PEGA Form 144: Stillwell sells reported shares

PEGA reported Form 144 notices showing planned or completed sales of common stock by Kenneth Stillwell Jr. and Kenneth Stillwell under 10b5-1 and other dispositions.

Rhea-AI Filing Summary

PEGA reported Form 144 notices showing planned or completed sales of common stock by Kenneth Stillwell Jr. and Kenneth Stillwell under 10b5-1 and other dispositions. The excerpt lists a $43,690.00 sale for 02/02/2026 (1,000 shares), $239,960.00 for 01/02/2026 (4,000 shares), and $833,601.50 for 12/05/2025 (14,405 shares).

Insights

Corporate Governance Analyst

Insiders reported multiple sales via 10b5-1 and other dispositions.

The filings list executed or planned sales by Kenneth Stillwell Jr. and Kenneth Stillwell, including a $833,601.50 disposition on 12/05/2025 for 14,405 shares. These entries are reported sales notices under Section 144.

Timing and cash‑flow recipients are shown by the sale entries; the filings do not state any company proceeds. Subsequent filings may clarify additional transactions or plan details.

FAQ

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

What did the PEGA Form 144 disclose about Kenneth Stillwell Jr.?

The Form 144 shows a 10b5-1 sale of 1,000 common shares on 02/02/2026 reported at $43,690.00. The excerpt lists this sale as part of previously executed or planned dispositions under the reported plan.

How many shares and value did Kenneth Stillwell report sold on 12/05/2025?

The filing lists a disposition of 14,405 common shares on 12/05/2025 with an aggregate amount of $833,601.50. This entry appears among other reported sales in the excerpt.

Does the Form 144 show any restricted stock units being sold for PEGA?

Yes; the excerpt includes an entry labeled Restricted Stock Units with a quantity of 1,000 and date 09/01/2025. The line lists the security type and the issuer reference in the excerpt.

Were any sales executed under a 10b5-1 plan in the PEGA excerpt?

The excerpt explicitly lists 10b5-1 Sales for KENNETH STILLWELL JR. with a 02/02/2026 sale of 1,000 shares and other dated sales, indicating use of prearranged plan dispositions in the reported entries.

Does the excerpt indicate who received proceeds from these PEGA sales?

The excerpt provides aggregate sale amounts for each transaction (for example, $239,960.00 on 01/02/2026 for 4,000 shares) but does not state a party receiving company proceeds; these are individual insider dispositions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/02/2026 - 04:34 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	0001680115
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 Waltham MASSACHUSETTS 02451
Phone	6173749600
Name of Person for Whose Account the Securities are To Be Sold	KENNETH STILLWELL
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	1000	43730.00	169043716	03/02/2026	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	09/01/2025	Restricted Stock Units	Issuer			1000	09/01/2025	N/A

* 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
10b5-1 Sales for KENNETH STILLWELL JR. 225 Wyman Street Waltham MA 02451	Common	02/02/2026	1000	43690.00
10b5-1 Sales for KENNETH STILLWELL JR. 225 Wyman Street Waltham MA 02451	Common	01/02/2026	4000	239960.00
KENNETH STILLWELL 225 Wyman Street waltham MA 02451	Common	12/05/2025	14405	833601.50

144: Remarks and Signature

Remarks	The securities to be sold were acquired upon the vesting of restricted stock units during the period of 09/01/2025 through 12/07/2026
Date of Notice	03/02/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	08/12/2025
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/ Kenneth Stillwell
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)