Builders FirstSource, Inc.
US ˙ NYSE ˙ US12008R1077

SecurityBLDR / Builders FirstSource, Inc.
InsiderDirkson R Charles
This page shows the track record and history of Charles Dirkson R insider trades in Builders FirstSource, Inc.. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company. It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis

In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Dirkson R Charles in BLDR / Builders FirstSource, Inc.. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Max
Price at
Max
Max
Profit ($)
Max Return (%)
2025-05-27 5,000 109.6700 5,000 109.6700 548,350 101 149.2100 197,700 36.05

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

BLDR / Builders FirstSource, Inc. Insider Trades
Insider Sales - Short Term Loss Analysis

In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Dirkson R Charles in BLDR / Builders FirstSource, Inc.. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Min
Price at
Min
Max Loss
Avoided ($)
Max Loss
Avoided (%)
There are no known unplanned open-market trades for this insider

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

BLDR / Builders FirstSource, Inc. Insider Trades
Insider Transaction History
File
Date
Trade
Date
Form Insider Ticker Security Title Code 10b5-1 Direct Exercise
Price
Unit
Price
Units
Changed
Value
Changed (1K)
Remaining
Options
Remaining
Shares
2025-09-03 2025-09-01 4 Charles Dirkson R BLDR Common Stock, par value $0.01 per share A - Award D 138.6800 225 31 10,752
2025-06-03 2025-06-01 4 Charles Dirkson R BLDR Common Stock, par value $0.01 per share A - Award D 107.6800 290 31 10,527
2025-05-29 2025-05-27 4 Charles Dirkson R BLDR Common Stock, par value $0.01 per share A - Award D 1,707 10,237
2025-05-29 2025-05-27 4 Charles Dirkson R By trust BLDR Common Stock, par value $0.01 per share P - Purchase I 109.6700 5,000 548 5,000
2025-03-18 2025-03-01 4/A Charles Dirkson R BLDR Common Stock, par value $0.01 per share A - Award D 138.9900 224 31 8,530
2025-03-04 2025-02-28 4 Charles Dirkson R BLDR Common Stock, par value $0.01 per share A - Award D 138.9900 224 31 8,530
2024-12-03 2024-12-01 4 Charles Dirkson R BLDR Common Stock, par value $0.01 per share A - Award D 186.4700 167 31 8,306
2024-09-04 2024-09-01 4 Charles Dirkson R BLDR Common Stock, par value $0.01 per share A - Award D 174.0000 179 31 8,139
2024-06-04 2024-06-04 4 Charles Dirkson R BLDR Common Stock, par value $0.01 per share A - Award D 1,194 7,960
2024-06-04 2024-06-01 4 Charles Dirkson R BLDR Common Stock, par value $0.01 per share A - Award D 160.7900 194 31 6,766
2024-03-05 2024-03-01 4 Charles Dirkson R BLDR Common Stock, par value $0.01 per share A - Award D 199.9800 156 31 6,572
2023-12-05 2023-12-01 4 Charles Dirkson R BLDR Common Stock, par value $0.01 per share A - Award D 139.2800 224 31 6,416
2023-09-06 2023-09-01 4 Charles Dirkson R BLDR Common Stock, par value $0.01 per share A - Award D 148.7400 210 31 6,192
2023-06-16 2023-06-14 4 Charles Dirkson R BLDR Common Stock, par value $0.01 per share A - Award D 1,446 5,982
2023-06-05 2023-06-01 4 Charles Dirkson R BLDR Common Stock, par value $0.01 per share A - Award D 115.8600 269 31 4,536
2023-03-03 2023-03-01 4 Charles Dirkson R BLDR Common Stock, par value $0.01 per share A - Award D 85.7600 306 26 4,267
2022-12-05 2022-12-01 4 Charles Dirkson R BLDR Common Stock, par value $0.01 per share A - Award D 63.7300 411 26 3,961
2022-09-06 2022-09-01 4 Charles Dirkson R BLDR Common Stock, par value $0.01 per share A - Award D 58.7600 828 49 3,550
2022-06-16 2022-06-14 4 Charles Dirkson R BLDR Common Stock, par value $0.01 per share A - Award D 2,722 2,722
P
Köp på öppna marknaden eller privat köp av icke-derivatsäkerhet
S
Köp på öppna marknaden eller privat försäljning av icke-derivatsäkerhet
A
Bevilja, tilldelning eller annat förvärv av värdepapper från företaget (såsom en option)
C
Omvandling av derivat
D
Försäljning eller överföring av värdepapper tillbaka til företaget
F
Betalning av lösenpris eller skatteskuld med del av värdepapper som erhållits från bolaget
G
Överlåtelse av värdepapper från eller till insidern
K
Aktieswappar och liknande säkringsaffärer
M
Utövande eller omvandling av derivatsäkerhet som erhållits från företaget (som en option)
V
En transaktion friviligt rapporterad på schema 4
J
Andra (med en fotnot som beskriver transaktionen)