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.
HF Sinclair Corporation filings document the regulatory record for an independent energy company with common stock registered under the symbol DINO on the New York Stock Exchange and NYSE Texas. The company’s 8-K reports furnish operating results, financial-condition updates, dividend announcements, Regulation FD presentations, and capital and turnaround spending disclosures tied to refining, renewables, lubricants and specialties, marketing, midstream and corporate categories.
HF Sinclair’s proxy and material-event filings also cover governance matters, shareholder voting, executive appointments, compensation arrangements, and board committee oversight. Risk-related disclosures address energy-market conditions, crude oil and refined-product spreads, transportation constraints, refinery or pipeline interruptions, weather events, regulatory matters, and other operating factors affecting its refining, marketing, renewables, lubricants and midstream businesses.
HF Sinclair Corp (DINO) reported that its Board of Directors authorized a new $1.5 billion share repurchase program, effective August 26, 2026. This new authorization replaces all existing repurchase authorizations, which had about $11 million remaining from a program first approved in May 2024.
Repurchases may occur in the open market, through privately negotiated transactions, or by other methods permitted under federal securities laws, including privately negotiated repurchases from REH Advisors Inc., subject to REH’s interest and other limits. The Board also authorized repurchases sufficient to offset shares issued under compensation programs. The timing and total amount repurchased will depend on market and corporate considerations, and the Board may discontinue the program at any time.
HF Sinclair Corp (symbol: DINO) is the issuer of record for a Form 4 filing submitted to the SEC.
HF Sinclair Corp CEO and director Franklin Myers purchased 15,000 shares of Common Stock on 2026-08-11 in an open-market or private transaction at a weighted average price of $85.30 per share, with individual trades between $85.20 and $85.35. Following this purchase, he directly holds 194,841 shares.
HF Sinclair Corp senior vice president and CHRO Dale Kunneman sold 8,936 shares of common stock on August 5, 2026 at $84.585 per share in an open-market or private transaction. Following the sale, he directly owns 42,561 shares. The Rule 10b5-1 trading-plan checkbox indicating trading under a prearranged plan was not marked.
DINO reporting person Symonds Wealth Management filed to potentially sell up to 8,936 shares of common stock, with an aggregate market value of $755,851.56, beginning on or after August 5, 2026 on the NYSE. Recent acquisitions disclosed include common shares received through dividend reinvestment transactions on March 19, 2025 (541 shares), June 2, 2025 (516 shares), and December 3, 2024 (246 shares), as well as a stock award of 7,633 common shares on December 1, 2024.
HF Sinclair Corp executive Matthew H. Marchant, SVP and General Counsel, reports direct beneficial ownership of 3,582 restricted stock units under the company’s Amended and Restated 2020 Long Term Incentive Plan. These units vest in tranches of 1,843 on December 1, 2026, 1,213 on December 1, 2027, and 526 on December 1, 2028, contingent on continued employment. Vested units will be settled in HF Sinclair common stock within 30 days after each vesting date.
REH Advisors Inc., whose representative Ross B. Matthews serves on HF Sinclair Corp’s board as a director by deputization, disposed of 2,375,000 shares of HF Sinclair Common Stock on August 2, 2026. The shares were sold back to HF Sinclair in a private transaction under a Stock Purchase Agreement at $89.41 per share, leaving REH Advisors Inc. with 8,881,662 shares held directly. The transaction was not reported as made under a Rule 10b5-1 trading plan.
HF Sinclair Corporation agreed to repurchase 2,375,000 shares of its common stock from REH Advisors Inc. at $89.41 per share, for an aggregate $212,348,750, in a privately negotiated transaction called the Twenty-Third Repurchase Transaction, expected to close on or about August 5, 2026, subject to customary conditions.
Following this transaction, REH Advisors reports beneficial ownership of 8,881,662 shares of HF Sinclair common stock, representing 5.1% of the class, with shared voting and dispositive power over all such shares, based on 177,783,849 shares outstanding as of July 24, 2026 adjusted for the repurchase. REH Advisors states it may from time to time sell or acquire additional shares, with a strong preference for sales to HF Sinclair, while currently intending to maintain sufficient ownership to retain the contractual right to appoint at least one director under a Stockholders Agreement.
HF Sinclair Corporation agreed to repurchase 2,375,000 shares of its common stock from REH Advisors Inc. at $89.41 per share, for an aggregate price of approximately $212 million, under a privately negotiated Stock Purchase Agreement dated August 2, 2026. The transaction will be funded with cash on hand, is expected to close on or around August 5, 2026, and the shares will be held as treasury stock.
In connection with this agreement, the Board increased the previously authorized $1 billion Share Repurchase Program by $15 million, effective July 31, 2026. The company has repurchased over $1 billion of common stock under this program, including this transaction, and reports approximately $11 million of repurchase authorization remaining. This is the twenty-second privately negotiated repurchase from REH under the program, which may be discontinued at any time and whose future activity will depend on market and other conditions.
Vanguard Portfolio Management LLC, together with certain affiliates, reports beneficial ownership of 8,913,994 shares of HF Sinclair Corp common stock on an amended Schedule 13G. This position represents 4.94% of the outstanding common stock, reflecting ownership of 5 percent or less of the class.
Vanguard Portfolio Management has sole voting power over 57,229 shares and sole dispositive power over 8,913,994 shares, with no shared voting or dispositive power. The holdings include securities held by Vanguard funds and managed client accounts over which these Vanguard entities exercise voting and/or dispositive authority. No other single person’s interest in these securities exceeds 5% of the class.