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Insider Trading Intelligence
DC

Dirkson R. Charles

BLDR
DIRECTOR · BUILDERS FIRSTSOURCE, INC. · CIK 0001335344
FILING MIX · LIFETIME92%/8%
BUYS
34
SELLS
3
TOTAL VALUE
$72.21M
COMPANIES
2
ACTIVE SINCE
Jun 2022
HOLDINGS NOW
4,101,301
AVG SELL PX
$80.95
TRADE KIND
SHOWING 37 / 37
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
7 backtested trades · 8 horizons · 13 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Dirkson R. Charles, 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
7d7+42.86%-2.27%-1.35%-0.92%-2.00%
14d7+28.57%-4.54%-1.27%-3.27%-3.22%
30d7+71.43%-3.49%+0.66%-4.15%-4.90%
60d7+57.14%-4.19%+6.80%-10.99%-15.42%
90d7+71.43%-6.57%+6.72%-13.28%-17.20%
180d7(3 pending)+50.00%-10.84%+10.38%-21.22%-27.32%
1y7(3 pending)+75.00%-26.54%+22.20%-48.75%-55.41%
2y7(7 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
BLDR · 14,296 shares · as of Jun 1, 2026
03,5747,14810,72214,2962023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY SELL
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 34 buys / 3 sellsCOVERAGE · 17 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
409$76.26$31.2K14,296Jun 1, 2026Jun 2, 2026View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
2,55813,887May 14, 2026May 18, 2026View →
LOAR
LOAR HOLDINGS INC.
PURCHASE
See Remarks
36,434$67.45$2.46M4,087,005Mar 12, 2026Mar 12, 2026View →
LOAR
LOAR HOLDINGS INC.
PURCHASE
See Remarks
36,434$67.45$2.46M4,087,005Mar 12, 2026Mar 13, 2026View →
LOAR
LOAR HOLDINGS INC.
PURCHASE
See Remarks
4,166$67.49$281.2K4,050,571Mar 11, 2026Mar 12, 2026View →
LOAR
LOAR HOLDINGS INC.
PURCHASE
See Remarks
4,166$67.49$281.2K4,050,571Mar 11, 2026Mar 13, 2026View →
LOAR
LOAR HOLDINGS INC.
PURCHASE
See Remarks
3,400$67.41$229.2K4,046,405Mar 10, 2026Mar 12, 2026View →
LOAR
LOAR HOLDINGS INC.
PURCHASE
See Remarks
3,400$67.41$229.2K4,046,405Mar 10, 2026Mar 13, 2026View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
299$104.29$31.2K11,329Mar 1, 2026Mar 3, 2026View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
278$112.23$31.2K11,030Dec 1, 2025Dec 3, 2025View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
225$138.68$31.2K10,752Sep 1, 2025Sep 3, 2025View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
290$107.68$31.2K10,527Jun 1, 2025Jun 3, 2025View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
1,70710,237May 27, 2025May 29, 2025View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASE
5,000$109.67$548.4K5,000May 27, 2025May 29, 2025View →
LOAR
LOAR HOLDINGS INC.
SALE
See Remarks
88,767$80.91$7.18M4,043,005May 19, 2025May 19, 2025View →
LOAR
LOAR HOLDINGS INC.
SALE
See Remarks
589,605$80.91$47.70M4,131,772May 16, 2025May 19, 2025View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
224$138.99$31.1K8,530Mar 1, 2025Mar 18, 2025View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
224$138.99$31.1K8,530Feb 28, 2025Mar 4, 2025View →
LOAR
LOAR HOLDINGS INC.
SALE
See Remarks
126,960$81.18$10.31M4,721,377Dec 12, 2024Dec 16, 2024View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
167$186.47$31.1K8,306Dec 1, 2024Dec 3, 2024View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
179$174.00$31.1K8,139Sep 1, 2024Sep 4, 2024View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
1,1947,960Jun 4, 2024Jun 4, 2024View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
194$160.79$31.2K6,766Jun 1, 2024Jun 4, 2024View →
LOAR
LOAR HOLDINGS INC.
PURCHASEGRANT
Stock grant
142,000284,000Apr 24, 2024Apr 26, 2024View →
LOAR
LOAR HOLDINGS INC.
PURCHASEGRANT
Stock grant
142,000142,000Apr 24, 2024Apr 26, 2024View →
LOAR
LOAR HOLDINGS INC.
PURCHASEGRANT
Stock grant
142,000710,000Apr 24, 2024Apr 26, 2024View →
LOAR
LOAR HOLDINGS INC.
PURCHASEGRANT
Stock grant
142,000426,000Apr 24, 2024Apr 26, 2024View →
LOAR
LOAR HOLDINGS INC.
PURCHASEGRANT
Stock grant
142,000568,000Apr 24, 2024Apr 26, 2024View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
156$199.98$31.2K6,572Mar 1, 2024Mar 5, 2024View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
224$139.28$31.2K6,416Dec 1, 2023Dec 5, 2023View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
210$148.74$31.2K6,192Sep 1, 2023Sep 6, 2023View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
1,4465,982Jun 14, 2023Jun 16, 2023View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
269$115.86$31.2K4,536Jun 1, 2023Jun 5, 2023View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
306$85.76$26.2K4,267Mar 1, 2023Mar 3, 2023View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
411$63.73$26.2K3,961Dec 1, 2022Dec 5, 2022View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
828$58.76$48.7K3,550Sep 1, 2022Sep 6, 2022View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
2,7222,722Jun 14, 2022Jun 16, 2022View →
Other insiders · BLDR
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About this filer
CIK 0001335344
ROLE
Director
PRIMARY
BLDR
COMPANIES
2
ACTIVE SINCE
Jun 2022
MARKETPEEL · /INSIDER/0001335344DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
FREE · DAILY · 6 AM ET

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