Form 4 for MSM MSC INDUSTRIAL DIRECT CO INC
Accepted 2026-01-26 00:00:00 ET · period of report 2026-01-22 · accession 0001003078-26-000029 · 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 | 2026-01-26 | 2026-01-22 | MSM | Aarnes Robert B | Dir | M - OptEx | $0.00 | +823 | 799 | New | $0 |
| DM | 2026-01-26 | 2026-01-22 | MSM | Aarnes Robert B | Dir | M - OptEx | $0.00 | -823 | 799 | -51% | $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 | 2026-01-22 | M | A | 24 | $0.00 | 823 | 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. |
| 2 | Common | Class A Common Stock, $0.001 par value | 2026-01-22 | M | A | 799 | $0.00 | 799 | D | — | — | (F1) Each RSU represents a contingent right to receive one share of Common Stock. |
| 3 | Derivative | Dividend Equivalent Units | 2026-01-22 | M | D | 24 | $0.00 | 25 | D | — · — to — | 24 Class A Common Stock, $0.001 par value | (F4) Includes 17.818 dividend equivalent units accrued on April 23, 2025, 15.676 dividend equivalent units accrued on July 23, 2025, and 15.888 dividend equivalent units accrued on November 26, 2025 with respect to the outstanding awards 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. |
| 4 | Derivative | Restricted Stock Units (RSU) | 2026-01-22 | M | D | 799 | $0.00 | 799 | D | — · — to — | 799 Class A Common Stock, $0.001 par value | (F1) Each RSU represents a contingent right to receive one share of Common Stock. (F3) 1,598 RSUs were granted on January 22, 2025. 799 RSUs vested on January 22, 2026. 799 RSUs vest on January 22, 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. |