TREFLER LEON (Chief of Clients and Markets) exercised options at PEGASYSTEMS INC

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

M · 3 exercises

TREFLER LEON

Filed: 9/9/2026ACC: 0001480560-26-000022

InsiderTREFLER LEONCIK 1480560

→

IssuerPEGASYSTEMS INCCIK 1013857

Officer· Chief of Clients and Markets

Since Feb 2022

-2.55K

Net shares

Net seller

$95.5K

Total sold

Open market trades

0B · 0S

Total transactions

6.48K acquired · 9.03K disposed

Non-Derivative Transactions6

Common stock

Direct

M · Option Exercise

+1.62K

Price / share

—

Trade value

—

% of position

1.3%

9/4/2026

127.72K→129.34K

Common stock

Direct

F · Tax Withholding

−636.00

Price / share

$37.72

Trade value

$23.99K

% of position

0.5%

9/4/2026

129.34K→128.70K

Common stock

Direct

M · Option Exercise

+2.20K

Price / share

—

Trade value

—

% of position

1.7%

9/5/2026

128.70K→130.91K

Common stock

Direct

F · Tax Withholding

−867.00

Price / share

$37.36

Trade value

$32.39K

% of position

0.7%

9/5/2026

130.91K→130.04K

Common stock

Direct

M · Option Exercise

+2.66K

Price / share

—

Trade value

—

% of position

2.0%

9/7/2026

130.04K→132.70K

Common stock

Direct

F · Tax Withholding

−1.05K

Price / share

$37.36

Trade value

$39.08K

% of position

0.8%

9/7/2026

132.70K→131.65K

Total

Net shares

+3.93K

Net value

-$95.46K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common stock Direct	9/4/2026	M · Option Exercise	+1.62K	—	—	1.3%	127.72K	129.34K
Common stock Direct	9/4/2026	F · Tax Withholding	−636.00	$37.72	$23.99K	0.5%	129.34K	128.70K
Common stock Direct	9/5/2026	M · Option Exercise	+2.20K	—	—	1.7%	128.70K	130.91K
Common stock Direct	9/5/2026	F · Tax Withholding	−867.00	$37.36	$32.39K	0.7%	130.91K	130.04K
Common stock Direct	9/7/2026	M · Option Exercise	+2.66K	—	—	2.0%	130.04K	132.70K
Common stock Direct	9/7/2026	F · Tax Withholding	−1.05K	$37.36	$39.08K	0.8%	132.70K	131.65K
Total			+3.93K		-$95.46K

Derivative Transactions3

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common stock

1.62K shares

−1.62K

Strike price

Held after

16.15K

Exercisable

—

9/4/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common stock

2.20K shares

−2.20K

Strike price

Held after

13.21K

Exercisable

—

9/5/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common stock

2.66K shares

−2.66K

Strike price

Held after

5.32K

Exercisable

—

9/7/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Units Direct	Common stock1.62K shares	9/4/2026	M · Option Exercise	−1.62K	—	16.15K
Restricted Stock Units Direct	Common stock2.20K shares	9/5/2026	M · Option Exercise	−2.20K	—	13.21K
Restricted Stock Units Direct	Common stock2.66K shares	9/7/2026	M · Option Exercise	−2.66K	—	5.32K