Celldex Therapeutics, Inc (CLDX) insider trading
Every open-market stock purchase and sale by Celldex Therapeutics, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Insiders sold $1.3M over the last 12 months (2 sales). No open-market buys.
- Last insider buy: Anthony S Marucci (CEO), $308K, 23 months ago.
Last 12 months: insiders bought $0 (0 buys) and sold $1.3M (2 sales). Last close $37.44 on Jun 29, 2026.
Recent CLDX insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Jun 25, 2026 | Samuel Bates Martin (CFO) | Bought (not open market) | — |
| Jun 25, 2026 | Sarah Cavanaugh (VP) | Bought (not open market) | — |
| Jun 25, 2026 | Denice Torres (Insider) | Bought (not open market) | — |
| Jun 25, 2026 | Freddy A. Jimenez (VP) | Bought (not open market) | — |
| Jun 25, 2026 | Diane C. Young (C-suite exec) | Bought (not open market) | — |
| Jun 25, 2026 | Ronald Pepin (C-suite exec) | Bought (not open market) | — |
| Jun 25, 2026 | Herbert J Conrad (Insider) | Bought (not open market) | — |
| Jun 25, 2026 | Teri L Lawver (C-suite exec) | Bought (not open market) | — |
| Jun 25, 2026 | Garry Arthur Neil (Insider) | Bought (not open market) | — |
| Jun 25, 2026 | Anthony S Marucci (CEO) | Bought (not open market) | — |
| Jun 25, 2026 | Tibor Keler (C-suite exec) | Bought (not open market) | — |
| Jun 25, 2026 | James J Marino (Insider) | Bought (not open market) | — |
| Jun 25, 2026 | Margo Heath-Chiozzi (VP) | Bought (not open market) | — |
| Jun 25, 2026 | Harry Penner Jr (Insider) | Bought (not open market) | — |
| Jun 25, 2026 | Keith L Brownlie (Insider) | Bought (not open market) | — |
| Jun 25, 2026 | Cheryl Cohen (Insider) | Bought (not open market) | — |
| Jun 25, 2026 | Elizabeth Crowley (VP) | Bought (not open market) | — |
| Jun 25, 2026 | Rita Jain (Insider) | Bought (not open market) | — |
| Jan 2, 2026 | Samuel Bates Martin (CFO) | Bought (not open market) | — |
| Dec 15, 2025 | Ronald Pepin (C-suite exec) | Bought (not open market) | — |
| Dec 15, 2025 | Ronald Pepin (C-suite exec) | Bought (not open market) | — |
| Dec 4, 2025 | Freddy A. Jimenez (VP) | Sold | $121K |
| Nov 13, 2025 | Richard M. Wright (Insider) | Sold | $1.2M |
| Nov 13, 2025 | Richard M. Wright (Insider) | Bought (not open market) | — |
| Nov 13, 2025 | Richard M. Wright (Insider) | Bought (not open market) | — |
Who's trading CLDX
- Diane C. Young, C-suite exec: other filings, last Jun 25, 2026
- Herbert J Conrad, Insider: other filings, last Jun 25, 2026
- Sarah Cavanaugh, VP: other filings, last Jun 25, 2026
- Cheryl Cohen, Insider: other filings, last Jun 25, 2026
- Elizabeth Crowley, VP: other filings, last Jun 25, 2026
- Margo Heath-Chiozzi, VP: other filings, last Jun 25, 2026
- Rita Jain, Insider: other filings, last Jun 25, 2026
- Freddy A. Jimenez, VP: sold $121K (1 sale), last Jun 25, 2026
- Tibor Keler, C-suite exec: other filings, last Jun 25, 2026
- Teri L Lawver, C-suite exec: other filings, last Jun 25, 2026
- James J Marino, Insider: other filings, last Jun 25, 2026
- Samuel Bates Martin, CFO: other filings, last Jun 25, 2026
- Anthony S Marucci, CEO: other filings, last Jun 25, 2026
- Garry Arthur Neil, Insider: other filings, last Jun 25, 2026
- Harry Penner Jr, Insider: other filings, last Jun 25, 2026
Get free alerts when an insider at Celldex Therapeutics, Inc files a new trade →