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
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(Print or Type Responses)
1. Name and Address of Reporting Person *
DEEGAN GLENN E.
   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)
VP and General Counsel
(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   3,779 (1) A $ 39.4 50,068 D  
Common Stock, par value, $0.001 10/16/2018   A   1,543 (2) A $ 39.4 51,611 D  
Common Stock, par value, $0.001 10/16/2018   A   3,103 (3) A $ 39.4 54,714 D  

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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
DEEGAN GLENN E.
C/O ALTRA INDUSTRIAL MOTION CORP.
300 GRANITE STREET SUITE 201
BRAINTREE, MA 02184		       VP and General Counsel  

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) 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 return on invested capital over the period from January 1, 2018 to September 30, 2018. The Restricted Common Stock is subject to forfeiture until February 15, 2021.

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