Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 41 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

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Aug. 14, 2026 CELC A 20,000 · · 1,271,000 Direct +1.60% Acquired (price as of 2026-10-05)
Aug. 14, 2026 CELC A 10,000 · · 10,000 Direct · Acquired (price as of 2026-10-05)
June 2, 2026 CELC M 1,000 $9.89 $9,890 1,251,000 Direct +0.08% Acquired 622.9% (price as of 2026-10-05)
June 2, 2026 CELC M 1,000 · · 20,250 Direct -4.71% Disposed (price as of 2026-10-05)
Aug. 18, 2025 CELC A 100,000 · · 100,000 Direct · Acquired (price as of 2026-10-05)
Feb. 13, 2025 CELC A 10,962 · · 10,962 Direct · Acquired (price as of 2026-10-05)
Aug. 20, 2024 CELC A 100,000 · · 100,000 Direct · Acquired (price as of 2026-10-05)
Aug. 20, 2024 CELC A 100,000 · · 100,000 Direct · Acquired (price as of 2026-10-05)
Feb. 13, 2024 CELC A 7,765 · · 7,765 Direct · Acquired (price as of 2026-10-05)
Aug. 25, 2023 CELC A 125,000 · · 125,000 Direct · Acquired (price as of 2026-10-05)
Aug. 25, 2023 CELC A 21,250 · · 21,250 Direct · Acquired (price as of 2026-10-05)
Feb. 16, 2023 CELC A 9,156 · · 9,156 Direct · Acquired (price as of 2026-10-05)
May 17, 2022 CELC D 4,110 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
May 17, 2022 CELC A 4,110 · · 4,110 Direct · Acquired (price as of 2026-10-05)
May 17, 2022 CELC D 1,834 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
May 17, 2022 CELC A 1,834 · · 1,834 Direct · Acquired (price as of 2026-10-05)
May 17, 2022 CELC D 50,000 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
May 17, 2022 CELC A 50,000 · · 50,000 Direct · Acquired (price as of 2026-10-05)
May 17, 2022 CELC D 2,771 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
May 17, 2022 CELC A 2,771 · · 2,771 Direct · Acquired (price as of 2026-10-05)
May 17, 2022 CELC D 3,215 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
May 17, 2022 CELC A 3,215 · · 3,215 Direct · Acquired (price as of 2026-10-05)
May 17, 2022 CELC D 2,973 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
May 17, 2022 CELC A 2,973 · · 2,973 Direct · Acquired (price as of 2026-10-05)
May 17, 2022 CELC D 6,754 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
May 17, 2022 CELC A 6,754 · · 6,754 Direct · Acquired (price as of 2026-10-05)
May 17, 2022 CELC D 20,000 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
May 17, 2022 CELC A 20,000 · · 20,000 Direct · Acquired (price as of 2026-10-05)
May 17, 2022 CELC D 1,877 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
May 17, 2022 CELC A 1,877 · · 1,877 Direct · Acquired (price as of 2026-10-05)
May 17, 2022 CELC A 38,412 · · 38,412 Direct · Acquired (price as of 2026-10-05)
Oct. 27, 2021 CELC A 1,877 · · 1,877 Direct · Acquired (price as of 2026-10-05)
Aug. 11, 2021 CELC A 20,000 · · 20,000 Direct · Acquired (price as of 2026-10-05)
April 12, 2021 CELC A 6,754 · · 6,754 Direct · Acquired (price as of 2026-10-05)
March 18, 2021 CELC A 2,973 · · 2,973 Direct · Acquired (price as of 2026-10-05)
Feb. 2, 2021 CELC A 3,215 · · 3,215 Direct · Acquired (price as of 2026-10-05)
Dec. 28, 2020 CELC A 2,771 · · 2,771 Direct · Acquired (price as of 2026-10-05)
Aug. 12, 2020 CELC A 20,000 · · 20,000 Direct · Acquired (price as of 2026-10-05)
Aug. 12, 2019 CELC A 50,000 · · 50,000 Direct · Acquired (price as of 2026-10-05)
Oct. 17, 2018 CELC A 1,834 · · 1,834 Direct · Acquired (price as of 2026-10-05)
Sept. 19, 2017 CELC A 4,110 · · 4,110 Direct · Acquired (price as of 2026-10-05)

