PODD

SEC source: 0001127602-18-010422 · form4.xml · nonDerivative · entry 2

Thomas Bradley A · CIK 0001395641 · EVP Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,228

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · balance_after: Includes 2,271 performance share units granted on April 1, 2015, which vest on April 1, 2018; 3,418 restricted stock units granted on February 24, 2016, which vest on February 24, 2019; 4,328 restricted stock units granted on February 22, 2017, which vest one-half of the total units on February 22, 2019 and one-half of the total units on February 22, 2020; 6,836 performance share units granted on February 24, 2016, which vest on February 24, 2019; and 4,027 restricted stock units granted on February 14, 2018, which vest as to 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.

F3 · balance_after: Includes an aggregate of 1,787 shares purchased under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 569 shares acquired on December 31, 2015, 568 shares acquired on June 30, 2016, 127 shares acquired on November 30, 2016, and 523 shares acquired on November 30, 2017.

SEC source: 0001127602-18-010424 · form4.xml · nonDerivative · entry 1

SULLIVAN PATRICK J · CIK 0001039138 · Director · CEO and Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 257,852

F1 · shares: This transaction represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

F2 · balance_after: Includes 15,216 performance share units granted on April 1, 2015, which vest on April 1, 2018; 14,240 restricted stock units granted on February 24, 2016, which vest on February 24, 2019; 12,022 restricted stock units granted on February 22, 2017, which vest one-half of the total units on February 22, 2019 and one-half of the total units on February 22, 2020; 51,266 performance share units granted on February 24, 2016, which vest on February 24, 2019; and 12,081 restricted stock units granted on February 14, 2018, which vest as to 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. Vested shares will be delivered to the reporting person as soon as practicable following a vesting date.

F3 · balance_after: Includes an aggregate of 2,213 shares acquired under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 777 shares on December 31, 2015, 674 shares acquired on June 30, 2016 and 762 shares acquired on May 31, 2017.

SEC source: 0001127602-18-010422 · form4.xml · nonDerivative · entry 1

Thomas Bradley A · CIK 0001395641 · EVP Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,078

F1 · shares: This transaction represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

F2 · balance_after: Includes 2,271 performance share units granted on April 1, 2015, which vest on April 1, 2018; 3,418 restricted stock units granted on February 24, 2016, which vest on February 24, 2019; 4,328 restricted stock units granted on February 22, 2017, which vest one-half of the total units on February 22, 2019 and one-half of the total units on February 22, 2020; 6,836 performance share units granted on February 24, 2016, which vest on February 24, 2019; and 4,027 restricted stock units granted on February 14, 2018, which vest as to 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.

F3 · balance_after: Includes an aggregate of 1,787 shares purchased under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 569 shares acquired on December 31, 2015, 568 shares acquired on June 30, 2016, 127 shares acquired on November 30, 2016, and 523 shares acquired on November 30, 2017.

SEC source: 0001127602-18-008806 · form4.xml · nonDerivative · entry 2

SULLIVAN PATRICK J · CIK 0001039138 · Director · CEO and Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 264,320

F1 · shares: This transaction represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

F2 · balance_after: Includes 14,550 restricted stock units granted on March 2, 2015, which vest on March 2, 2018; 15,216 performance share units granted on April 1, 2015, which vest on April 1, 2018; 14,240 restricted stock units granted on February 24, 2016, which vest on February 24, 2019; 12,022 restricted stock units granted on February 22, 2017, which vest one-half of the total units on February 22, 2019 and one-half of the total units on February 22, 2020; 51,266 performance share units granted on February 24, 2016, which vest on February 24, 2019; and 12,081 restricted stock units granted on February 14, 2018, which vest as to 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. Vested shares will be delivered to the reporting person as soon as practicable following a vesting date.

F3 · balance_after: Includes an aggregate of 2,213 shares acquired under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 777 shares on December 31, 2015, 674 shares acquired on June 30, 2016 and 762 shares acquired on May 31, 2017.

