InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Discover the full record of transactions filed by Kostelnik Robert J., Directeur. Director active across 1 company, notably HollyFrontier Corp. In total, 2 disclosures have been logged. History available since 10 November 2021. The latest transaction was disclosed on 10 November 2021 (Attribution). Regulator: SEC (Form 4). All data is accessible without signup.
Declarations2 total
4,180 shares0Common StockSEC:0001209191-21-063972
4,180 shares0Common StockSEC:0001209191-21-063972:0
2 of 2 declarations
About Kostelnik Robert J.
Robert J. Kostelnik is a Director at HollyFrontier Corp. In this role, he contributes to the governance of the company and to strategic decision-making. His expertise in the oil and gas industry allows him to provide valuable insights into the challenges and opportunities in the sector. He is involved in various committees within the board of directors.
