Sean Nathaniel, CEO and President of Upland Software, Inc., filed a Form 4 on September 21, 2026, disclosing a transaction dated September 16, 2026, in which shares of common stock were withheld by the issuer to satisfy tax obligations tied to vesting restricted stock units.

Key Highlights

  • Reporting person: Sean Nathaniel, CEO and President of Upland Software, Inc. (NASDAQ:UPLD)
  • Transaction date: September 16, 2026
  • Transaction code: F (shares withheld by the issuer for tax withholding upon RSU vesting)
  • Shares disposed: 1,640 shares of common stock at a price of $3.945 per share
  • Beneficial ownership following transaction: 48,574 shares of common stock, held directly
  • Nature of transaction: According to the filing, this is "not an open market sale of securities"

Upland Software CEO's RSU Tax Withholding Transaction: Filing Details

According to the Form 4 filed with the U.S. Securities and Exchange Commission on September 21, 2026, Sean Nathaniel, serving as CEO and President of Upland Software, Inc. (NASDAQ:UPLD), reported a disposition of 1,640 shares of common stock on September 16, 2026. The transaction was coded "F," which the filing explains reflects shares withheld by the issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

The filing states the price associated with the withheld shares was $3.945 per share. The filing explicitly notes that this transaction is "not an open market sale of securities." Following the reported transaction, Nathaniel's direct beneficial ownership in Upland Software common stock stands at 48,574 shares, according to the disclosure.

No derivative securities transactions were reported in Table II of the filing. The Form 4 was filed by one reporting person and covers a single transaction date. The filing was signed by Sean Nathaniel and dated September 21, 2026.

What Was Disclosed

The filing disclosed that 1,640 shares of Upland Software common stock were withheld from CEO Sean Nathaniel at $3.945 per share on September 16, 2026, to cover tax obligations upon RSU vesting, leaving him with direct beneficial ownership of 48,574 shares.