| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Slone Reuben E | Director | C/O MSC INDUSTRIAL DIRECT CO., INC., 515 BROADHOLLOW ROAD, MELVILLE | /s/ Reuben E. Slone | 02 Mar 2026 | 0001518692 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | MSM | Class A Common Stock, $0.001 par value | 0 | 02 Mar 2026 | Direct |