FilingIndex
SC 13D/AThe Stakes

HF Sinclair Corp files SC 13D/A

Filed May 20, 2026 · 1mo ago · Accession 0001193125-26-232710

Plain English

Activist stake — an investor has acquired more than 5% with intent to influence.

Read the source below for the full document.

Filing details
Ticker
DINO
CIK
1915657
Form type
SC 13D/A
Filing date
May 20, 2026
Report date
Document
Size