KOUNINIS EFSTATHIOS A

PrivateCIK: 1353196
Location

WALTHAM, MA

KOUNINIS EFSTATHIOS A (SVP, Chief Accounting Officer) sold 41.2% of their position (1.50K shares) of PEGASYSTEMS INC on the open market

Open‑market sale worth $53.8K — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderKOUNINIS EFSTATHIOS ACIK 1353196
IssuerPEGASYSTEMS INCCIK 1013857
Officer· SVP, Chief Accounting Officer
Since Mar 2026
-1.55K
Net shares
Net seller
$55.6K
Total sold
2
Open market trades
0B · 2S
5
Total transactions
204.00 acquired · 1.75K disposed
Non-Derivative Transactions4

Common stock

Direct
S · Sale

Shares

750.00

Price / share

$34.75

Trade value

$26.06K

% of position

20.6%
5/29/2026
3.64K2.89K

Common stock

Direct
S · Sale

Shares

750.00

Price / share

$36.99

Trade value

$27.74K

% of position

25.9%
6/1/2026
2.89K2.14K

Common stock

Direct
M · Option Exercise

Shares

+204.00

Price / share

Trade value

% of position

9.5%
6/1/2026
2.14K2.35K

Common stock

Direct
F · Tax Withholding

Shares

50.00

Price / share

$35.73

Trade value

$1.79K

% of position

2.1%
6/1/2026
2.35K2.30K
Total

Net shares

1.35K

Net value

-$55.59K

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common stock

204.00 shares

Shares

204.00

Strike price

0

Held after

618.00

Exercisable

6/1/2026
KOUNINIS EFSTATHIOS A — Insider Transaction (Form 4) Filed Jun 2, 2026 | Finecho