Pegasystems CFO exercises 2,350 RSUs

Q: What insider transaction did PEGA’s COO/CFO Kenneth Stillwell report on September 1, 2026?

Kenneth Stillwell exercised 2,350 restricted stock units into 2,350 shares of PEGA common stock on September 1, 2026, as part of his equity compensation vesting.

Q: How many PEGA shares were withheld for taxes or exercise price in this Form 4?

The filing states that 925 shares of PEGA common stock were delivered or withheld at $36.81 per share to pay the exercise price or tax liability related to the RSU exercise.

Q: How many restricted stock units does PEGA’s COO/CFO still hold after this transaction?

After the reported RSU conversion, Kenneth Stillwell holds 4,702 restricted stock units, each representing the right to receive one share of PEGA common stock upon vesting.

Q: What is the vesting schedule for the PEGA restricted stock units in this Form 4?

The footnote explains that 20% of the restricted stock units vested on March 1, 2023, and the remaining 80% vest in equal quarterly installments over the following four years.

Q: Are any of the reported PEGA shares held indirectly for Kenneth Stillwell’s family?

Yes. The Form 4 lists 1,908 shares of PEGA common stock held indirectly, described as held for the reporting person’s children.

Q: Were the PEGA insider transactions made under a Rule 10b5-1 trading plan?

No. The Rule 10b5-1 checkbox is shown as unchecked, and there is no footnote indicating that the transactions were made under a Rule 10b5-1 trading plan.

PEGASYSTEMS’ COO and CFO exercised RSUs into common stock, with part of the shares withheld to cover the exercise price or tax obligations.

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Form Type

Rhea-AI Filing Summary

PEGASYSTEMS INC (PEGA) reported that COO and CFO Kenneth Stillwell exercised 2,350 restricted stock units into an equal number of shares of common stock on September 1, 2026. Of these, 925 shares were delivered or withheld at $36.81 per share to pay the exercise price or tax liability, leaving a net acquisition of shares from this vesting event. Following the transaction, Stillwell holds 4,702 restricted stock units, and 1,908 common shares are held indirectly for the reporting person’s children. No Rule 10b5-1 trading plan is reported.

Insider Trade Summary

2,350 shares exercised/converted

Exercise 4 txns

Insider STILLWELL KENNETH

Role COO, CFO

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units ^{F1, F2}	2,350	$0.00	$0.00
Exercise	Common stock	2,350	$0.00	$0.00
Exercise Price or Tax Liability	Common stock	925	$36.81	$34K
holding	Common stock	--	--	--

Holdings After Transaction: Restricted Stock Units — 4,702 contracts (Direct); Common stock — 127,058 shares (Direct); Common stock — 1,908 shares (Indirect, Reporting Person's children)

Footnotes (2)

F1. Each restricted stock unit represents the right to receive, following vesting, one share of common stock.
F2. 20% of the restricted stock units vested on the Date Exercisable in Table II, and the remaining 80% vest in equal quarterly installments over the following four years.

Key Figures

RSUs exercised: 2,350 units Shares withheld for exercise price or tax liability: 925 shares Withholding price: $36.81 per share +4 more

7 metrics

RSUs exercised 2,350 units Restricted stock units converted into common stock on September 1, 2026

Shares withheld for exercise price or tax liability 925 shares Common stock delivered or withheld at $36.81 per share on September 1, 2026

Withholding price $36.81 per share Price used for shares delivered or withheld for exercise price or tax liability

RSUs remaining after transaction 4,702 units Restricted stock units held by the reporting person following the exercise

Indirectly held common shares 1,908 shares Common stock held indirectly for the reporting person’s children

Initial vesting portion 20% RSUs that vested on March 1, 2023 under the grant’s vesting schedule

Remaining vesting schedule 80% over four years RSUs vesting in equal quarterly installments over the four years after March 1, 2023

Key Terms

Restricted Stock Units, Payment of exercise price or tax liability by delivering or withholding securities, Rule 10b5-1

3 terms

Restricted Stock Units financial

"Each restricted stock unit represents the right to receive, following vesting"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Payment of exercise price or tax liability by delivering or withholding securities financial

"transaction code F described as Payment of exercise price or tax liability"

Rule 10b5-1 regulatory

"The Rule 10b5-1 checkbox is shown as unchecked for these transactions"

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.

FAQ

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

What insider transaction did PEGA’s COO/CFO Kenneth Stillwell report on September 1, 2026?

Kenneth Stillwell exercised 2,350 restricted stock units into 2,350 shares of PEGA common stock on September 1, 2026, as part of his equity compensation vesting.

How many PEGA shares were withheld for taxes or exercise price in this Form 4?

The filing states that 925 shares of PEGA common stock were delivered or withheld at $36.81 per share to pay the exercise price or tax liability related to the RSU exercise.

How many restricted stock units does PEGA’s COO/CFO still hold after this transaction?

After the reported RSU conversion, Kenneth Stillwell holds 4,702 restricted stock units, each representing the right to receive one share of PEGA common stock upon vesting.

What is the vesting schedule for the PEGA restricted stock units in this Form 4?

The footnote explains that 20% of the restricted stock units vested on March 1, 2023, and the remaining 80% vest in equal quarterly installments over the following four years.

Are any of the reported PEGA shares held indirectly for Kenneth Stillwell’s family?

Yes. The Form 4 lists 1,908 shares of PEGA common stock held indirectly, described as held for the reporting person’s children.

Were the PEGA insider transactions made under a Rule 10b5-1 trading plan?

No. The Rule 10b5-1 checkbox is shown as unchecked, and there is no footnote indicating that the transactions were made under a Rule 10b5-1 trading plan.

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

Form 4 Insider Transactions: What Each Field Means →

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Available on EDGAR 09/02/2026 - 04:12 PM EDT Accepted by SEC EDGAR 09/02/2026 - 04:12 PM EDT

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).

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

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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/01/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common stock	09/01/2026		M		2,350	A	$0	127,983	D
Common stock	09/01/2026		F		925	D	$36.81	127,058	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	$0	09/01/2026		M			2,350⁽¹⁾	03/01/2023⁽²⁾	03/01/2027	Common stock	2,350	$0	4,702	D

Explanation of Responses:

1. Each restricted stock unit represents the right to receive, following vesting, one share of common stock.

2. 20% of the restricted stock units vested on the Date Exercisable in Table II, and the remaining 80% vest in equal quarterly installments over the following four years.

Remarks:

	/s/ Ewelina Kemp, Attorney-in-Fact for Kenneth Stillwell	09/02/2026
	** 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)

Source: View Original Filing on SEC EDGAR