Pegasystems director sells 1,000 shares at $38

A PEGASYSTEMS INC director, through a family trust, reported a Rule 10b5-1 planned sale of 1,000 shares, leaving 39,280 shares held indirectly.

Rhea-AI Filing Summary

PEGASYSTEMS INC (PEGA) director Dianne Ledingham reported an indirect sale of common stock on September 15, 2026. An entity associated with her, the Dianne Ledingham Family Legacy Trust, sold 1,000 shares of PEGASYSTEMS INC common stock at $38.00 per share in an open-market or private transaction. Following this transaction, the trust held 39,280 shares of the company’s common stock indirectly. The sale was made pursuant to a pre‑arranged trading plan adopted by the trust on June 15, 2026 under Rule 10b5‑1 of the Securities Exchange Act of 1934.

Insider Trade Summary 10b5-1

Net Seller: 1,000 shares

Net Sell 1 txn

Insider LEDINGHAM DIANNE

Role Director

Sold 1,000 shs ($38K)

Type	Security	Shares	Price	Value
Sale	Common stock F1	1,000	$38.00	$38K

Holdings After Transaction: Common stock — 39,280 shares (Indirect, Dianne Ledingham Family Legacy Trust)

Footnotes (1)

1. F1. Sold pursuant to a pre-arranged trading plan adopted by the Dianne Ledingham Family Legacy Trust on June 15, 2026 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

Key Figures

Shares sold: 1,000 shares Sale price per share: $38.00 per share Shares held after transaction: 39,280 shares +2 more

5 metrics

Shares sold 1,000 shares Common stock sold on September 15, 2026 by family trust

Sale price per share $38.00 per share Price for the 1,000 shares of common stock sold

Shares held after transaction 39,280 shares Indirect holdings of PEGASYSTEMS INC common stock by the trust after sale

Transaction date September 15, 2026 Date of the reported common stock sale

Rule 10b5-1 plan adoption date June 15, 2026 Date the Dianne Ledingham Family Legacy Trust adopted the trading plan

Key Terms

Rule 10b5-1, pre-arranged trading plan, indirect ownership, Family Legacy Trust

4 terms

Rule 10b5-1 regulatory

"adopted by the Dianne Ledingham Family Legacy Trust on June 15, 2026 under Rule 10b5-1"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

pre-arranged trading plan regulatory

"Sold pursuant to a pre-arranged trading plan adopted by the Dianne Ledingham Family Legacy Trust"

A pre-arranged trading plan is a set of instructions created in advance that specifies how and when an investor will buy or sell securities. It helps ensure that trades are made in a planned, transparent way, reducing the risk of making impulsive decisions or trading based on inside information. This plan provides a clear structure, giving investors confidence that their trades follow their original intentions, even if market conditions change.

indirect ownership financial

"ownership type is reported as indirect through the Dianne Ledingham Family Legacy Trust"

Family Legacy Trust financial

"nature of ownership is the Dianne Ledingham Family Legacy Trust"

FAQ

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

What insider transaction did PEGA report in this Form 4?

PEGASYSTEMS INC reported that a family trust associated with director Dianne Ledingham sold 1,000 shares of common stock on September 15, 2026 at $38.00 per share, leaving the trust with 39,280 shares held indirectly.

Who is the insider involved in the PEGA Form 4 filing?

The insider is Dianne Ledingham, a director of PEGASYSTEMS INC. The reported transaction occurred through the Dianne Ledingham Family Legacy Trust, which holds the shares indirectly on her behalf.

How many PEGA shares does the reporting trust hold after the sale?

After the reported sale, the Dianne Ledingham Family Legacy Trust holds 39,280 shares of PEGASYSTEMS INC common stock indirectly, as disclosed in the Form 4 filing.

Was the PEGA insider sale made under a Rule 10b5-1 trading plan?

Yes. The filing states the sale was made pursuant to a pre‑arranged trading plan adopted by the Dianne Ledingham Family Legacy Trust on June 15, 2026 under Rule 10b5‑1 of the Securities Exchange Act of 1934.

Is the PEGA Form 4 transaction a direct or indirect holding for the director?

The Form 4 classifies the holding as indirect ownership. The shares are held by the Dianne Ledingham Family Legacy Trust, rather than directly in Dianne Ledingham’s own name.

What price per share was received in the PEGA insider sale?

The reported sale price was $38.00 per share for 1,000 shares of PEGASYSTEMS INC common stock, as disclosed in the Form 4.

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

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Available on EDGAR 09/17/2026 - 04:10 PM Accepted by SEC EDGAR 09/17/2026 - 04:09 PM Learn about SEC filing dates

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^*

LEDINGHAM DIANNE

(Last) (First) (Middle)

C/O PEGASYSTEMS INC

225 WYMAN STREET, STE 300

(Street)

WALTHAM MASSACHUSETTS 02451

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/15/2026

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

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

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

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	09/15/2026		S		1,000(1)	D	$38	39,280	I	Dianne Ledingham Family Legacy Trust

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 the Dianne Ledingham Family Legacy Trust on June 15, 2026 under Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

Remarks:

	/s/Kathryn Leach, Attorney-in-Fact for Dianne Ledingham	09/17/2026
	** 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.
* Form 4: SEC 1474 (03-26)