KOUNINIS EFSTATHIOS A (SVP, Chief Accounting Officer) exercised options at PEGASYSTEMS INC

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

M · 2 exercises

KOUNINIS EFSTATHIOS A

Filed: 3/5/2026ACC: 0001353196-26-000006

InsiderKOUNINIS EFSTATHIOS ACIK 1353196

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IssuerPEGASYSTEMS INCCIK 1013857

Officer· SVP, Chief Accounting Officer

Since Mar 2026

+16.85K

Net shares

Net buyer

$43.6K

Total sold

Open market trades

0B · 0S

Total transactions

21.32K acquired · 4.47K disposed

Non-Derivative Transactions4

Common stock

Direct

M · Option Exercise

+1.29K

Price / share

—

Trade value

—

% of position

103.4%

3/4/2026

1.25K→2.54K

Common stock

Direct

F · Tax Withholding

−313.00

Price / share

$45.01

Trade value

$14.09K

% of position

12.3%

3/4/2026

2.54K→2.23K

Common stock

Direct

M · Option Exercise

+2.21K

Price / share

—

Trade value

—

% of position

99.1%

3/4/2026

2.23K→4.44K

Common stock

Direct

F · Tax Withholding

−655.00

Price / share

$45.01

Trade value

$29.48K

% of position

14.8%

3/4/2026

4.44K→3.78K

Total

Net shares

+2.53K

Net value

-$43.57K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common stock Direct	3/4/2026	M · Option Exercise	+1.29K	—	—	103.4%	1.25K	2.54K
Common stock Direct	3/4/2026	F · Tax Withholding	−313.00	$45.01	$14.09K	12.3%	2.54K	2.23K
Common stock Direct	3/4/2026	M · Option Exercise	+2.21K	—	—	99.1%	2.23K	4.44K
Common stock Direct	3/4/2026	F · Tax Withholding	−655.00	$45.01	$29.48K	14.8%	4.44K	3.78K
Total			+2.53K		-$43.57K

Derivative Transactions5

Stock Option

Direct

A · Award

Converts to

Common stock

11.39K shares

+11.39K

Strike price

45.01

Held after

11.39K

Exercisable

—

3/3/2026

Restricted Stock Units

Direct

A · Award

Converts to

Common stock

4.47K shares

+4.47K

Strike price

Held after

4.47K

Exercisable

—

3/3/2026

Restricted Stock Units

Direct

A · Award

Converts to

Common stock

1.96K shares

+1.96K

Strike price

Held after

1.96K

Exercisable

—

3/3/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common stock

1.29K shares

−1.29K

Strike price

Held after

3.88K

Exercisable

—

3/4/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common stock

2.21K shares

−2.21K

Strike price

Held after

0.00

Exercisable

—

3/4/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option Direct	Common stock11.39K shares	3/3/2026	A · Award	+11.39K	45.01	—	11.39K
Restricted Stock Units Direct	Common stock4.47K shares	3/3/2026	A · Award	+4.47K	0	—	4.47K
Restricted Stock Units Direct	Common stock1.96K shares	3/3/2026	A · Award	+1.96K	0	—	1.96K
Restricted Stock Units Direct	Common stock1.29K shares	3/4/2026	M · Option Exercise	−1.29K	0	—	3.88K
Restricted Stock Units Direct	Common stock2.21K shares	3/4/2026	M · Option Exercise	−2.21K	0	—	0.00