If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the following box. ☐

Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Rule 13d-7 for other parties to whom copies are to be sent.

*The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP No. 190345 108

Page 2 of 12 Pages

1	NAMES OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	Robert E. Robotti

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP			(a)	☐
				(b)	☒

3	SEC USE ONLY


4	SOURCE OF FUNDS (SEE INSTRUCTIONS)
	AF, OO

5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(D) OR 2(E)				☐


6	CITIZENSHIP OR PLACE OF ORGANIZATION
	United States

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		7	SOLE VOTING POWER
			-0-

		8	SHARED VOTING POWER
			-0-

		9	SOLE DISPOSITIVE POWER
			-0-

		10	SHARED DISPOSITIVE POWER
			-0-

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	-0-

12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)				☐


13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
	0%

14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	IN, HC

1	NAMES OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	Robotti & Company, Incorporated

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP			(a)	☐
				(b)	☒

3	SEC USE ONLY


4	SOURCE OF FUNDS (SEE INSTRUCTIONS)
	OO

5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(D) OR 2(E)				☐


6	CITIZENSHIP OR PLACE OF ORGANIZATION
	New York

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		7	SOLE VOTING POWER
			-0-

		8	SHARED VOTING POWER
			-0-

		9	SOLE DISPOSITIVE POWER
			-0-

		10	SHARED DISPOSITIVE POWER
			-0-

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	-0-

12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)				☐


13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
	0%

14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	CO, HC

1	NAMES OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	Robotti & Company, LLC

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP			(a)	☐
				(b)	☒

3	SEC USE ONLY


4	SOURCE OF FUNDS (SEE INSTRUCTIONS)
	OO

5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(D) OR 2(E)				☐


6	CITIZENSHIP OR PLACE OF ORGANIZATION
	New York

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		7	SOLE VOTING POWER
			-0-

		8	SHARED VOTING POWER
			-0-

		9	SOLE DISPOSITIVE POWER
			-0-

		10	SHARED DISPOSITIVE POWER
			-0-

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	-0-

12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)				☐


13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
	0%

14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	OO, BD

1	NAMES OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	Robotti & Company Advisors, LLC

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP			(a)	☐
				(b)	☒

3	SEC USE ONLY


4	SOURCE OF FUNDS (SEE INSTRUCTIONS)
	OO

5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(D) OR 2(E)				☐


6	CITIZENSHIP OR PLACE OF ORGANIZATION
	New York

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		7	SOLE VOTING POWER
			-0-

		8	SHARED VOTING POWER
			-0-

		9	SOLE DISPOSITIVE POWER
			-0-

		10	SHARED DISPOSITIVE POWER
			-0-

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	-0-

12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)				☐


13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
	0%

14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	OO, IA

1	NAMES OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	Suzanne Robotti

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP			(a)	☐
				(b)	☒

3	SEC USE ONLY


4	SOURCE OF FUNDS (SEE INSTRUCTIONS)
	PF

5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(D) OR 2(E)				☐


6	CITIZENSHIP OR PLACE OF ORGANIZATION
	United States

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		7	SOLE VOTING POWER
			-0-

		8	SHARED VOTING POWER
			-0-

		9	SOLE DISPOSITIVE POWER
			-0-

		10	SHARED DISPOSITIVE POWER
			-0-

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	-0-

12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)				☐


13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
	0%

14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	IN

Schedule 13D

CUSIP No. 190345 108

Page 7 of 12 Pages

1	NAMES OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	Kenneth R. Wasiak

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP			(a)	☐
				(b)	☒

3	SEC USE ONLY


4	SOURCE OF FUNDS (SEE INSTRUCTIONS)
	AF

5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(D) OR 2(E)				☐


6	CITIZENSHIP OR PLACE OF ORGANIZATION
	United States

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		7	SOLE VOTING POWER
			-0-

		8	SHARED VOTING POWER
			-0-

		9	SOLE DISPOSITIVE POWER
			-0-

		10	SHARED DISPOSITIVE POWER
			-0-

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	-0-

12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)				☐


13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
	0%

14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	IN, HC

1	NAMES OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	Ravenswood Management Company, LLC

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP			(a)	☐
				(b)	☒

3	SEC USE ONLY


4	SOURCE OF FUNDS (SEE INSTRUCTIONS)
	AF

5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(D) OR 2(E)				☐


6	CITIZENSHIP OR PLACE OF ORGANIZATION
	New York

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		7	SOLE VOTING POWER
			-0-

		8	SHARED VOTING POWER
			-0-

		9	SOLE DISPOSITIVE POWER
			-0-

		10	SHARED DISPOSITIVE POWER
			-0-

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	-0-

12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)				☐


13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
	0%

14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	OO

Schedule 13D

CUSIP No. 190345 108

Page 9 of 12 Pages

1	NAMES OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	The Ravenswood Investment Company, L.P.

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP			(a)	☐
				(b)	☒

3	SEC USE ONLY


4	SOURCE OF FUNDS (SEE INSTRUCTIONS)
	WC

5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(D) OR 2(E)				☐


6	CITIZENSHIP OR PLACE OF ORGANIZATION
	Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		7	SOLE VOTING POWER
			-0-

