Leo Furcht

Insider

First SEC filing: June 9, 2026 · Latest: June 9, 2026

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 13 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

13 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 5, 2026	CELC	A	1,530	—	—	12,530	—	—	(price as of 2026-08-21)
May 19, 2025	CELC	A	14,048	—	—	14,048 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 2, 2024	CELC	M	250	$3.60	$900	10,750 Direct	+2.38%	Acquired	2460.3% (price as of 2026-08-21)
Dec. 2, 2024	CELC	M	250	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
June 4, 2024	CELC	A	8,153	—	—	8,153 Direct	—	Acquired	(price as of 2026-08-21)
Nov. 28, 2023	CELC	M	250	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Nov. 28, 2023	CELC	M	250	$1.60	$400	10,500 Direct	+2.44%	Acquired	5660.6% (price as of 2026-08-21)
May 22, 2023	CELC	P	10,000	$10.32	$103,200	10,250 Direct	+4000.00%	Acquired	793.1% (price as of 2026-08-21)
May 15, 2023	CELC	A	11,645	—	—	11,645 Direct	—	Acquired	(price as of 2026-08-21)
Nov. 29, 2022	CELC	M	250	—	—	0 Direct	—	Acquired	(price as of 2026-08-21)
Nov. 29, 2022	CELC	M	250	$1.60	$400	250 Direct	—	Acquired	5660.6% (price as of 2026-08-21)
May 12, 2021	CELC	A	4,619	—	—	4,619 Direct	—	Acquired	(price as of 2026-08-21)
May 14, 2020	CELC	A	25,308	—	—	25,308 Direct	—	Acquired	(price as of 2026-08-21)
May 16, 2019	CELC	A	5,054	—	—	5,054 Direct	—	Acquired	(price as of 2026-08-21)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
May 19, 2025	CELC	Stock Option (right to buy)	Common Stock (14,048)	$10.69	May 19, 2035	14,048	Acquired
Dec. 2, 2024	CELC	Employee Stock Option (right to buy)	Common Stock (250)	$3.60	Dec. 14, 2024	250	Disposed
June 4, 2024	CELC	Stock Option (right to buy)	Common Stock (8,153)	$14.83	June 4, 2034	8,153	Acquired
Nov. 28, 2023	CELC	Stock Option (right to buy)	Common Stock (250)	$1.60	Dec. 14, 2023	250	Disposed
May 15, 2023	CELC	Stock Option (right to buy)	Common Stock (11,645)	$9.58	May 15, 2033	11,645	Acquired
Nov. 29, 2022	CELC	Stock Option (right to buy)	Common Stock (250)	$1.60	Dec. 14, 2022	250	Acquired
May 12, 2021	CELC	Stock Option (right to buy)	Common Stock (4,619)	$26.99	May 12, 2031	4,619	Acquired
May 14, 2020	CELC	Stock Option (right to buy)	Common Stock (25,308)	$5.10	May 14, 2030	25,308	Acquired
May 16, 2019	CELC	Stock Option (right to buy)	Common Stock (5,054)	$22.45	May 16, 2029	5,054	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).