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 *
Petrovic Shacey
  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
__X__ Officer (give title below) _____ Other (specify below)
President and COO
(Last)
(First)
(Middle)
C/O INSULET CORPORATION, 600 TECHNOLOGY PARK DRIVE, SUITE 200
3. Date of Earliest Transaction (Month/Day/Year)
04/01/2017
(Street)

BILLERICA, MA 01821
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 04/01/2017   F   1,071 (1) D $ 43.09 82,922 (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
Petrovic Shacey
C/O INSULET CORPORATION
600 TECHNOLOGY PARK DRIVE, SUITE 200
BILLERICA, MA 01821
      President and COO  

Signatures

 /s/ David Colleran, attorney-in-fact   04/04/2017
**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 13,522 restricted stock units granted on February 22, 2017, which vest one-third of the total units on February 22, 2018, one-third of the total units on February 22, 2019, and one-third of the total units on February 22, 2020; 18,989 restricted stock units granted on February 9, 2015, which vest on February 9, 2018; 2,271 performance share units granted on April 1, 2015, which vest on April 1, 2018; and 14,240 restricted stock units granted on February 24, 2016, which vest one-half of the total units on February 24, 2018 and one-half of the total units on February 24, 2019, subject to continued employment. Vested shares will be delivered to the reporting person as soon as practicable following a vesting date.
(3) Includes an aggregate of 1,386 shares acquired under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 712 shares on December 31, 2015 and 674 shares on June 30, 2016.

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