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* HealthCor Management, L.P. (Last) (First) (Middle) CARNEGIE HALL TOWER, 152 WEST 57TH STREET, 47TH FLOOR (Street) NEW YORK NY 10019 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol TRIMERIS INC [ TRMS ]	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) 10/01/2007
	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	10/01/2007		P		54,410	A	$7.779	3,950,000	I	See footnote(1)

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* HealthCor Management, L.P. (Last) (First) (Middle) CARNEGIE HALL TOWER, 152 WEST 57TH STREET, 47TH FLOOR (Street) NEW YORK NY 10019 (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* HealthCor Associates, LLC (Last) (First) (Middle) CARNEGIE HALL TOWER 152 WEST 57TH STREET (Street) NEW YORK NY 10019 (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* HealthCor Offshore, Ltd. (Last) (First) (Middle) C/O HEALTHCOR MANAGEMENT, L.P. 152 WEST 57TH STREET, 47TH FLOOR (Street) NEW YORK NY 10019 (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* HealthCor Hybrid Offshore (Last) (First) (Middle) CARNEGIE HALL TOWER 152 WEST 57TH STREET, 47TH FLOOR (Street) NEW YORK NY 10019 (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* HealthCor Strategic, LLC (Last) (First) (Middle) 152 WEST 57TH STREET 47TH FLOOR (Street) NEW YORK NY 10019 (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* HealthCor Group, LLC (Last) (First) (Middle) CARNEGIE HALL TOWER 152 WEST 57TH STREET, 47TH FLOOR (Street) NEW YORK NY 10019 (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* HealthCor Capital, L.P. (Last) (First) (Middle) CARNEGIE HALL TOWER 152 WEST 57TH STREET, 47TH FLOOR (Street) NEW YORK NY 10019 (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* HEALTHCOR L P (Last) (First) (Middle) 280 PARK AVE 39TH FL (Street) NEW YORK NY 10017 (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* Healey Joseph Patrick (Last) (First) (Middle) 152 WEST 57TH STREET 47TH FLOOR (Street) NEW YORK NY 10019 (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* Cohen Arthur Bruce (Last) (First) (Middle) 152 WEST 57TH STREET 47TH FLOOR (Street) NEW YORK NY 10019 (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. HealthCor Management, L.P. is the investment manager of HealthCor, L.P., HealthCor Offshore, Ltd., HealthCor Hybrid Offshore, Ltd. and HealthCor Strategic, LLC, which are the direct beneficial owners of the non-derivative securities listed on Table 1. The general partner of HealthCor, L.P. is HealthCor Capital, L.P. and the general partner of HealthCor Capital, L.P. is HealthCor Group, LLC. HealthCor Associates, LLC is the general partner of HealthCor Management, L.P. and Arthur Cohen and Joseph Healey are the Managers of HealthCor Associates, LLC. Each of the foregoing entities and individuals disclaims beneficial ownership in the non-derivative securities listed on Table 1 except to the extent of its or their own pecuniary interest.

Remarks:

HealthCor Management, L.P. is the principal investment vehicle of the reporting persons listed on Exhibit 99.1, attached hereto.

	HealthCor Management, L.P., for itself and as manager on behalf of (i) HealthCor Offshore, Ltd., (ii) HealthCor Hybrid Offshore, Ltd. and (iii) HealthCor Strategic, LLC, By HealthCor Associates, LLC, its general partner, /s/ Steven J. Musumeci, COO	10/03/2007
	HealthCor Associates, LLC, /s/ Steven J. Musumeci, Chief Operating Officer	10/03/2007
	HealthCor Capital, L.P., for itself and as general partner on behalf of HealthCor, L.P., By HealthCor Group, LLC, its general partner, /s/ Steven J. Musumeci, Chief Operating Officer	10/03/2007
	HealthCor Group, LLC, /s/ Steven J. Musumeci, Chief Operating Officer	10/03/2007
	/s/ Joseph Healey	10/03/2007
	/s/ Arthur Cohen	10/03/2007
	** Signature of Reporting Person	Date
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