MarketPeel
Insider Trading Intelligence
AS

Amy Sullivan

IOBT
CHIEF FINANCIAL OFFICER · IO BIOTECH, INC. · CIK 0001887865
FILING MIX · LIFETIME100%/0%
BUYS
8
SELLS
0
TOTAL VALUE
$166.5K
COMPANIES
1
ACTIVE SINCE
Oct 2022
HOLDINGS NOW
215,000
AVG SELL PX
TRADE KIND
SHOWING 8 / 8
Trades · vs SPY
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Performance · forward returns vs SPY
2 backtested trades · 8 horizons · 1 pending
Forward-return performance of every backtestable P/S trade by Amy Sullivan, 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
7d2+100.00%+3.46%+0.20%+3.26%+3.26%
14d2+50.00%-2.17%+2.54%-4.71%-4.71%
30d2+50.00%-2.06%+4.06%-6.12%-6.12%
60d2+100.00%+12.58%+3.04%+9.54%+9.54%
90d2+100.00%+7.97%+5.16%+2.81%+2.81%
180d2+50.00%+8.67%+7.58%+1.10%+1.10%
1y2+0.00%-18.99%+24.33%-43.32%-43.32%
2y2(1 pending)+0.00%-53.59%+48.96%-102.55%-102.55%
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
IOBT · 215,000 shares · as of Apr 2, 2025
072,038144,076216,114288,152202320242025SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
FLOW · 8 buys / 0 sellsCOVERAGE · 11 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
IOBT
IO BIOTECH, INC.
PURCHASEGRANT
Stock grant
215,000215,000Apr 2, 2025Apr 4, 2025View →
IOBT
IO BIOTECH, INC.
PURCHASE
Chief Financial Officer
10,250$0.83$8.5K84,632Dec 23, 2024Dec 23, 2024View →
IOBT
IO BIOTECH, INC.
PURCHASEGRANT
Stock grant
280,000280,000Mar 15, 2024Mar 18, 2024View →
IOBT
IO BIOTECH, INC.
PURCHASEGRANT
Stock grant
49,382$0.13$6.2K49,382Aug 9, 2023Aug 9, 2023View →
IOBT
IO BIOTECH, INC.
PURCHASEGRANT
Stock grant
49,382$1.90$93.8K74,382Aug 9, 2023Aug 9, 2023View →
IOBT
IO BIOTECH, INC.
PURCHASEGRANT
Stock grant
55,00055,000Mar 20, 2023Mar 22, 2023View →
IOBT
IO BIOTECH, INC.
PURCHASE
Chief Financial Officer
25,000$2.32$58.0K25,000Mar 17, 2023Mar 20, 2023View →
IOBT
IO BIOTECH, INC.
PURCHASEGRANT
Stock grant
288,152288,152Oct 17, 2022Oct 19, 2022View →
Other insiders · IOBT
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About this filer
CIK 0001887865
ROLE
Chief Financial Officer
PRIMARY
IOBT
COMPANIES
1
ACTIVE SINCE
Oct 2022
MARKETPEEL · /INSIDER/0001887865DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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