Brian F. Sullivan

CELC

Brian F. Sullivan serves as Chief Executive Officer at Celcuity Inc. (CELC). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

1 trades

$1.50M

Total Sells

3 trades

$1.93M

Net Position

Net Seller

$433.1K

Companies Traded

CELC, ENTG

Active Period

Mar 2021 – Sep 2025

4 total trades

Most Recent

Sell CELC

Sep 2, 2025 · $839.9K

Brian F. Sullivan's Insider Trading at Celcuity Inc. (CELC)

Buys

1 · $1.50M

Sells

1 · $839.9K

Total Shares Bought

260,869

Total Shares Sold

104,340

CELC Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Sep 2, 2025	Sell	104,340	$8.05	$839.9K	0
Dec 9, 2022	Buy	260,869	$5.75	$1.50M	0

Brian F. Sullivan's Insider Trading at Entegris, Inc. (ENTG)

Buys

0 · $0.00

Sells

2 · $1.09M

Total Shares Bought

Total Shares Sold

10,226

ENTG Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
May 7, 2021	Sell	2,567	$114.51	$293.9K	97,521
Mar 3, 2021	Sell	7,659	$104.34	$799.2K	102,047

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ENTGSell · May 18, 2026

Joseph Colella

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ENTGSell · May 18, 2026

Susan G. Rice

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ENTGSell · May 18, 2026

David Dalvey

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CELCSell · May 6, 2026

Richard E Buller

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CELCSell · May 6, 2026

LOY BERTRAND

Executive Chair

ENTGSell · Apr 20, 2026

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