PONDER MARK G (SEVP, Chief Admin. 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

PONDER MARK G

Filed: 2/26/2026ACC: 0001025835-26-000049

InsiderPONDER MARK GCIK 1550076

→

IssuerENTERPRISE FINANCIAL SERVICES CORPCIK 1025835

Officer· SEVP, Chief Admin. Officer

Since Mar 2026

-1.47K

Net shares

Net seller

$84.4K

Total sold

Open market trades

0B · 0S

Total transactions

3.33K acquired · 4.79K disposed

Non-Derivative Transactions2

Common Stock

Direct

M · Option Exercise

+3.33K

Price / share

—

Trade value

—

% of position

66.7%

2/24/2026

4.99K→8.31K

Common Stock

Direct

F · Tax Withholding

−1.47K

Price / share

$57.57

Trade value

$84.40K

% of position

17.6%

2/24/2026

8.31K→6.85K

Total

Net shares

+1.86K

Net value

-$84.40K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	2/24/2026	M · Option Exercise	+3.33K	—	—	66.7%	4.99K	8.31K
Common Stock Direct	2/24/2026	F · Tax Withholding	−1.47K	$57.57	$84.40K	17.6%	8.31K	6.85K
Total			+1.86K		-$84.40K

Derivative Transactions1

Restricted Share Units

Direct

M · Option Exercise

Converts to

Common Stock

3.33K shares

−3.33K

Strike price

Held after

3.33K

Exercisable

—

2/24/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Restricted Share Units Direct	Common Stock3.33K shares	2/24/2026	M · Option Exercise	−3.33K		—	3.33K

Non-Derivative Holdings (Post-Transaction)3

Common Stock

Direct

Shares owned23.73K

Common Stock

Indirect

Shares owned200.00

Common Stock

Indirect

Shares owned1.52K

Total

23.73K direct·1.72K indirect25.44K

Security Title	Shares Owned	Ownership Type
Common Stock	23.73K	Direct
Common Stock	200.00	Indirect
Common Stock	1.52K	Indirect
Total	25.44K	23.73K direct·1.72K indirect

Derivative Holdings (Post-Transaction)7

Non Qualified Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

3.93K

Shares owned

3.93K

Exercise price

57.17

Expiration

—

Exercise window

—

Non Qualified Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

4.88K

Shares owned

4.88K

Exercise price

48.34

Expiration

—

Exercise window

—

Non Qualified Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

4.92K

Shares owned

4.92K

Exercise price

54.46

Expiration

—

Exercise window

—

Non Qualified Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

4.52K

Shares owned

4.52K

Exercise price

43.81

Expiration

—

Exercise window

—

Non Qualified Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

7.46K

Shares owned

7.46K

Exercise price

39.50

Expiration

—

Exercise window

—

Restricted Share Units

Direct

Underlying security

Common Stock

Underlying shares

1.43K

Shares owned

1.43K

Exercise price

Expiration

—

Exercise window

—

Restricted Share Units

Direct

Underlying security

Common Stock

Underlying shares

1.31K

Shares owned

1.31K

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

28.45K

Owned

28.45K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Non Qualified Stock Option (Right to Buy) Direct	Common Stock	57.17	—	—	3.93K	3.93K
Non Qualified Stock Option (Right to Buy) Direct	Common Stock	48.34	—	—	4.88K	4.88K
Non Qualified Stock Option (Right to Buy) Direct	Common Stock	54.46	—	—	4.92K	4.92K
Non Qualified Stock Option (Right to Buy) Direct	Common Stock	43.81	—	—	4.52K	4.52K
Non Qualified Stock Option (Right to Buy) Direct	Common Stock	39.50	—	—	7.46K	7.46K
Restricted Share Units Direct	Common Stock		—	—	1.43K	1.43K
Restricted Share Units Direct	Common Stock		—	—	1.31K	1.31K
Total					28.45K	28.45K