MarketPeel
Insider Trading Intelligence
DY

Diane C. Young

CLDX
SVP, CHIEF MEDICAL OFFICER · CELLDEX THERAPEUTICS, INC. · CIK 0001648010
FILING MIX · LIFETIME63%/37%
BUYS
12
SELLS
7
TOTAL VALUE
$2.91M
COMPANIES
1
ACTIVE SINCE
Jun 2020
HOLDINGS NOW
57,000
AVG SELL PX
$36.34
TRADE KIND
SHOWING 19 / 19
Trades · vs SPY
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Performance · forward returns vs SPY
4 backtested trades · 8 horizonsHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Diane C. Young, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d4+75.00%+2.73%+0.67%+2.06%-0.66%
14d4+100.00%+6.09%-1.04%+7.13%-3.09%
30d4+75.00%+1.48%+0.26%+1.22%-4.92%
60d4+100.00%-2.63%-0.64%-1.99%-0.38%
90d4+75.00%+8.94%+1.77%+7.17%+13.03%
180d4+75.00%+16.13%+5.23%+10.90%-1.04%
1y4+100.00%+46.53%+11.89%+34.64%-9.72%
2y4+100.00%+21.49%+26.09%-4.60%-36.86%
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
CLDX · 57,000 shares · as of Jun 25, 2026
020,00040,00060,00080,000202120222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2020
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 12 buys / 7 sellsCOVERAGE · 25 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
CLDX
CELLDEX THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
57,00057,000Jun 25, 2026Jun 29, 2026View →
CLDX
CELLDEX THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
72,00072,000Jun 5, 2025Jun 9, 2025View →
CLDX
CELLDEX THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
72,00072,000Jun 13, 2024Jun 17, 2024View →
CLDX
CELLDEX THERAPEUTICS, INC.
SALE
SVP, CHIEF MEDICAL OFFICER
15,0000Jun 11, 2024Jun 13, 2024View →
CLDX
CELLDEX THERAPEUTICS, INC.
PURCHASE
SVP, CHIEF MEDICAL OFFICER
15,000$2.71$40.6K17,115Jun 11, 2024Jun 13, 2024View →
CLDX
CELLDEX THERAPEUTICS, INC.
SALE
SVP, CHIEF MEDICAL OFFICER
45,000$35.26$1.59M2,115Jun 7, 2024Jun 11, 2024View →
CLDX
CELLDEX THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
80,00080,000Jun 15, 2023Jun 20, 2023View →
CLDX
CELLDEX THERAPEUTICS, INC.
SALE
SVP, CHIEF MEDICAL OFFICER
45,00015,000Aug 17, 2022Aug 19, 2022View →
CLDX
CELLDEX THERAPEUTICS, INC.
SALE
SVP, CHIEF MEDICAL OFFICER
19,000$37.30$708.7K2,115Aug 17, 2022Aug 19, 2022View →
CLDX
CELLDEX THERAPEUTICS, INC.
PURCHASE
SVP, CHIEF MEDICAL OFFICER
19,000$10.38$197.2K21,115Aug 17, 2022Aug 19, 2022View →
CLDX
CELLDEX THERAPEUTICS, INC.
PURCHASE
SVP, CHIEF MEDICAL OFFICER
45,000$2.71$122.0K47,115Aug 17, 2022Aug 19, 2022View →
CLDX
CELLDEX THERAPEUTICS, INC.
SALE
SVP, CHIEF MEDICAL OFFICER
19,00048,400Aug 17, 2022Aug 19, 2022View →
CLDX
CELLDEX THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
76,00076,000Jun 16, 2022Jun 17, 2022View →
CLDX
CELLDEX THERAPEUTICS, INC.
SALE
SVP, Chief Medical Officer
4,60067,400Nov 12, 2021Nov 16, 2021View →
CLDX
CELLDEX THERAPEUTICS, INC.
PURCHASE
SVP, Chief Medical Officer
4,600$10.38$47.7K6,715Nov 12, 2021Nov 16, 2021View →
CLDX
CELLDEX THERAPEUTICS, INC.
SALE
SVP, Chief Medical Officer
4,600$42.94$197.5K2,115Nov 12, 2021Nov 16, 2021View →
CLDX
CELLDEX THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
72,00072,000Jun 17, 2021Jun 21, 2021View →
CLDX
CELLDEX THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
72,00072,000Jun 18, 2020Jun 19, 2020View →
CLDX
CELLDEX THERAPEUTICS, INC.
PURCHASE
SVP, Chief Medical Officer
2,115$4.73$10.0K2,115Jun 11, 2020Jun 12, 2020View →
Other insiders · CLDX
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About this filer
CIK 0001648010
ROLE
SVP, CHIEF MEDICAL OFFICER
PRIMARY
CLDX
COMPANIES
1
ACTIVE SINCE
Jun 2020
MARKETPEEL · /INSIDER/0001648010DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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