X0508 4 2026-01-23 0 0001003078 MSC INDUSTRIAL DIRECT CO INC MSM 0001190840 GOESER LOUISE K C/O MSC INDUSTRIAL DIRECT CO., INC. 515 BROADHOLLOW ROAD MELVILLE NY 11747 1 0 0 0 0 Restricted Stock Units (RSU) 2026-01-23 4 A 0 1603 0 A Class A Common Stock, $0.001 par value 1603 1603 D Each RSU represents a contingent right to receive one share of Common Stock. 1,603 RSUs were granted on January 23, 2026, and vest on January 23, 2027, provided that the Reporting Person continues to serve as Outside Director through the applicable vesting date. The vested shares will be delivered to the Reporting Person upon vesting. /s/ Louise Goeser 2026-01-26