Form 4 for MSM MSC INDUSTRIAL DIRECT CO INC
Accepted 2025-10-07 00:00:00 ET · period of report 2025-10-03 · accession 0001003078-25-000113 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2025-10-07 | 2025-10-03 | MSM | McIsaac Martina | Pres, COO | M - OptEx | $0.00 | +1,313 | 5,747 | +30% | $0 |
| D | 2025-10-07 | 2025-10-03 | MSM | McIsaac Martina | Pres, COO | F - Tax | $91.99 | -319.85 | 5,427 | -6% | -$29.4K |
| DM | 2025-10-07 | 2025-10-03 | MSM | McIsaac Martina | Pres, COO | M - OptEx | $0.00 | -1,313 | 875 | -60% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Class A Common Stock, $0.001 par value | 2025-10-03 | M | A | 1,173 | $0.00 | 5,607 | D | — | — | (F1) Each RSU represents a contingent right to receive one share of Common Stock. |
| 2 | Common | Class A Common Stock, $0.001 par value | 2025-10-03 | M | A | 139.85 | $0.00 | 5,747 | D | — | — | (F2) The dividend equivalent units accrued with respect to outstanding awards of restricted stock units (RSUs) and vest at the same time(s) as the underlying RSUs. Each dividend equivalent unit represents a contingent right to receive one share of Common Stock. |
| 3 | Common | Class A Common Stock, $0.001 par value | 2025-10-03 | F | D | 319.85 | $91.99 | 5,427 | D | — | — | (F3) Disposition of Class A Common Stock to the Issuer to cover tax withholding obligations arising from the vesting of RSUs and DEUs. |
| 4 | Derivative | Restricted Stock Units (RSU) | 2025-10-03 | M | D | 1,173 | $0.00 | 1,173 | D | — · — to — | 1,173 Class A Common Stock, $0.001 par value | (F1) Each RSU represents a contingent right to receive one share of Common Stock. (F4) 4,692 RSUs were granted on October 3, 2022. 1,173 RSUs vested on each of October 3, 2023, October 3, 2024 and October 3, 2025. 1,173 RSUs vest on October 3, 2026, 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. |
| 5 | Derivative | Dividend Equivalent Units | 2025-10-03 | M | D | 139.85 | $0.00 | 875 | D | — · — to — | 139.85 Class A Common Stock, $0.001 par value | (F5) Includes 134.917 dividend equivalent units accrued on November 27, 2024, 142.722 dividend equivalent units accrued on January 29, 2025, 153.957 dividend equivalent units accrued on April 23, 2025, and 135.450 dividend equivalent units accrued on July 23, 2025, with respect to outstanding award of restricted stock units (RSUs). Such dividend equivalent units vest at the same time(s) as the underlying RSUs and represent a contingent right to receive one share of Common Stock. (F2) The dividend equivalent units accrued with respect to outstanding awards of restricted stock units (RSUs) and vest at the same time(s) as the underlying RSUs. Each dividend equivalent unit represents a contingent right to receive one share of Common Stock. |