LAMBERT LOUIS (SVP, Gen Counsel & Secretary) exercised options at API GROUP CORP

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

M · 3 exercises

LAMBERT LOUIS

Filed: 3/3/2026ACC: 0001628280-26-014019

InsiderLAMBERT LOUISCIK 1940023

→

IssuerAPI GROUP CORPCIK 1796209

Officer· SVP, Gen Counsel & Secretary

Since Feb 2026

-8.99K

Net shares

Net seller

$399.9K

Total sold

Open market trades

0B · 0S

Total transactions

18.28K acquired · 27.27K disposed

Non-Derivative Transactions5

Common Stock

Direct

M · Option Exercise

+7.47K

Price / share

—

Trade value

—

% of position

46.3%

2/27/2026

16.15K→23.62K

Common Stock

Direct

F · Tax Withholding

−3.68K

Price / share

$44.46

Trade value

$163.48K

% of position

15.6%

2/27/2026

23.62K→19.94K

Common Stock

Direct

M · Option Exercise

+5.38K

Price / share

—

Trade value

—

% of position

27.0%

3/1/2026

19.94K→25.32K

Common Stock

Direct

M · Option Exercise

+5.43K

Price / share

—

Trade value

—

% of position

21.4%

3/1/2026

25.32K→30.75K

Common Stock

Direct

F · Tax Withholding

−5.32K

Price / share

$44.46

Trade value

$236.44K

% of position

17.3%

3/1/2026

30.75K→25.43K

Total

Net shares

+9.28K

Net value

-$399.92K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	2/27/2026	M · Option Exercise	+7.47K	—	—	46.3%	16.15K	23.62K
Common Stock Direct	2/27/2026	F · Tax Withholding	−3.68K	$44.46	$163.48K	15.6%	23.62K	19.94K
Common Stock Direct	3/1/2026	M · Option Exercise	+5.38K	—	—	27.0%	19.94K	25.32K
Common Stock Direct	3/1/2026	M · Option Exercise	+5.43K	—	—	21.4%	25.32K	30.75K
Common Stock Direct	3/1/2026	F · Tax Withholding	−5.32K	$44.46	$236.44K	17.3%	30.75K	25.43K
Total			+9.28K		-$399.92K

Derivative Transactions3

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

7.47K shares

−7.47K

Strike price

Held after

0.00

Exercisable

—

2/27/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

5.38K shares

−5.38K

Strike price

Held after

5.38K

Exercisable

—

3/1/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

5.43K shares

−5.43K

Strike price

Held after

10.85K

Exercisable

—

3/1/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Units Direct	Common Stock7.47K shares	2/27/2026	M · Option Exercise	−7.47K	—	0.00
Restricted Stock Units Direct	Common Stock5.38K shares	3/1/2026	M · Option Exercise	−5.38K	—	5.38K
Restricted Stock Units Direct	Common Stock5.43K shares	3/1/2026	M · Option Exercise	−5.43K	—	10.85K

Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect

Shares owned953.00

Total

953.00 indirect953.00

Security Title	Shares Owned	Ownership Type
Common Stock	953.00	Indirect
Total	953.00	953.00 indirect

Derivative Holdings (Post-Transaction)4

Performance Stock Units

Direct

Underlying security

Common Stock

Underlying shares

15.86K

Shares owned

15.86K

Exercise price

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

10.58K

Shares owned

10.58K

Exercise price

Expiration

—

Exercise window

—

Performance Stock Units

Direct

Underlying security

Common Stock

Underlying shares

24.42K

Shares owned

24.42K

Exercise price

Expiration

—

Exercise window

—

Performance Stock Units

Direct

Underlying security

Common Stock

Underlying shares

24.20K

Shares owned

24.20K

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

75.06K

Owned

75.06K

Security	Underlying	Exercise Window	Expiration	Underlying Shares	Shares Owned
Performance Stock Units Direct	Common Stock	—	—	15.86K	15.86K
Restricted Stock Units Direct	Common Stock	—	—	10.58K	10.58K
Performance Stock Units Direct	Common Stock	—	—	24.42K	24.42K
Performance Stock Units Direct	Common Stock	—	—	24.20K	24.20K
Total				75.06K	75.06K