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* CMEA VENTURES VI LP (Last) (First) (Middle) 1 LETTERMAN DR., BLDG. C, SUITE CM500 (Street) SAN FRANCISCO CA 94129 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol TETRAPHASE PHARMACEUTICALS INC [ TTPH ]	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) 09/16/2013
	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	09/16/2013		S		44,207	D	$9.22	2,112,923	D(1)
Common Stock	09/17/2013		S		8,012	D	$9.48	2,104,911	D(1)
Common Stock	09/16/2013		S		1,057	D	$9.22	50,519	D(2)
Common Stock	09/17/2013		S		192	D	$9.48	50,327	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* CMEA VENTURES VI LP (Last) (First) (Middle) 1 LETTERMAN DR., BLDG. C, SUITE CM500 (Street) SAN FRANCISCO CA 94129 (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* CMEA Ventures VI GmbH & Co. KG (Last) (First) (Middle) 1 LETTERMAN DR., BLDG. C, SUITE CM500 (Street) SAN FRANCISCO CA 94129 (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* CMEA Ventures VI Management, L.P. (Last) (First) (Middle) 1 LETTERMAN DR., BLDG. C, SUITE CM500 (Street) SAN FRANCISCO CA 94129 (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* BARUCH THOMAS R (Last) (First) (Middle) 1 LETTERMAN DR., BLDG. C, SUITE CM500 (Street) SAN FRANCISCO CA 94129 (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* Collier David J (Last) (First) (Middle) 1 LETTERMAN DR., BLDG. C, SUITE CM500 (Street) SAN FRANCISCO CA 94129 (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* Sohail Faysal A. (Last) (First) (Middle) 1 LETTERMAN DR., BLDG. C, SUITE CM500 (Street) SAN FRANCISCO CA 94129 (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* Watson James F (Last) (First) (Middle) 1 LETTERMAN DR., BLDG. C, SUITE CM500 (Street) SAN FRANCISCO CA 94129 (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 shares are directly held by CMEA Ventures VI, L.P. ("CMEA VI"). The general partner of CMEA VI is CMEA Ventures VI Management, L.P. ("CMEA VI GP"). The general partners of CMEA VI GP are Thomas R. Baruch ("Baruch"), David J. Collier ("Collier"), Faysal A. Sohail ("Sohail"), and James F. Watson ("Watson") and, as such, each of these individuals exercises shared voting and investment power over the shares held of record by CMEA VI. Each of the filing persons disclaims beneficial ownership of the shares except to the extent of their pecuniary interest therein, if any.

2. The shares are directly held by CMEA Ventures VI GmbH & Co. KG ("CMEA VI GmbH"). The managing limited partner of CMEA VI GmbH is CMEA VI GP. The general partners of CMEA VI GP are Baruch, Collier, Sohail, and Watson and, as such, each of these individuals exercises shared voting and investment power over the shares held of record by CMEA VI GmbH. Each of the filing persons disclaims beneficial ownership of the shares except to the extent of their pecuniary interest therein, if any.

Remarks:

	/s/ James F. Watson - General Partner of CMEA Ventures VI Management, L.P., General Partner of CMEA Ventures VI, L.P.	09/18/2013
	/s/ James F. Watson - General Partner of CMEA Ventures VI Management, L.P., managing limited partner of CMEA Ventures VI Gmbh & Co. KG, L.P.	09/18/2013
	/s/ James F. Watson - General Partner of CMEA Ventures VI Management, L.P.	09/18/2013
	/s/ Thomas R. Baruch	09/18/2013
	/s/ David J. Collier	09/18/2013
	/s/ Faysal A. Sohail	09/18/2013
	/s/ James F. Watson	09/18/2013
	** Signature of Reporting Person	Date
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