X0609 4 2026-08-14 0001603454 Celcuity Inc. CELC 0000940454 Sullivan Brian F. false 2800 CAMPUS DRIVE SUITE 140 MINNEAPOLIS MN 55441 true true false false Chief Executive Officer 0 Common Stock 2026-08-14 4 A 0 80000 0 A 1450199 D Common Stock 948042 I By Family Trust #1 Common Stock 802742 I By Family Trust #2 Performance Stock Units 2026-08-14 4 A 0 120000 0 A Common Stock 120000 120000 D 25% of the total number of restricted stock units vests on the first day of the month following each of the first, second, third and fourth anniversaries of the grant date. The Reporting Person holds all voting and dispositive power with respect to the securities held by the trusts and is the beneficial owner of these securities. Each performance stock unit represents a contingent right to receive one share of Celcuity Inc. (the "Company") common stock. The performance stock units vest upon the Company's common stock achieving certain specified trailing average per share price thresholds. /s/ Griffin D. Foster as Attorney-in-Fact for Brian F. Sullivan 2026-08-18