SEC Form 4

FORM 4		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 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* IPGL Ltd (Last) (First) (Middle) CITYPOINT LEVEL 28 ONE ROPEMAKER STREET (Street) LONDON X0 EC2Y 9AQ (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol GAIN Capital Holdings, Inc. [ GCAP ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 09/07/2017
	4. If Amendment, Date of Original Filed (Month/Day/Year)	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 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 $0.00001 per share	09/07/2017		P		71,306	A	$6.2	853,031	D(1)
Common Stock, par value $0.00001 per share								4,629,950	I	See Footnotes(2)

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 Securities Underlying Derivative Security (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: 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

1. Name and Address of Reporting Person* IPGL Ltd (Last) (First) (Middle) CITYPOINT LEVEL 28 ONE ROPEMAKER STREET (Street) LONDON X0 EC2Y 9AQ (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* FOX & TROT LTD (Last) (First) (Middle) CITYPOINT LEVEL 28 ONE ROPEMAKER STREET (Street) LONDON X0 EC2Y 9AQ (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. The 853,031 shares of common stock are held of record by IPGL Limited ("IPGL"). David Jeremy Courtenay-Stamp, David Gelber, Mark William Lane Richards, Michael Patrick Spencer and Michael Alan Spencer are the directors of IPGL, and have the power, acting by majority vote, to vote or dispose of shares directly held by IPGL. Messrs. Courtenay-Stamp, Gelber, Richards, Spencer and Spencer each hereby disclaims any beneficial ownership of any shares directly or indirectly held by IPGL, except to the extent of their pecuniary interest therein.

2. The 4,629,950 shares of common stock are held of record by Fox & Trot Limited ("F&T"). IPGL, the 100% owner of F&T, may be deemed to beneficially own the reported shares. Frederick Morton, Mark William Lane Richards and Tom Scarborough are the directors of F&T, and act at the direction of the directors of IPGL to vote or dispose of shares directly held by F&T, except in certain limited circumstances where they have the power, acting by majority vote, to vote or dispose of shares directly held by F&T. Messrs. Morton, Richards and Scarborough each hereby disclaims any beneficial ownership of any shares directly held by F&T, except to the extent of their pecuniary interest therein.

Remarks:

	IPGL Limited, by /s/ Mark William Lane Richards, its director and chief executive officer	09/11/2017
	Fox & Trot Limited, by /s/ Mark William Lane Richards, its director	09/11/2017
	** Signature of Reporting Person	Date
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).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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