InsiderTrades

Form 4 for MSM MSC INDUSTRIAL DIRECT CO INC

Accepted 2026-01-26 00:00:00 ET · period of report 2026-01-23 · accession 0001003078-26-000031 · 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 2026-01-24 MSM Kaufmann Michael C Dir M - OptEx $0.00 +745 15.6K +5% $0
DM 2026-01-26 2026-01-24 MSM Kaufmann Michael C Dir M - OptEx $0.00 -745 25 -97% $0
D 2026-01-26 2026-01-23 MSM Kaufmann Michael C Dir A - Grant $0.00 +1,603 1,603 New $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Class A Common Stock, $0.001 par value 2026-01-24 M A 695 $0.00 15,501 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 2026-01-24 M A 50 $0.00 15,551 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 Derivative Restricted Stock Units (RSU) 2026-01-24 M D 695 $0.00 0 D — · — to — 695 Class A Common Stock, $0.001 par value (F1) Each RSU represents a contingent right to receive one share of Common Stock. (F4) 1,390 RSUs were granted on January 24, 2024. 695 RSUs vested on each of January 24, 2025 and January 24, 2026.
4 Derivative Dividend Equivalent Units 2026-01-24 M D 50 $0.00 25 D — · — to — 50 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.
5 Derivative Restricted Stock Units (RSU) 2026-01-23 A A 1,603 $0.00 1,603 D — · — to — 1,603 Class A Common Stock, $0.001 par value (F1) Each RSU represents a contingent right to receive one share of Common Stock. (F3) 1,603 RSUs were granted on January 23, 2026, and vest on January 23, 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.