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Who

Richard E. Buller

Director

Company insider

Files Form 4 as: Director, Celcuity.

In numbers

Trades disclosed
104
Buys
0
Sells
32
Bought
$0
Sold
$4.1M
Companies
1
Companies where not an officer
1
First trade
3 Dec 2019
Last trade
10 Jun 2026
Last filed
12 Jun 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
CELC CelcuityDirector · Biotechnology · last 10 Jun 20260 buys · 32 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
20Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
10 Jun 2026filed 12 Jun 2026CELC Celcuityoption or derivative · BiotechnologySEC FORM 4 Code G—12,503 at $0.00filing
10 Jun 2026filed 12 Jun 2026CELC Celcuityoption or derivative · BiotechnologySEC FORM 4 Code G—12,503 at $0.00filing
10 Jun 2026filed 12 Jun 2026CELC Celcuityoption or derivative · BiotechnologySEC FORM 4 Code G—12,503 at $0.00filing
10 Jun 2026filed 12 Jun 2026CELC Celcuityoption or derivative · BiotechnologySEC FORM 4 Code G—12,503 at $0.00filing
5 Jun 2026filed 9 Jun 2026CELC CelcuityBiotechnologySEC FORM 4 Code A—1,530 at $0.00filing
5 Jun 2026filed 9 Jun 2026CELC CelcuityBiotechnologySEC FORM 4 Code A—1,530 at $0.00filing
19 May 2026filed 20 May 2026CELC CelcuityBiotechnologySEC FORM 4 Code G—1,029 at $0.00filing
19 May 2026filed 20 May 2026CELC CelcuityBiotechnologySEC FORM 4 Code G—1,029 at $0.00filing
19 May 2026filed 20 May 2026CELC CelcuityBiotechnologySEC FORM 4 Code G—1,029 at $0.00filing
19 May 2026filed 20 May 2026CELC CelcuityBiotechnologySEC FORM 4 Code G—1,029 at $0.00filing
4 May 2026filed 6 May 2026CELC CelcuityBiotechnologySEC FORM 4 Code M$46K9,000 at $5.10filing
4 May 2026filed 6 May 2026CELC CelcuityBiotechnologySEC FORM 4 Sold$177K1,289 at $137.00filing
4 May 2026filed 6 May 2026CELC CelcuityBiotechnologySEC FORM 4 Sold$76K550 at $139.00filing
4 May 2026filed 6 May 2026CELC Celcuityoption or derivative · BiotechnologySEC FORM 4 Code M—9,000 at $0.00filing
4 May 2026filed 6 May 2026CELC CelcuityBiotechnologySEC FORM 4 Sold$233K1,670 at $139.58filing
4 May 2026filed 6 May 2026CELC CelcuityBiotechnologySEC FORM 4 Sold$325K2,301 at $141.03filing
4 May 2026filed 6 May 2026CELC CelcuityBiotechnologySEC FORM 4 Sold$401K2,825 at $142.04filing
4 May 2026filed 6 May 2026CELC CelcuityBiotechnologySEC FORM 4 Sold$52K365 at $143.24filing
4 May 2026filed 6 May 2026CELC Celcuityoption or derivative · BiotechnologySEC FORM 4 Code M—9,000 at $0.00filing
4 May 2026filed 6 May 2026CELC CelcuityBiotechnologySEC FORM 4 Code M$46K9,000 at $5.10filing

News

Celcuity Shares Climb Nearly 8% as Cantor Fitzgerald Backs Breast Cancer Drug Maker Ahead of Key ESMO DataCELC · ibtimes.com.au · 22 Oct 2026

0 headlines in the last 90 days name Richard E. Buller; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Health Care32

Buys in green, sells in red, by the company’s sector.

Related people

Leo FurchtDirector · Director at Celcuity, filing Form 4 there in the last year
David W. GryskaDirector · Director at Celcuity, filing Form 4 there in the last year
Brian F. SullivanChief Executive Officer · Chief Executive Officer at Celcuity, filing Form 4 there in the last year
Vicky HahneChief Financial Officer · Chief Financial Officer at Celcuity, filing Form 4 there in the last year
Lance G. LaingChief Science Officer · Chief Science Officer at Celcuity, filing Form 4 there in the last year