LALLY JAMES BRIAN (CEO) 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

LALLY JAMES BRIAN

Filed: 2/26/2026ACC: 0001025835-26-000047

InsiderLALLY JAMES BRIANCIK 1674404

→

IssuerENTERPRISE FINANCIAL SERVICES CORPCIK 1025835

DirectorOfficer· CEO

Since Mar 2026

-3.50K

Net shares

Net seller

$201.6K

Total sold

Open market trades

0B · 0S

Total transactions

7.98K acquired · 11.48K disposed

Non-Derivative Transactions2

Common Stock

Direct

M · Option Exercise

+7.98K

Price / share

—

Trade value

—

% of position

7.2%

2/24/2026

111.22K→119.20K

Common Stock

Direct

F · Tax Withholding

−3.50K

Price / share

$57.57

Trade value

$201.61K

% of position

2.9%

2/24/2026

119.20K→115.70K

Total

Net shares

+4.48K

Net value

-$201.61K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	2/24/2026	M · Option Exercise	+7.98K	—	—	7.2%	111.22K	119.20K
Common Stock Direct	2/24/2026	F · Tax Withholding	−3.50K	$57.57	$201.61K	2.9%	119.20K	115.70K
Total			+4.48K		-$201.61K

Derivative Transactions1

Restricted Share Units

Direct

M · Option Exercise

Converts to

Common Stock

7.98K shares

−7.98K

Strike price

Held after

7.98K

Exercisable

—

2/24/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Restricted Share Units Direct	Common Stock7.98K shares	2/24/2026	M · Option Exercise	−7.98K		—	7.98K

Non-Derivative Holdings (Post-Transaction)2

Common Stock

Indirect

Shares owned19.57K

Common Stock

Direct

Shares owned4.11K

Total

4.11K direct·19.57K indirect23.68K

Security Title	Shares Owned	Ownership Type
Common Stock	19.57K	Indirect
Common Stock	4.11K	Direct
Total	23.68K	4.11K direct·19.57K indirect

Derivative Holdings (Post-Transaction)7

Non Qualified Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

30.66K

Shares owned

30.66K

Exercise price

39.50

Expiration

—

Exercise window

—

Restricted Share Units

Direct

Underlying security

Common Stock

Underlying shares

5.86K

Shares owned

5.86K

Exercise price

Expiration

—

Exercise window

—

Restricted Share Units

Direct

Underlying security

Common Stock

Underlying shares

5.40K

Shares owned

5.40K

Exercise price

Expiration

—

Exercise window

—

Non Qualified Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

20.44K

Shares owned

20.44K

Exercise price

54.46

Expiration

—

Exercise window

—

Non Qualified Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

20.32K

Shares owned

20.32K

Exercise price

48.34

Expiration

—

Exercise window

—

Non Qualified Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

16.14K

Shares owned

16.14K

Exercise price

57.17

Expiration

—

Exercise window

—

Non Qualified Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

17.64K

Shares owned

17.64K

Exercise price

43.81

Expiration

—

Exercise window

—

Total

Underlying

116.46K

Owned

116.46K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Non Qualified Stock Option (Right to Buy) Direct	Common Stock	39.50	—	—	30.66K	30.66K
Restricted Share Units Direct	Common Stock		—	—	5.86K	5.86K
Restricted Share Units Direct	Common Stock		—	—	5.40K	5.40K
Non Qualified Stock Option (Right to Buy) Direct	Common Stock	54.46	—	—	20.44K	20.44K
Non Qualified Stock Option (Right to Buy) Direct	Common Stock	48.34	—	—	20.32K	20.32K
Non Qualified Stock Option (Right to Buy) Direct	Common Stock	57.17	—	—	16.14K	16.14K
Non Qualified Stock Option (Right to Buy) Direct	Common Stock	43.81	—	—	17.64K	17.64K
Total					116.46K	116.46K