| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Nadi Jahida Salim | Senior Vice President, Sales | C/O MSC INDUSTRIAL DIRECT CO., INC., 515 BROADHOLLOW ROAD, MELVILLE | /s/ Jahida Salim Nadi | 04 Nov 2025 | 0002086536 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MSM | Restricted Stock Units (RSU) | Award | $0 | +4,716 | $0.000000 | 4,716 | 03 Nov 2025 | Class A Common Stock, $0.001 par value | 4,716 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Each RSU represents a contingent right to receive one share of Common Stock. |
| F2 | 4,716 RSUs were granted on November 3, 2025. 1,178 RSUs vest on each of November 3, 2026 and November 3, 2027, and 1,180 RSUs vest on each of November 3, 2028 and November 3, 2029, provided that the Reporting Person remains continuously employed by the Issuer through each applicable vesting date. The vested shares will be delivered to the Reporting Person upon vesting. |