[Form 4] PEGASYSTEMS INC Insider Trading Activity

Rhea-AI Filing Summary

Pegasystems (PEGA) insider activity: CEO, Chairman and 10% owner Alan N. Trefler reported open‑market sales executed under a Rule 10b5‑1 trading plan adopted on November 6, 2024. Transactions occurred on November 5–6, 2025.

He sold 40,969 shares at a weighted average price of $59.95, 4,031 shares at $60.87, 26,925 shares at $58.42, and 18,075 shares at $59.05. Following these sales, direct beneficial ownership reported was 44,844,364 shares.

In addition, indirect holdings were reported through trusts: 10,876,525 shares (Alan N. Trefler Irrevocable Non‑GST Trust of 2022), 10,879,283 shares (Grantor Retained Annuity Trust I of 2024), 2,071,585 shares (The Trefler 2025 Trust), and 8,703,426 shares (Grantor Retained Annuity Trust II of 2024). Footnotes indicate the prices reflect weighted averages across disclosed ranges, with full breakdowns available upon request.

Insider Trade Summary

Net Seller: 90,000 shares ($5,341,746)

Net Sell 8 txns

Insider TREFLER ALAN

Role C.E.O. & Chairman

Sold 90,000 shs ($5.34M)

Type	Security	Shares	Price	Value
Sale	Common stock	26,925	$58.42	$1.57M
Sale	Common stock	18,075	$59.05	$1.07M
Sale	Common stock	40,969	$59.95	$2.46M
Sale	Common stock	4,031	$60.87	$245K
holding	Common stock	--	--	--
holding	Common stock	--	--	--
holding	Common stock	--	--	--
holding	Common stock	--	--	--

Holdings After Transaction: Common stock — 44,862,439 shares (Direct); Common stock — 10,876,525 shares (Indirect, Alan N. Trefler Irrevocable Non-GST Trust of 2022)

Footnotes (1)

1. Sold pursuant to a pre-arranged trading plan adopted by Mr. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended. Represents the weighted average of sale prices, ranging from $59.53 to $60.52. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price. Represents the weighted average of sale prices, ranging from $60.53 to $61.52. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price. Represents the weighted average of sale prices, ranging from $57.91 to $58.90. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price. Represents the weighted average of sale prices, ranging from $58.91 to $59.90. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

Form 4 Insider Transactions: What Each Field Means →

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^*

TREFLER ALAN

(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)

X	Director	X	10% Owner
X	Officer (give title below)		Other (specify below)
	C.E.O. & Chairman

3. Date of Earliest Transaction (Month/Day/Year)
11/05/2025

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								10,876,525	I	Alan N. Trefler Irrevocable Non-GST Trust of 2022
Common stock								10,879,283	I	Alan N. Trefler Grantor Retained Annuity Trust I of 2024
Common stock								2,071,585	I	The Trefler 2025 Trust
Common stock								8,703,426	I	Alan N. Trefler Grantor Retained Annuity Trust II of 2024
Common stock	11/05/2025		S		40,969(1)	D	$59.95(2)	44,893,395	D
Common stock	11/05/2025		S		4,031(1)	D	$60.87(3)	44,889,364	D
Common stock	11/06/2025		S		26,925(1)	D	$58.42(4)	44,862,439	D
Common stock	11/06/2025		S		18,075(1)	D	$59.05(5)	44,844,364	D

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. Trefler on November 6, 2024 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

2. Represents the weighted average of sale prices, ranging from $59.53 to $60.52. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

3. Represents the weighted average of sale prices, ranging from $60.53 to $61.52. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

4. Represents the weighted average of sale prices, ranging from $57.91 to $58.90. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

5. Represents the weighted average of sale prices, ranging from $58.91 to $59.90. The individual has provided the Company, and undertakes to provide to the staff of the Security and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.

Remarks:

	/s/ Ewelina Kemp, Attorney-in-Fact for Alan Trefler	11/07/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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