Walter Siegel - 20 Jul 2026 Form 4 Insider Report for MSC INDUSTRIAL DIRECT CO INC (MSM)

Reporting relationship: SVP, Gen Counsel & Corp Sec
Issuer ticker: MSM
Reported as of: 20 Jul 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 21 Jul 2026, 11:16:32 UTC
Prior SEC filing: 17 Mar 2025
Source filing: View source filing
Reporting owner signature: /s/ Walter Siegel

Key filing fact

Walter Siegel filed Form 4 for MSC INDUSTRIAL DIRECT CO INC (MSM) on 21 Jul 2026.

Key facts

This page summarizes Walter Siegel's Form 4 filing for MSC INDUSTRIAL DIRECT CO INC (MSM).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 21 Jul 2026, 11:16.

Change

Previous filing in this sequence was filed on 17 Mar 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001342060 Primary reporting owner

Siegel Walter

Relationship: SVP, Gen Counsel & Corp Sec
Address: C/O MSC INDUSTRIAL DIRECT CO., INC., 515 BROADHOLLOW ROAD, MELVILLE
Signature: /s/ Walter Siegel
Signature date: 21 Jul 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MSM transaction Derivative

Restricted Stock Units (RSU)

Award

Transaction value
Shares: +2,013
Change %
Price: $0.000000^*
Shares after: 2,013
Date: 20 Jul 2026
Ownership: Direct
Underlying class: Class A Common Stock, $0.001 par value
Underlying amount: 2,013
Exercise price
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Each RSU represents a contingent right to receive one share of Common Stock.

Footnote F2

2,013 RSUs were granted on July 20, 2026. 503 RSUs vest on each of July 20, 2027, July 20, 2028 and July 20, 2029, and 504 RSUs vest on July 20, 2030, 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.