		8	SHARED VOTING POWER
			-0-

		9	SOLE DISPOSITIVE POWER
			-0-

		10	SHARED DISPOSITIVE POWER
			-0-

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	-0-

12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)				☐


13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
	0%

14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	PN

1	NAMES OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	Ravenswood Investments III, L.P.

2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP			(a)	☐
				(b)	☒

3	SEC USE ONLY


4	SOURCE OF FUNDS (SEE INSTRUCTIONS)
	WC

5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(D) OR 2(E)				☐


6	CITIZENSHIP OR PLACE OF ORGANIZATION
	New York

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		7	SOLE VOTING POWER
			-0-

		8	SHARED VOTING POWER
			-0-

		9	SOLE DISPOSITIVE POWER
			-0-

		10	SHARED DISPOSITIVE POWER
			-0-

11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	-0-

12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)				☐


13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
	0%

14	TYPE OF REPORTING PERSON
	PN

This Statement on Schedule 13D Amendment No. 6 (this "Statement") is filed on behalf of the Reporting Persons with the Securities and Exchange Commission (the "Commission"). This Statement amends the Statement on Schedule 13D relating to shares of the Common Stock, $0.001 par value per share (the "Common Stock"), of The Coast Distribution System, Inc. (the "Issuer") filed on August 31, 2005 with the Commission, as amended by Amendment No. 1, Amendment No. 2, Amendment No. 3, Amendment No. 4 and Amendment No. 5 thereto, filed on June 27, 2006, March 23, 2007, March 28, 2008, June 16, 2014 and December 8, 2014, respectively, with the Commission (as so amended, the "Amended Statement"), as specifically set forth herein. Capitalized terms used herein and not otherwise defined herein shall have the same meanings ascribed to them in the Amended Statement.

The address of each of the Reporting Persons other than Mr. Wasiak, RMC, RIC and RI is One Grand Central Place, 60 East 42nd Street, Suite 3100, New York, NY 10165-0057. Mr. Wasiak's, RMC's, RIC's, and RI's address is 104 Gloucester Road, Massapequa, New York, 11758.

The address of each of Mr. Robotti, Ms. Seklir and Mr. Mevorah set forth on Schedule A to the Amended Statement in accordance with the provisions of General Instruction C to Schedule 13D information concerning executive officers and directors of ROBT, Robotti & Company and Robotti Advisors is hereby amended and restated as follows:

On August 18, 2015, each of the Reporting Persons tendered such person’s shares of Common Stock of the Issuer to KAO Acquisition Sub, Inc., a Delaware corporation (“Purchaser”), pursuant to the Purchaser’s tender offer (“Tender Offer”), at a purchase price of $5.50 per share in cash.

(a)-(b) As of October 5, 2015, the aggregate number of shares of Common Stock and percentage of the outstanding Common Stock of the Issuer beneficially owned (i) by each of the Reporting Persons, and (ii) to the knowledge of the Reporting Persons, by each other person who may be deemed to be a member of a group, is 0 and 0%, respectively.

(c) During the 60 days preceding August 18, 2015, there were no transactions in shares of Common Stock of the Issuer by the Reporting Persons other than pursuant to the Tender Offer. ROBT, Robotti & Company, Robotti Advisors, Ms. Robotti, RIC and RI tendered 5,000, 1,000, 3,450 20,000, 206,453 and 119,751 shares, respectively, pursuant to the Tender Offer.

(d) Robotti & Company's discretionary customers and Robotti Advisors' clients have the right to receive and the power to direct the receipt of dividends from, and the proceeds from the sale of, Common Stock owned by them. Except as set forth in the immediately preceding sentence, no Person other than the Reporting Persons is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such shares of Common Stock beneficially owned by the Reporting Persons.

After reasonable inquiry and to the best of the undersigned's knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct.

	Robotti & Company, Incorporated

/s/ Robert E. Robotti	By:	/s/ Robert E. Robotti
Robert E. Robotti		Name: Robert E. Robotti
		Title: President and Treasurer

Robotti & Company, LLC		Robotti & Company Advisors, LLC

By:	/s/ Robert E. Robotti	By:	/s/ Robert E. Robotti
	Name: Robert E. Robotti		Name: Robert E. Robotti
	Title: President and Treasurer		Title: President and Treasurer

Ravenswood Management Company, LLC		The Ravenswood Investment Company, L.P.

By:	/s/ Robert E. Robotti	By:	Ravenswood Management Company, LLC
	Name: Robert E. Robotti		Its General Partner
	Title: Managing Member

Ravenswood Investments III, L.P.

By:	Ravenswood Management Company, LLC	By	/s/ Robert E. Robotti
	Its General Partner		Name: Robert E. Robotti
			Title: Managing Member

By:	/s/ Robert E. Robotti
	Name: Robert E. Robotti
	Title: Managing Member

/s/ Suzanne Robotti		/s/ Kenneth R. Wasiak
Suzanne Robotti		Kenneth R. Wasiak