X0508 4 2023-12-14 0001603454 Celcuity Inc. CELC 0001296457 Dalvey David 16305 36TH AVENUE NORTH SUITE 100 MINNEAPOLIS MN 55446 1 0 0 0 0 Common Stock 2023-12-14 4 S 0 5000 14.7503 D 227940 I By Brightstone Venture Capital Fund, LP Common Stock 2023-12-15 4 S 0 2940 14.5739 D 225000 I By Brightstone Venture Capital Fund, LP Common Stock 9325 D Stock Option (right to buy) 5.50 2027-10-19 Common Stock 8200 8200 D Stock Option (right to buy) 5.50 2028-05-14 Common Stock 3201 3201 D Stock Option (right to buy) 5.50 2029-05-16 Common Stock 5054 5054 D Stock Option (right to buy) 5.1000 2030-05-14 Common Stock 12654 12654 D Stock Option (right to buy) 5.50 2031-05-12 Common Stock 2310 2310 D Stock Option (right to buy) 5.50 2032-05-17 Common Stock 24449 24449 D Stock Option (right to buy) 9.58 2033-05-15 Common Stock 11645 11645 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.75 to $15.00, inclusive. The reporting person undertakes to provide Celcuity Inc., any security holder of Celcuity Inc., or the staff of the Securities and Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The Reporting Person is the General Partner of Brightstone Venture Capital Fund, LP. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.50 to $14.75, inclusive. The reporting person undertakes to provide Celcuity Inc., any security holder of Celcuity Inc., or the staff of the Securities and Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. 100% vested. This Option will vest and become exercisable on April 30, 2024, or if earlier, the date of the Company's 2024 Annual Meeting of Stockholders. /s/ Eric O. Madson as Attorney-in-Fact for David F. Dalvey pursuant to Power of Attorney previously filed. 2023-12-18