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 · 3 exercises

KOUNINIS EFSTATHIOS A

Filed: 9/9/2026ACC: 0001353196-26-000028

InsiderKOUNINIS EFSTATHIOS ACIK 1353196

→

IssuerPEGASYSTEMS INCCIK 1013857

Officer· SVP, Chief Accounting Officer

Since Mar 2026

-269.00

Net shares

Net seller

$10.1K

Total sold

Open market trades

0B · 0S

Total transactions

1.10K acquired · 1.36K disposed

Non-Derivative Transactions6

Common stock

Direct

M · Option Exercise

+322.00

Price / share

—

Trade value

—

% of position

27.7%

9/4/2026

1.16K→1.49K

Common stock

Direct

F · Tax Withholding

−79.00

Price / share

$37.72

Trade value

$2.98K

% of position

5.3%

9/4/2026

1.49K→1.41K

Common stock

Direct

M · Option Exercise

+440.00

Price / share

—

Trade value

—

% of position

31.3%

9/5/2026

1.41K→1.85K

Common stock

Direct

F · Tax Withholding

−108.00

Price / share

$37.36

Trade value

$4.03K

% of position

5.8%

9/5/2026

1.85K→1.74K

Common stock

Direct

M · Option Exercise

+334.00

Price / share

—

Trade value

—

% of position

19.2%

9/7/2026

1.74K→2.07K

Common stock

Direct

F · Tax Withholding

−82.00

Price / share

$37.36

Trade value

$3.06K

% of position

4.0%

9/7/2026

2.07K→1.99K

Total

Net shares

+827.00

Net value

-$10.08K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common stock Direct	9/4/2026	M · Option Exercise	+322.00	—	—	27.7%	1.16K	1.49K
Common stock Direct	9/4/2026	F · Tax Withholding	−79.00	$37.72	$2.98K	5.3%	1.49K	1.41K
Common stock Direct	9/5/2026	M · Option Exercise	+440.00	—	—	31.3%	1.41K	1.85K
Common stock Direct	9/5/2026	F · Tax Withholding	−108.00	$37.36	$4.03K	5.8%	1.85K	1.74K
Common stock Direct	9/7/2026	M · Option Exercise	+334.00	—	—	19.2%	1.74K	2.07K
Common stock Direct	9/7/2026	F · Tax Withholding	−82.00	$37.36	$3.06K	4.0%	2.07K	1.99K
Total			+827.00		-$10.08K

Derivative Transactions3

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common stock

322.00 shares

−322.00

Strike price

Held after

3.23K

Exercisable

—

9/4/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common stock

440.00 shares

−440.00

Strike price

Held after

2.64K

Exercisable

—

9/5/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common stock

334.00 shares

−334.00

Strike price

Held after

664.00

Exercisable

—

9/7/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Units Direct	Common stock322.00 shares	9/4/2026	M · Option Exercise	−322.00	—	3.23K
Restricted Stock Units Direct	Common stock440.00 shares	9/5/2026	M · Option Exercise	−440.00	—	2.64K
Restricted Stock Units Direct	Common stock334.00 shares	9/7/2026	M · Option Exercise	−334.00	—	664.00