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) 02/13/2018 (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 02/13/2018   A   17,088 (1) A $ 0 93,592 (2) (3) D   Common Stock 02/14/2018   A   6,711 (4) A $ 0 100,303 (2) (3) D

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

Employee Stock Option (Right to Buy)

$ 74.5

02/14/2018

A

17,487

(5)

02/14/2028

Common Stock

17,487

$ 0

17,487

D

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		02/15/2018
**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)	The 17,088 performance share units were granted on February 24, 2016, and the Compensation Committee of the Board of Directors determined on February 13, 2018 that the performance share units were earned based on the performance of the Company. The full award remains subject to time-based vesting in accordance with the following schedule: one-half of the performance share units vest on the second anniversary of the date of grant and one-half of the performance share units vest on the third anniversary of the date of grant. Vested shares will be delivered to the reporting person as soon as practicable following a vesting date.
(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; 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 2,148 shares acquired under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 712 shares on December 31, 2015, 674 shares on June 30, 2016 and 762 shares on May 31, 2017.
(4)	The 6,711 restricted stock units vest one-third of the total units on February 14, 2019, one-third of the total units on February 14, 2020 and one-third of the total units on February 14, 2021, subject to continued employment. Vested shares will be delivered to the reporting person as soon as practicable following a vesting date.
(5)	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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