Appian Corp: 10% owner Matthew W Calkins sold 45,000 shares

What happened

• Matthew W Calkins, identified as a 10% owner, reported two sales on Oct 07, 2026: 32,600 shares at a weighted average price of $37.32 for $1,216,632, and 12,400 shares at a weighted average price of $37.97 for $470,828. Total proceeds reported: $1,687,460.

Key details

• Transaction dates and prices: Oct 07, 2026 — 32,600 shares at $37.32 (weighted average; see footnote F2), and 12,400 shares at $37.97 (weighted average; see footnote F3).
• Filing date: Oct 08, 2026; the report lists the transactions as occurring on Oct 07, 2026.
• Shares owned after the transaction: not reported in the filing.
• Footnotes from the filing:
  • F1: Sales occurred automatically under a Rule 10b5-1 trading plan adopted Mar 05, 2026.
  • F2: The $37.32 price is a weighted average for multiple sales at prices ranging from $36.72 to $37.71; reporting person will provide breakdown on request.
  • F3: The $37.97 price is a weighted average for multiple sales at prices ranging from $37.73 to $38.19; reporting person will provide breakdown on request.

Why it may matter

• The reporting person is a 10% owner, which the filing indicates is a large holder rather than an executive.
• These were open-market sales executed under a 10b5-1 plan, per the filing; not a grant, exercise, or gift reported here.
• A filing does not show why the insider traded or why the company acted.