144 0001649618 XXXXXXXX LIVE 0000795403 WATTS WATER TECHNOLOGIES INC 001-11499 815 CHESTNUT ST NORTH ANDOVER MA 01845 9786881811 Patel Shashank Officer COMMON MORGAN STANLEY SMITH BARNEY LLC EXECUTIVE SERVICES

1 NEW YORK PLAZA, 8TH FLOOR NEW YORK NY 10004

8000 1952000.00 33375489 05/12/2025 NYSE COMMON 02/07/2024 PERFORMANCE SHARES ISSUER N 2759 02/07/2024 NOT APPLICABLE COMMON 02/03/2025 PERFORMANCE SHARES ISSUER N 2309 02/03/2025 NOT APPLICABLE COMMON 03/15/2022 RESTRICTED STOCK ISSUER N 326 03/15/2022 NOT APPLICABLE COMMON 03/15/2023 RESTRICTED STOCK ISSUER N 326 03/15/2023 NOT APPLICABLE COMMON 03/12/2024 RESTRICTED STOCK ISSUER N 465 03/12/2024 NOT APPLICABLE COMMON 03/13/2024 RESTRICTED STOCK ISSUER N 360 03/13/2024 NOT APPLICABLE COMMON 03/15/2024 RESTRICTED STOCK ISSUER N 748 03/15/2024 NOT APPLICABLE COMMON 03/13/2025 RESTRICTED STOCK ISSUER N 352 03/13/2025 NOT APPLICABLE COMMON 03/14/2025 RESTRICTED STOCK ISSUER N 355 03/14/2025 NOT APPLICABLE Y 05/12/2025 /s/ Shashank Patel