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Appian Corp. planned insider sales

In the last twelve months insiders at Appian Corp. filed 6 Form 144 notices of planned sales, 244,530 shares worth $7.5 million at the time of filing, from 3 sellers. The latest, filed 7 October 2026: Matthew W. Calkins (CEO and president, 10% owner), 45,000 shares worth $1.7 million, planned for around 7 October 2026 through J.P. Morgan Securities LLC.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
7 October 2026Matthew W. CalkinsCEO and President, 10% Owner45,000$1.7 million7 October 202645,000 shares from 7 October 2026J.P. Morgan Securities LLCStock Option ExerciseForm 144
8 September 2026Matthew W. CalkinsCEO and President, 10% Owner45,000$1.7 million8 September 202645,000 shares from 8 September 2026J.P. Morgan Securities LLCStock Option ExerciseForm 144
7 August 2026Matthew W. CalkinsCEO and President, 10% Owner45,000$1.4 million7 August 202645,000 shares from 7 August 2026J.P. Morgan Securities LLCStock Option ExerciseForm 144
7 July 2026Matthew CalkinsCEO and President, 10% Owner50,000$1.2 million7 July 202650,000 shares from 7 July 2026J.P. Morgan Securities LLCStock Option ExerciseForm 144
8 June 2026Matthew CalkinsCEO and President, 10% Owner50,000$1.2 million8 June 202650,000 shares from 8 June 2026J.P. Morgan Securities LLCStock Option ExerciseForm 144
3 March 2026Mark LynchDirector9,530$256,7513 March 20269,530 shares from 3 March 2026Merrill LynchStock plan activityForm 144
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
Read moreValue is the filer's own aggregate market value. Sold, per Form 4: the same seller's open-market sales on Form 4 from the notice's date to 90 days after, added up, as they appear on the insiders page; a holder who files no Form 4, such as some large holders, never shows one. What is a Form 144?