Form4insider filings, from the source

Company · CIK 0001603454 · SIC 8071 — Services-Medical Laboratories · Nasdaq

Celcuity Inc. · CELC

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $317.8M · 1net −$317.8M
$100k$100k$10M$10M$1B$1BbuyssalesJun 27Jul 12Jul 27Aug 12Aug 27Sep 11Sep 27

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 14, 2026 AForm 4 →Aug 18, 4:19 pm EDTLance G. LaingChief Science Officer, Director20,000——1,271,000—
Aug 14, 2026 AForm 4 →Aug 18, 4:18 pm EDTBrian F. SullivanChief Executive Officer, Director80,000——1,450,199—
Aug 14, 2026 AForm 4 →Aug 18, 4:17 pm EDTVicky HahneChief Financial Officer16,000——37,808—
Jul 14, 2026 SForm 4 →Jul 16, 5:42 pm EDTBAKER BROS. ADVISORS LP +3Other3,100,000$102.50$317,750,0004,372,852−41.5%

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 14, 2026 AForm 4 →Aug 18, 4:19 pm EDTLance G. LaingChief Science Officer, Director10,000——10,000—
Aug 14, 2026 AForm 4 →Aug 18, 4:18 pm EDTBrian F. SullivanChief Executive Officer, Director120,000——120,000—
Aug 14, 2026 AForm 4 →Aug 18, 4:17 pm EDTVicky HahneChief Financial Officer10,000——10,000—