SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* Maura David M (Last) (First) (Middle) C/O MOSAIC ACQUISITION CORP. 375 PARK AVENUE (Street) NEW YORK NY 10152 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 10/18/2017	3. Issuer Name and Ticker or Trading Symbol Mosaic Acquisition Corp. [ MOSC ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director X 10% Owner X Officer (give title below) Other (specify below) President and CEO	5. If Amendment, Date of Original Filed (Month/Day/Year) 10/18/2017
			6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Class F Ordinary Share, par value $0.0001 per share	(1)	(1)	Class A Ordinary Share, par value $0.0001 per share	4,297,500	(1)	I	See Explanation of Responses(1)(2)

1. Name and Address of Reporting Person* Maura David M (Last) (First) (Middle) C/O MOSAIC ACQUISITION CORP. 375 PARK AVENUE (Street) NEW YORK NY 10152 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner X Officer (give title below) Other (specify below) President and CEO

1. Name and Address of Reporting Person* Mosaic Strategic Capital LLC (Last) (First) (Middle) C/O MOSAIC ACQUISITION CORP. 375 PARK AVENUE (Street) NEW YORK NY 10152 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Mosaic Sponsor, LLC (Last) (First) (Middle) C/O MOSAIC ACQUISITION CORP. 375 PARK AVENUE (Street) NEW YORK NY 10152 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. Mosaic Sponsor, LLC holds an aggregate of 4,297,500 Class F Ordinary Shares, par value $0.0001 per share (the "Class F Shares"), of Mosaic Acquisition Corp. (the "Issuer"), including 562,500 Class F Shares that are subject to forfeiture if the underwriters of the Issuer's initial public offering do not exercise in full an option granted to them to cover over-allotments. Pursuant to the Issuer's Memorandum and Articles of Association, the Class F Shares will automatically convert into Class A Ordinary Shares of the Issuer at the time of the Issuer's initial business combination, or earlier at the option of the holder, on a one-for-one basis, subject to adjustment as described under the heading "Description of Securities-Founder Shares" in the Issuer's registration statement on Form S-1 (File No. 333-220667). The Class F Shares have no expiration date.

2. David M. Maura is the sole member of Mosaic Strategic Capital LLC, which is the sole member of Mosaic Sponsor, LLC.

Remarks:

This amended filing is being made solely to add Mosaic Strategic Capital LLC as a reporting person.

	/s/ David M. Maura	10/19/2017
	/s/ David M. Maura, Authorized Signatory, Mosaic Strategic Capital LLC	10/19/2017
	/s/ David M. Maura, Authorized Signatory, Mosaic Sponsor, LLC	10/19/2017
	** Signature of Reporting Person	Date
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