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.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Aug. 14, 2026 CELC Performance Stock Units Common Stock (10,000) · · 10,000 Acquired
June 2, 2026 CELC Stock Option (right to buy) Common Stock (1,000) $9.89 Aug. 25, 2033 1,000 Disposed
Aug. 18, 2025 CELC Stock Option (right to buy) Common Stock (100,000) $51.57 Aug. 18, 2035 100,000 Acquired
Feb. 13, 2025 CELC Stock Option (right to buy) Common Stock (10,962) $12.62 Feb. 13, 2035 10,962 Acquired
Aug. 20, 2024 CELC Stock Option (right to buy) Common Stock (100,000) $17.04 Aug. 20, 2034 100,000 Acquired
Aug. 20, 2024 CELC Stock Option (right to buy) Common Stock (100,000) $17.04 Aug. 20, 2034 100,000 Acquired
Feb. 13, 2024 CELC Stock Option (right to buy) Common Stock (7,765) $15.03 Feb. 13, 2034 7,765 Acquired
Aug. 25, 2023 CELC Stock Option (right to buy) Common Stock (125,000) $9.89 Aug. 25, 2033 125,000 Acquired
Aug. 25, 2023 CELC Stock Option (right to buy) Common Stock (21,250) $9.89 Aug. 25, 2033 21,250 Acquired
Feb. 16, 2023 CELC Stock Option (right to buy) Common Stock (9,156) $11.55 Feb. 16, 2033 9,156 Acquired
May 17, 2022 CELC Stock Option (right to buy) Common Stock (4,110) $9.50 Sept. 19, 2027 4,110 Disposed
May 17, 2022 CELC Stock Option (right to buy) Common Stock (4,110) $5.50 Sept. 19, 2027 4,110 Acquired
May 17, 2022 CELC Stock Option (right to buy) Common Stock (1,834) $25.77 Oct. 17, 2028 1,834 Disposed
May 17, 2022 CELC Stock Option (right to buy) Common Stock (1,834) $5.50 Oct. 17, 2019 1,834 Acquired
May 17, 2022 CELC Stock Option (right to buy) Common Stock (50,000) $19.72 Aug. 12, 2029 50,000 Disposed
May 17, 2022 CELC Stock Option (right to buy) Common Stock (50,000) $5.50 Aug. 12, 2029 50,000 Acquired
May 17, 2022 CELC Stock Option (right to buy) Common Stock (2,771) $10.35 Dec. 28, 2030 2,771 Disposed
May 17, 2022 CELC Stock Option (right to buy) Common Stock (2,771) $5.50 Dec. 28, 2030 2,771 Acquired
May 17, 2022 CELC Stock Option (right to buy) Common Stock (3,215) $14.84 Feb. 2, 2031 3,215 Disposed
May 17, 2022 CELC Stock Option (right to buy) Common Stock (3,215) $5.50 Feb. 2, 2031 3,215 Acquired
May 17, 2022 CELC Stock Option (right to buy) Common Stock (2,973) $15.92 March 18, 2031 2,973 Disposed
May 17, 2022 CELC Stock Option (right to buy) Common Stock (2,973) $5.50 March 18, 2031 2,973 Acquired
May 17, 2022 CELC Stock Option (right to buy) Common Stock (6,754) $27.94 April 12, 2031 6,754 Disposed
May 17, 2022 CELC Stock Option (right to buy) Common Stock (6,754) $5.50 April 12, 2031 6,754 Acquired
May 17, 2022 CELC Stock Option (right to buy) Common Stock (20,000) $20.04 Aug. 11, 2031 20,000 Disposed
May 17, 2022 CELC Stock Option (right to buy) Common Stock (20,000) $5.50 Aug. 11, 2031 20,000 Acquired
May 17, 2022 CELC Stock Option (right to buy) Common Stock (1,877) $17.19 Oct. 27, 2031 1,877 Disposed
May 17, 2022 CELC Stock Option (right to buy) Common Stock (1,877) $5.50 Oct. 27, 2031 1,877 Acquired
May 17, 2022 CELC Stock Option (Right to Buy) Common Stock (38,412) $5.50 May 17, 2032 38,412 Acquired
Oct. 27, 2021 CELC Stock Option (right to buy) Common Stock (1,877) $17.19 Oct. 27, 2031 1,877 Acquired
Aug. 11, 2021 CELC Stock Option (right to buy) Common Stock (20,000) $20.04 Aug. 11, 2031 20,000 Acquired
April 12, 2021 CELC Stock Option (right to buy) Common Stock (6,754) $27.94 April 12, 2031 6,754 Acquired
March 18, 2021 CELC Stock Option (right to buy) Common Stock (2,973) $15.92 March 18, 2031 2,973 Acquired
Feb. 2, 2021 CELC Stock Option (right to buy) Common Stock (3,215) $14.84 Feb. 2, 2031 3,215 Acquired
Dec. 28, 2020 CELC Stock Option (right to buy) Common Stock (2,771) $10.35 Dec. 28, 2030 2,771 Acquired
Aug. 12, 2020 CELC Stock Option (right to buy) Common Stock (20,000) $5.90 Aug. 12, 2030 20,000 Acquired
Aug. 12, 2019 CELC Stock Option (right to buy) Common Stock (50,000) $19.72 Aug. 12, 2029 50,000 Acquired
Oct. 17, 2018 CELC Stock Option (right to buy) Common Stock (1,834) $25.77 Oct. 17, 2028 1,834 Acquired
Sept. 19, 2017 CELC Stock Option (right to buy) Common Stock (4,110) $9.50 Sept. 19, 2027 4,110 Acquired

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

Initial ownership (Form 3) 2 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
Sept. 19, 2017 CELC Common Stock 1,250,000 Direct
Sept. 19, 2017 CELC Stock Option (right to buy)→ Common Stock (16,125) 16,125 Direct

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2020 $315,000 · · $97,027 $18,900 · · $430,927
2019 $315,000 · · $676,300 · · · $991,300
2018 $285,461 · · $31,145 $94,500 · · $411,106

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.