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).
| 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.
| 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 |