Avantor, Inc.

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

Beneficial ownership report for a holder of more than 5% (Schedule 13D)

Beneficial ownership report for a holder of more than 5% (Schedule 13D)

06b

06b

Vail Acquisition Corp; KLINSKY STEVEN B; NMI III (Cayman) GP, Ltd.; New Mountain Investments III (Cayman), L.P.; Avantor, Inc.; New Mountain Partners III Cayman (AIV-B), L.P.