By CapitalSnitch Research Desk · updated Oct 11, 2026 · data from SEC filings and official Congress disclosures
Celldex Therapeutics, Inc. officers and board members have only been selling lately: two insiders trimmed about $1.3 million of stock over 12 months, with no open-market purchases.
Keep in mind most insider selling is routine — stock-based pay has to be converted to cash at some point.
253 investment managers listed CLDX in their latest 13F filings (Q2 2026); more funds bought than sold. Zooming out by quarter: No open-market insider buying or selling in the last full quarter. Insiders bought in 0 of the last 7 full quarters.
Are insiders buying or selling CLDX stock?
In the last 12 months Celldex Therapeutics, Inc. insiders made open-market purchases worth about $0 and sales worth about $1.3 million. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
When was the last insider trade in CLDX?
The most recent open-market insider trade in CLDX was filed on 2025-12-08.
How many institutions own CLDX?
253 investment managers reported holding CLDX in SEC Form 13F filings for Q2 2026.
Has any member of Congress traded CLDX?
No congressional trades in CLDX were reported in the past two years. The full list is free on CapitalSnitch.
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Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1).
Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).