PEGA

PEGASYSTEMS INC

Services-Computer Processing & Data PreparationNasdaqLarge accelerated filer

Total Trades

153

Buys

1

Sells

116

Largest Trade

N/A

Insiders

9

Institutional Funds

401

Inst. Value

$1M+

Activist Filings

15

Insider Trades

InsiderTitleTypeValueSharesPriceDate
KOUNINIS EFSTATHIOS AVP of Finance & CAOSELL$15K–$50K1K$41.15Aug 16, 2022
STILLWELL KENNETHCOO, CFOSELL$100K–$500K1K$100.76Feb 3, 2022
STILLWELL KENNETHCOO, CFOSELL$100K–$500K1K$111.73Jan 5, 2022
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Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

ALAN TREFLER

SC 13G/A · Nov 12, 2025

46.0%

79.2M shares

TREFLER ALAN

SC 13G/A · Aug 1, 2025

46.0%

79.5M shares

BlackRock, Inc.

SC 13G · Jul 18, 2025

5.1%

8.7M shares

3.6%

3.1M shares

Alan Trefler N/A

SC 13G/A · Nov 12, 2024

46.7%

40.2M shares

0.0%

0 shares

7.0%

5.9M shares

The Vanguard Group - 23-1945930

SC 13G/A · Feb 13, 2024

6.1%

5.1M shares

Alan Trefler N/A

SC 13G/A · Feb 12, 2024

47.7%

40.1M shares

5.2%

4.4M shares

6.8%

5.6M shares

Alan Trefler N/A

SC 13G/A · Feb 14, 2023

48.5%

40.1M shares

6.0%

4.9M shares

6.1%

4.9M shares

Alan Trefler N/A

SC 13G/A · Feb 14, 2022

48.8%

40.0M shares

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