Welcome to our dedicated page for HF Sinclair SEC filings (Ticker: DINO), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Refinery margins shift by the day, environmental rules evolve even faster, and HF Sinclair’s disclosures run hundreds of pages. If you have ever searched for “HF Sinclair insider trading Form 4 transactions” or wondered which refinery outage drives a sudden share-price move, you know the challenge of decoding this energy giant’s SEC paperwork.
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HF Sinclair Corporation (NYSE: DINO) has submitted a Certification Filing (CERT) to the Securities and Exchange Commission on June 28, 2025. The filing was officially accepted by the SEC on June 25, 2025, at 15:16:45 UTC.
A CERT filing typically contains certifications from company executives (usually CEO and CFO) attesting to the accuracy of financial statements and disclosures, as required by securities regulations. These certifications are crucial components of corporate governance and compliance with the Sarbanes-Oxley Act.
Note: The specific content of the certification is not provided in the available filing data. Investors should refer to the complete PDF document for detailed certification statements and attestations.
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