Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| No transactions found | ||||||||||
Robert J. Kostelnik currently holds 59,598 shares of HF Sinclair Corp (DINO), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Robert J. Kostelnik has been a net seller of DINO stock. They have purchased $0 and sold $92.4K worth of shares.
Robert J. Kostelnik's most recent insider trade was on Nov 12, 2025, when they sold 2,943 shares at $0.00 per share.
Robert J. Kostelnik serves as Executive at HF Sinclair Corp (DINO). They have executed 20 insider transactions totaling $92.4K over their tenure at the company.
Robert J. Kostelnik holds the position of Executive at HF Sinclair Corp, where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 15 years and currently hold a stake valued at $0.
Robert J. Kostelnik has shown a selling trading pattern, with $0 in total purchases and $92.4K in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Robert J. Kostelnik was on Jul 1, 2011, when they sold $228.1K worth of FTO shares. This transaction involved 7,060 shares at $32.31 per share.
Robert J. Kostelnik currently owns 59,598 shares of HF Sinclair Corp (DINO), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Robert J. Kostelnik's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Robert J. Kostelnik has 20 Form 4 filings on record as an insider at HF Sinclair Corp.
Set alerts for Robert J. Kostelnik and 40,000+ other insiders.