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).

1. Name and Address of Reporting Person* UAW Retiree Medical Benefits Trust (Last) (First) (Middle) P.O. BOX 14309 (Street) DETROIT MI 48214 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol General Motors Co [ GM ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 03/02/2018
	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
Common Stock	03/02/2018		S		40,000,000	D	$39.71	100,150,000	D(1)

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

Explanation of Responses:

1. Pursuant to the Stockholders Agreement entered into as of October 15, 2009 by and among General Motors Company (the "Issuer") and the UAW Retiree Medical Benefits Trust (the "Reporting Person"), the Reporting Person has the right to designate one nominee to the Issuer's Board of Directors for so long as the Reporting Person's holding of shares of the Issuer's common stock exceeds a specified ownership threshold, subject to the consent of the International Union, United Automobile, Aerospace and Agricultural Implement Workers of America and approval by the Issuer's Board of Directors (not to be unreasonably withheld). The Reporting Person hereby disclaims beneficial ownership of any securities owned by its director nominee.

Remarks:

Alain Lebec is signing on behalf of the Reporting Person pursuant to the UAW Retiree Medical Benefits Trust Independent Fiduciary Agreement (Relating to General Motors Company) dated as of August 8, 2011, by and between the Reporting Person and Brock Fiduciary Services LLC. The Reporting Person may be deemed to be a member of a "group" for purposes of Section 13 of the Securities Exchange Act of 1934, as amended. The Reporting Person disclaims beneficial ownership of any securities deemed to be owned by such group that are not directly owned by the Reporting Person.

	/s/ Alain Lebec, Senior Managing Director of Brock Fiduciary Services LLC, as Independent Fiduciary to the Reporting Person (solely for the benefit of the GM Separate Retiree Account)	03/05/2018
	** 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.
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