Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
VERSANT VENTURE CAPITAL I LP
  2. Issuer Name and Ticker or Trading Symbol
INSULET CORP [PODD]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
_____ Officer (give title below) __X__ Other (specify below)
Former 10% Holder
(Last)
(First)
(Middle)
3000 SAND HILL ROAD, #4-210
3. Date of Earliest Transaction (Month/Day/Year)
05/14/2007
(Street)

MENLO PARK, CA 94025
4. If Amendment, Date 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
(City)
(State)
(Zip)
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 05/14/2007 05/14/2007 C   38,301 A $ 0 38,301 (1) I Versant Side Fund I, L.P. (2)
Common Stock 05/14/2007 05/14/2007 C   1,957,713 A $ 0 1,957,713 (1) I Versant Venture Capital I, L.P. (3)
Common Stock 05/14/2007 05/14/2007 C   42,557 A $ 0 42,557 (1) I Versant Affiliates Fund I-A, L.P. (4)
Common Stock 05/14/2007 05/14/2007 C   89,372 A $ 0 89,372 (1) I Versant Affiliates Fund I-B, L.P. (5)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 Underlying Securities
(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 of Derivative Security: 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
Series B Preferred Stock (6) 05/14/2007 05/14/2007 C     36,486   (6)   (7) Common Stock 13,890 (8) $ 0 0 I Versant Side Fund I, L.P. (2)
Series B Preferred Stock (6) 05/14/2007 05/14/2007 C     1,864,865   (6)   (7) Common Stock 709,964 (8) $ 0 0 I Versant Venture Capital I, L.P. (3)
Series B Preferred Stock (6) 05/14/2007 05/14/2007 C     40,541   (6)   (7) Common Stock 15,434 (8) $ 0 0 I Versant Affiliates Fund I-A, L.P. (4)
Series B Preferred Stock (6) 05/14/2007 05/14/2007 C     85,135   (6)   (7) Common Stock 32,411 (8) $ 0 0 I Versant Affiliates Fund I-B, L.P. (5)
Series C Preferred Stock (6) 05/14/2007 05/14/2007 C     34,286   (6)   (7) Common Stock 13,052 (8) $ 0 0 I Versant Side Fund I, L.P. (2)
Series C Preferred Stock (6) 05/14/2007 05/14/2007 C     1,752,381   (6)   (7) Common Stock 667,141 (8) $ 0 0 I Versant Venture Capital I, L.P. (3)
Series C Preferred Stock (6) 05/14/2007 05/14/2007 C     38,095   (6)   (7) Common Stock 14,502 (8) $ 0 0 I Versant Affiliates Fund I-A, L.P. (4)
Series C Preferred Stock (6) 05/14/2007 05/14/2007 C     80,000   (6)   (7) Common Stock 30,456 (8) $ 0 0 I Versant Affiliates Fund I-B, L.P. (5)
Series D Preferred Stock (6) 05/14/2007 05/14/2007 C     24,894   (6)   (7) Common Stock 9,477 (8) $ 0 0 I Versant Side Fund I, L.P. (2)
Series D Preferred Stock (6) 05/14/2007 05/14/2007 C     1,272,337   (6)   (7) Common Stock 484,386 (8) $ 0 0 I Versant Venture Capital I, L.P. (3)
Series D Preferred Stock (6) 05/14/2007 05/14/2007 C     27,660   (6)   (7) Common Stock 10,530 (8) $ 0 0 I Versant Affiliates Fund I-A, L.P. (4)
Series D Preferred Stock (6) 05/14/2007 05/14/2007 C     58,085   (6)   (7) Common Stock 22,113 (8) $ 0 0 I Versant Affiliates Fund I-B, L.P. (5)
Series E Preferred Stock (6) 05/14/2007 05/14/2007 C     4,945   (6)   (7) Common Stock 1,882 (8) $ 0 0 I Versant Side Fund I, L.P. (2)
Series E Preferred Stock (6) 05/14/2007 05/14/2007 C     252,748   (6)   (7) Common Stock 96,222 (8) $ 0 0 I Versant Venture Capital I, L.P. (3)
Series E Preferred Stock (6) 05/14/2007 05/14/2007 C     5,495   (6)   (7) Common Stock 2,091 (8) $ 0 0 I Versant Affiliates Fund I-A, L.P. (4)
Series E Preferred Stock (6) 05/14/2007 05/14/2007 C     11,538   (6)   (7) Common Stock 4,392 (8) $ 0 0 I Versant Affiliates Fund I-B, L.P. (5)

