[Form 4] PEGASYSTEMS INC Insider Trading Activity

Rhea-AI Filing Summary

Pegasystems Inc. COO and CFO Kenneth Stillwell reported selling 1,000 shares of Pegasystems common stock on February 2, 2026 at a price of $43.69 per share. The sale was made under a pre-arranged Rule 10b5-1 trading plan adopted on August 29, 2024.

After this transaction, Stillwell directly beneficially owns 121,880 shares of Pegasystems common stock and indirectly reports 1,908 shares held for his children.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

STILLWELL KENNETH

(Last) (First) (Middle)

C/O PEGASYSTEMS INC.

225 WYMAN STREET, STE 300

(Street)

WALTHAM MA 02451

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
PEGASYSTEMS INC [ PEGA ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	COO, CFO

3. Date of Earliest Transaction (Month/Day/Year)
02/02/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common stock	02/02/2026		S		1,000(1)	D	$43.69	121,880	D
Common stock								1,908	I	Reporting Person's children

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Sold pursuant to a pre-arranged trading plan adopted by Mr. Stillwell August 29, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

Remarks:

	/s/ Ewelina Kemp, Attorney-in-Fact for Kenneth Stillwell	02/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Pegasystems (PEGA) report for Kenneth Stillwell?

Pegasystems reported that COO and CFO Kenneth Stillwell sold 1,000 shares of common stock on February 2, 2026 at $43.69 per share. The transaction was disclosed on a Form 4 as a routine insider trading report.

How many Pegasystems (PEGA) shares does Kenneth Stillwell own after the sale?

After the reported sale, Kenneth Stillwell beneficially owns 121,880 shares of Pegasystems common stock directly. He also reports an additional 1,908 shares held indirectly for his children, according to the ownership table in the Form 4 filing.

Was the Pegasystems (PEGA) insider sale made under a Rule 10b5-1 plan?

Yes. The Form 4 states the 1,000 Pegasystems shares were sold under a pre-arranged trading plan adopted by Mr. Stillwell on August 29, 2024 pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934.

What role does Kenneth Stillwell hold at Pegasystems (PEGA)?

Kenneth Stillwell is identified in the filing as an officer of Pegasystems, serving as both COO and CFO. He is not listed as a director or 10% owner in this Form 4 insider transaction report.

How is indirect ownership reported for Pegasystems (PEGA) shares in this Form 4?

The Form 4 shows 1,908 Pegasystems common shares as indirectly owned, with the nature of ownership described as “Reporting Person's children.” These shares are reported separately from Mr. Stillwell’s 121,880 directly owned shares.