Appian (APPN) 10% Owner Matthew W. Calkins Sells 45,000 Shares

What Happened

• Matthew W. Calkins, a 10% owner of Appian Corp (APPN), disposed of 45,000 shares in open‑market transactions on September 8, 2026, generating aggregate proceeds of approximately $1,583,769. The sales broke down as: 23,888 shares at a weighted avg $34.73 ($829,630), 19,116 shares at a weighted avg $35.58 ($680,147), and 1,996 shares at a weighted avg $37.07 ($73,992). These were sales (not purchases), which are often routine disposals rather than a bullish signal.

Key Details

• Transaction date: September 8, 2026 (reported on Form 4 filed Sept 10, 2026). Filing appears timely (no late‑filing flag).
• Per‑trade details:
  • 23,888 shares — weighted avg $34.73; price range reported 34.14–35.13 (footnote).
  • 19,116 shares — weighted avg $35.58; price range reported 35.14–35.58 (footnote).
  • 1,996 shares — weighted avg $37.07; price range reported 36.39–37.40 (footnote).
• Total sold: 45,000 shares for ~$1.58M.
• Shares owned after transaction: not specified in the provided transaction details (see the full Form 4 for post‑transaction holdings).
• Notable footnotes: F1 states these sales occurred automatically under a Rule 10b5‑1 trading plan adopted March 5, 2026; F2–F4 explain that reported prices are weighted averages with ranges and that detailed per‑price sale breakdowns can be provided on request.

Context

• Sales executed under a Rule 10b5‑1 plan are pre‑arranged and can reflect planned portfolio management or diversification rather than a contemporaneous view of the company. As a 10% owner (a substantial holder), Calkins' transactions are material in size but do not necessarily indicate management sentiment. For full ownership and timing context, review the complete Form 4 filing.