NASDAQ: CLDX
Celldex Therapeutics Inc Stock Ownership - Who owns Celldex Therapeutics?

Insider buying vs selling

Have Celldex Therapeutics Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Samuel Bates MartinSVP AND CFO2026-01-024,817$10.38
$50.00kBuy
Ronald PepinSR. VP CBO2025-12-158,333$9.02
$75.14kBuy
Ronald PepinSR. VP CBO2025-12-1511,000$2.78
$30.58kBuy
Freddy A. JimenezSVP GENERAL COUNSEL2025-12-044,166$29.10
$121.21kSell
Richard M. WrightInsider2025-11-1349,298$24.00
$1.18MSell
Richard M. WrightInsider2025-11-136,876$9.02
$62.00kBuy
Richard M. WrightInsider2025-11-1326,672$10.38
$276.86kBuy
Richard M. WrightInsider2025-11-1315,750$22.48
$354.06kBuy

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Net Insider Buy/Sell (L12M) Ownership

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CLDX Shareholders

What type of owners hold Celldex Therapeutics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Thomas S. Paluck9.72%7,632,346$295.45MInsider
Medarex Inc3.77%2,960,848$114.61MInsider
Una S. Ryan1.15%899,213$34.81MInsider
Den Broek Richard Van0.57%448,500$17.36MInsider
Gerald Phd McMahon0.23%180,697$6.99MInsider
Avery W. Catlin0.11%83,586$3.24MInsider
Timothy M. 1. Shannon0.11%83,212$3.22MInsider
Larry Ellberger0.09%73,500$2.85MInsider
Harry Penner Jr.0.05%41,916$1.62MInsider
Karen L. Shoos0.05%41,833$1.62MInsider

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CLDX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
CLDX0.11%16.22%Net Buying
QURE0.09%10.00%Net SellingNet Selling
MBX0.09%99.91%Net BuyingNet Selling
DNLI0.10%57.28%Net SellingNet Selling
ZLAB0.00%1.78%Net BuyingNet Selling

Celldex Therapeutics Stock Ownership FAQ

Who owns Celldex Therapeutics?

Celldex Therapeutics (NASDAQ: CLDX) is owned by 0.11% institutional shareholders, 16.22% Celldex Therapeutics insiders, and 83.67% retail investors. Thomas S. Paluck is the largest individual Celldex Therapeutics shareholder, owning 7.63M shares representing 9.72% of the company. Thomas S. Paluck's Celldex Therapeutics shares are currently valued at $297.51M.

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