MSM insider reports RSU vesting; 16,006 shares owned post-trades

MSC Industrial Direct (MSM): A senior officer reported routine equity transactions.

Rhea-AI Filing Summary

MSC Industrial Direct (MSM): A senior officer reported routine equity transactions. On November 5, 2025, the SVP, Customer Experience, acquired 196 shares of Class A common stock upon RSU vesting and 31.59 shares from dividend equivalent units, both at $0 per share per plan terms.

To cover tax withholding from these vestings, 65.59 shares were withheld or disposed at a price of $86.68 per share. Following these transactions, the reporting person directly owns 16,006 shares of Class A common stock. The RSUs stem from a November 5, 2021 grant that vested in scheduled tranches through November 5, 2025.

Insider Trade Summary

227.59 shares exercised/converted

Exercise 5 txns

Insider Shacklett Kimberly

Role SVP, Customer Experience

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units (RSU)	196	$0.00	$0.00
Exercise	Dividend Equivalent Units	31.59	$0.00	$0.00
Exercise	Class A Common Stock, $0.001 par value	196	$0.00	$0.00
Exercise	Class A Common Stock, $0.001 par value	31.59	$0.00	$0.00
Exercise Price or Tax Liability	Class A Common Stock, $0.001 par value	65.59	$86.68	$6K

Holdings After Transaction: Restricted Stock Units (RSU) — 0 contracts (Direct); Dividend Equivalent Units — 210 contracts (Direct); Class A Common Stock, $0.001 par value — 16,006 shares (Direct)

Footnotes (4)

1. F1. Each RSU represents a contingent right to receive one share of Common Stock.
2. 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. F3. Disposition of Class A Common Stock to the Issuer to cover tax withholding obligations arising from the vesting of RSUs and DEUs.
4. F4. 782 RSUs were granted on November 5, 2021. 195 RSUs vested on each of November 5, 2022 and November 5, 2023, and 196 RSUs vested on each of November 5, 2024 and November 5, 2025.

FAQ

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

What did MSM’s SVP report on the latest Form 4?

Vesting of awards converting into 196 shares from RSUs and 31.59 shares from dividend equivalent units, plus a tax withholding disposition of 65.59 shares.

How many MSM shares does the reporting person own after the transactions?

Directly owns 16,006 shares of Class A common stock after the reported activity.

What was the price for the tax withholding share disposition?

The disposition to cover taxes occurred at $86.68 per share.

Were the RSU and dividend equivalent unit conversions cash transactions?

No. Both conversions were at $0 per share in accordance with the plan.

When were the original RSUs granted and how did they vest?

RSUs were granted on November 5, 2021 and vested in tranches, including 196 RSUs vesting on November 5, 2025.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 11/07/2025 - 11:13 AM 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^*

Shacklett Kimberly

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, Customer Experience

3. Date of Earliest Transaction (Month/Day/Year)
11/05/2025

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, $0.001 par value	11/05/2025		M		196	A	$0(1)	16,040	D
Class A Common Stock, $0.001 par value	11/05/2025		M		31.59	A	$0(2)	16,072	D
Class A Common Stock, $0.001 par value	11/05/2025		F		65.59(3)	D	$86.68	16,006	D

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
Restricted Stock Units (RSU)	(1)	11/05/2025		M			196	(4)	(4)	Class A Common Stock, $0.001 par value	196	$0	0	D
Dividend Equivalent Units	(2)	11/05/2025		M			31.59	(2)	(2)	Class A Common Stock, $0.001 par value	31.59	$0	210	D

Explanation of Responses:

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

2. 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. Disposition of Class A Common Stock to the Issuer to cover tax withholding obligations arising from the vesting of RSUs and DEUs.

4. 782 RSUs were granted on November 5, 2021. 195 RSUs vested on each of November 5, 2022 and November 5, 2023, and 196 RSUs vested on each of November 5, 2024 and November 5, 2025.

Remarks:

	/s/ Kimberly Shacklett	11/07/2025
	** 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.