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
VERSANT VENTURE CAPITAL I LP
3000 SAND HILL ROAD, #4-210
MENLO PARK, CA 94025
      Former 10% Holder
VERSANT SIDE FUND I LP
3000 SAND HILL ROAD, #4-210
MENLO PARK, CA 94025
      Former 10% Owner
VERSANT AFFILIATES FUND I-A LP
3000 SAND HILL ROAD, #4-210
MENLO PARK, CA 94025
      Former 10% Owner
VERSANT AFFILIATES FUND I-B LP
3000 SAND HILL ROAD, #4-210
MENLO PARK, CA 94025
      Former 10% Owner
VERSANT VENTURES I LLC
3000 SAND HILL ROAD, #4-210
MENLO PARK, CA 94025
      Former 10% Owner
ATWOOD BRIAN G
3000 SAND HILL ROAD, #4-210
MENLO PARK, CA 94025
      Former 10% Owner
LINK WILLIAM J PHD
3000 SAND HILL ROAD, #4-210
MENLO PARK, CA 94025
      Former 10% Owner
LUBASH BARBARA N
3000 SAND HILL ROAD, #4-210
MENLO PARK, CA 94025
      Former 10% Owner
MILDER DONALD B
3000 SAND HILL ROAD, #4-210
MENLO PARK, CA 94025
      Former 10% Owner
ROBERTSON REBECCA B
3000 SAND HILL ROAD, #4-210
MENLO PARK, CA 94025
      Former 10% Owner

Signatures

 /s/ Robin L. Praeger, Attorney-in-Fact   05/17/2007
**Signature of Reporting Person Date

 Robin L. Praeger, Attorney-in-Fact   05/16/2007
**Signature of Reporting Person Date

 Robin L. Praeger, Attorney-in-Fact   05/16/2007
**Signature of Reporting Person Date

 Robin L. Praeger, Attorney-in-Fact   05/16/2007
**Signature of Reporting Person Date

 Robin L. Praeger, Attorney-in-Fact   05/16/2007
**Signature of Reporting Person Date

 Robin L. Praeger, Attorney-in-Fact   05/16/2007
**Signature of Reporting Person Date

 Robin L. Praeger, Attorney-in-Fact   05/16/2007
**Signature of Reporting Person Date

 Robin L. Praeger, Attorney-in-Fact   05/16/2007
**Signature of Reporting Person Date

 Robin L. Praeger, Attorney-in-Fact   05/16/2007
**Signature of Reporting Person Date

 Robin L. Praeger, Attorney-in-Fact   05/16/2007
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) Each of the Reporting Persons disclaims beneficial ownership of the shares reported, except to the extent of their pecuniary interest therein.
(2) The shares are owned by Versant Side Fund I, L.P., and Versant Ventures I, LLC is its general partner.
(3) The shares are owned by Versant Venture Capital I, L.P., and Versant Ventures I, LLC is its general partner.
(4) The shares are owned by Versant Affiliates Fund I-A, L.P., and Versant Ventures I, LLC is its general partner.
(5) The shares are owned by Versant Affiliates Fund I-B, L.P., and Versant Ventures I, LLC is its general partner.
(6) The Issuer's preferred stock automatically converted into Common Stock on a 1-for-2.6267 basis upon the closing of the Issuer's initial public offering.
(7) The securities do not have an expiration date.
(8) Reflects the reverse split of the Common Stock effective upon the closing of the Issuer's initial public offering.
 
Remarks:
Samuel D. Colella is also part of this reporting group but is reporting on a separate form due to the limitations on the number of joint filers permitted on one form.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.