PEGA shareholder plans sale of 860 common shares

Shareholder Efstathios A. Kouninis filed a Form 144 covering a proposed sale of 860 shares of PEGA common stock through Morgan Stanley Smith Barney LLC Executive Financial Services on NASDAQ, with an expected sale date of August 7, 2026.

Rhea-AI Filing Summary

Shareholder Efstathios A. Kouninis filed a Form 144 covering a proposed sale of 860 shares of PEGA common stock through Morgan Stanley Smith Barney LLC Executive Financial Services on NASDAQ, with an expected sale date of August 7, 2026.

The filing also lists restricted stock vesting under a registered plan totaling 860 shares across four dates in 2026, and reports prior open-market sales of 750 shares each on May 29, June 1, and June 16, 2026, including corresponding dollar amounts.

Key Figures

Proposed shares to be sold: 860 shares Restricted stock vesting 1: 251 shares Restricted stock vesting 2: 332 shares +5 more

8 metrics

Proposed shares to be sold 860 shares Covered by Form 144 for sale on or after August 7, 2026

Restricted stock vesting 1 251 shares Restricted Stock Vesting Under a Registered Plan on March 7, 2026

Restricted stock vesting 2 332 shares Restricted Stock Vesting Under a Registered Plan on March 5, 2026

Restricted stock vesting 3 122 shares Restricted Stock Vesting Under a Registered Plan on June 1, 2026

Restricted stock vesting 4 155 shares Restricted Stock Vesting Under a Registered Plan on March 4, 2026

Sale on May 29, 2026 750 shares; 26062.50 Common stock sale reported in past 3 months section

Sale on June 1, 2026 750 shares; 27742.50 Common stock sale reported in past 3 months section

Sale on June 16, 2026 750 shares; 24235.35 Common stock sale reported in past 3 months section

Key Terms

Form 144, Restricted Stock Vesting Under a Registered Plan, Executive Financial Services, Securities To Be Sold

4 terms

Form 144 regulatory

"Filer Information | | | 144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock Vesting Under a Registered Plan financial

"Common | 03/07/2026 | Restricted Stock Vesting Under a Registered Plan"

Executive Financial Services financial

"Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza"

Securities To Be Sold regulatory

"144: Securities To Be Sold Common | 03/07/2026"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the PEGA Form 144 filed by Efstathios A. Kouninis disclose?

The Form 144 discloses that Efstathios A. Kouninis intends to sell 860 shares of PEGA common stock on or after August 7, 2026 through Morgan Stanley Smith Barney LLC on NASDAQ.

How many PEGA shares does Efstathios A. Kouninis plan to sell under this Form 144?

The filing covers a proposed sale of 860 shares of PEGA common stock. These shares are to be sold through Morgan Stanley Smith Barney LLC Executive Financial Services on NASDAQ with an expected sale date of August 7, 2026.

What restricted stock vesting is reported in the PEGA Form 144 for Efstathios A. Kouninis?

The filing lists restricted stock vesting under a registered plan of 251, 332, 122, and 155 shares on various dates in 2026, all categorized as Restricted Stock Vesting Under a Registered Plan from the issuer.

What PEGA share sales has Efstathios A. Kouninis made in the past three months?

The filing reports three sales of 750 shares of PEGA common stock each on May 29, 2026, June 1, 2026, and June 16, 2026, with corresponding dollar amounts of 26,062.50, 27,742.50, and 24,235.35 respectively.

Through which broker is the PEGA Form 144 sale by Efstathios A. Kouninis arranged?

The proposed sale of 860 shares of PEGA common stock is arranged through Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, 8th Floor, New York, NY 10004.

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Available on EDGAR 08/07/2026 - 04:15 PM Accepted by SEC EDGAR 08/07/2026 - 04:14 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001353196
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	PEGASYSTEMS INC.
SEC File Number	001-11859
Address of Issuer	225 WYMAN STREET STE 300 WALTHAM MASSACHUSETTS 02451-1293
Phone	6173749600
Name of Person for Whose Account the Securities are To Be Sold	EFSTATHIOS A KOUNINIS
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	860	27778.00	164405000	08/07/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	03/07/2026	Restricted Stock Vesting Under a Registered Plan	Issuer			251	03/07/2026	Not Applicable
Common	03/05/2026	Restricted Stock Vesting Under a Registered Plan	Issuer			332	03/05/2026	Not Applicable
Common	06/01/2026	Restricted Stock Vesting Under a Registered Plan	Issuer			122	06/01/2026	Not Applicable
Common	03/04/2026	Restricted Stock Vesting Under a Registered Plan	Issuer			155	03/04/2026	Not Applicable

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
EFSTATHIOS A KOUNINIS 225 Wyman Street Waltham MA 02451	Common	06/16/2026	750	24235.35
EFSTATHIOS A KOUNINIS 225 Wyman Street Waltham MA 02451	Common	06/01/2026	750	27742.50
EFSTATHIOS A KOUNINIS 225 Wyman Street Waltham MA 02451	Common	05/29/2026	750	26062.50

144: Remarks and Signature

Remarks
Date of Notice	08/07/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Efstathios Kouninis
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)