Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^*

O'Neal Malcolm

2. Date of Event Requiring Statement (MM/DD/YYYY) 8/16/2021

3. Issuer Name and Ticker or Trading Symbol

MRC GLOBAL INC. [MRC]

(Last) (First) (Middle)

1301 MCKINNEY STREET, SUITE 2300

4. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director _____ 10% Owner
___X___ Officer (give title below) _____ Other (specify below)
SVP - Human Resources /

(Street)

HOUSTON 77010

(City) (State) (Zip)

5. If Amendment, Date Original Filed(MM/DD/YYYY)

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 Beneficially Owned
1.Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	27770 ⁽¹⁾	D

*Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)*
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivate Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)

Explanation of Responses:

(1)

This number reflects 27,770 unvested Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of the issuer's Common Stock. On November 16, 2020, the reporting person received 15,500 RSUs (the "2020 Grant"). 34% of the 2020 Grant will vest on November 16, 2021, and 33% of the 2020 Grant will vest on each of November 16, 2022 and November 16, 2023, each conditioned on the reporting person's continued service with the issuer and subject to accelerated vesting under certain circumstances. On February 8, 2021, the reporting person received 12,270 RSUs (the "2021 Grant"). 34% of the 2021 Grant will vest on February 8, 2022, and 33% of the 2021 Grant will vest on each of February 8, 2023 and February 8, 2024, each conditioned on the reporting person's continued service with the issuer and subject to accelerated vesting under certain circumstances.

Remarks:
Exhibit 24 - Power of Attorney

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
O'Neal Malcolm 1301 MCKINNEY STREET, SUITE 2300 HOUSTON 77010			SVP - Human Resources