Kenneth Stillwell Jr., an officer of Pegasystems Inc., filed a Form 144 notice of proposed sale on November 4, 2026, covering 16,256 shares of Pegasystems common stock with an aggregate market value of $577,684.60.

Key Highlights

  • Proposed sale: Kenneth Stillwell Jr. intends to sell 16,256 shares of Pegasystems Inc. common stock, according to the filing.
  • Aggregate market value: The shares carry an aggregate market value of $577,684.60, as stated in the filing.
  • Shares outstanding: The filing reports 163,663,545 shares of common stock outstanding.
  • Approximate sale date: The proposed sale is dated November 4, 2026, with Morgan Stanley Smith Barney LLC Executive Financial Services named as the broker.
  • Acquisition sources: The shares were acquired through restricted stock vestings under a registered plan on December 7, 2025, March 1, 2026, March 2, 2026, and March 4, 2026, plus an option exercise under a registered plan on November 4, 2026, all from the issuer.
  • Prior sales: The filing discloses a sale of 39,627 shares on September 11, 2026, with gross proceeds of $1,417,437.98, within the preceding three months.
  • Exchange: The securities are listed on NASDAQ, as identified in the filing for Pegasystems Inc. (NASDAQ:PEGA is not written in the filing; the filing states the exchange as NASDAQ).

Stillwell's Proposed Sale: Acquisition History and Broker Details

According to the Form 144 filed with the U.S. Securities and Exchange Commission on November 4, 2026, Kenneth Stillwell Jr., identified as an officer of Pegasystems Inc. (issuer SEC file number 001-11859), proposes to sell 16,256 shares of the company's common stock. The filing lists Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, 8th Floor, New York, NY 10004, as the named broker for the transaction.

The filing details five separate acquisition events underlying the shares proposed for sale. Four involved restricted stock vesting under a registered plan: 918 shares vested on December 7, 2025; 1,777 shares on March 1, 2026; 871 shares on March 2, 2026; and 4,434 shares on March 4, 2026, all acquired from the issuer with no payment required. The fifth acquisition consisted of 8,256 shares obtained through the exercise of options under a registered plan on November 4, 2026, paid for in cash.

The filing also discloses that within the three months prior to the notice date, Stillwell sold 39,627 shares of Pegasystems common stock on September 11, 2026, generating gross proceeds of $1,417,437.98. The notice, signed as "/s/ Kenneth Stillwell," is dated November 4, 2026. By signing, the filer represented, as stated in the form, 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."

What Was Disclosed

Pegasystems officer Kenneth Stillwell Jr. filed a Form 144 on November 4, 2026, disclosing a proposed sale of 16,256 common shares valued at $577,684.60, acquired through restricted stock vestings and an option exercise, with 163,663,545 total shares outstanding reported.