SEC source: 0001127602-18-008806 · form4.xml · nonDerivative · entry 1

SULLIVAN PATRICK J · CIK 0001039138 · Director · CEO and Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 270,650

F1 · shares: This transaction represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

F2 · balance_after: Includes 14,550 restricted stock units granted on March 2, 2015, which vest on March 2, 2018; 15,216 performance share units granted on April 1, 2015, which vest on April 1, 2018; 14,240 restricted stock units granted on February 24, 2016, which vest on February 24, 2019; 12,022 restricted stock units granted on February 22, 2017, which vest one-half of the total units on February 22, 2019 and one-half of the total units on February 22, 2020; 51,266 performance share units granted on February 24, 2016, which vest on February 24, 2019; and 12,081 restricted stock units granted on February 14, 2018, which vest as to 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. Vested shares will be delivered to the reporting person as soon as practicable following a vesting date.

F3 · balance_after: Includes an aggregate of 2,213 shares acquired under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 777 shares on December 31, 2015, 674 shares acquired on June 30, 2016 and 762 shares acquired on May 31, 2017.

SEC source: 0001127602-18-008816 · form4.xml · nonDerivative · entry 1

Alpuche Charles · CIK 0001665678 · EVP & Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,063

F1 · shares: This transaction represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

F2 · balance_after: Includes 5,341 restricted stock units granted on February 3, 2016, which vest on February 3, 2019; 6,836 performance share units granted on February 24, 2016, which vest on February 24, 2019; 7,212 restricted stock units granted on February 22, 2017, which vest one-half of the total units on February 22, 2019 and one-half of the total units on February 22, 2020; and 6,711 restricted stock units granted on February 14, 2018, which 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.

F3 · balance_after: Includes an aggregate of 729 shares acquired under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 613 shares acquired on May 31, 2017 and 116 shares acquired on November 30, 2017.

SEC source: 0001127602-18-008814 · form4.xml · nonDerivative · entry 2

Benjamin Eric · CIK 0001731734 · SVP, R&D, New Prod Dev. & Comm

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,239

F1 · shares: This transaction represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

F2 · balance_after: Includes 343 restricted stock units granted on July 1, 2015, which vest on July 1, 2018; 2,562 performance share units granted on February 24, 2016, which vest on February 24, 2019; 855 restricted stock units granted on February 24, 2016, which vest on February 24, 2019; 1,262 restricted stock units granted on February 22, 2017, which vest as to one-half of the total shares on February 22, 2019 and one-half of the total shares on February 22, 2020; and 2,013 restricted stock units granted on February 14, 2018, which vest as to 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.

F3 · balance_after: Includes an aggregate of 1,409 shares acquired under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 418 shares acquired on June 30, 2016, 306 shares acquired on November 30, 2016, 419 shares acquired on May 31, 2017 and 266 shares acquired on November 30, 2017.

SEC source: 0001127602-18-008814 · form4.xml · nonDerivative · entry 1

Benjamin Eric · CIK 0001731734 · SVP, R&D, New Prod Dev. & Comm

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,491

F1 · shares: This transaction represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

F2 · balance_after: Includes 343 restricted stock units granted on July 1, 2015, which vest on July 1, 2018; 2,562 performance share units granted on February 24, 2016, which vest on February 24, 2019; 855 restricted stock units granted on February 24, 2016, which vest on February 24, 2019; 1,262 restricted stock units granted on February 22, 2017, which vest as to one-half of the total shares on February 22, 2019 and one-half of the total shares on February 22, 2020; and 2,013 restricted stock units granted on February 14, 2018, which vest as to 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.

F3 · balance_after: Includes an aggregate of 1,409 shares acquired under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 418 shares acquired on June 30, 2016, 306 shares acquired on November 30, 2016, 419 shares acquired on May 31, 2017 and 266 shares acquired on November 30, 2017.

SEC source: 0001127602-18-008812 · form4.xml · nonDerivative · entry 2

Colleran David · CIK 0001646558 · SVP, Secretary and GC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,095

F1 · shares: This transaction represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

F2 · balance_after: Includes 7,209 restricted stock units granted on June 29, 2015, which vest on June 29, 2018; 2,279 restricted stock units granted on February 24, 2016, which vest on February 24, 2019; 5,982 performance share units granted on February 24, 2016, which vest on February 24, 2019; 2,885 restricted stock units granted on February 22, 2017, which vest one-half of the total units on February 22, 2019 and one-half of the total units on February 22, 2020; and 2,685 restricted stock units granted on February 14, 2018, which vest as to 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.

F3 · balance_after: Includes an aggregate of 406 shares acquired under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 94 shares acquired on November 30, 2016, 117 shares acquired on May 31, 2017 and 195 shares acquired on November 30, 2017.

