Form 4 for MSM MSC INDUSTRIAL DIRECT CO INC
Accepted 2025-11-05 00:00:00 ET · period of report 2025-11-04 · accession 0001003078-25-000140 · 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 | 2025-11-05 | 2025-11-04 | MSM | McIsaac Martina | Pres, COO | M - OptEx | $0.00 | +2,726 | 8,626 | +46% | $0 |
| DM | 2025-11-05 | 2025-11-04 | MSM | McIsaac Martina | Pres, COO | F - Tax | $86.42 | -664.86 | 7,170 | -8% | -$57.5K |
| DM | 2025-11-05 | 2025-11-04 | MSM | McIsaac Martina | Pres, COO | M - OptEx | $0.00 | -2,726 | 4,191 | -39% | $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 | 2025-11-04 | M | A | 1,135 | $0.00 | 7,345 | 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 | 2025-11-04 | M | A | 135.31 | $0.00 | 7,480 | 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 | 2025-11-04 | F | D | 354.55 | $86.42 | 8,271 | 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 | Common | Class A Common Stock, $0.001 par value | 2025-11-04 | M | A | 1,397 | $0.00 | 8,567 | D | — | — | (F1) Each RSU represents a contingent right to receive one share of Common Stock. |
| 5 | Common | Class A Common Stock, $0.001 par value | 2025-11-04 | M | A | 58.55 | $0.00 | 8,626 | 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. |
| 6 | Common | Class A Common Stock, $0.001 par value | 2025-11-04 | F | D | 310.31 | $86.42 | 7,170 | D | — | — | (F3) Disposition of Class A Common Stock to the Issuer to cover tax withholding obligations arising from the vesting of RSUs and DEUs. |
| 7 | Derivative | Dividend Equivalent Units | 2025-11-04 | M | D | 135.31 | $0.00 | 663 | D | — · — to — | 135.31 Class A Common Stock, $0.001 par value | (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. |
| 8 | Derivative | Restricted Stock Units (RSU) | 2025-11-04 | M | D | 1,135 | $0.00 | 1,136 | D | — · — to — | 1,135 Class A Common Stock, $0.001 par value | (F1) Each RSU represents a contingent right to receive one share of Common Stock. (F4) 4,541 RSUs were granted on November 4, 2022. 1,135 RSUs vested on each of November 4, 2023, November 4, 2024 and November 4, 2025. 1,136 RSUs vest on November 4, 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. |
| 9 | Derivative | Dividend Equivalent Units | 2025-11-04 | M | D | 58.55 | $0.00 | 604 | D | — · — to — | 58.55 Class A Common Stock, $0.001 par value | (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. |
| 10 | Derivative | Restricted Stock Units (RSU) | 2025-11-04 | M | D | 1,397 | $0.00 | 4,191 | D | — · — to — | 1,397 Class A Common Stock, $0.001 par value | (F1) Each RSU represents a contingent right to receive one share of Common Stock. (F5) 5,588 RSUs were granted on November 4, 2024. 1,397 RSUs vested on November 4, 2025. 1,397 RSUs vest on each of November 4, 2026, November 4, 2027 and November 4, 2028, 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. |