SEC FORM 3 SEC Form 3
FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
 
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1. Name and Address of Reporting Person*
EVNIN LUKE

(Last) (First) (Middle)
C/O MPM ASSET MANAGEMENT
200 CLARENDON ST., 54TH FLOOR

(Street)
BOSTON MA 02116

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
08/03/2007
3. Issuer Name and Ticker or Trading Symbol
HEALTHCARE ACQUISITION CORP [ HAQ ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
Officer (give title below) X Other (specify below)
See explanation below
5. 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 Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock 125,000 I See Footnote(1)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
1. Name and Address of Reporting Person*
EVNIN LUKE

(Last) (First) (Middle)
C/O MPM ASSET MANAGEMENT
200 CLARENDON ST., 54TH FLOOR

(Street)
BOSTON MA 02116

(City) (State) (Zip)
1. Name and Address of Reporting Person*
GALAKATOS NICHOLAS

(Last) (First) (Middle)
C/O MPM ASSET MANAGEMENT
200 CLARENDON ST., 54TH FLOOR

(Street)
BOSTON MA 02116

(City) (State) (Zip)
1. Name and Address of Reporting Person*
HENNER DENNIS

(Last) (First) (Middle)
C/O MPM ASSET MANAGEMENT
200 CLARENDON ST., 54TH FLOOR

(Street)
BOSTON MA 02116

(City) (State) (Zip)
1. Name and Address of Reporting Person*
STEINMETZ MICHAEL

(Last) (First) (Middle)
C/O MPM ASSET MANAGEMENT
200 CLARENDON ST., 54TH FLOOR

(Street)
BOSTON MA 02116

(City) (State) (Zip)
1. Name and Address of Reporting Person*
GADICKE ANSBERT

(Last) (First) (Middle)
C/O MPM ASSET MANAGEMENT
200 CLARENDON ST., 54TH FLOOR

(Street)
BOSTON MA 02116

(City) (State) (Zip)
1. Name and Address of Reporting Person*
WHEELER KURT

(Last) (First) (Middle)
C/O MPM ASSET MANAGEMENT
200 CLARENDON ST., 54TH FLOOR

(Street)
BOSTON MA 02116

(City) (State) (Zip)
1. Name and Address of Reporting Person*
SIMON NICHOLAS J III

(Last) (First) (Middle)
C/O MPM ASSET MANAGEMENT
200 CLARENDON ST., 54TH FLOOR

(Street)
BOSTON MA 02116

(City) (State) (Zip)
Explanation of Responses:
1. The shares are held as follows: 103,672 by MPM BioVentures III-QP, L.P. ("BV III QP"), 6,971 by MPM BioVentures III, L.P. ("BV III"), 2,465 by MPM Asset Management Investors 2004 BVIII LLC ("AM 2004"), 3,131 by MPM BioVentures III Parallel Fund, L.P. ("BV Parallel") and 8,761 by MPM BioVentures III GmbH & Co. Beteiligungs KG ("BV KG"). MPM BioVentures III GP, L.P. ("MPM III GP") and MPM BioVentures III LLC ("MPM III LLC") are the direct and indirect general partners of BV III QP, BV III and BV Parallel and BV KG. Luke Evnin, Ansbert Gadicke, Nicholas Galakatos, Dennis Henner, Nicholas Simon III, Michael Steinmetz and Kurt Wheeler are the members of MPM III LLC and AM 2004. Each member of the group disclaims beneficial ownership of the securities except to the extent of its pecuniary interest therein.
Remarks:
The Reporting Person is a member of a Section 13(d) group owning more than 10% of the Issuer's common stock. See Form 3 for MPM BioVentures III-QP, L.P. for additional members of this joint filing.
/s/ Luke Evnin 08/07/2007
/s/ Nicholas Galakatos 08/07/2007
/s/ Dennis Henner 08/07/2007
/s/ Michael Steinmetz 08/07/2007
/s/ Ansbert Gadicke 08/07/2007
/s/ Kurt Wheeler 08/07/2007
** 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 5 (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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