MarketPeel
Insider Trading Intelligence
KM

Kevin Mcculloch

XERS
SEE REMARKS · XERIS BIOPHARMA HOLDINGS, INC. · CIK 0002031695
FILING MIX · LIFETIME39%/61%
BUYS
9
SELLS
14
TOTAL VALUE
$2.74M
COMPANIES
1
ACTIVE SINCE
Aug 2024
HOLDINGS NOW
1,691,126
AVG SELL PX
$6.08
TRADE KIND
SHOWING 23 / 23
Trades · vs SPY
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Performance · forward returns vs SPY
2 backtested trades · 8 horizons · 4 pending
Forward-return performance of every backtestable P/S trade by Kevin Mcculloch, 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%-2.59%-0.03%-2.56%-2.56%
14d2+100.00%+0.82%+1.46%-0.64%-0.64%
30d2+100.00%+5.64%+2.41%+3.23%+3.23%
60d2+100.00%+18.35%+3.01%+15.34%+15.34%
90d2+100.00%+24.68%+4.10%+20.59%+20.59%
180d2(1 pending)+100.00%+59.54%+15.17%+44.37%+44.37%
1y2(1 pending)+100.00%+59.77%+24.25%+35.52%+35.52%
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
XERS · 1,691,126 shares · as of Jul 1, 2026
0463,472926,9451,390,4171,853,88920252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2024
2024
2025
2025
2025
2025
2026
2026
2026
FLOW · 9 buys / 14 sellsCOVERAGE · 9 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
XERS
XERIS BIOPHARMA HOLDINGS, INC.
SALE10b5-1
10b5-1 plan
90,000$8.03$722.5K1,691,126Jul 1, 2026Jul 2, 2026View →
XERS
XERIS BIOPHARMA HOLDINGS, INC.
PURCHASE
See Remarks
4$3.94$161,777,725Mar 12, 2026Mar 16, 2026View →
XERS
XERIS BIOPHARMA HOLDINGS, INC.
SALE
See Remarks
4$3.94$1679,996Mar 12, 2026Mar 16, 2026View →
XERS
XERIS BIOPHARMA HOLDINGS, INC.
PURCHASE
See Remarks
48,894$4.09$200.0K1,777,721Mar 12, 2026Mar 16, 2026View →
XERS
XERIS BIOPHARMA HOLDINGS, INC.
SALE
See Remarks
48,894$4.09$200.0K43,773Mar 12, 2026Mar 16, 2026View →
XERS
XERIS BIOPHARMA HOLDINGS, INC.
SALE
See Remarks
30,289$7.36$222.9K1,755,146Jan 31, 2026Feb 2, 2026View →
XERS
XERIS BIOPHARMA HOLDINGS, INC.
SALE
See Remarks
68,454$7.36$503.8K1,785,435Jan 31, 2026Feb 2, 2026View →
XERS
XERIS BIOPHARMA HOLDINGS, INC.
SALE
See Remarks
27,319$7.36$201.1K1,727,827Jan 31, 2026Feb 2, 2026View →
XERS
XERIS BIOPHARMA HOLDINGS, INC.
PURCHASEGRANT
Stock grant
168,4631,853,889Jan 30, 2026Feb 2, 2026View →
XERS
XERIS BIOPHARMA HOLDINGS, INC.
PURCHASEGRANT
Stock grant
225,225225,225Jan 30, 2026Feb 2, 2026View →
XERS
XERIS BIOPHARMA HOLDINGS, INC.
SALE10b5-1
10b5-1 plan
15,000$8.00$120.0K1,685,426Jan 8, 2026Jan 9, 2026View →
XERS
XERIS BIOPHARMA HOLDINGS, INC.
SALE
See Remarks
733$8.31$6.1K1,700,426Oct 2, 2025Oct 3, 2025View →
XERS
XERIS BIOPHARMA HOLDINGS, INC.
SALE
See Remarks
2,0000Sep 11, 2025Sep 15, 2025View →
XERS
XERIS BIOPHARMA HOLDINGS, INC.
SALE
See Remarks
14,651$5.38$78.8K1,701,159Aug 1, 2025Aug 4, 2025View →
XERS
XERIS BIOPHARMA HOLDINGS, INC.
PURCHASE
See Remarks
25,000$4.38$109.5K1,708,585Jun 13, 2025Jun 16, 2025View →
XERS
XERIS BIOPHARMA HOLDINGS, INC.
SALE
See Remarks
733$5.15$3.8K1,683,585Apr 2, 2025Apr 3, 2025View →
XERS
XERIS BIOPHARMA HOLDINGS, INC.
PURCHASEGRANT
Stock grant
185,0001,684,318Jan 31, 2025Feb 3, 2025View →
XERS
XERIS BIOPHARMA HOLDINGS, INC.
PURCHASEGRANT
Stock grant
500,000500,000Jan 31, 2025Feb 3, 2025View →
XERS
XERIS BIOPHARMA HOLDINGS, INC.
SALE
See Remarks
48,834$3.56$173.8K1,499,318Jan 31, 2025Feb 3, 2025View →
XERS
XERIS BIOPHARMA HOLDINGS, INC.
SALE
See Remarks
29,300$3.56$104.3K1,548,152Jan 31, 2025Feb 3, 2025View →
XERS
XERIS BIOPHARMA HOLDINGS, INC.
SALE
See Remarks
24,501$3.61$88.4K1,577,452Jan 3, 2025Jan 7, 2025View →
XERS
XERIS BIOPHARMA HOLDINGS, INC.
PURCHASEGRANT
Stock grant
200,000200,000Aug 1, 2024Aug 2, 2024View →
XERS
XERIS BIOPHARMA HOLDINGS, INC.
PURCHASEGRANT
Stock grant
150,0001,601,953Aug 1, 2024Aug 2, 2024View →
Other insiders · XERS
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About this filer
CIK 0002031695
ROLE
See Remarks
PRIMARY
XERS
COMPANIES
1
ACTIVE SINCE
Aug 2024
MARKETPEEL · /INSIDER/0002031695DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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