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 * LIAMOS CHARLES T   2. Issuer Name and Ticker or Trading Symbol INSULET CORP [PODD] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief Operating Officer (Last) (First) (Middle) C/O INSULET CORPORATION, 9 OAK PARK DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 04/01/2013 (Street) BEDFORD, MA 01730 4. If Amendment, Date 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 (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 04/01/2013   F   2,932 (1) D $ 26 147,951 (2) (3) D

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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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
LIAMOS CHARLES T C/O INSULET CORPORATION 9 OAK PARK DRIVE BEDFORD, MA 01730	X		Chief Operating Officer

Signatures

/s/ R. Anthony Diehl, attorney in fact		04/03/2013
**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)	This transaction represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.
(2)	Includes 1,000 restricted stock units granted on June 1, 2010 which vest on June 1, 2013; 33,334 restricted stock units granted on January 10, 2011 which vest on December 31, 2013; 24,000 restricted stock units granted on April 1, 2012 which vest one-third of the total units on April 1, 2014, one-third of the total units on April 1, 2015 and one-third of the total units on April 1, 2016; and 30,000 restricted stock units granted on March 1, 2013 which vest one-quarter of the total units on March 1, 2014, one-quarter of the total units on March 1, 2015, one-quarter of the total units on March 1, 2016 and one-quarter of the total units on March 1, 2017. Vested shares will be delivered to the reporting person as soon as practicable following avesting date.
(3)	Includes an aggregate of 717 shares acquired under the Insulet Corporation Amended and Restated 2007 Employee Stock Purchase Plan on the following dates: 357 shares acquired on June 29, 2012; and 360 shares acquired on December 31, 2012.

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