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
X	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* ASP FML Holdings, LLC (Last) (First) (Middle) C/O AMERICAN SECURITIES LLC 299 PARK AVENUE, 34TH FLOOR (Street) NEW YORK NY 10171 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol FAIRMOUNT SANTROL HOLDINGS INC. [ FMSA ]	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) 06/01/2018
	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	06/01/2018		D(1)		48,156,628	D	$0(1)	0	D(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* ASP FML Holdings, LLC (Last) (First) (Middle) C/O AMERICAN SECURITIES LLC 299 PARK AVENUE, 34TH FLOOR (Street) NEW YORK NY 10171 (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* American Securities Partners V, L.P. (Last) (First) (Middle) C/O AMERICAN SECURITIES LLC 299 PARK AVE, 34TH FLOOR (Street) NEW YORK NY 10171 (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* American Securities Partners V(B), L.P. (Last) (First) (Middle) C/O AMERICAN SECURITIES LLC 299 PARK AVE, 34TH FLOOR (Street) NEW YORK NY 10171 (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* American Securities Partners V (C) L.P. (Last) (First) (Middle) C/O AMERICAN SECURITIES LLC 299 PARK AVE, 34TH FLOOR (Street) NEW YORK NY 10171 (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* American Securities Associates V, LLC (Last) (First) (Middle) C/O AMERICAN SECURITIES LLC 299 PARK AVE, 34TH FLOOR (Street) NEW YORK NY 10171 (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* AMERICAN SECURITIES LLC (Last) (First) (Middle) 299 PARK AVE, 34TH FLOOR (Street) NEW YORK NY 10171 (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* ASP FML Investco, LLC (Last) (First) (Middle) C/O AMERICAN SECURITIES LLC 299 PARK AVENUE, 34TH FLOOR (Street) NEW YORK NY 10171 (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* ASP FML Co-Invest I, LLC (Last) (First) (Middle) C/O AMERICAN SECURITIES LLC 299 PARK AVENUE, 34TH FLOOR (Street) NEW YORK NY 10171 (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* ASP Manager Corp. (Last) (First) (Middle) C/O AMERICAN SECURITIES LLC 299 PARK AVENUE, 34TH FLOOR (Street) NEW YORK NY 10171 (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. Reflects disposition in connection with the consummation of the transactions contemplated by the Agreement and Plan of Merger, dated as of December 11, 2017 (the "Merger Agreement"), among the Issuer, SCR-Sibelco NV, Unimin Corporation, nka Covia Holdings Corporation ("Covia"), Bison Merger Sub, Inc. ("Merger Sub") and Bison Merger Sub I, LLC ("Merger Sub LLC"), pursuant to which Merger Sub merged with and into the Issuer with the Issuer as the surviving corporation and for the subsequent merger of Issuer with and into Merger Sub LLC with Merger Sub LLC as the surviving corporation and a wholly owned subsidiary of Covia. In the Merger, each share of Issuer Common Stock, par value $0.01 per share, was exchanged for (i) cash consideration equal to $0.73 per fully diluted share (the "Cash Consideration") and (ii) 0.20 shares (the "Exchange Ratio") of voting common stock, par value $1.00 per share, of Covia ("Covia Common Stock").

2. The shares were directly owned by ASP FML Holdings, LLC ("ASPFMLHoldings") and may also be deemed to have been indirectly beneficially owned by: (i) ASP FML Investco, LLC ("ASPFMLInvestco"), the owner of a majority of the membership interests in ASPFMLHoldings; (ii) American Securities Partners V, L.P., American Securities Partners V(B), L.P. and American Securities Partners V(C), L.P. (each, a "Sponsor") and ASP FML Co-Invest I, LLC ("ASPFMLCoinvest"), the owners of a majority of the membership interests in ASPFMLInvestco; and (iii) American Securities Associates V, LLC ("GP"), the general partner of each Sponsor. American Securities LLC ("ASLLC") provides investment advisory services to each Sponsor and to the GP. ASP Manager Corp., a wholly owned subsidiary of ASLLC, is the manager of ASPFML Holdings, ASPFMLInvestco and ASPFMLCoinvest.

Remarks:

Exhibit 99.1 Joint Filer Information is incorporated herein by reference.

	/s/ Michael G. Fisch	06/05/2018
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.