Sec Form 4 Filing - BROWN GREGORY Q @ Motorola Solutions, Inc. - 2018-03-12

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 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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1. Name and Address of Reporting Person BROWN GREGORY Q 2. Issuer Name and Ticker or Trading Symbol Motorola Solutions, Inc. [ MSI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chairman and CEO (Last) (First) (Middle) MOTOROLA SOLUTIONS, INC., 500 WEST MONROE 3. Date of Earliest Transaction (MM/DD/YY) 03/12/2018 (Street) CHICAGO, IL60661 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 Motorola Solutions, Inc. - Common Stock 03/12/2018 M 100,000 A $ 40.33 204,016.9233 ( 1 ) D Motorola Solutions, Inc. - Common Stock 03/12/2018 S 100,000 D $ 108.9677 ( 2 ) 104,016.9233 ( 1 ) D Motorola Solutions, Inc. - Common Stock 03/13/2018 M 63,000 A $ 40.33 167,016.9233 ( 1 ) D Motorola Solutions, Inc. - Common Stock 03/13/2018 S 25,800 D $ 109.67 ( 3 ) 141,216.9233 ( 1 ) D Motorola Solutions, Inc. - Common Stock 03/13/2018 S 37,200 D $ 109.015 ( 4 ) 104,016.9233 ( 1 ) D Motorola Solutions, Inc. - Common Stock 03/13/2018 S 20,300 D $ 109.0101 ( 5 ) 119,689 ( 7 ) I By Trust Motorola Solutions, Inc. - Common Stock 03/13/2018 S 1,700 D $ 109.532 ( 6 ) 117,989 ( 7 ) I By Trust Motorola Solutions, Inc. - Common Stock 81,000 ( 8 ) I By Trust Motorola Solutions, Inc. - Common Stock 2,220 I Held by wife Motorola Solutions, Inc. - Common Stock 55,731 I 2017 Grantor Retained Annuity Trust, reporting person is Trustee

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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 Employee Stock Option - Right to Buy $ 40.33 ( 9 ) 03/12/2018 M 100,000 ( 10 ) 08/27/2018 Motorola Solutions, Inc. - Common Stock 100,000 ( 9 ) $ 0 63,000 D Employee Stock Option - Right to Buy $ 40.33 ( 9 ) 03/13/2018 M 63,000 ( 10 ) 08/27/2018 Motorola Solutions, Inc. - Common Stock 63,000 ( 9 ) $ 0 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other BROWN GREGORY Q MOTOROLA SOLUTIONS, INC. 500 WEST MONROE CHICAGO, IL60661 X Chairman and CEO Signatures Amber J. Livingston, on behalf of Gregory Q. Brown, Chairman and Chief Executive Officer (Power of Attorney on File) 03/14/2018 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Includes shares acquired through the reinvestment of dividends and dividend equivalent rights credited to the reporting person when and as dividends were paid on Motorola Solutions, Inc. common stock. ( 2 )$108.9677 is the weighted average sales price. Prices for this transaction ranged from $108.53 to $109.42. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price. ( 3 )$109.6700 is the weighted average sales price. Prices for this transaction ranged from $109.37 to $110.27. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price. ( 4 )$109.0150 is the weighted average sales price. Prices for this transaction ranged from $108.65 to $109.36. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price. ( 5 )$109.0101 is the weighted average sales price. Prices for this transaction ranged from $108.63 to $109.465. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price. ( 6 )$109.532 is the weighted average sales price. Prices for this transaction ranged from $109.50 to $109.67. The Reporting Person undertakes to provide upon request by the Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price. ( 7 )These shares are held in an irrevocable trust for the benefit of the reporting persons chidren. The reporting person is trustee of this trust. ( 8 )These shares are held in an irrevocable trust for the benefit of the reporting person's wife and children. The reporting person's wife is trustee of this trust. ( 9 )These options were originally reported as covering 2,320,652 shares in total at an exercise price of $9.60 per share, but were adjusted to reflect the dividend by Motorola Solutions, Inc. ("MSI") of all outstanding shares of Motorola Mobility Holdings, Inc. to stockholders and the MSI 1-for-7 reverse stock split that occurred on January 4, 2011. ( 10 )These options vested in three installments beginning on July 31, 2009.

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