Phillips 66 press release

INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of HF Sinclair Corporation - DINO

2026-03-11

NYSE - New York Stock Exchange · Oil · Natural Gas Liquids · Natural Gas · Sulfur · Graphite · Bitumen · United States · Legal Matters

NEW YORK CITY, NY / ACCESS Newswire/ March 11, 2026 / Pomerantz LLP is investigating claims on behalf of investors of HF Sinclair Corporation ("HF Sinclair" or the "Company") (NYSE:DINO). Such investors are advised to contact Danielle Peyton at newaction@pomlaw.comor 646-581-9980, ext. 7980.

The investigation concerns whether HF Sinclair and certain of its officers and/or directors have engaged in securities fraud or other unlawful business practices.

[[Click here for information about joining the class action]](https://pr.report/jgw1)

On February 18, 2026, HF Sinclair announced that Chief Executive Officer and President Tim Go would "take a voluntary leave of absence from his duties" without disclosing a reason.

On this news, HF Sinclair's stock price fell $6.28 per share, or 10.86%, to close at $51.57 per share on February 18, 2026.

Pomerantz LLP, with offices in New York, Chicago, Los Angeles, London, Paris, and Tel Aviv, is acknowledged as one of the premier firms in the areas of corporate, securities, and antitrust class litigation. Founded by the late Abraham L. Pomerantz, known as the dean of the class action bar, Pomerantz pioneered the field of securities class actions. Today, more than 85 years later, Pomerantz continues in the tradition he established, fighting for the rights of the victims of securities fraud, breaches of fiduciary duty, and corporate misconduct. The Firm has recovered numerous multimillion-dollar damages awards on behalf of class members. Seewww.pomlaw.com.

Attorney advertising. Prior results do not guarantee similar outcomes.

SOURCE: Pomerantz LLP

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