KEENE S TURNER (SEVP, Chief Financial Officer) exercised options at ENTERPRISE FINANCIAL SERVICES CORP

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

M · 1 exercise

KEENE S TURNER

Filed: 2/26/2026ACC: 0001025835-26-000051

InsiderKEENE S TURNERCIK 1482570

→

IssuerENTERPRISE FINANCIAL SERVICES CORPCIK 1025835

Officer· SEVP, Chief Financial Officer

Since Mar 2026

-2.17K

Net shares

Net seller

$124.9K

Total sold

Open market trades

0B · 0S

Total transactions

4.99K acquired · 7.16K disposed

Non-Derivative Transactions2

Common Stock

Direct

M · Option Exercise

+4.99K

Price / share

—

Trade value

—

% of position

8.1%

2/24/2026

61.50K→66.49K

Common Stock

Direct

F · Tax Withholding

−2.17K

Price / share

$57.57

Trade value

$124.87K

% of position

3.3%

2/24/2026

66.49K→64.32K

Total

Net shares

+2.82K

Net value

-$124.87K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	2/24/2026	M · Option Exercise	+4.99K	—	—	8.1%	61.50K	66.49K
Common Stock Direct	2/24/2026	F · Tax Withholding	−2.17K	$57.57	$124.87K	3.3%	66.49K	64.32K
Total			+2.82K		-$124.87K

Derivative Transactions1

Restricted Share Units

Direct

M · Option Exercise

Converts to

Common Stock

4.99K shares

−4.99K

Strike price

Held after

4.99K

Exercisable

—

2/24/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Restricted Share Units Direct	Common Stock4.99K shares	2/24/2026	M · Option Exercise	−4.99K		—	4.99K

Non-Derivative Holdings (Post-Transaction)2

Depository Shares

Direct

Shares owned2K

Common Stock

Indirect

Shares owned1.68K

Total

2K direct·1.68K indirect3.68K

Security Title	Shares Owned	Ownership Type
Depository Shares	2K	Direct
Common Stock	1.68K	Indirect
Total	3.68K	2K direct·1.68K indirect

Derivative Holdings (Post-Transaction)7

Non Qualified Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

9.61K

Shares owned

9.61K

Exercise price

54.46

Expiration

—

Exercise window

—

Restricted Share Units

Direct

Underlying security

Common Stock

Underlying shares

2.90K

Shares owned

2.90K

Exercise price

Expiration

—

Exercise window

—

Non Qualified Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

9.04K

Shares owned

9.04K

Exercise price

43.81

Expiration

—

Exercise window

—

Non Qualified Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

7.98K

Shares owned

7.98K

Exercise price

57.17

Expiration

—

Exercise window

—

Restricted Share Units

Direct

Underlying security

Common Stock

Underlying shares

2.67K

Shares owned

2.67K

Exercise price

Expiration

—

Exercise window

—

Non Qualified Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

9.93K

Shares owned

9.93K

Exercise price

48.34

Expiration

—

Exercise window

—

Non Qualified Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

15.16K

Shares owned

15.16K

Exercise price

39.50

Expiration

—

Exercise window

—

Total

Underlying

57.30K

Owned

57.30K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Non Qualified Stock Option (Right to Buy) Direct	Common Stock	54.46	—	—	9.61K	9.61K
Restricted Share Units Direct	Common Stock		—	—	2.90K	2.90K
Non Qualified Stock Option (Right to Buy) Direct	Common Stock	43.81	—	—	9.04K	9.04K
Non Qualified Stock Option (Right to Buy) Direct	Common Stock	57.17	—	—	7.98K	7.98K
Restricted Share Units Direct	Common Stock		—	—	2.67K	2.67K
Non Qualified Stock Option (Right to Buy) Direct	Common Stock	48.34	—	—	9.93K	9.93K
Non Qualified Stock Option (Right to Buy) Direct	Common Stock	39.50	—	—	15.16K	15.16K
Total					57.30K	57.30K