Mark Jeffrey DeLong - 20 Jan 2026 Form 4 Insider Report for Apellis Pharmaceuticals, Inc. (APLS)

Signature
/s/ David Watson, attorney-in-fact for Mark DeLong
Issuer symbol
APLS
Transactions as of
20 Jan 2026
Net transactions value
-$26,404
Form type
4
Filing time
21 Jan 2026, 16:17:24 UTC
Previous filing
15 Jan 2026
Next filing
23 Jan 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
DeLong Mark Jeffrey Chief Business & Strat Officer C/O APELLIS PHARMACEUTICALS, INC., 100 FIFTH AVENUE, 3RD FLOOR, WALTHAM /s/ David Watson, attorney-in-fact for Mark DeLong 21 Jan 2026 0001856078

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction APLS Common Stock Sale $26,404 -1,334 -1.6% $19.79 81,724 20 Jan 2026 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This represents shares sold to cover tax withholding on the Restricted Stock Units released on January 16, 2026.