X0609 4 2026-06-09 0 0001839839 Janus International Group, Inc. JBI 0001246989 FRADIN ROGER false C/O JANUS INTERNATIONAL GROUP, INC. 135 JANUS INTERNATIONAL BLVD. TEMPLE GA 30179 1 0 0 0 0 Common Stock 2026-06-09 4 A 0 38973 0 A 873640 D Common Stock 213239 I By R JBI GRAT 2024 III Common Stock 213239 I By S JBI GRAT 2024 III Common Stock 752460 I By The Susan Fradin Revocable Trust Common Stock 345752 I By R JBI GRAT 2024 II Common Stock 345752 I By S JBI GRAT 2024 II In connection with the Issuer's non-employee director compensation program, the Reporting Person received restricted stock units ("RSUs") on June 9, 2026 (the "Grant Date") based on the closing price per share of the Issuer's common stock on the Grant Date. The RSUs will fully vest on the first anniversary of the grant date, subject to continued service on the Board of Directors, and will be settled by delivery of shares of the Issuer's common stock. Includes 38,973 RSUs. The R JBI GRAT 2024 III, a grantor retained annuity trust of which the reporting person is the trustee and annuitant and that is for the benefit of the reporting person and the reporting person's children. The reporting person maintains indirect beneficial ownership of such securities. The S JBI GRAT 2024 III, a grantor retained annuity trust of which the reporting person is the trustee and annuitant and that is for the benefit of the reporting person and the reporting person's children. The reporting person maintains indirect beneficial ownership of such securities. The Susan Fradin Revocable Trust, a revocable trust of which the reporting person's spouse is the trustee and sole beneficiary. The reporting person maintains indirect beneficial ownership of such securities. The R JBI GRAT 2024 II, a grantor retained annuity trust of which the reporting person is the trustee and annuitant and that is for the benefit of the reporting person and the reporting person's children. The reporting person maintains indirect beneficial ownership of such securities. The S JBI GRAT 2024 II, a grantor retained annuity trust of which the reporting person's spouse is the trustee and annuitant, and that is for the benefit of the reporting person's spouse and the reporting person's children, and the reporting person maintains indirect beneficial ownership of such securities. /s/ Elliot Kahler, as attorney-in-fact for Roger Fradin 2026-06-10