X0609 4 2026-05-11 0000837465 Callaway Golf Co CALY 0001174968 ANDERSON ERIK J false 2180 RUTHERFORD ROAD CARLSBAD CA 92008 1 0 Common Stock 2026-05-11 4 S 0 25000.0000 16.2850 D 655459.0000 I By WestRiver Management, LLC Common Stock 2026-05-11 4 S 0 50000.0000 17.5400 D 605459.0000 I By WestRiver Management, LLC Common Stock 2026-05-12 4 S 0 25000.0000 15.7350 D 580459.0000 I By WestRiver Management, LLC Common Stock 20607.0000 D Common Stock 40476.0000 I By Anderson Family Investments, LLC The Reporting Person is the sole member and sole manager of WestRiver Management LLC ("WestRiver Management") and the sole manager of Anderson Family Investments, LLC ("AFI"). As a result, the Reporting Person may be deemed to beneficially own the securities held of record by WestRiver Management, and AFI. The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. /s/ Erik J. Anderson 2026-05-19