X0609 4 2026-10-13 0000730263 THOR INDUSTRIES INC THO 0001257210 KLEIN CHRISTOPHER J false C/O THOR INDUSTRIES, INC. 2900 INDEPENDENCE COURT ELKHART IN 46514 true false false false 0 Common Stock 2026-10-13 4 A 0 2912 0 A 14314 D Common Stock 118 I See note. Common Stock 37 I See note. Common Stock 37 I See note. The transaction reported is a grant of restricted stock units that may be settled only by delivery of an equal number of shares of common stock. The shares will fully vest on October 13, 2027, the first anniversary of the date of grant, subject to forfeiture. These shares are held in a tenants in common account of which revocable trusts of the reporting person and his spouse own respective 50% interests. The reporting person serves as trustee for his revocable trusts and his spouse serves as the trustee for her revocable trust. The reporting person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein. These shares are held for the account of an irrevocable trust for the benefit of one of the reporting person's children. The reporting person is an adviser to this trust. The reporting person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein. /s/ Barb Montague, attorney-in-fact for Christopher J. Klein 2026-10-15