Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
GERSHWIND ERIK
   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 _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President and CEO
(Last)
(First)
(Middle)
C/O MSC INDUSTRIAL DIRECT CO., INC., 75 MAXESS ROAD		 3. Date of Earliest Transaction (Month/Day/Year)
05/16/2018
(Street)

MELVILLE, NY US 11747		 4. If Amendment, Date 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
(City)
(State)
(Zip)
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 05/16/2018   C   10,603 A (1) 10,603 I See Footnote (2)
Class A Common Stock, $0.001 par value 05/16/2018   S   10,603 D $ 93.78 (3) 0 I See Footnote (2)
Class A Common Stock, $0.001 par value 05/17/2018   C   4,397 A (1) 4,397 I See Footnote (2)
Class A Common Stock, $0.001 par value 05/17/2018   S   4,397 D $ 94.91 (4) 0 I See Footnote (2)
Class A Common Stock, $0.001 par value 05/17/2018   C   15,000 A (1) 15,000 I See Footnote (2)
Class A Common Stock, $0.001 par value 05/17/2018   S   15,000 D $ 95 (5) 0 I See Footnote (2)
Class A Common Stock, $0.001 par value               117,885 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 Underlying Securities
(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 of Derivative Security: 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
Class B Common Stock (1) 05/16/2018   C   10,603     (1)   (1) Class A Common Stock, $0.001 par value 10,603 $ 0 57,925 I See Footnote (2)
Class B Common Stock (1) 05/17/2018   C   4,397     (1)   (1) Class A Common Stock, $0.001 par value 4,397 $ 0 53,528 I See Footnote (2)
Class B Common Stock (1) 05/17/2018   C   15,000     (1)   (1) Class A Common Stock, $0.001 par value 15,000 $ 0 38,528 I See Footnote (2)
Class B Common Stock (1)               (1)   (1) Class A Common Stock, $0.001 par value 841,890   841,890 (6) D  
Class B Common Stock (1)               (1)   (1) Class A Common Stock, $0.001 par value 120,301   120,301 (7) I See Footnote (8)

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
GERSHWIND ERIK
C/O MSC INDUSTRIAL DIRECT CO., INC.
75 MAXESS ROAD
MELVILLE, NY US 11747		   X     President and CEO  

Signatures

 /s/ Erik Gershwind   05/18/2018
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) The Class B Common Stock is convertible immediately on a one-for-one basis into shares of Class A Common Stock and does not expire.
(2) Represents shares of Class B Common Stock held by a trust of which the Reporting Person is a beneficiary and co-trustee. The Reporting Person disclaims beneficial ownership of the shares held by such trust.
(3) Represents the sale of 10,603 shares in multiple transactions, ranging from $93.50 to $94.11 per share, resulting in a weighted average sale price per share of $93.78. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range.
(4) Represents the sale of 4,397 shares in multiple transactions, ranging from $94.90 to $94.97 per share, resulting in a weighted average sale price per share of $94.91. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range.
(5) Represents the sale of 15,000 shares in multiple transactions, ranging from $94.90 to $95.23 per share, resulting in a weighted average sale price per share of $95.00. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range.
(6) Includes 5,071 shares of Class B Common Stock distributed to Mr. Gershwind as an annuity payment from a Grantor Retained Annuity Trust of which the Reporting Person is the sole annuitant and trustee.
(7) Reflects a distribution of 5,071 shares of Class B Common Stock to Mr. Gershwind as an annuity payment from a Grantor Retained Annuity Trust of which the Reporting Person is the sole annuitant and trustee.
(8) Represents shares of Class B Common Stock held by a trust of which the Reporting Person is the sole annuitant and trustee. The Reporting Person disclaims beneficial ownership of the shares held by such trust.

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