Matthew W. Calkins, CEO and President of Appian Corporation, filed a Form 144 notice on November 6, 2026, disclosing a proposed sale of 30,000 shares of Class A Common Stock through J.P. Morgan Securities LLC on NASDAQ:APPN.

Key Highlights

  • Proposed sale: 30,000 shares of Class A Common Stock with an aggregate market value of $1,620,900, according to the filing.
  • Seller: Matthew W. Calkins, identified in the filing as CEO and President and a 10% owner of Appian Corporation.
  • Shares acquired: The 30,000 shares were acquired on January 4, 2022, via a stock option exercise from the issuer, with payment made in cash on the same date.
  • Approximate sale date: November 6, 2026, through broker J.P. Morgan Securities LLC, 270 Park Avenue, 10th Floor, New York, NY 10017.
  • 10b5-1 plan: The filing indicates a trading plan or instruction date of March 5, 2026.
  • Recent sales: Calkins sold 45,000 shares on each of August 7, 2026, September 8, 2026, and October 7, 2026, with gross proceeds of $1,550,493, $1,583,667, and $1,687,385, respectively, per the filing.
  • Shares outstanding: The filing reports 40,296,009 shares of Class A Common Stock outstanding.

Calkins Form 144 Filing: Proposed Sale Details and Recent Transaction History

According to the Form 144 notice filed with the U.S. Securities and Exchange Commission, Matthew W. Calkins, CEO, President, and 10% owner of Appian Corporation, proposed to sell 30,000 shares of Appian Class A Common Stock. The aggregate market value of the proposed sale was listed as $1,620,900. The filing identifies J.P. Morgan Securities LLC as the broker for the transaction, to be conducted on NASDAQ.

The filing discloses that the 30,000 shares subject to the proposed sale were originally acquired on January 4, 2022, through a stock option exercise from the issuer, with full cash payment made on that same date. The notice was filed on November 6, 2026, and indicates that Calkins is relying on a Rule 10b5-1 trading plan or instruction dated March 5, 2026. J.P. Morgan Securities LLC signed the notice as agent and attorney-in-fact for Calkins.

As required by Form 144, the filing also discloses securities sold by Calkins during the prior three months. Those sales included 45,000 shares on August 7, 2026, with gross proceeds of $1,550,493; 45,000 shares on September 8, 2026, with gross proceeds of $1,583,667; and 45,000 shares on October 7, 2026, with gross proceeds of $1,687,385. All three transactions involved Class A Common Stock of Appian Corporation. The filing states that 40,296,009 shares of Class A Common Stock were outstanding at the time of the notice.

What Was Disclosed

Appian Corporation's CEO and President Matthew W. Calkins filed a Form 144 notice on November 6, 2026, proposing to sell 30,000 shares of Class A Common Stock valued at $1,620,900, acquired via a 2022 stock option exercise, through a Rule 10b5-1 plan adopted March 5, 2026.