Builders FirstSource, Inc.
| Security | BLDR / Builders FirstSource, Inc. |
| Insider | Mark A Alexander |
This page shows the track record and history of ALEXANDER MARK A
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 Mark A Alexander 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 ($) |
Max Return (%) |
|---|---|---|---|---|---|---|---|
| There are no known unplanned open-market trades for this insider |
Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.
Insider Sales - Short Term Loss Analysis
In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Mark A Alexander in BLDR / Builders FirstSource, Inc.. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.
The following table shows the most recent open market purchases that were not part of an automatic trading plan.
| Trade Date | Reported Shares |
Reported Price |
Adjusted Shares |
Adjusted Price |
Cost Basis | Days to Min |
Price at Min |
Max Loss Avoided ($) |
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.
Insider Transaction History
| File Date |
Trade Date |
Form | Insider | Ticker | Security Title | Code | Direct | Exercise Price |
Unit Price |
Units Changed |
Value Changed (1K) |
Remaining Options |
Remaining Shares |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-09-03 | 2025-09-01 | 4 | ALEXANDER MARK A | BLDR | Common Stock, par value $0.01 per share | D | 138.6800 | 225 | 31 | 44,369 | ||||
| 2025-06-03 | 2025-06-01 | 4 | ALEXANDER MARK A | BLDR | Common Stock, par value $0.01 per share | D | 107.6800 | 290 | 31 | 44,144 | ||||
| 2025-05-29 | 2025-05-27 | 4 | ALEXANDER MARK A | BLDR | Common Stock, par value $0.01 per share | D | 1,707 | 43,854 | ||||||
| 2025-03-18 | 2025-03-01 | 4/A | ALEXANDER MARK A | BLDR | Common Stock, par value $0.01 per share | D | 138.9900 | 224 | 31 | 42,147 | ||||
| 2025-03-04 | 2025-02-28 | 4 | ALEXANDER MARK A | BLDR | Common Stock, par value $0.01 per share | D | 138.9900 | 224 | 31 | 42,147 | ||||
| 2024-12-03 | 2024-12-01 | 4 | ALEXANDER MARK A | BLDR | Common Stock, par value $0.01 per share | D | 186.4700 | 167 | 31 | 41,923 | ||||
| 2024-09-04 | 2024-09-01 | 4 | ALEXANDER MARK A | BLDR | Common Stock, par value $0.01 per share | D | 174.0000 | 179 | 31 | 41,756 | ||||
| 2024-06-04 | 2024-06-04 | 4 | ALEXANDER MARK A | BLDR | Common Stock, par value $0.01 per share | D | 1,194 | 41,577 | ||||||
| 2024-06-04 | 2024-06-01 | 4 | ALEXANDER MARK A | BLDR | Common Stock, par value $0.01 per share | D | 160.7900 | 194 | 31 | 40,383 | ||||
| 2024-03-05 | 2024-03-01 | 4 | ALEXANDER MARK A | BLDR | Common Stock, par value $0.01 per share | D | 199.9800 | 156 | 31 | 40,189 | ||||
| 2023-12-05 | 2023-12-01 | 4 | ALEXANDER MARK A | BLDR | Common Stock, par value $0.01 per share | D | 139.2800 | 224 | 31 | 40,033 | ||||
| 2023-09-06 | 2023-09-01 | 4 | ALEXANDER MARK A | BLDR | Common Stock, par value $0.01 per share | D | 148.7400 | 210 | 31 | 39,809 | ||||
| 2023-06-16 | 2023-06-14 | 4 | ALEXANDER MARK A | BLDR | Common Stock, par value $0.01 per share | D | 1,446 | 39,599 | ||||||
| 2023-06-05 | 2023-06-01 | 4 | ALEXANDER MARK A | BLDR | Common Stock, par value $0.01 per share | D | 115.8600 | 269 | 31 | 38,153 | ||||
| 2023-03-03 | 2023-03-01 | 4 | ALEXANDER MARK A | BLDR | Common Stock, par value $0.01 per share | D | 85.7600 | 306 | 26 | 37,884 | ||||
| 2022-12-05 | 2022-12-01 | 4 | ALEXANDER MARK A | BLDR | Common Stock, par value $0.01 per share | D | 63.7300 | 411 | 26 | 37,578 | ||||
| 2022-09-06 | 2022-09-01 | 4 | ALEXANDER MARK A | BLDR | Common Stock, par value $0.01 per share | D | 58.7600 | 446 | 26 | 37,167 | ||||
| 2022-06-16 | 2022-06-14 | 4 | ALEXANDER MARK A | BLDR | Common Stock, par value $0.01 per share | D | 2,722 | 36,721 | ||||||
| 2022-06-03 | 2022-06-01 | 4 | ALEXANDER MARK A | BLDR | Common Stock, par value $0.01 per share | D | 63.8100 | 411 | 26 | 33,999 | ||||
| 2022-03-03 | 2022-03-01 | 4 | ALEXANDER MARK A | BLDR | Common Stock, par value $0.01 per share | D | 73.0500 | 359 | 26 | 33,588 | ||||
| 2021-12-03 | 2021-12-01 | 4 | ALEXANDER MARK A | BLDR | Common Stock, par value $0.01 per share | D | 70.2200 | 373 | 26 | 33,229 | ||||
| 2021-09-03 | 2021-09-01 | 4 | ALEXANDER MARK A | BLDR | Common Stock, par value $0.01 per share | D | 53.5900 | 489 | 26 | 32,856 | ||||
| 2021-06-17 | 2021-06-15 | 4 | ALEXANDER MARK A | BLDR | Common Stock, par value $0.01 per share | D | 3,459 | 32,367 | ||||||
| 2021-06-03 | 2021-06-01 | 4 | ALEXANDER MARK A | BLDR | Common Stock, par value $0.01 per share | D | 44.4700 | 590 | 26 | 28,908 | ||||
| 2021-03-02 | 2021-03-01 | 4 | ALEXANDER MARK A | BLDR | Common Stock, par value $0.01 per share | D | 44.8400 | 951 | 43 | 28,318 | ||||
| 2021-01-20 | 2021-01-15 | 4 | ALEXANDER MARK A | BLDR | Common Stock, par value $0.01 per share | D | 1,660 | 27,367 | ||||||
| 2021-01-05 | 2021-01-01 | 4 | ALEXANDER MARK A | BLDR | Common Stock, par value $0.01 per share | D | 25,707 | 25,707 |
P
Åbent marked eller privat køb af ikke-afledte eller afledte værdipapirer
S
Åbent marked eller privat salg af ikke-afledte eller afledte værdipapirer
A
Tildeling, tildeling eller anden erhvervelse af værdipapirer fra virksomheden (såsom en option)
C
Konvertering af derivat
D
Salg eller overførsel af værdipapirer tilbage til virksomheden
F
Betaling af udnyttelseskurs eller skatteforpligtelse ved brug af en del af værdipapirer modtaget fra selskabet
G
Gave af værdipapirer af eller til insideren
K
Aktieswaps og lignende sikringstransaktioner
M
Udnyttelse eller konvertering af afledt værdipapir modtaget fra virksomheden (såsom en option)
V
En transaktion rapporteret frivilligt på formular 4
J
Andet (ledsaget af en fodnote, der beskriver transaktionen)
