DeLong Mark Jeffrey 4
4 · Apellis Pharmaceuticals, Inc. · Filed Feb 13, 2026
Research Summary
AI-generated summary of this filing
Apellis (APLS) Chief Business & Strategy Officer Mark DeLong Sells 368 Shares
What Happened
Mark DeLong, Apellis Pharmaceuticals' Chief Business & Strategy Officer, sold 368 shares on February 11, 2026 at $22.15 per share, for a total of $8,153. The Form 4 reports this as a sale (code S) and the filing notes the shares were sold to cover tax withholding related to restricted stock units released on February 10, 2026. This is a routine sale to satisfy tax obligations rather than a standalone market-timing purchase.
Key Details
- Transaction date: 2026-02-11; Price: $22.15 per share; Shares sold: 368; Proceeds: $8,153.
- Filing date / accession: Form 4 filed 2026-02-13 (appears timely for a Form 4).
- Footnote: Sale was to cover tax withholding on RSUs released Feb 10, 2026 (Footnote F1).
- Shares owned after transaction: Not specified in the provided summary of the filing.
- Transaction code: S (sale); footnote code F indicates tax withholding disposition.
Context
This was a tax-withholding sale following the release of RSUs — a common, routine insider transaction that doesn't necessarily indicate a change in the insider's view of the company. The trade size (~$8k) is small relative to typical executive holdings and should be interpreted accordingly.
Insider Transaction Report
- Sale
Common Stock
[F1]2026-02-11$22.15/sh−368$8,153→ 114,591 total
Footnotes (1)
- [F1]This represents shares sold to cover tax withholding on the Restricted Stock Units released on February 10, 2026.