A Form 4 filed with the SEC on August 11, 2026, discloses that Matthew W. Calkins, CEO, President, and Director of Appian Corp (NASDAQ:APPN), sold a total of 45,000 shares of Class A Common Stock on August 7, 2026, pursuant to a pre-established Rule 10b5-1 trading plan.

Key Highlights

  • Total shares sold: 45,000 shares of Class A Common Stock disposed of on August 7, 2026, across four separate price tranches.
  • Price ranges: Sales occurred at weighted average prices of $31.66, $33.09, $34.34, and $34.79 per share, with individual transaction prices ranging from $31.25 to $35.39.
  • Remaining ownership: Following the transactions, Calkins directly beneficially owned 1,674,144 shares of Class A Common Stock.
  • 10b5-1 plan: All sales were executed automatically pursuant to a Rule 10b5-1 trading plan adopted by Calkins on March 5, 2026.
  • Reporting person role: Calkins is identified in the filing as CEO and President, a Director, and a 10% Owner of Appian Corp.

Appian CEO Matthew Calkins Executes Planned Share Sales on August 7, 2026

According to the Form 4 filed on August 11, 2026, Matthew W. Calkins sold Class A Common Stock of Appian Corp (NASDAQ:APPN) in four separate tranches on August 7, 2026. The filing states that 2,580 shares were sold at a weighted average price of $31.66 (individual prices ranging from $31.25 to $31.96), 1,609 shares at a weighted average price of $33.09 (individual prices ranging from $32.48 to $33.40), 9,264 shares at a weighted average price of $34.34 (individual prices ranging from $33.50 to $34.49), and 31,547 shares at a weighted average price of $34.79 (individual prices ranging from $34.50 to $35.39).

The filing notes that all four sales "occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026." The Form 4 further states that the weighted average prices represent sales executed across multiple transactions, and that Calkins "undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range."

Following the completion of all reported transactions, the filing discloses that Calkins directly beneficially owned 1,674,144 shares of Class A Common Stock. The Form 4 was signed by Angela Patterson as Attorney-in-Fact on August 11, 2026.

What Was Disclosed

The filing disclosed four dispositions of Class A Common Stock totaling 45,000 shares by Appian Corp's CEO and President on August 7, 2026, all executed under a Rule 10b5-1 plan adopted March 5, 2026, leaving Calkins with direct beneficial ownership of 1,674,144 shares.