Mark A. Alexander

Companies

• Builders FirstSourceBoard member Jan 5, 2021 to now¹
• W. P. Carey & Co.Board member Sep 30, 2016 to now²
• SUBURBAN PROPANE PARTNERS LPBoard member Oct 20, 2006 to Dec 15, 2008³
• SUBURBAN PROPANE PARTNERS LPChief executive officer Oct 20, 2006 to Dec 15, 2008³

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• BFBuilders FirstSource BLDR47,913 shares⁴$2.6M at $54.80Jun 1, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Jun 1, 2026Granted 409 shares at $76.26 of Builders FirstSource⁴
• May 14, 2026Granted 2,558 shares of Builders FirstSource⁵
• Mar 1, 2026Granted 299 shares at $104.29 of Builders FirstSource⁶
• Dec 1, 2025Granted 278 shares at $112.23 of Builders FirstSource⁷
• Oct 1, 2025Granted 438 shares at $68.47 of CIK 1025378⁸
• Sep 1, 2025Granted 225 shares at $138.68 of Builders FirstSource⁹
• Jul 1, 2025Granted 476 shares at $62.99 of CIK 1025378¹⁰
• Jul 1, 2025Granted 2,778 shares of CIK 1025378¹⁰
• Jun 1, 2025Granted 290 shares at $107.68 of Builders FirstSource¹¹
• May 27, 2025Granted 1,707 shares of Builders FirstSource¹²
• Apr 1, 2025Granted 475 shares at $63.03 of CIK 1025378¹³
• Mar 1, 2025Granted 224 shares at $138.99 of Builders FirstSource¹⁴
• Feb 28, 2025Granted 224 shares at $138.99 of Builders FirstSource¹⁵
• Jan 2, 2025Granted 552 shares at $54.29 of CIK 1025378¹⁶
• Dec 1, 2024Granted 167 shares at $186.47 of Builders FirstSource¹⁷
• Nov 1, 2024Bought 5,000 shares at $55.29 of CIK 1025378¹⁸
• Oct 1, 2024Granted 489 shares at $61.32 of CIK 1025378¹⁹
• Sep 1, 2024Granted 179 shares at $174.00 of Builders FirstSource²⁰
• Aug 16, 2024Bought 2,000 shares at $57.03 of CIK 1025378²¹
• Aug 9, 2024Bought 3,500 shares at $55.87 of CIK 1025378²²
• Jul 1, 2024Granted 663 shares at $54.63 of CIK 1025378²³
• Jul 1, 2024Granted 3,203 shares of CIK 1025378²³
• Jun 4, 2024Granted 1,194 shares of Builders FirstSource²⁴
• Jun 1, 2024Granted 194 shares at $160.79 of Builders FirstSource²⁴
• Apr 5, 2024Granted 655 shares at $55.27 of CIK 1025378²⁵