DUMLAO TROY (SVP, Chief Accounting 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

DUMLAO TROY

Filed: 4/16/2026ACC: 0001025835-26-000089

InsiderDUMLAO TROYCIK 1283697

→

IssuerENTERPRISE FINANCIAL SERVICES CORPCIK 1025835

Officer· SVP, Chief Accounting Officer

Since May 2019

-168.00

Net shares

Net seller

$9.8K

Total sold

Open market trades

0B · 0S

Total transactions

380.00 acquired · 548.00 disposed

Non-Derivative Transactions2

Common Stock

Direct

M · Option Exercise

+380.00

Price / share

—

Trade value

—

% of position

4.6%

4/14/2026

8.26K→8.64K

Common Stock

Direct

F · Tax Withholding

−168.00

Price / share

$58.30

Trade value

$9.79K

% of position

1.9%

4/14/2026

8.64K→8.47K

Total

Net shares

+212.00

Net value

-$9.79K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	4/14/2026	M · Option Exercise	+380.00	—	—	4.6%	8.26K	8.64K
Common Stock Direct	4/14/2026	F · Tax Withholding	−168.00	$58.30	$9.79K	1.9%	8.64K	8.47K
Total			+212.00		-$9.79K

Derivative Transactions1

Restricted Share Units

Direct

M · Option Exercise

Converts to

Common Stock

380.00 shares

−380.00

Strike price

Held after

0.00

Exercisable

—

4/14/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Restricted Share Units Direct	Common Stock380.00 shares	4/14/2026	M · Option Exercise	−380.00		—	0.00

Non-Derivative Holdings (Post-Transaction)1

Depository Shares

Direct

Shares owned400.00

Total

400.00 direct400.00

Security Title	Shares Owned	Ownership Type
Depository Shares	400.00	Direct
Total	400.00	400.00 direct

Derivative Holdings (Post-Transaction)8

Non Qualified Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

1.27K

Shares owned

1.27K

Exercise price

48.34

Expiration

—

Exercise window

—

Restricted Share Units

Direct

Underlying security

Common Stock

Underlying shares

836.00

Shares owned

836.00

Exercise price

Expiration

—

Exercise window

—

Non Qualified Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

2.72K

Shares owned

2.72K

Exercise price

39.50

Expiration

—

Exercise window

—

Restricted Share Units

Direct

Underlying security

Common Stock

Underlying shares

642.00

Shares owned

642.00

Exercise price

Expiration

—

Exercise window

—

Non Qualified Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

1.06K

Shares owned

1.06K

Exercise price

43.81

Expiration

—

Exercise window

—

Restricted Share Units

Direct

Underlying security

Common Stock

Underlying shares

520.00

Shares owned

520.00

Exercise price

Expiration

—

Exercise window

—

Non Qualified Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

1.77K

Shares owned

1.77K

Exercise price

54.46

Expiration

—

Exercise window

—

Non Qualified Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

1.92K

Shares owned

1.92K

Exercise price

57.17

Expiration

—

Exercise window

—

Total

Underlying

10.73K

Owned

10.73K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Non Qualified Stock Option (Right to Buy) Direct	Common Stock	48.34	—	—	1.27K	1.27K
Restricted Share Units Direct	Common Stock		—	—	836.00	836.00
Non Qualified Stock Option (Right to Buy) Direct	Common Stock	39.50	—	—	2.72K	2.72K
Restricted Share Units Direct	Common Stock		—	—	642.00	642.00
Non Qualified Stock Option (Right to Buy) Direct	Common Stock	43.81	—	—	1.06K	1.06K
Restricted Share Units Direct	Common Stock		—	—	520.00	520.00
Non Qualified Stock Option (Right to Buy) Direct	Common Stock	54.46	—	—	1.77K	1.77K
Non Qualified Stock Option (Right to Buy) Direct	Common Stock	57.17	—	—	1.92K	1.92K
Total					10.73K	10.73K