DINO 8-K: Board change

Filed with the SEC on Nov 12, 2026 · accession 0001628280-26-073498

DINO filed a 8-K (current report) with the SEC on Nov 12, 2026. HF Sinclair Corporation expanded its Board of Directors from ten to eleven members and appointed Steve Ledbetter as a non-independent director, effective November 10, 2026.

Summary of the filing

HF Sinclair Corporation expanded its Board of Directors from ten to eleven members and appointed Steve Ledbetter as a non-independent director, effective November 10, 2026. Ledbetter will also serve on the Executive Committee of the Board.

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Key details

RegistrantHF Sinclair Corporation

DirectorSteve Ledbetter

Senior vice president, general counselMatthew H. Marchant

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Frequently asked questions

What did DINO file with the SEC on Nov 12, 2026?

DINO filed a 8-K (Board change). HF Sinclair Corporation expanded its Board of Directors from ten to eleven members and appointed Steve Ledbetter as a non-independent director, effective November 10, 2026. Ledbetter will also serve on the Executive Committee of the Board.

What does a board change mean for DINO stock?

Not always. A planned retirement with a successor is usually calm; a sudden departure “effective immediately”, especially of a CFO or near results, often worries investors.

How do I read a 8-K?

A report of a major event, filed within four business days: results, deals, leadership changes, bankruptcy and more. The "Item" number tells you the topic (e.g. 2.02 results, 5.02 executive change, 1.01 new agreement, 1.03 bankruptcy). Exhibits (99.1 press release) usually hold the details.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A 8-K (current report): A report of a major event, filed within four business days: results, deals, leadership changes, bankruptcy and more.

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