Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| No transactions found | ||||||||||
Mark A. Alexander currently holds 44,647 shares of Builders FirstSource, Inc. (BLDR), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Mark A. Alexander has been a net buyer of BLDR stock. They have purchased $1.7M and sold $0 worth of shares.
Mark A. Alexander's most recent insider trade was on Dec 1, 2025, when they sold 278 shares at $112.23 per share.
Mark A. Alexander serves as Executive at Builders FirstSource, Inc. (BLDR). They have executed 67 insider transactions totaling $1.7M over their tenure at the company.
Mark A. Alexander holds the position of Executive at Builders FirstSource, Inc., where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 20 years and currently hold a stake valued at $0.
Mark A. Alexander has shown a buying trading pattern, with $1.7M in total purchases and $0 in total sales across all transactions. Their most recent activity indicates a tendency to accumulate shares.
The largest transaction by Mark A. Alexander was on May 19, 2020, when they purchased $235.1K worth of WPC shares. This transaction involved 4,000 shares at $58.78 per share.
Mark A. Alexander currently owns 44,647 shares of Builders FirstSource, Inc. (BLDR), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Mark A. Alexander's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Mark A. Alexander has 67 Form 4 filings on record as an insider at Builders FirstSource, Inc..
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