MSC Industrial director buys 250,000 shares

Each purchase price was a weighted average; the reported price ranges were $114.43–$115.42, $115.42–$116.425, and $116.43–$117.43 per share.

Rhea-AI Filing Summary

MSC Industrial Direct Co. (MSM) director and 10% owner Mitchell Jacobson reported directly purchasing 250,000 Class A common shares on October 23, 2026, in three transactions at weighted-average prices of $115.1094, $115.9950 and $116.7194 per share. He also reported an indirect gift disposition of 8,200 shares held by trusts; he is their settlor and can exercise remove-and-replace powers over the trustees. He disclaimed beneficial ownership except to the extent of his pecuniary interest.

Insider Trade Summary

Net Buyer: 250,000 shares

Net Buy 5 txns

Insider JACOBSON MITCHELL

Role Director, 10% Owner

Bought 250,000 shs ($28.98M)

Type	Security	Shares	Price	Value
Purchase	Class A Common Stock F1	60,951	$115.1094	$7.02M
Purchase	Class A Common Stock F2	134,662	$115.995	$15.62M
Purchase	Class A Common Stock F3	54,387	$116.7194	$6.35M
Gift	Class A Common Stock F4, F5	8,200	$0.00	$0.00
holding	Class A Common Stock F4, F6	--	--	--

Holdings After Transaction: Class A Common Stock — 2,578,192 shares (Direct); Class A Common Stock — 5,753,328 shares (Indirect, See footnotes)

Footnotes (6)

1. F1. The price shown in Column 4 is a weighted average price. The price range is $114.43 - $115.42. 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.
2. F2. The price shown in Column 4 is a weighted average price. The price range is $115.42 - $116.425. 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.
3. F3. The price shown in Column 4 is a weighted average price. The price range is $116.43 - $117.43. 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.
4. F4. The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein.
5. F5. 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.
6. F6. Represents shares held by trusts over whose portfolio securities the Reporting Person exercises voting or dispositive power.

Key Figures

Direct purchases: 250,000 shares First purchase: 60,951 shares at $115.1094 per share Second purchase: 134,662 shares at $115.9950 per share +2 more

5 metrics

Direct purchases 250,000 shares Three transactions on October 23, 2026

First purchase 60,951 shares at $115.1094 per share October 23, 2026; weighted-average price; range $114.43–$115.42

Second purchase 134,662 shares at $115.9950 per share October 23, 2026; weighted-average price; range $115.42–$116.425

Third purchase 54,387 shares at $116.7194 per share October 23, 2026; weighted-average price; range $116.43–$117.43

Gift disposition 8,200 shares Indirect gift of trust-held shares on October 23, 2026

Key Terms

weighted average price, pecuniary interest, settlor

3 terms

weighted average price financial

"The price shown in Column 4 is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

pecuniary interest financial

"except to the extent of such Reporting Person's pecuniary interest therein"

settlor technical

"of which the Reporting Person is the settlor"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many shares did MSM director Mitchell Jacobson purchase?

Mitchell Jacobson reported direct purchases totaling 250,000 Class A common shares on October 23, 2026, at weighted-average prices of $115.1094, $115.9950 and $116.7194 per share. No Rule 10b5-1 plan is reported.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/27/2026 - 05:21 PM EDT Accepted by SEC EDGAR 10/27/2026 - 05:21 PM EDT Learn about SEC filing dates

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

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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 NEW YORK 11747

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/23/2026

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

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

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

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	10/23/2026		P		60,951	A	$115.1094(1)	2,389,143	D
Class A Common Stock	10/23/2026		P		134,662	A	$115.995(2)	2,523,805	D
Class A Common Stock	10/23/2026		P		54,387	A	$116.7194(3)	2,578,192	D
Class A Common Stock	10/23/2026		G		8,200	D	$0	4,286,124	I	See footnotes(4)(5)
Class A Common Stock								1,467,204	I	See footnotes(4)(6)

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 price shown in Column 4 is a weighted average price. The price range is $114.43 - $115.42. 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.

2. The price shown in Column 4 is a weighted average price. The price range is $115.42 - $116.425. 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.

3. The price shown in Column 4 is a weighted average price. The price range is $116.43 - $117.43. 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.

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

5. 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.

6. Represents shares held by trusts over whose portfolio securities the Reporting Person exercises voting or dispositive power.

	/s/ J. Robert Small, as attorney-in-fact for Mitchell Jacobson	10/27/2026
	** 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.
* Form 4: SEC 1474 (03-26)