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* GOLDFISCHER CARL (Last) (First) (Middle) C/O BAY CITY CAPITAL LLC 750 BATTERY STREET, SUITE 400 (Street) SAN FRANCISCO CA 94111 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol EnteroMedics Inc [ ETRM ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 09/23/2011
	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	09/23/2011		P		822,276	A	$1.65	4,800,964	I	See below(1)
Common Stock	09/23/2011		P		17,724	A	$1.65	103,484	I	See below(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
Common Stock Warrant	$1.9	09/23/2011		P		164,455		09/23/2011	09/28/2016	Common Stock	164,455	$0	3,563,814	I	See Footnote(1)
Common Stock Warrant	$1.9	09/23/2011		P		3,545		09/23/2011	09/28/2016	Common Stock	3,545	$0	76,817	I	See Footnote(2)

Explanation of Responses:

1. Represent shares held by Bay City Capital Fund IV, L.P. ("Fund IV"), including the shares held by Dr. Goldfischer; and indirect interests of Bay City Capital LLC ("BCC"), the manager of Bay City Capital Management IV LLC ("Management IV"), and Management IV, the general partner of Fund IV. Dr. Goldfischer is Managing Director of BCC. Dr. Goldfischer, BCC and Management IV each disclaims beneficial ownership is such shares, except to the extent of their pecuniary interest therein.

2. Represent shares held by Bay City Capital Fund IV Co-Investment Fund, L.P. ("Co-Investment IV"), including the shares held by Dr. Goldfischer; and indirect interests of BCC, the manager of Management IV, and Management IV, the general partner of Co-Investment IV. Dr. Goldfischer, BCC and Management IV each disclaims beneficial ownership in such shares, except to the extent of their pecuniary interest therein.

Remarks:

Signed by Carl Goldfischer, Managing Director Bay City Capital LLC for itself, for and on behalf of Bay City Capital Management IV LLC in its capacity as manager thereof, and for and on behalf of Bay City Capital Fund IV, L.P. and Bay City Capital Fund IV Co-Investment Fund, L.P. in its capacity as manager of Bay City Capital Management IV LLC, the general partner of Fund IV and Co-Investment IV.

	/s/ Carl Goldfisher	09/26/2011
	** 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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