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 * Ferris Gerald P   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) V.P. Global Sales (Last) (First) (Middle) C/O ALTRA INDUSTRIAL MOTION CORP., 300 GRANITE STREET SUITE 201 3. Date of Earliest Transaction (Month/Day/Year) 10/16/2018 (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 10/16/2018   A   2,906 (1) A $ 39.4 14,842 D   Common Stock, par value, $0.001 10/16/2018   A   1,187 (2) A $ 39.4 16,029 D   Common Stock, par value, $0.001               6,061 I By Trust (3)

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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
Ferris Gerald P C/O ALTRA INDUSTRIAL MOTION CORP. 300 GRANITE STREET SUITE 201 BRAINTREE, MA 02184			V.P. Global Sales

Signatures

Todd Patriacca, Attorney-In-Fact		10/18/2018
**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)	Represents performance shares (and related accrued dividend equivalents) that were converted on October 16, 2018 into restricted common stock, par value $0.001 ("Restricted Common Stock"), upon the Compensation Committee's determination that certain performance goals had been met. The recent transaction between the Company and Fortive Corporation, which closed on October 1, 2018, constituted a "change in control" with respect to the performance shares resulting in the conversion of such performance shares into Restricted Common Stock based on the level of achievement of performance goals that measured the Company's total shareholder return ("TSR") against the TSR of a peer group of companies over the period from January 1, 2016 to September 30, 2018. The Restricted Common Stock is subject to forfeiture until February 15, 2019.
(2)	Represents performance shares (and related accrued dividend equivalents) that were converted on October 16, 2018 into restricted common stock, par value $0.001 ("Restricted Common Stock"), upon the Compensation Committee's determination that certain performance goals had been met. The recent transaction between the Company and Fortive Corporation, which closed on October 1, 2018, constituted a "change in control" with respect to the performance shares resulting in the conversion of such performance shares into Restricted Common Stock based on the level of achievement of performance goals that measured the Company's total shareholder return ("TSR") against the TSR of a peer group of companies over the period from January 1, 2017 to September 30, 2018. The Restricted Common Stock is subject to forfeiture until February 23, 2020.
(3)	The Shares are held in a trust for which Mr. Ferris serves as the trustee.

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