Brian F. Sullivan owns 6.54% of Celcuity
3,200,983 shares as of the August 14, 2026 filing, worth $181M at the latest close.
CELC · $2.8B market cap · Founder-ledGet an email when Brian F. Sullivan’s stake moves.
Free.
The stake
6.54%
worth $181M at the latest close
Stake rank
#308
by dollar value of the stake
Last sale
None
no sales since 2022
Last buy
1,410 days ago
Dec 9, 2022 · $1.5M
Brian F. Sullivan owns 6.54% of Celcuity Inc.: 3,200,983 of 48,931,908 shares, worth about $181M at the 2026-10-16 close. The stake has moved from 27.33% in 2017 to 6.54% on 2026-08-14, across 0 sales and 1 purchase that moved it since 2016. The last trade that moved it was a purchase of $1.5M on 2022-12-09.
How the stake is held
as of the Aug 14, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated Aug 14, 2026 · Form 4 ↗
HELD DIRECTLY
1,450,199
45.3%
HELD INDIRECTLY · 2 VEHICLES
1,750,784
54.7%
By Family Trust #1
948,042
29.6%
By Family Trust #2
802,742
25.1%
THE STAKE
3,200,983
6.54%