MarketPeel
Insider Trading Intelligence
JA

Jonathan Anderman

CMPX
SR VP, GEN COUNSEL & CORP SEC · COMPASS THERAPEUTICS, INC. · CIK 0002032625
FILING MIX · LIFETIME100%/0%
BUYS
7
SELLS
0
TOTAL VALUE
$900.8K
COMPANIES
1
ACTIVE SINCE
Aug 2024
HOLDINGS NOW
196,000
AVG SELL PX
TRADE KIND
SHOWING 7 / 7
Trades · vs SPY
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Performance · forward returns vs SPY
2 backtested trades · 8 horizons · 5 pending
Forward-return performance of every backtestable P/S trade by Jonathan Anderman, 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%+10.77%+5.01%+5.76%+5.76%
14d2+100.00%+15.67%+3.10%+12.57%+12.57%
30d2+100.00%+25.06%+11.26%+0.85%+0.85%
60d2+100.00%+41.89%+10.62%+31.28%+31.28%
90d2(1 pending)+100.00%+68.15%+23.06%+45.09%+45.09%
180d2(1 pending)+100.00%+135.67%+32.68%+102.99%+102.99%
1y2(1 pending)+100.00%+238.22%+30.70%+207.52%+207.52%
2y2(2 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
CMPX · 196,000 shares · as of Apr 29, 2026
0180,000360,000540,000720,00020252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 7 buys / 0 sellsCOVERAGE · 8 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
CMPX
COMPASS THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
25,000$1.89$47.3K196,000Apr 29, 2026Apr 29, 2026View →
CMPX
COMPASS THERAPEUTICS, INC.
PURCHASE
General Counsel
25,000$1.89$47.3K196,000Apr 29, 2026Apr 30, 2026View →
CMPX
COMPASS THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
720,000720,000Jan 2, 2026Jan 5, 2026View →
CMPX
COMPASS THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
150,000$5.17$775.5K171,000Jan 2, 2026Jan 5, 2026View →
CMPX
COMPASS THERAPEUTICS, INC.
PURCHASE
Gen Counsel & Corporate Sec
20,000$1.54$30.8K21,000Apr 7, 2025Apr 8, 2025View →
CMPX
COMPASS THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
280,000280,000Feb 11, 2025Feb 13, 2025View →
CMPX
COMPASS THERAPEUTICS, INC.
PURCHASEGRANT
Stock grant
300,000300,000Aug 13, 2024Aug 14, 2024View →
Other insiders · CMPX
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About this filer
CIK 0002032625
ROLE
Sr VP, Gen Counsel & Corp Sec
PRIMARY
CMPX
COMPANIES
1
ACTIVE SINCE
Aug 2024
MARKETPEEL · /INSIDER/0002032625DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
FREE · DAILY · 6 AM ET

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