SEC source: 0001127602-18-008812 · form4.xml · nonDerivative · entry 1

Colleran David · CIK 0001646558 · SVP, Secretary and GC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,766

F1 · shares: This transaction represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

F2 · balance_after: Includes 7,209 restricted stock units granted on June 29, 2015, which vest on June 29, 2018; 2,279 restricted stock units granted on February 24, 2016, which vest on February 24, 2019; 5,982 performance share units granted on February 24, 2016, which vest on February 24, 2019; 2,885 restricted stock units granted on February 22, 2017, which vest one-half of the total units on February 22, 2019 and one-half of the total units on February 22, 2020; and 2,685 restricted stock units granted on February 14, 2018, which vest as to 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.

F3 · balance_after: Includes an aggregate of 406 shares acquired under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 94 shares acquired on November 30, 2016, 117 shares acquired on May 31, 2017 and 195 shares acquired on November 30, 2017.

SEC source: 0001127602-18-008810 · form4.xml · nonDerivative · entry 2

Levitz Michael L · CIK 0001468019 · SVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,646

F1 · shares: This transaction represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

F2 · balance_after: Includes 14,343 restricted stock units granted on May 4, 2015, which vest on May 4, 2018; 3,418 restricted stock units granted on February 24, 2016, which vest on February 24, 2019; 5,982 performance share units granted on February 24, 2016, which vest on February 24, 2019; and 4,328 restricted stock units granted on February 22, 2017, which vest one-half of the total units on February 22, 2019 and one-half of the total units on February 22, 2020; and 4,027 restricted stock units granted on February 14, 2018, which vest as to 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.

F3 · balance_after: Includes 462 shares acquired on November 30, 2017 under the Insulet Corporation 2007 Employee Stock Purchase Plan.

SEC source: 0001127602-18-008810 · form4.xml · nonDerivative · entry 1

Levitz Michael L · CIK 0001468019 · SVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 68,653

F1 · shares: This transaction represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

F2 · balance_after: Includes 14,343 restricted stock units granted on May 4, 2015, which vest on May 4, 2018; 3,418 restricted stock units granted on February 24, 2016, which vest on February 24, 2019; 5,982 performance share units granted on February 24, 2016, which vest on February 24, 2019; and 4,328 restricted stock units granted on February 22, 2017, which vest one-half of the total units on February 22, 2019 and one-half of the total units on February 22, 2020; and 4,027 restricted stock units granted on February 14, 2018, which vest as to 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.

F3 · balance_after: Includes 462 shares acquired on November 30, 2017 under the Insulet Corporation 2007 Employee Stock Purchase Plan.

SEC source: 0001127602-18-008809 · form4.xml · nonDerivative · entry 2

Petrovic Shacey · CIK 0001631895 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,336

F1 · shares: This transaction represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

F2 · balance_after: Includes 9,015 restricted stock units granted on February 22, 2017, which vest as to one-half of the total units on February 22, 2019 and one-half of the total units on February 22, 2020; 2,271 performance share units granted on April 1, 2015, which vest on April 1, 2018; 7,120 restricted stock units granted on February 24, 2016, which vest on February 24, 2019; 8,544 performance share units granted on February 24, 2016, which vest on February 24, 2019; and 6,711 restricted stock units granted on February 14, 2018, which vest as to 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.

F3 · balance_after: 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.

SEC source: 0001127602-18-008809 · form4.xml · nonDerivative · entry 1

Petrovic Shacey · CIK 0001631895 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 94,501

F1 · shares: This transaction represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

F2 · balance_after: Includes 9,015 restricted stock units granted on February 22, 2017, which vest as to one-half of the total units on February 22, 2019 and one-half of the total units on February 22, 2020; 2,271 performance share units granted on April 1, 2015, which vest on April 1, 2018; 7,120 restricted stock units granted on February 24, 2016, which vest on February 24, 2019; 8,544 performance share units granted on February 24, 2016, which vest on February 24, 2019; and 6,711 restricted stock units granted on February 14, 2018, which vest as to 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.

F3 · balance_after: 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.

