MarketPeel
Insider Trading Intelligence
JJ

John Kenneth Jenkins

CRBP
DIRECTOR · CORBUS PHARMACEUTICALS HOLDINGS, INC. · CIK 0001742557
FILING MIX · LIFETIME83%/17%
BUYS
10
SELLS
2
TOTAL VALUE
$58.5K
COMPANIES
1
ACTIVE SINCE
May 2020
HOLDINGS NOW
3,833
AVG SELL PX
$7.71
TRADE KIND
SHOWING 12 / 12
Trades · vs SPY
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Performance · forward returns vs SPY
1 backtested trades · 8 horizons · 1 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by John Kenneth Jenkins, 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
7d1+0.00%+24.39%+1.65%+22.74%+22.74%
14d1+0.00%+19.00%+1.29%+17.71%+17.71%
30d1+100.00%-7.01%+4.83%-11.84%-11.84%
60d1+0.00%+24.93%+7.78%+17.15%+17.15%
90d1+0.00%+33.42%+10.10%+23.32%+23.32%
180d1+0.00%+60.11%+15.32%+44.79%+44.79%
1y1+0.00%+6.47%
2y1(1 pending)
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
CRBP · 3,833 shares · as of Jun 10, 2026
019,90039,80059,70079,600202120222023202420252026SHARES 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 · 10 buys / 2 sellsCOVERAGE · 25 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
CRBP
CORBUS PHARMACEUTICALS HOLDINGS, INC.
SALE10b5-1
10b5-1 plan
4,800$7.91$38.0K3,833Jun 10, 2026Jun 11, 2026View →
CRBP
CORBUS PHARMACEUTICALS HOLDINGS, INC.
PURCHASEGRANT
Stock grant
12,30012,300May 19, 2026May 21, 2026View →
CRBP
CORBUS PHARMACEUTICALS HOLDINGS, INC.
PURCHASEGRANT
Stock grant
3,8008,633May 19, 2026May 21, 2026View →
CRBP
CORBUS PHARMACEUTICALS HOLDINGS, INC.
PURCHASEGRANT
Stock grant
4,8004,833May 30, 2025Jun 2, 2025View →
CRBP
CORBUS PHARMACEUTICALS HOLDINGS, INC.
PURCHASEGRANT
Stock grant
16,00016,000May 30, 2025Jun 2, 2025View →
CRBP
CORBUS PHARMACEUTICALS HOLDINGS, INC.
SALE10b5-1
10b5-1 plan
2,783$7.35$20.5K33May 30, 2025Jun 2, 2025View →
CRBP
CORBUS PHARMACEUTICALS HOLDINGS, INC.
PURCHASEGRANT
Stock grant
2,7832,816May 30, 2024Jun 3, 2024View →
CRBP
CORBUS PHARMACEUTICALS HOLDINGS, INC.
PURCHASEGRANT
Stock grant
2,7832,783May 16, 2024May 20, 2024View →
CRBP
CORBUS PHARMACEUTICALS HOLDINGS, INC.
PURCHASEGRANT
Stock grant
5,3005,300May 18, 2023May 22, 2023View →
CRBP
CORBUS PHARMACEUTICALS HOLDINGS, INC.
PURCHASEGRANT
Stock grant
79,60079,600May 18, 2022May 19, 2022View →
CRBP
CORBUS PHARMACEUTICALS HOLDINGS, INC.
PURCHASEGRANT
Stock grant
58,20058,200Jun 17, 2021Jun 17, 2021View →
CRBP
CORBUS PHARMACEUTICALS HOLDINGS, INC.
PURCHASEGRANT
Stock grant
40,50040,500May 20, 2020May 22, 2020View →
Other insiders · CRBP
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About this filer
CIK 0001742557
ROLE
Director
PRIMARY
CRBP
COMPANIES
1
ACTIVE SINCE
May 2020
MARKETPEEL · /INSIDER/0001742557DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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