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Pegasystems (PEGA) COO/CFO exercises RSUs; shares withheld to cover taxes

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Pegasystems COO and CFO Kenneth Stillwell reported routine equity compensation activity involving restricted stock units and related tax withholding. On June 7, 2026, he exercised RSUs that delivered 5,222 shares of common stock. To cover tax obligations, 2,055 shares were disposed of at $34.71 per share through a tax-withholding mechanism rather than an open-market sale.

After these transactions, Stillwell directly held 117,752 shares of Pegasystems common stock. In addition, 1,908 shares were reported as indirectly owned through his children. The filing notes that each restricted stock unit converts into one share of common stock after vesting, with this award vesting 25% initially and the remainder in equal quarterly installments over three years.

Positive

  • None.

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Insider STILLWELL KENNETH
Role COO, CFO
Type Security Shares Price Value
Exercise Restricted Stock Units 5,222 $0.00 --
Exercise Common stock 5,222 $0.00 --
Tax Withholding Common stock 2,055 $34.71 $71K
holding Common stock -- -- --
Holdings After Transaction: Restricted Stock Units — 15,662 shares (Direct, null); Common stock — 119,807 shares (Direct, null); Common stock — 1,908 shares (Indirect, Reporting Person's children)
Footnotes (1)
  1. Each restricted stock unit represents the right to receive, following vesting, one share of the issuer's common stock. This restricted stock unit award vested 25% on the Date Exercisable in Table II, with the remaining 75% vesting in equal quarterly amounts over the remaining 3 years.
RSU shares exercised 5,222 shares Common stock received from RSU vesting on June 7, 2026
Shares withheld for tax 2,055 shares Tax-withholding disposition at $34.71 per share
Tax-withholding price $34.71 per share Price for 2,055 shares used to satisfy tax obligations
Direct holdings after transaction 117,752 shares Pegasystems common stock directly owned after June 7, 2026
Indirect holdings (children) 1,908 shares Common stock reported as indirectly owned through reporting person’s children
RSU underlying shares 5,222 shares Each RSU converts into one share of common stock upon vesting
Restricted stock units financial
"Each restricted stock unit represents the right to receive, following vesting, one share of the issuer's common stock."
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.
tax-withholding disposition financial
"Payment of exercise price or tax liability by delivering securities is classified as a tax-withholding disposition."
A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.
derivative exercise/conversion financial
"The transaction code M is described as an exercise or conversion of a derivative security."
indirect ownership financial
"Common stock reported as indirectly owned with the nature of ownership noted as Reporting Person's children."
Date Exercisable financial
"This restricted stock unit award vested 25% on the Date Exercisable in Table II."
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SEC Form 4
FORM 4UNITED 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)
Director10% Owner
XOfficer (give title below)Other (specify below)
COO, CFO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/07/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common stock06/07/2026M5,222A$0119,807D
Common stock06/07/2026F2,055D$34.71117,752D
Common stock1,908IReporting 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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units(1)$006/07/2026M5,22203/07/2024(2)03/07/2027Common stock5,222$015,662D
Explanation of Responses:
1. Each restricted stock unit represents the right to receive, following vesting, one share of the issuer's common stock.
2. This restricted stock unit award vested 25% on the Date Exercisable in Table II, with the remaining 75% vesting in equal quarterly amounts over the remaining 3 years.
Remarks:
/s/ Ewelina Kemp, Attorney-in-Fact for Kenneth Stillwell06/09/2026
** Signature of Reporting PersonDate
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)

FAQ

What did Pegasystems (PEGA) executive Kenneth Stillwell report in this Form 4?

Kenneth Stillwell reported routine equity compensation activity. He exercised restricted stock units into 5,222 common shares and had 2,055 shares withheld to satisfy tax obligations, resulting in updated direct and indirect share holdings.

How many Pegasystems (PEGA) shares did Kenneth Stillwell acquire and dispose of?

He acquired 5,222 Pegasystems common shares through RSU vesting and had 2,055 shares disposed of to cover taxes. This combination reflects a derivative exercise plus a tax-withholding disposition, not an open-market purchase or sale.

What are Kenneth Stillwell’s Pegasystems (PEGA) holdings after these transactions?

After the transactions, Kenneth Stillwell directly held 117,752 Pegasystems common shares. The Form 4 also reports 1,908 additional shares as indirectly owned through his children, giving investors a clearer view of his post-transaction equity position.

How were taxes handled on Kenneth Stillwell’s Pegasystems (PEGA) RSU vesting?

Taxes were satisfied via a share withholding mechanism. Specifically, 2,055 Pegasystems common shares were disposed of at $34.71 per share to cover tax liabilities, classified as a tax-withholding disposition rather than an open-market sale.

How do Kenneth Stillwell’s Pegasystems (PEGA) restricted stock units work?

Each restricted stock unit converts into one Pegasystems common share after vesting. The award described here vested 25% on its initial exercisable date, with the remaining 75% scheduled to vest in equal quarterly installments over the following three years.

Does this Pegasystems (PEGA) Form 4 show any open-market buying or selling by Kenneth Stillwell?

The Form 4 does not show open-market trades. It reports RSU exercise delivering 5,222 shares and a 2,055-share tax-withholding disposition at $34.71 per share, both related to equity compensation and tax obligations rather than discretionary market purchases or sales.