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* Harris Christopher Jay (Last) (First) (Middle) C/O CLEAN DIESEL TECHNOLOGIES, INC. 1621 FISKE PLACE (Street) OXNARD CA 93033 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol CLEAN DIESEL TECHNOLOGIES INC [ CDTI ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) Chief Executive Officer
	3. Date of Earliest Transaction (Month/Day/Year) 08/07/2015
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person 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	08/07/2015		M		5,446	A	$0(1)	18,379	D
Common Stock	08/07/2015		M		6,374	A	$0(2)	24,753	D
Common Stock	08/07/2015		M		4,610	A	$0(3)	29,363	D
Common Stock	08/10/2015		S(4)		6,431	D	$1.51	22,932	D

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
Restricted Share Units	(5)	08/07/2015		M			5,446	(6)	(6)	Common Stock	5,446	$0(5)	0	D
Restricted Share Units	(5)	08/07/2015		M			6,374	(7)	(7)	Common Stock	6,374	$0(5)	6,374	D
Restricted Share Units	(5)	08/07/2015		M			4,610	(8)	(8)	Common Stock	4,610	$0(5)	9,221	D

Explanation of Responses:

1. Shares of Common Stock acquired upon settlement of Restricted Share Units ("RSUs") granted February 22, 2012 pursuant to the Clean Diesel Technologies, Inc. ("CDTI") Stock Incentive Plan.

2. Shares of Common Stock acquired upon settlement of RSUs granted March 20, 2013 pursuant to the CDTI Stock Incentive Plan.

3. Shares of Common Stock acquired upon settlement of RSUs granted March 13, 2014 pursuant to the CDTI Stock Incentive Plan.

4. Shares were sold to cover the reporting person's tax obligation in connection with the issuance of the RSUs and conversion into shares of Common Stock.

5. Each RSU represents a contingent right to receive one share of CDTI common stock.

6. RSU vests as to 1/3 on each of March 20, 2013, March 20, 2014 and March 20, 2015. Issuance to occur as soon as practicable following the date of vesting and subject to compliance with Issuer's Insider Trading Policy, but in all cases within two and one-half months following the end of the Issuer's tax year that includes the date such RSUs vest. RSUs that have not vested at the time of the reporting person's termination, for any or no reason other than death, will be forfeited.

7. RSU vests as to 1/3 on each of March 20, 2014, March 20, 2015 and March 20, 2016. Issuance to occur as soon as practicable following the date of vesting and subject to compliance with Issuer's Insider Trading Policy, but in all cases within two and one-half months following the end of the Issuer's tax year that includes the date such RSUs vest. RSUs that have not vested at the time of the reporting person's termination, for any or no reason other than death, will be forfeited.

8. RSU vests as to 1/3 on each of March 20, 2015, March 20, 2016 and March 20, 2017. Issuance to occur as soon as practicable following the date of vesting and subject to compliance with Issuer's Insider Trading Policy, but in all cases within two and one-half months following the end of the Issuer's tax year that includes the date such RSUs vest. RSUs that have not vested at the time of the reporting person's termination, for any or no reason other than death, will be forfeited.

	/s/Kristi Cushing for Christopher Jay Harris	08/11/2015
	** Signature of Reporting Person	Date
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