X0609 4 2026-03-11 0000795403 WATTS WATER TECHNOLOGIES INC WTS 0001595316 Dunbar David A. 815 CHESTNUT STREET NORTH ANDOVER MA 01845 1 0 Class A Common Stock 2026-03-11 5 G 0 9800.0000 0.0000 A 9800.0000 I By Trust The shares are held in a trust for the benefit of the Reporting Person's children. The Reporting Person's spouse serves as co-trustee of this trust. /s/ Seth M. Kipp, Attorney-in-Fact 2026-03-18