Key facts
- This page summarizes Efstathios A. Kouninis's Form 4 filing for PEGASYSTEMS INC (PEGA).
- 7 reported transactions and 2 derivative rows are listed below.
- Accepted by SEC: 02 Sep 2026, 16:03.
Efstathios A. Kouninis - 31 Aug 2026 Form 4 Insider Report for PEGASYSTEMS INC (PEGA)
- Reporting relationship
- SVP, Chief Accounting Officer
- Issuer ticker
- PEGA
- Reported as of
- 31 Aug 2026
- Net transaction value
- -$36,938
- SEC form
- 4
- Accepted by SEC
- 02 Sep 2026, 16:03:28 UTC
- Prior SEC filing
- 11 Aug 2026
- Next SEC filing
- 03 Sep 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Ewelina Kemp, Attorney-in-Fact for Efstathios A. Kouninis
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Efstathios A. Kouninis filed Form 4 for PEGASYSTEMS INC (PEGA) on 02 Sep 2026.
Change
- Previous filing in this sequence was filed on 11 Aug 2026.
- Current net transaction value: -$36,938.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001353196
Primary reporting owner
KOUNINIS EFSTATHIOS A
- Relationship
- SVP, Chief Accounting Officer
- Address
- C/O PEGASYSTEMS INC., 225 WYMAN STREET, STE 300, WALTHAM
- Signature
- /s/ Ewelina Kemp, Attorney-in-Fact for Efstathios A. Kouninis
- Signature date
- 02 Sep 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
PEGA
transaction
Common stock
Options Exercise
- Transaction value
- Shares
- +2,500
- Change %
- +248%
- Price
- $16.95*
- Shares after
- 3,509
- Date
- 31 Aug 2026
- Ownership
- Direct
PEGA
transaction
Common stock
Tax liability
- Transaction value
- Shares
- -1,488
- Change %
- -42%
- Price
- $36.50*
- Shares after
- 2,021
- Date
- 31 Aug 2026
- Ownership
- Direct
PEGA
transaction
Common stock
Sale
- Transaction value
- $36,938
- Shares
- -1,012
- Change %
- -50%
- Price
- $36.50
- Shares after
- 1,009
- Date
- 31 Aug 2026
- Ownership
- Direct
PEGA
transaction
Common stock
Options Exercise
- Transaction value
- Shares
- +206
- Change %
- +20%
- Price
- $0.000000*
- Shares after
- 1,215
- Date
- 01 Sep 2026
- Ownership
- Direct
PEGA
transaction
Common stock
Tax liability
- Transaction value
- Shares
- -51
- Change %
- -4.2%
- Price
- $36.81*
- Shares after
- 1,164
- Date
- 01 Sep 2026
- Ownership
- Direct
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
PEGA
transaction
Derivative
Stock Options
Options Exercise
- Transaction value
- Shares
- -2,500
- Change %
- -21%
- Price
- $0.000000*
- Shares after
- 9,300
- Date
- 31 Aug 2026
- Ownership
- Direct
- Underlying class
- Common stock
- Underlying amount
- 2,500
- Exercise price
- $16.95
- Footnotes
- F1
PEGA
transaction
Derivative
Restricted Stock Units
Options Exercise
- Transaction value
- Shares
- -206
- Change %
- -33%
- Price
- $0.000000*
- Shares after
- 412
- Date
- 01 Sep 2026
- Ownership
- Direct
- Underlying class
- Common stock
- Underlying amount
- 206
- Exercise price
- $0.000000
- Footnotes
- F2, F3
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 3 footnotes
Footnote F1
Options will vest in equal quarterly amounts over a four year period with the first vest occurring on February 2, 2023.
Footnote F2
Each restricted stock unit represents the right to receive, following vesting, one share of common stock.
Footnote F3
20% of the restricted stock units vested on the Date Exercisable in Table II, and the remaining 80% vest in equal quarterly installments over the following four years.