Mark A Alexander insider trades

Open-market stock purchases and sales by Mark A Alexander, Unknown at Builders FirstSource, Inc, from SEC Form 4 filings since Dec 31, 2009.

Track record: 88% of 8 scored buys are up 5% or more since purchase, averaging +21%.

Recent trades

DateStockTradeValue
Jun 1, 2026BLDR Builders FirstSource, IncBought (not open market)$31.2K
May 14, 2026BLDR Builders FirstSource, IncBought (not open market)—
Mar 1, 2026BLDR Builders FirstSource, IncBought (not open market)$31.2K
Dec 1, 2025BLDR Builders FirstSource, IncBought (not open market)$31.2K

Companies traded

  • BLDR Builders FirstSource, Inc: other filings, last Jun 1, 2026
  • WPC W. P. Carey Inc: 9 buys, last Oct 1, 2025
  • BMCH BMC Stock Holdings, Inc: other filings, last Jan 1, 2021
  • KDN Kaydon Corp: 1 buy, last Oct 16, 2013

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