Kenneth Stillwell sells 44,000 PEGA shares (NASDAQ: PEGA) under 10b5-1

Rhea-AI Filing Summary

Kenneth Stillwell reported proposed sales of Common Stock via Rule 144/10b5-1 notices. The filing lists multiple transactions including 44,000 shares sold on 03/10/2026 for $1,971,640.00, and earlier 1,000; 1,000; and 4,000 share sales on 03/02/2026, 02/02/2026, and 01/02/2026 with associated proceeds shown.

Insights

Securities Compliance Specialist

Affiliated holder disclosed multiple Rule 144/10b5-1 stock sales across early 2026.

The filing lists several executed dispositions by Kenneth Stillwell, with a large sale of $1,971,640.00 for 44,000 shares on 03/10/2026 and smaller 10b5-1 sales across January–March 2026. The entry also records proceeds for each sale.

These are routine affiliate disclosures; cash‑flow recipients and any transfer restrictions are the standard compliance context. Future filings may show additional 10b5-1 activity or completion of planned dispositions.

Key Figures

Largest sale shares: 44,000 shares Proceeds from largest sale: $1,971,640.00 Other sales listed: 1,000; 1,000; 4,000 shares +1 more

4 metrics

Largest sale shares 44,000 shares sale dated 03/10/2026

Proceeds from largest sale $1,971,640.00 proceeds shown for 44,000‑share sale on 03/10/2026

Other sales listed 1,000; 1,000; 4,000 shares sales on 03/02/2026, 02/02/2026, 01/02/2026 respectively

Restricted Stock Units referenced 1,000 units Restricted Stock Units dated 09/01/2025

Key Terms

10b5-1 Sales, Restricted Stock Units, Rule 144

3 terms

10b5-1 Sales regulatory

"10b5-1 Sales for KENNETH STILLWELL ..."

Restricted Stock Units financial

"Restricted Stock Units | Issuer | 1000 | 09/01/2025"

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.

Rule 144 regulatory

"Form 144 style filing identifying securities to be sold and recent sales"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	1000	42560.00	169043716	04/01/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	09/01/2025	Restricted Stock Units	Issuer			1000	09/01/2025	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
KENNETH STILLWELL 225 Wyman Street Waltham MA 02451	Common	03/10/2026	44000	1971640.00
10b5-1 Sales for KENNETH STILLWELL 225 Wyman Street Waltham MA 02451	Common	03/02/2026	1000	43370.00
10b5-1 Sales for KENNETH STILLWELL 225 Wyman Street Waltham MA 02451	Common	02/02/2026	1000	43690.00
10b5-1 Sales for KENNETH STILLWELL 225 Wyman Street Waltham MA 02451	Common	01/02/2026	4000	239960.00

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What did the PEGA Form 144 report for Kenneth Stillwell?

The filing reports proposed or executed sales of Common Stock by Kenneth Stillwell. It lists a 44,000‑share sale on 03/10/2026 for $1,971,640.00 and earlier 1,000; 1,000; and 4,000 share sales in Jan–Mar 2026.

Were the sales made under a trading plan in the PEGA filing?

Yes. Several entries are labeled 10b5-1 Sales, indicating sales executed under prearranged trading plans. The filing shows those labels for the January, February, and March 2026 transactions.

How many shares and proceeds are shown for the largest sale?

The largest line item shows 44,000 shares sold on 03/10/2026 with proceeds of $1,971,640.00. That figure is presented directly in the filing's transaction list.

Does the Form 144 show Restricted Stock Units being sold?

The filing lists Restricted Stock Units dated 09/01/2025 and indicates an issuer designation. The entries also show separate cash sale transactions by the reporting person in 2026.

Who receives the cash proceeds from the reported sales?

The filing lists proceeds for each sale line (e.g., $1,971,640.00 for 44,000 shares). The document does not specify alternative recipients; proceeds are shown as the sale amounts associated with the reporting person.