[Form 4] MSC INDUSTRIAL DIRECT CO INC Insider Trading Activity

Rhea-AI Filing Summary

MSC Industrial Direct (MSM): Director and 10% owner Mitchell Jacobson reported open‑market purchases of Class A Common Stock on 10/30/2025 (weighted avg $84.9244), 10/31/2025 (weighted avg $84.7641), and 11/03/2025 (weighted avg $83.9296), plus an additional block at $84.79 on 11/03.

Following these transactions, direct holdings were 2,305,322 shares. The filing also lists indirect holdings of 2,896,500 and 2,882,913 shares held via trusts as described in the footnotes.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

JACOBSON MITCHELL

(Last) (First) (Middle)

C/O MSC INDUSTRIAL DIRECT CO., INC.

515 BROADHOLLOW ROAD

(Street)

MELVILLE NY 11747

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
MSC INDUSTRIAL DIRECT CO INC [ MSM ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
10/30/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	10/30/2025		P		95,779	A	$84.9244(4)	2,219,295	D
Class A Common Stock	10/31/2025		P		34,073	A	$84.7641(5)	2,253,368	D
Class A Common Stock	11/03/2025		P		21,954	A	$83.9296(6)	2,275,322	D
Class A Common Stock	11/03/2025		P		30,000	A	$84.79	2,305,322	D
Class A Common Stock								2,896,500	I	See footnotes(1)(2)
Class A Common Stock								2,882,913	I	See footnotes(1)(3)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein.

2. Represents shares held by trusts of which the Reporting Person is the settlor and over whose trustees the Reporting Person can exercise remove and replace powers.

3. Represents shares held by Grantor Retained Annuity Trusts of which the Reporting Person is the settlor, sole annuitant and trustee, and other trusts over whose portfolio securities the Reporting Person exercises voting or dispositive power.

4. The price shown in Column 4 is a weighted average price. The price range is $84.5550 to $85.0000. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, full information regarding the number of shares transacted at each separate price.

5. The price shown in Column 4 is a weighted average price. The price range is $84.4150 to $85.0000. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, full information regarding the number of shares transacted at each separate price.

6. The price shown in Column 4 is a weighted average price. The price range is $83.6000 to $84.2500. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, full information regarding the number of shares transacted at each separate price.

	/s/ J. Robert Small, as attorney-in-fact for Mitchell Jacobson	11/03/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider activity did MSM disclose on Form 4?

A director and 10% owner, Mitchell Jacobson, reported multiple open‑market purchases of Class A Common Stock on 10/30/2025, 10/31/2025, and 11/03/2025.

What prices did the MSM insider pay for the shares?

Weighted average prices were $84.9244 (10/30), $84.7641 (10/31), and $83.9296 (11/03), plus a block at $84.79.

How many MSM shares does the insider own directly after the trades?

Direct beneficial ownership was 2,305,322 Class A shares after the reported transactions.

Does the filing show any indirect MSM share ownership?

Yes. Indirect holdings of 2,896,500 and 2,882,913 shares are reported via trusts, as detailed in the footnotes.

What is the insider’s relationship to MSM?

The reporting person is a Director and a 10% Owner.

Were the reported prices single trades or averages?

They are weighted average prices. The filing notes price ranges and offers to provide breakdowns upon request.