Kostelnik Robert J.

Companies where Kostelnik Robert J. has traded

• HF Sinclair Corp4 tx · Nov 13, 2025
• HOLLY CORP15 tx · $92.4K · Nov 10, 2021
• FRONTIER OIL CORP /NEW/2 tx · $353.2K · Jul 1, 2011

Track record of Kostelnik Robert J.

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of Kostelnik Robert J.

Co-insiders of Kostelnik Robert J.

• Jennings MichaelFRONTIER OIL CORP /NEW/ +2
• LEE JAMES HFRONTIER OIL CORP /NEW/ +2
• MYERS FRANKLINFRONTIER OIL CORP /NEW/ +2
• Agarwal IndiraHF Sinclair Corp +1
• Ainsworth Anne-MarieHF Sinclair Corp +1
• Aron Doug SFRONTIER OIL CORP /NEW/ +1
• BECH DOUGLAS YFRONTIER OIL CORP /NEW/ +1
• Bhatia Vaishali S.HF Sinclair Corp +1
• Catalano Anna CHF Sinclair Corp +1
• Creery Thomas GHF Sinclair Corp +1
• ECHOLS LELDON EHF Sinclair Corp +1
• Fernandez Manuel JHF Sinclair Corp +1
• Go TimothyHF Sinclair Corp +1
• Knocke R CraigHF Sinclair Corp +1
• LOYD PAUL B JRFRONTIER OIL CORP /NEW/ +1
• ROSE MICHAEL EFRONTIER OIL CORP /NEW/ +1
• Voliva Richard Lawrence IIIHF Sinclair Corp +1
• Atanasov Atanas HHF Sinclair Corp
• BECHTOL J CURRIEFRONTIER OIL CORP /NEW/