Whittenburg Mark G plan to sell securities of Core & Main, Inc. under Form 144

Whittenburg Mark G filed Form 144 to notify SEC of plan to sell 18814 units of Core & Main, Inc. securities around 2026-05-29, with aggregate market value of $931,293.00. The total outstanding units is 188072306.0. The amount planned to be sold represents 0.01% of total outstanding units; Recent transactions in past 3 months include: On 05/27/2026, sold 21976 units for $1088326.62;