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
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
BARUCH STEVEN N
   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)
EVP, STRATEGY & MARKETING
(Last)
(First)
(Middle)
C/O MSC INDUSTRIAL DIRECT CO., INC., 75 MAXESS ROAD		 3. Date of Earliest Transaction (Month/Day/Year)
10/17/2018
(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

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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 control number. SEC 1474 (9-02)

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
Options (right to buy) (1) $ 83.21 10/17/2018   A   12,811     (2) 10/16/2025 Class A Common Stock, $0.001 par value 12,811 $ 0 12,811 D  
Restricted Stock Unit (3) 10/17/2018   A   2,643     (4)   (4) Class A Common Stock, $0.001 par value 2,643 $ 0 2,643 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
BARUCH STEVEN N
C/O MSC INDUSTRIAL DIRECT CO., INC.
75 MAXESS ROAD
MELVILLE, NY US 11747		       EVP, STRATEGY & MARKETING  

Signatures

 /s/ Steven Baruch   10/19/2018
**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) Represents options to purchase the Issuer's Class A Common Stock, $0.001 par value ("Common Stock").
(2) An option to purchase 12,811 shares of the Issuer's Common Stock was issued to the Reporting Person under the Issuer's 2015 Omnibus Equity Plan. 3,202 shares of Common Stock become exercisable on October 17, 2019, and 3,203 shares of Common Stock become exercisable on each of October 17, 2020, October 17, 2021, and October 17, 2022.
(3) Each RSU represents a contingent right to receive one share of Common Stock.
(4) 528 of 2,643 RSUs granted on October 17, 2018 will vest on each of October 17, 2019, and October 17, 2020, and 529 RSUs will vest on each of October 17, 2021, October 17, 2022, and October 17, 2023, 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.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.