Celldex Therapeutics, Inc. (CLDX) Insider Ownership

Historic Insider Ownership Trends

As of March 23, 2026, Celldex Therapeutics's top three insider holders are Anthony S Marucci (President Ceo, 40.28K shares), Samuel Bates Martin (Svp And Cfo, 32.94K shares), Freddy A. Jimenez (Svp General Counsel, 30.80K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Anthony S Marucci President Ceo 40,284 0 12 Nov, 2024
Samuel Bates Martin Svp And Cfo 32,942 0 06 Jan, 2026
Freddy A. Jimenez Svp General Counsel 30,796 0 08 Dec, 2025
Richard M. Wright 20,833 0 17 Nov, 2025
Ronald Pepin Sr. Vp Cbo 20,097 0 17 Dec, 2025
Diane C. Young Svp, Chief Medical Officer 17,115 0 13 Jun, 2024
Margo Heath-Chiozzi Svp Of Regulatory Affairs 13,383 0 05 Jun, 2024
Elizabeth Crowley Sr. Vp Cpdo 9,074 0 18 Jun, 2024
Tibor Keler Executive Vp Cso 7,357 0 09 Dec, 2022
James J Marino 2,204 0 20 Nov, 2024
Sarah Cavanaugh Svp Of Corp Affairs Admin. 1,860 0 03 Jun, 2024

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
02 Jan, 2026 Samuel Bates Martin Common Stock A 4,817 $10.38 32,942 D M
02 Jan, 2026 Samuel Bates Martin Incentive Stock Option (Right to Buy) D 4,817 $0.00 58,815 D M
15 Dec, 2025 Ronald Pepin Common Stock A 8,333 $9.02 9,097 D M
15 Dec, 2025 Ronald Pepin Common Stock A 11,000 $2.78 20,097 D M
15 Dec, 2025 Ronald Pepin Incentive Stock Option (right to buy) D 8,333 $0.00 5,000 D M
15 Dec, 2025 Ronald Pepin Incentive Stock Option (right to buy) D 11,000 $0.00 0 D M
04 Dec, 2025 Freddy A. Jimenez Common Stock D 4,166 $29.10 30,796 D S
13 Nov, 2025 Richard M. Wright Common Stock A 6,876 $9.02 27,709 D M
13 Nov, 2025 Richard M. Wright Common Stock A 26,672 $10.38 54,381 D M
13 Nov, 2025 Richard M. Wright Common Stock A 15,750 $22.48 70,131 D M
13 Nov, 2025 Richard M. Wright Common Stock D 49,298 $24.00 20,833 D S
13 Nov, 2025 Richard M. Wright Incentive Stock Option D 6,876 $0.00 0 D M
13 Nov, 2025 Richard M. Wright Incentive Stock Option D 26,672 $0.00 0 D M
13 Nov, 2025 Richard M. Wright Incentive Stock Option D 15,750 $0.00 7,875 D M
10 Nov, 2025 Teri L Lawver ISO (right to buy) A 100,000 $0.00 100,000 D A
13 Aug, 2025 Freddy A. Jimenez Common Stock D 341 $23.95 35,392 D S
13 Aug, 2025 Freddy A. Jimenez Common Stock D 430 $25.42 34,962 D S
05 Jun, 2025 Margo Heath-Chiozzi Incentive Stock Option (right to buy) A 82,000 $0.00 82,000 D A
05 Jun, 2025 Anthony S Marucci Incentive Stock Option (right to buy) A 300,000 $0.00 300,000 D A
05 Jun, 2025 Herbert J Conrad Non-Qualified Stock Option (right to buy) A 16,500 $0.00 16,500 D A