions

3.50K acquired

Non-Derivative Transactions1

Common Stock

Direct

M · Option Exercise

+3.50K

Price / share

$18.60

Trade value

$65.10K

% of position

9.0%

6/17/2026

39.04K→42.54K

Total

Net shares

+3.50K

Net value

$65.10K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	6/17/2026	M · Option Exercise	+3.50K	$18.60	$65.10K	9.0%	39.04K	42.54K
Total			+3.50K		$65.10K

Derivative Transactions1

Stock Options

Direct

M · Option Exercise

Converts to

Common Stock

3.50K shares

−N/A

Strike price

18.60

Held after

Exercisable

—

6/17/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Options Direct	Common Stock3.50K shares	6/17/2026	M · Option Exercise	−N/A	18.60	—	1K

Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect

Shares owned2.50K

Total

2.50K indirect2.50K

Security Title	Shares Owned	Ownership Type
Common Stock	2.50K	Indirect
Total	2.50K	2.50K indirect

Derivative Holdings (Post-Transaction)4

Stock Options

Direct

Underlying security

Common Stock

Underlying shares

13.79K

Shares owned

13.79K

Exercise price

22.1200

Expiration

—

Exercise window

—

Stock Options

Direct

Underlying security

Common Stock

Underlying shares

10K

Shares owned

10K

Exercise price

26.2500

Expiration

—

Exercise window

—

Stock Options

Direct

Underlying security

Common Stock

Underlying shares

10K

Shares owned

10K

Exercise price

24.0300

Expiration

—

Exercise window

—

Stock Options

Direct

Underlying security

Common Stock

Underlying shares

8.50K

Shares owned

8.50K

Exercise price

22.0100

Expiration

—

Exercise window

—

Total

Underlying

42.29K

Owned

42.29K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Stock Options Direct	Common Stock	22.1200	—	—	13.79K	13.79K
Stock Options Direct	Common Stock	26.2500	—	—	10K	10K
Stock Options Direct	Common Stock	24.0300	—	—	10K	10K
Stock Options Direct	Common Stock	22.0100	—	—	8.50K	8.50K
Total					42.29K	42.29K