MSC Industrial SVP Shacklett acquires vested shares

MSC Industrial Direct Co Inc SVP, Customer Experience Kimberly Shacklett reported vesting on November 4, 2026, of 417 and 621 RSUs and dividend equivalent units representing 67 and 50 shares.

Available on EDGAR 11/06/2026 - 11:51 AM EST Accepted by SEC EDGAR 11/06/2026 - 11:51 AM EST

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Rhea-AI Filing Summary

MSC Industrial Direct Co Inc SVP, Customer Experience Kimberly Shacklett reported vesting on November 4, 2026, of 417 and 621 RSUs and dividend equivalent units representing 67 and 50 shares. The vesting resulted in acquisitions of Class A common shares. To cover tax withholding obligations, 212 and 293 shares were delivered to the issuer at a reported price of $116.06 per share.

Insider Trade Summary

1,154.372 shares exercised/converted

Exercise 10 txns

Insider Shacklett Kimberly

Role SVP, Customer Experience

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units (RSU) ^{F1, F4}	417	$0.00	$0.00
Exercise	Dividend Equivalent Units ^F2	66.741	$0.00	$0.00
Exercise	Restricted Stock Units (RSU) ^{F1, F5}	621	$0.00	$0.00
Exercise	Dividend Equivalent Units ^F2	49.631	$0.00	$0.00
Exercise	Class A Common Stock, $0.001 par value ^F1	417	$0.00	$0.00
Exercise	Class A Common Stock, $0.001 par value ^F2	66.741	$0.00	$0.00
Tax Withholding	Class A Common Stock, $0.001 par value ^F3	211.741	$116.06	$25K
Exercise	Class A Common Stock, $0.001 par value ^F1	621	$0.00	$0.00
Exercise	Class A Common Stock, $0.001 par value ^F2	49.631	$0.00	$0.00
Tax Withholding	Class A Common Stock, $0.001 par value ^F3	292.631	$116.06	$34K

Holdings After Transaction: Restricted Stock Units (RSU) — 1,242 contracts (Direct); Dividend Equivalent Units — 500 contracts (Direct); Class A Common Stock, $0.001 par value — 17,322 shares (Direct)

Holdings Before and After: Restricted Stock Units (RSU), 2,280 to 1,242 contracts (Direct); Dividend Equivalent Units, 616.372 to 500 contracts (Direct)

Footnotes (5)

F1. Each RSU represents a contingent right to receive one share of Common Stock.
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.
F3. Disposition of Class A Common Stock to the Issuer to cover tax withholding obligations arising from the vesting of RSUs and DEUs.
F4. 1,665 RSUs were granted on November 4, 2022. 416 RSUs vested on each of November 4, 2023, November 4, 2024, and November 4, 2025, and 417 RSUs vested on November 4, 2026.
F5. 2,483 RSUs were granted on November 4, 2024. 620 RSUs vested on November 4, 2025, and 621 RSUs vested on November 4, 2026. 621 RSUs vest on each of November 4, 2027 and November 4, 2028, 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.

Key Figures

RSUs vested: 417 shares RSUs vested: 621 shares Dividend equivalent units vested: 67 shares +4 more

7 metrics

RSUs vested 417 shares November 4, 2026

RSUs vested 621 shares November 4, 2026

Dividend equivalent units vested 67 shares November 4, 2026

Dividend equivalent units vested 50 shares November 4, 2026

Shares delivered for tax withholding 212 shares November 4, 2026

Shares delivered for tax withholding 293 shares November 4, 2026

Reported price per share $116.06 per share Tax-withholding dispositions on November 4, 2026

Key Terms

Restricted Stock Units (RSU), Dividend Equivalent Units, tax withholding obligations

3 terms

Restricted Stock Units (RSU) technical

"Each RSU represents a contingent right to receive one share"

Dividend Equivalent Units technical

"Each dividend equivalent unit represents a contingent right to receive one share"

Dividend equivalent units are bookkeeping credits that mirror cash dividends paid on actual shares, granted to holders of stock-based awards such as restricted stock units or deferred compensation. They matter to investors because they increase a company’s reported employee compensation cost and can lead to issuance of more shares or cash payouts over time, similar to extra pay linked to ownership that affects shareholder dilution and corporate cash flow.

tax withholding obligations financial

"to cover tax withholding obligations arising from the vesting"

FAQ

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

How many MSM shares did Kimberly Shacklett acquire and deliver for tax withholding?

On November 4, 2026, vesting resulted in acquisitions of 417 and 621 Class A common shares from RSUs and 67 and 50 shares from dividend equivalent units. To cover tax withholding obligations, 212 and 293 Class A shares were delivered to the issuer at a reported price of $116.06 per share.

When are Kimberly Shacklett's remaining RSUs scheduled to vest?

The award terms schedule 621 RSUs to vest on each of November 4, 2027 and November 4, 2028, provided that Kimberly Shacklett remains continuously employed through each applicable vesting date.

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

Form 4 Insider Transactions: What Each Field Means →

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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

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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
11/04/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A Common Stock, $0.001 par value	11/04/2026		M		417	A	$0⁽¹⁾	17,089	D
Class A Common Stock, $0.001 par value	11/04/2026		M		66.741	A	$0⁽²⁾	17,156	D
Class A Common Stock, $0.001 par value	11/04/2026		F		211.741⁽³⁾	D	$116.06	16,944	D
Class A Common Stock, $0.001 par value	11/04/2026		M		621	A	$0⁽¹⁾	17,565	D
Class A Common Stock, $0.001 par value	11/04/2026		M		49.631	A	$0⁽²⁾	17,615	D
Class A Common Stock, $0.001 par value	11/04/2026		F		292.631⁽³⁾	D	$116.06	17,322	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units (RSU)	⁽¹⁾	11/04/2026		M			417	⁽⁴⁾	⁽⁴⁾	Class A Common Stock, $0.001 par value	417	$0	0	D
Dividend Equivalent Units	⁽²⁾	11/04/2026		M			66.741	⁽²⁾	⁽²⁾	Class A Common Stock, $0.001 par value	66.741	$0	275	D
Restricted Stock Units (RSU)	⁽¹⁾	11/04/2026		M			621	⁽⁵⁾	⁽⁵⁾	Class A Common Stock, $0.001 par value	621	$0	1,242	D
Dividend Equivalent Units	⁽²⁾	11/04/2026		M			49.631	⁽²⁾	⁽²⁾	Class A Common Stock, $0.001 par value	49.631	$0	225	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. 1,665 RSUs were granted on November 4, 2022. 416 RSUs vested on each of November 4, 2023, November 4, 2024, and November 4, 2025, and 417 RSUs vested on November 4, 2026.

5. 2,483 RSUs were granted on November 4, 2024. 620 RSUs vested on November 4, 2025, and 621 RSUs vested on November 4, 2026. 621 RSUs vest on each of November 4, 2027 and November 4, 2028, 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.

Remarks:

	/s/ Kimberly Shacklett	11/06/2026
	** 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)

Source: View Original Filing on SEC EDGAR