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 *
SULLIVAN PATRICK J
  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)
President & CEO
(Last)
(First)
(Middle)
C/O INSULET CORPORATION, 600 TECHNOLOGY PARK DRIVE, SUITE 200
3. Date of Earliest Transaction (Month/Day/Year)
10/12/2016
(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 10/12/2016   M   3,075 A $ 32.51 221,544 (1) (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
Employee Stock Option (Right to Buy) $ 32.51 10/12/2016   M     3,075   (4) 03/02/2025 Common Stock 3,075 (3) $ 0 59,110 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
SULLIVAN PATRICK J
C/O INSULET CORPORATION
600 TECHNOLOGY PARK DRIVE, SUITE 200
BILLERICA, MA 01821
  X     President & CEO  

Signatures

 /s/ David Colleran, attorney-in-fact   10/14/2016
**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) Includes 777 shares acquired on December 31, 2015 and 674 shares acquired on June 30, 2016 under the Insulet Corporation 2007 Employee Stock Purchase Plan.
(2) Includes 29,100 restricted stock units granted on March 2, 2015, which vest one-half of the total units on March 2, 2017 and one-half of the total units on March 2, 2018; 30,432 performance share units granted on April 1, 2015, which vest one-half of the total performance share units on April 1, 2017 and one-half of the total performance share units on April 1, 2018; and 42,720 restricted stock units granted on February 24, 2016, which vest one-third of the total units on February 24, 2017, one-third of the total units on February 24, 2018 and one-third of the total units on February 24, 2019. Vested shares will be delivered to the reporting person as soon as practicable following a vesting date.
(3) The transaction referenced in Tables I and II represents the exercise for cash by the reporting person of options to acquire 3,075 shares of the Company's common stock. All of the underlying shares of common stock issued upon exercise of the options have been retained by the reporting person and no sale of common stock occurred in connection with this transaction.
(4) This option is subject to a four-year vesting period, with 25% of the total award vesting one year after the grant date and the remainder vesting in equal quarterly installments each quarter thereafter for 12 quarters, subject to continued employment.

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