Mark DeLong - Insider Trading & Ownership

Location
100 5 Th Avenue, 3 Rd Floor, Waltham, MA
Summary
The estimated net worth of Mark DeLong is at least $4M dollars as of June 11, 2025. Mark DeLong is the Chief Business & Strat Officer of Apellis Pharmaceuticals, Inc. and owns shares of Apellis Pharmaceuticals, Inc. (APLS) stock worth about $4M.
Signature
/s/ David Watson, attorney-in-fact for Mark DeLong
All Insider Reports
All Insider Reports

Ownership of Mark DeLong

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
APLS Apellis Pharmaceuticals, Inc. Chief Business & Strat Officer $4M -$147K -3.54% Jun 9, 2025

Insider Transactions Reported by Mark DeLong:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.