Sec Form 4 Filing - Carroll David William @ ON Semiconductor Connectivity Solutions, Inc. - 2019-06-19

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 Carroll David William 2. Issuer Name and Ticker or Trading Symbol ON Semiconductor Connectivity Solutions, Inc. [ QTNA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) SVP Worldwide Sales (Last) (First) (Middle) C/O ON SEMICONDUCTOR CORPORATION, 5005 E. MCDOWELL ROAD 3. Date of Earliest Transaction (MM/DD/YY) 06/19/2019 (Street) PHOENIX, AZ85008 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 Common Stock 06/19/2019 A 13,268 ( 1 ) A $ 0 80,344 D Common Stock 06/19/2019 D 80,344 D 0 D Common Stock 06/19/2019 D 500 D 0 I By Child of Reporting Person

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) $ 3 06/19/2019 D 1,716 ( 4 ) 12/03/2025 Common Stock 1,716 $ 0 0 D Employee Stock Option (right to buy) $ 8.5 06/19/2019 D 13,871 ( 4 ) 06/30/2026 Common Stock 13,871 $ 0 0 D Employee Stock Option (right to buy) $ 22.18 06/19/2019 D 46,500 ( 4 ) 02/15/2027 Common Stock 46,500 $ 0 0 D Employee Stock Option (right to buy) $ 13.06 06/19/2019 D 48,750 ( 4 ) 01/10/2028 Common Stock 48,750 $ 0 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Carroll David William C/O ON SEMICONDUCTOR CORPORATION 5005 E. MCDOWELL ROAD PHOENIX, AZ85008 SVP Worldwide Sales Signatures /s/ Tom MacMitchell, as Attorney-in-Fact 06/21/2019 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Each share is represented by a performance-based Restricted Stock Unit ("PSU"). This number reflects actual performance based on a shortened performance period ending at the effective date of the Merger. ( 2 )Each outstanding share of the Common Stock of the Issuer was converted into the right to receive $24.50 per share in cash, as described in the Merger Agreement. ( 3 )Certain of these securities were Restricted Stock Units ("RSUs") and PSUs that represented the Reporting Person's right to receive Common Stock shares of the Issuer. The RSUs and PSUs were cancelled and converted into the right to receive $24.50 per share in cash, as described in the Merger Agreement. ( 4 )Each outstanding option of the Issuer was converted into the right to receive cash.

Remarks: This Form 4 reports securities disposed pursuant to the terms of an Agreement and Plan of Merger (the "Merger Agreement"), dated as of March 27, 2019, a copy of which is filed as Exhibit 2.1 to the Form 8-K filed by Quantenna Communications, Inc. (the "Issuer") with the SEC on March 27, 2019, and by which the Issuer became a wholly-owned subsidiary of ON Semiconductor Corporation (the "Merger"). Effective as of the closing of the Merger on June 19, 2019, the Issuer's name of Quantenna Communications, Inc. was changed to ON Semiconductor Connectivity Solutions, Inc.

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).

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