Celldex Therapeutics (CLDX) Insider Trading & Ownership $22.08 -0.30 (-1.34%) Closing price 08/29/2025 04:00 PM EasternExtended Trading$22.08 0.00 (0.00%) As of 08/29/2025 06:08 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Insider Trades Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Celldex Therapeutics (NASDAQ:CLDX) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage4.40%Number OfInsiders Buying(Last 12 Months)1Amount OfInsider Buying(Last 12 Months)$308.43KNumber OfInsiders Selling(Last 12 Months)0 Get CLDX Insider Trade Alerts Want to know when executives and insiders are buying or selling Celldex Therapeutics stock? 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CLDX Insider Buying and Selling by Quarter Celldex Therapeutics Insider and Congressional Trades History Insiders and Members of Congress Insiders Only Members of Congress Only Transaction Type Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 2 Years 3 Years Time Frame Start Date End Date Export to Excel Transaction DateNameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionDetails11/11/2024Anthony S MarucciCEOBuy11,500$26.82$308,430.00 (Data available from 1/1/2013 forward) CLDX Insider Trading Activity - Frequently Asked Questions Who is on Celldex Therapeutics' Insider Roster? The list of insiders at Celldex Therapeutics includes Anthony S Marucci, Diane C Young, Elizabeth Crowley, Margo Heath-Chiozzi, Richard M Wright, and Samuel Bates Martin. Learn more on insiders at CLDX. What percentage of Celldex Therapeutics stock is owned by insiders? 4.40% of Celldex Therapeutics stock is owned by insiders. Learn more on CLDX's insider holdings. Which Celldex Therapeutics insiders have been buying company stock? The following insider purchased CLDX shares in the last 24 months: Anthony S Marucci ($308,430.00). How much insider buying is happening at Celldex Therapeutics? Insiders have purchased a total of 11,500 CLDX shares in the last 24 months for a total of $308,430.00 bought. Which Celldex Therapeutics insiders have been selling company stock? The following insiders have sold CLDX shares in the last 24 months: Diane C Young ($1,586,700.00), Elizabeth Crowley ($2,870,403.08), Margo Heath-Chiozzi ($1,319,156.33), Richard M Wright ($1,579,579.68), and Samuel Bates Martin ($1,799,982.24). How much insider selling is happening at Celldex Therapeutics? Insiders have sold a total of 266,332 Celldex Therapeutics shares in the last 24 months for a total of $9,155,821.33 sold. Celldex Therapeutics Key ExecutivesMr. Anthony S. Marucci M.B.A. (Age 62)Founder, President, CEO & Director Compensation: $1.27MDr. Tibor Keler Ph.D. (Age 65)Founder, Chief Scientific Officer & Executive VP Compensation: $810.39kMr. Sam Martin (Age 53)Senior VP, CFO, Secretary & Treasurer Compensation: $676.87kDr. Margo Heath-Chiozzi M.D. (Age 67)Senior Vice President of Regulatory Affairs Compensation: $667.21kDr. Diane C. Young M.D. (Age 67)Senior VP & Chief Medical Officer Compensation: $696.45kProf. Joseph P. Schlessinger Ph.D. (Age 79)Co-Founder & Member of Scientific Advisory Board Ms. Sarah Cavanaugh (Age 49)Senior Vice President of Corporate Affairs & Administration Mr. Freddy A. Jimenez Esq. (Age 55)Senior VP & General Counsel Compensation: $579.7kDr. Ronald A. Pepin (Age 68)Chief Business Officer & Senior VP Compensation: $441.84kMs. Elizabeth Crowley (Age 52)Chief Product Development Officer & Senior VP Compensation: $507.24k More Insider Trading Tools from MarketBeat Related Companies ALKS Insider Transactions LGND Insider Transactions FOLD Insider Transactions BCRX Insider Transactions NVAX Insider Transactions INVA Insider Transactions MNKD Insider Transactions DVAX Insider Transactions OPK Insider Transactions GERN Insider Transactions Insider Tracking Tools CEO Purchases/Sales CFO Purchases/Sales Top Insider Buying Stocks Top Insider Selling Stocks Insider Trades Screener Insider Trades Newsletter Congressional Stock Trades Insider Trading By Country U.S. Insider Trading Activity Canadian Insider Trading Activity U.K. Insider Trading Activity Australia Insider Trading Activity Latest Articles Costco Faces Downgrades, Death Cross, Insider SellingReynolds Consumer Products Stock Price: Insiders Signal a BottomBuy, Sell, or Hold? Insiders Pile Into These 3 Healthcare StocksInsiders Trade Millions in NVIDIA-Linked Navitas, Hims, & Shift45 Stocks Insiders Are Selling That Analysts Say Buy This page (NASDAQ:CLDX) was last updated on 9/1/2025 by MarketBeat.com Staff From Our PartnersNew Banking Law #1582 Could Unlock $21 Trillion for AmericansDo you have money in any of these banks? Chase. Bank of America. Citigroup. Wells Fargo. U.S. Bancorp. I...Brownstone Research | SponsoredRetire Comfortably with These New Monthly Income ETFs?Too many retirees lie awake at night, worried their savings won’t last. Traditional advice and tiny returns ju...Investors Alley | SponsoredForget Tesla — This Tiny AI Stock Is Musk’s Real PlayWhile Wall Street focused on Tesla’s earnings, Elon Musk was quietly building a supercomputer so powerful it c...Behind the Markets | SponsoredOut of 18,347 Cryptocurrencies... 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