William Bradley Southern is the Chief Executive Officer (CEO) of Louisiana-Pacific Corporation (LPX), a leading manufacturer of building products including oriented strand board (OSB), engineered wood siding, trim, and sheathing panels.( Based in Nashville, TN, he currently owns approximately 489,215 to 596,886 shares of LPX stock, valued at over $46-51 million as of recent filings.(

Southern has a history of leadership within LPX, previously serving as Senior Vice President before ascending to CEO.( His career also includes a director role at Astec Industries Inc (ASTE).( Recent insider activity includes multiple stock sales under a pre-arranged 10b5-1 plan, such as $6.39 million worth in January 2026 (69,212 shares) and earlier transactions totaling over $10 million, reducing his stake while retaining significant ownership.(

Written by Perplexity from public sources.

Filings come from SEC EDGAR. Not investment advice.