SCHEDULE 13D/A

VIPER ENERGY INC CL A

Class A Common Stock, par value $0.000001 per share · CUSIP: 64361Q101

Event date: 2026-03-19

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Diamondback Energy, Inc.Reported CIK 0001539838

  Shares: 142,156,718.00 · Class: 42.3%

• Diamondback E&P LLC

  Shares: 8,066,528.00 · Class: 4.0%

• Endeavor Energy Resources, L.P.

  Shares: 69,626,640.00 · Class: 26.4%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.