MarketPeel
Insider Trading Intelligence
MB

Mark Baldry

XFOR
CHIEF COMMERCIAL OFFICER · X4 PHARMACEUTICALS, INC · CIK 0001644137
FILING MIX · LIFETIME77%/23%
BUYS
10
SELLS
3
TOTAL VALUE
$696.1K
COMPANIES
1
ACTIVE SINCE
Nov 2022
HOLDINGS NOW
25,337
AVG SELL PX
$0.54
TRADE KIND
SHOWING 13 / 13
Trades · vs SPY
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Performance · forward returns vs SPY
6 backtested trades · 8 horizons · 4 pending
Forward-return performance of every backtestable P/S trade by Mark Baldry, 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
7d6+33.33%+6.32%+0.75%+5.57%-0.06%
14d6+50.00%+5.31%+1.61%+3.70%+3.67%
30d6+66.67%+10.42%+3.22%+7.20%-0.19%
60d6+50.00%-18.92%+4.39%-23.31%-28.40%
90d6+50.00%-2.31%+4.97%-7.28%-5.42%
180d6+50.00%-35.78%+7.53%-43.32%-61.58%
1y6+66.67%-51.71%+20.45%-72.16%-86.54%
2y6(4 pending)+50.00%-83.97%+53.29%-137.26%-137.26%
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
XFOR · 25,337 shares · as of May 16, 2025
0182,293364,587546,880729,173202320242025SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
FLOW · 10 buys / 3 sellsCOVERAGE · 11 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
XFOR
X4 PHARMACEUTICALS, INC
PURCHASE
Chief Commercial Officer
1,032$2.48$2.6K25,337May 16, 2025May 20, 2025View →
XFOR
X4 PHARMACEUTICALS, INC
PURCHASEGRANT
Stock grant
1,032$2.48$2.6K25,337May 16, 2025Jun 3, 2025View →
XFOR
X4 PHARMACEUTICALS, INC
PURCHASEGRANT
Stock grant
600,000729,173Feb 12, 2025Feb 14, 2025View →
XFOR
X4 PHARMACEUTICALS, INC
SALE
Chief Commercial Officer
29,159$0.45$13.2K94,123Jan 24, 2025Jan 27, 2025View →
XFOR
X4 PHARMACEUTICALS, INC
PURCHASEGRANT
Stock grant
74,773123,282Jan 23, 2025Jan 27, 2025View →
XFOR
X4 PHARMACEUTICALS, INC
PURCHASE
Chief Commercial Officer
13,404$0.34$4.6K129,173Nov 15, 2024Feb 14, 2025View →
XFOR
X4 PHARMACEUTICALS, INC
SALE
Chief Commercial Officer
11,127$0.58$6.5K48,509Oct 7, 2024Oct 8, 2024View →
XFOR
X4 PHARMACEUTICALS, INC
PURCHASEGRANT
Stock grant
34,94659,636Oct 4, 2024Oct 8, 2024View →
XFOR
X4 PHARMACEUTICALS, INC
PURCHASE
Chief Commercial Officer
21,646$0.68$14.7K115,769May 17, 2024Feb 14, 2025View →
XFOR
X4 PHARMACEUTICALS, INC
PURCHASEGRANT
Stock grant
523,414523,414Feb 13, 2024Feb 16, 2024View →
XFOR
X4 PHARMACEUTICALS, INC
SALE10b5-1
10b5-1 plan
10,257$0.73$7.5K24,690Nov 1, 2023Nov 3, 2023View →
XFOR
X4 PHARMACEUTICALS, INC
PURCHASEGRANT
Stock grant
34,94734,947Oct 31, 2023Nov 2, 2023View →
XFOR
X4 PHARMACEUTICALS, INC
PURCHASEGRANT
Stock grant
341,000$1.89$644.5K341,000Nov 3, 2022Nov 4, 2022View →
Other insiders · XFOR
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About this filer
CIK 0001644137
ROLE
Chief Commercial Officer
PRIMARY
XFOR
COMPANIES
1
ACTIVE SINCE
Nov 2022
MARKETPEEL · /INSIDER/0001644137DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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