0001950047-23-006102.txt : 20231214 0001950047-23-006102.hdr.sgml : 20231214 20231214172148 ACCESSION NUMBER: 0001950047-23-006102 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20231214 DATE AS OF CHANGE: 20231214 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: PEGASYSTEMS INC CENTRAL INDEX KEY: 0001013857 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374] IRS NUMBER: 042787865 STATE OF INCORPORATION: MA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-11859 FILM NUMBER: 231488027 BUSINESS ADDRESS: STREET 1: ONE MAIN STREET CITY: CAMBRIDGE STATE: MA ZIP: 02142-1531 BUSINESS PHONE: 6173749600 MAIL ADDRESS: STREET 1: ONE MAIN STREET CITY: CAMBRIDGE STATE: MA ZIP: 02142-1531 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: KOUNINIS EFSTATHIOS A CENTRAL INDEX KEY: 0001353196 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 26 GRANDVIEW DRIVE CITY: DOVER STATE: NH ZIP: 03820 144 1 primary_doc.xml 144 0001353196 XXXXXXXX LIVE 0001013857 PEGASYSTEMS INC. 001-11859 One Main Street Cambridge MA 02142 (617) 374-9600 EFSTATHIOS A KOUNINIS Officer Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

248 13020.00 83555919 12/14/2023 NASDAQ Common 12/03/2023 Restricted stock vesting under a registered plan Issuer N 58 09/03/2023 Not Applicable Common 12/01/2023 Restricted stock vesting under a registered plan Issuer N 77 09/01/2023 Not Applicable Common 12/02/2023 Restricted stock vesting under a registered plan Issuer N 40 09/02/2023 Not Applicable Common 12/06/2023 Restricted stock vesting under a registered plan Issuer N 73 09/06/2023 Not Applicable N EFSTATHIOS A KOUNINIS

One Main Street Cambridge MA 02142

Common 11/22/2023 4723 247486.14 12/14/2023 /s/ Efstathios Kouninis