Builders FirstSource, Inc.: appoints Mike Hiller as COO-designate

What happened

• On May 18, 2026, Builders FirstSource, Inc. filed a Current Report on Form 8-K announcing that its board appointed Mike Hiller, the company’s chief talent officer, as chief operating officer-designate effective May 18, 2026, and that Mr. Hiller will succeed Steve Herron as chief operating officer effective Dec 31, 2026.

Key details

• Filing date: May 18, 2026.
• Appointee: Mike Hiller, current chief talent officer, appointed chief operating officer-designate effective May 18, 2026.
• Succession date: Mr. Hiller will succeed Steve Herron as chief operating officer effective Dec 31, 2026.
• Reported on Form 8-K under Item 5.02.

Why it may matter

• The filing reported Item 5.02, which covers departure of directors or certain officers and election of directors, and states the appointment and planned succession dates in the company’s own words. The filing does not explain why the insider traded or why the company acted.