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DR

David E. Rush

BLDR
INTERIM CEO · BUILDERS FIRSTSOURCE, INC. · CIK 0001760672
FILING MIX · LIFETIME44%/56%
BUYS
17
SELLS
22
TOTAL VALUE
$16.03M
COMPANIES
2
ACTIVE SINCE
Mar 2020
HOLDINGS NOW
129,015
AVG SELL PX
$83.62
TRADE KIND
SHOWING 39 / 39
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
6 backtested trades · 8 horizons · 9 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by David E. Rush, 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+66.67%-2.40%-0.89%-1.51%-2.92%—
14d6+50.00%-3.29%-1.84%-1.19%-1.61%—
30d6+66.67%-2.58%-0.22%-2.35%-5.31%—
60d6(1 pending)+40.00%+4.30%+1.66%+2.64%+2.84%—
90d6(1 pending)+60.00%+9.84%+6.96%+2.88%+4.19%—
180d6(1 pending)+0.00%+19.94%+12.12%+7.82%-7.14%—
1y6(2 pending)+25.00%+35.06%+29.26%+5.79%+6.73%—
2y6(4 pending)+0.00%+144.16%+26.80%+117.36%+117.36%—
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 · 124,842 shares · as of May 14, 2026
040,31480,628120,941161,255202120222023202420252026SHARES HELD
Trading cadence · quarterly flow
BUY ● SELL ●
2020
2020
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 17 buys / 22 sellsCOVERAGE · 26 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
2,558——124,842May 14, 2026May 18, 2026 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
SALE
5,000$78.17$390.9K122,284May 8, 2026May 12, 2026 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
SALE
2,332$88.09$205.4K127,284Mar 15, 2026Mar 17, 2025 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
SALEGRANT
Gift
1,000——129,616Dec 4, 2025Dec 8, 2025 ↗View →
EXP
EAGLE MATERIALS INC
PURCHASE
1,000$208.08$208.1K4,173Nov 5, 2025Nov 7, 2025 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
SALE
13,402$121.25$1.62M130,616Oct 1, 2025Oct 3, 2025 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
24,307$121.25$2.95M144,018Oct 1, 2025Oct 3, 2025 ↗View →
EXP
EAGLE MATERIALS INC
PURCHASEGRANT
Stock grant
1,173——3,173Aug 4, 2025Aug 6, 2025 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
1,707——119,711May 27, 2025May 29, 2025 ↗View →
EXP
EAGLE MATERIALS INC
PURCHASE
1,000$213.66$213.7K2,000May 22, 2025May 23, 2025 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
260——118,004Apr 15, 2025Apr 17, 2025 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
SALE
5,587$126.19$705.0K117,744Mar 15, 2025Mar 18, 2025 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
SALE
18,000$140.82$2.53M123,331Feb 27, 2025Mar 3, 2025 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
SALEGRANT
Gift
2,000——141,331Feb 27, 2025Mar 3, 2025 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
SALEGRANT
Gift
4,000——143,331Dec 6, 2024Dec 10, 2024 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
SALE
President & CEO
3,561$195.49$696.1K131,985Mar 15, 2024Mar 19, 2024 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
15,346——147,331Mar 15, 2024Mar 19, 2024 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
SALEGRANT
Gift
1,500——135,546Mar 5, 2024Mar 5, 2024 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
SALE
President & CEO
3,151$134.36$423.4K137,046Nov 20, 2023Nov 22, 2023 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
SALEGRANT
Gift
1,000——158,575Aug 9, 2023Aug 11, 2023 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
SALE
CEO
1,680$79.53$133.6K159,575Mar 15, 2023Mar 17, 2023 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
25,988——161,255Mar 15, 2023Mar 17, 2023 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
36,326——153,758Mar 1, 2023Mar 3, 2023 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
SALE
CEO
18,491$85.76$1.59M135,267Mar 1, 2023Mar 3, 2023 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
SALE
Interim CEO
27,894$64.88$1.81M117,432Jan 1, 2023Jan 4, 2023 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
24,505——126,948Jan 1, 2023Nov 22, 2023 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
SALE
President & CEO
27,894$64.88$1.81M99,054Jan 1, 2023Nov 22, 2023 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
SALE
Interim CEO
261$64.20$16.8K82,842Nov 20, 2022Nov 22, 2022 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
7,788——83,103Nov 20, 2022Nov 22, 2022 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
36,756——98,611Jan 1, 2021Jan 5, 2021 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASE
SVP - COO - East
9,108$7.67$69.9K70,963Sep 4, 2020Sep 9, 2020 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
SALE
SVP - COO - East
9,108——0Sep 4, 2020Sep 9, 2020 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
SALE
SVP - COO - East
9,108$30.58$278.5K61,855Sep 4, 2020Sep 9, 2020 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
SALE
SVP - COO - East
10,000——9,108Jun 4, 2020Jun 8, 2020 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASE
SVP - COO - East
10,000$7.67$76.7K71,855Jun 4, 2020Jun 8, 2020 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
SALE
SVP - COO - East
10,000$22.30$223.0K61,855Jun 4, 2020Jun 8, 2020 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
5,734——65,133Mar 1, 2020Mar 3, 2020 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
SALE
SVP - COO - East
3,278$22.71$74.4K61,855Mar 1, 2020Mar 3, 2020 ↗View →
BLDR
BUILDERS FIRSTSOURCE, INC.
PURCHASEGRANT
Stock grant
16,513——59,399Mar 1, 2020Mar 3, 2020 ↗View →
Other insiders · BLDR
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About this filer
CIK 0001760672
ROLE
Interim CEO
PRIMARY
BLDR
COMPANIES
2
ACTIVE SINCE
Mar 2020
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