--- schema_version: "secwatch.filing_event.v1" accession: "0001316835-26-000004" form_type: "8-K" ticker: "BLDR" cik: "0001316835" company_name: "Builders FirstSource, Inc." filed_at: "2026-05-18T20:15:16+00:00" generated_at: "2026-05-18T21:14:52.244870+00:00" event_type: "leadership" sentiment: "neutral" materiality_score: 0.4 calibrated_materiality_score: 0.4 confidence: "high" source: SEC EDGAR --- # BLDR announces COO and CHRO succession; Hiller named COO-Designate, O'Brien CHRO ## Summary - Mike Hiller appointed COO-Designate effective May 18, 2026, to succeed Steve Herron upon his retirement Dec. 31, 2026. - Steve Herron, COO since March 2023, retires after over 15 years with the company. - Hiller previously served as Chief Talent Officer and President – Central Division; over 25 years in building materials. - Coley O'Brien appointed Chief Human Resources Officer effective May 18, 2026; joins from Wendy's where he was Chief People Officer. - Annual meeting results: all director nominees elected, advisory say-on-pay approved, 2026 equity and ESPP plans approved. ## SEC filing metadata - accession: 0001316835-26-000004 - form_type: 8-K - ticker: BLDR - cik: 0001316835 - company_name: Builders FirstSource, Inc. - filed_at: 2026-05-18T20:15:16+00:00 - event_type: leadership - sentiment: neutral - materiality_score: 0.4 - calibrated_materiality_score: 0.4 - confidence: high - sec_items: 5.02, 5.07, 7.01, 9.01 - EDGAR index: https://www.sec.gov/Archives/edgar/data/1316835/000131683526000004/0001316835-26-000004-index.htm - EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1316835/000131683526000004/bldr-20260514.htm ## Machine-readable alternates - HTML: https://secwatch.observer/filing/0001316835-26-000004 - JSON: https://secwatch.observer/filing/0001316835-26-000004.json - Plain text: https://secwatch.observer/filing/0001316835-26-000004.txt ## Key facts - Executive change Coley O'Brien was appointed as Chief Human Resources Officer at Builders FirstSource, Inc.. - Action: appointed - Role: Chief Human Resources Officer source text: the Board appointed Coley O'Brien to succeed Mr. Hiller as Chief Human Resources Officer, effective May 18, 2026. evidence_url: https://www.sec.gov/Archives/edgar/data/1316835/000131683526000004/0001316835-26-000004-index.htm - Executive change Steve Herron departed as Chief Operating Officer at Builders FirstSource, Inc.. - Action: retiring - Role: Chief Operating Officer source text: Mr. Herron has served as Chief Operating Officer of the Company since March 2023 and is retiring after over 15 years of dedicated service to the Company. evidence_url: https://www.sec.gov/Archives/edgar/data/1316835/000131683526000004/0001316835-26-000004-index.htm - Executive change Mike Hiller was appointed as Chief Operating Officer-Designate at Builders FirstSource, Inc.. - Action: appointed - Role: Chief Operating Officer-Designate source text: appointed Mike Hiller, Chief Talent Officer of the Company, as Chief Operating Officer-Designate effective May 18, 2026. evidence_url: https://www.sec.gov/Archives/edgar/data/1316835/000131683526000004/0001316835-26-000004-index.htm - Shareholder Votes Builders FirstSource, Inc. shareholders approved Approval of the Builders FirstSource, Inc. 2026 Equity Incentive Plan at the 2026-05-18 meeting. - Proposal: equity plan - Outcome: passed - Meeting: 2026-05-18 source text: Proposal No. 4: Approval of the Builders FirstSource, Inc. 2026 Equity Incentive Plan. The proposal to approve the Builders FirstSource, Inc. 2026 Equity Incentive Plan was approved. For Against Abstain Broker Non-Vote 86,712,552 1,885,973 130,947 8,827,912 evidence_url: https://www.sec.gov/Archives/edgar/data/1316835/000131683526000004/0001316835-26-000004-index.htm - Shareholder Votes Builders FirstSource, Inc. shareholders approved Election of Directors at the 2026-05-18 meeting. - Proposal: director election - Outcome: passed - Meeting: 2026-05-18 source text: Proposal No. 1: Election of Directors. Nominee For Against Abstain Broker Non-Vote Paul S. Levy 83,059,970 5,605,020 64,482 8,827,912 Cheryl Ainoa 88,396,041 268,996 64,435 8,827,912 Cory J. Boydston 85,157,525 3,454,536 117,411 8,827,912 James O'Leary 87,641,001 1,023,805 64,666 8,827,912 Maria Renz 88,379,287 285,903 64,282 8,827,912 Craig Steinke 76,271,469 12,364,061 93,942 8,827,912 evidence_url: https://www.sec.gov/Archives/edgar/data/1316835/000131683526000004/0001316835-26-000004-index.htm - Shareholder Votes Builders FirstSource, Inc. shareholders approved Advisory vote on the 2025 compensation of the Company's named executive officers at the 2026-05-18 meeting. - Proposal: say on pay - Outcome: passed - Meeting: 2026-05-18 source text: Proposal No. 2: Advisory vote on the 2025 compensation of the Company's named executive officers. For Against Abstain Broker Non-Vote 86,126,013 2,333,519 269,940 8,827,912 evidence_url: https://www.sec.gov/Archives/edgar/data/1316835/000131683526000004/0001316835-26-000004-index.htm - Shareholder Votes Builders FirstSource, Inc. shareholders approved Ratification of the appointment of PricewaterhouseCoopers LLP as the Company's independent registered public accounting firm for year 2026 at the 2026-05-18 meeting. - Proposal: auditor ratification - Outcome: passed - Meeting: 2026-05-18 source text: Proposal No. 3: Ratification of the appointment of PricewaterhouseCoopers LLP as the Company's independent registered public accounting firm for year 2026. For Against Abstain Broker Non-Vote 93,169,372 4,333,634 54,378 0 evidence_url: https://www.sec.gov/Archives/edgar/data/1316835/000131683526000004/0001316835-26-000004-index.htm - Shareholder Votes Builders FirstSource, Inc. shareholders approved Approval of the Builders FirstSource, Inc. Employee Stock Purchase Plan at the 2026-05-18 meeting. - Proposal: equity plan - Outcome: passed - Meeting: 2026-05-18 source text: Proposal No. 5: Approval of the Builders FirstSource, Inc. Employee Stock Purchase Plan. The proposal to approve the Builders FirstSource, Inc. Employee Stock Purchase Plan was approved. For Against Abstain Broker Non-Vote 88,304,284 369,902 55,286 8,827,912 evidence_url: https://www.sec.gov/Archives/edgar/data/1316835/000131683526000004/0001316835-26-000004-index.htm This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.