Form 4 Filing for APPIAN CORP

Matthew W. Calkins, CEO, President, and 10% owner of APPIAN CORP (APPN), reported the sale of 37,515 shares of Class A Common Stock on July 7, 2026, at a weighted average price of $24.61 per share. These sales were conducted under a Rule 10b5-1 trading plan. Following this transaction, Mr. Calkins directly owns 1,731,629 shares. Additionally, on the same date, he reported the sale of 12,485 shares of Class A Common Stock at a weighted average price of $25.07 per share, also under a Rule 10b5-1 trading plan. Post this transaction, his direct ownership stands at 1,719,144 shares. The prices for these sales ranged from $23.87 to $24.86 for the first transaction, and $24.87 to $25.24 for the second transaction.