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 * STORCH CHRISTIAN   2. Issuer Name and Ticker or Trading Symbol Altra Industrial Motion Corp. [AIMC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief Financial Officer (Last) (First) (Middle) C/O ALTRA INDUSTRIAL MOTION CORP., 300 GRANITE STREET SUITE 201 3. Date of Earliest Transaction (Month/Day/Year) 02/13/2018 (Street) BRAINTREE, MA 02184 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 Common Stock, par value $0.001 02/13/2018   A   4,832 (1) A $ 45.8 28,391 D   Common Stock, par value $0.001 02/13/2018   A   5,875 (2) A $ 45.8 34,266 D   Common Stock, par value $0.001 02/13/2018   F   2,899 (3) D $ 45.8 31,367 D   Common Stock, par value $0.001 02/15/2018   F   1,853 (4) D $ 46.05 29,514 D   Common Stock, par value $0.001               62,642 I By trust (5)

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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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
STORCH CHRISTIAN C/O ALTRA INDUSTRIAL MOTION CORP. 300 GRANITE STREET SUITE 201 BRAINTREE, MA 02184			Chief Financial Officer

Signatures

Todd Patriacca, Attorney-in-fact		02/15/2018
**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)	These shares are restricted common stock, par value $0.001 ("Restricted Common Stock") awarded to the Reporting Person under the Altra Industrial Motion Corp. 2014 Omnibus Incentive Plan. Shares of Restricted Common Stock are subject to restrictions. The restrictions will expire in equal installments on August 15, 2018, 2019, 2020 and 2021, respectively.
(2)	Performance shares earned after Compensation Committee determined that certain performance goals which measure the Company's total shareholder return ("TSR") against the TSR of a peer group of companies over the three year measurement period, from January 1, 2015 to December 31, 2017, had been met. The shares are issued as common stock par value $0.001 ("Common Stock") awarded to the Reporting Person under the Altra Industrial Motion Corp. 2014 Omnibus Incentive Plan. Dividends accrued on earned performance shares were included as additional shares of Common Stock in accordance with the terms of the award agreement.
(3)	Shares forfeited in lieu of taxes upon award of Common Stock.
(4)	Shares forfeited in lieu of taxes upon vesting of Restricted Stock
(5)	The shares are held in a trust for which Mr. Storch serves as the trustee.

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