IANNACONE NICOLE M

PrivateCIK: 1731826

Location

ST. LOUIS, MO

IANNACONE NICOLE M (SEVP, Chief Legal 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

IANNACONE NICOLE M

Filed: 2/26/2026ACC: 0001025835-26-000053

InsiderIANNACONE NICOLE MCIK 1731826

→

IssuerENTERPRISE FINANCIAL SERVICES CORPCIK 1025835

Officer· SEVP, Chief Legal Officer

Since Mar 2026

-1.47K

Net shares

Net seller

$84.4K

Total sold

0

Open market trades

0B · 0S

3

Total transactions

3.33K acquired · 4.79K disposed

Non-Derivative Transactions2

Common Stock

Direct

M · Option Exercise

Shares

+3.33K

Price / share

—

Trade value

—

% of position

15.8%

2/24/2026

21K→24.32K

Common Stock

Direct

F · Tax Withholding

Shares

−1.47K

Price / share

$57.57

Trade value

$84.40K

% of position

6.0%

2/24/2026

24.32K→22.86K

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	—	—	15.8%	21K	24.32K
Common Stock Direct	2/24/2026	F · Tax Withholding	−1.47K	$57.57	$84.40K	6.0%	24.32K	22.86K
Total			+1.86K		-$84.40K

Derivative Transactions1

Restricted Share Units

Direct

M · Option Exercise

Converts to

Common Stock

3.33K shares

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)0

No non-derivative holdings reported

Derivative Holdings (Post-Transaction)7

Non Qualified Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

4.95K

Shares owned

4.95K

Exercise price

48.34

Expiration

—

Exercise window

—

Restricted Share Units

Direct

Underlying security

Common Stock

Underlying shares

1.33K

Shares owned

1.33K

Exercise price

Expiration

—

Exercise window

—

Non Qualified Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

7.55K

Shares owned

7.55K

Exercise price

39.50

Expiration

—

Exercise window

—

Restricted Share Units

Direct

Underlying security

Common Stock

Underlying shares

1.44K

Shares owned

1.44K

Exercise price

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

3.98K

Shares owned

3.98K

Exercise price

57.17

Expiration

—

Exercise window

—

Non Qualified Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

4.99K

Shares owned

4.99K

Exercise price

54.46

Expiration

—

Exercise window

—

Total

Underlying

28.75K

Owned

28.75K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Non Qualified Stock Option (Right to Buy) Direct	Common Stock	48.34	—	—	4.95K	4.95K
Restricted Share Units Direct	Common Stock		—	—	1.33K	1.33K
Non Qualified Stock Option (Right to Buy) Direct	Common Stock	39.50	—	—	7.55K	7.55K
Restricted Share Units Direct	Common Stock		—	—	1.44K	1.44K
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	57.17	—	—	3.98K	3.98K
Non Qualified Stock Option (Right to Buy) Direct	Common Stock	54.46	—	—	4.99K	4.99K
Total					28.75K	28.75K

IANNACONE NICOLE M — Insider Transaction (Form 4) Filed Feb 26, 2026 | Finecho