SEC source: 0001127602-18-008808 · form4.xml · nonDerivative · entry 2

Spears Michael P · CIK 0001667779 · SVP, QA and RA

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,161

F1 · shares: This transaction represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

F2 · balance_after: Includes 4,328 restricted stock units granted on February 22, 2017, which vest as to one-half of the total units on February 22, 2019 and one-half of the total units on February 22, 2020; 7,477 restricted stock units granted on July 27, 2015, which vest on July 27, 2018; 3,418 restricted stock units granted on February 24, 2016, which vest on February 24, 2019; 5,982 performance share units granted on February 24, 2016, which vest on February 24, 2019; and 4,027 restricted stock units granted on February 14, 2018, which vest as to 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.

SEC source: 0001127602-18-008808 · form4.xml · nonDerivative · entry 1

Spears Michael P · CIK 0001667779 · SVP, QA and RA

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,168

F1 · shares: This transaction represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

F2 · balance_after: Includes 4,328 restricted stock units granted on February 22, 2017, which vest as to one-half of the total units on February 22, 2019 and one-half of the total units on February 22, 2020; 7,477 restricted stock units granted on July 27, 2015, which vest on July 27, 2018; 3,418 restricted stock units granted on February 24, 2016, which vest on February 24, 2019; 5,982 performance share units granted on February 24, 2016, which vest on February 24, 2019; and 4,027 restricted stock units granted on February 14, 2018, which vest as to 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.

SEC source: 0001127602-18-008804 · form4.xml · nonDerivative · entry 2

Thomas Bradley A · CIK 0001395641 · EVP Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,812

F1 · shares: This transaction represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

F2 · balance_after: Includes 4,102 restricted stock units granted on March 2, 2015, which vest on March 2, 2018; 2,271 performance share units granted on April 1, 2015, which vest on April 1, 2018; 3,418 restricted stock units granted on February 24, 2016, which vest on February 24, 2019; 4,328 restricted stock units granted on February 22, 2017, which vest one-half of the total units on February 22, 2019 and one-half of the total units on February 22, 2020; 6,836 performance share units granted on February 24, 2016, which vest on February 24, 2019; and 4,027 restricted stock units granted on February 14, 2018, which vest as to 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.

F3 · balance_after: Includes an aggregate of 1,787 shares purchased under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 569 shares acquired on December 31, 2015, 568 shares acquired on June 30, 2016, 127 shares acquired on November 30, 2016, and 523 shares acquired on November 30, 2017.

SEC source: 0001127602-18-008804 · form4.xml · nonDerivative · entry 1

Thomas Bradley A · CIK 0001395641 · EVP Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,819

F1 · shares: This transaction represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

F2 · balance_after: Includes 4,102 restricted stock units granted on March 2, 2015, which vest on March 2, 2018; 2,271 performance share units granted on April 1, 2015, which vest on April 1, 2018; 3,418 restricted stock units granted on February 24, 2016, which vest on February 24, 2019; 4,328 restricted stock units granted on February 22, 2017, which vest one-half of the total units on February 22, 2019 and one-half of the total units on February 22, 2020; 6,836 performance share units granted on February 24, 2016, which vest on February 24, 2019; and 4,027 restricted stock units granted on February 14, 2018, which vest as to 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.

F3 · balance_after: Includes an aggregate of 1,787 shares purchased under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 569 shares acquired on December 31, 2015, 568 shares acquired on June 30, 2016, 127 shares acquired on November 30, 2016, and 523 shares acquired on November 30, 2017.

SEC source: 0001127602-18-008536 · form4.xml · nonDerivative · entry 1

SULLIVAN PATRICK J · CIK 0001039138 · Director · CEO and Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 292,413

F1 · shares: This transaction represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

F2 · balance_after: Includes 14,550 restricted stock units granted on March 2, 2015, which vest on March 2, 2018; 15,216 performance share units granted on April 1, 2015, which vest on April 1, 2018; 28,480 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; 12,022 restricted stock units granted on February 22, 2017, which vest one-half of the total units on February 22, 2019 and one-half of the total units on February 22, 2020; 102,530 performance share units granted on February 24, 2016, which vest as to one-half of the total units on February 24, 2018 and one-half of the total units on February 24, 2019; and 12,081 restricted stock units granted on February 14, 2018, which vest as to 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. Vested shares will be delivered to the reporting person as soon as practicable following a vesting date.

F3 · balance_after: Includes an aggregate of 2,213 shares acquired under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 777 shares on December 31, 2015, 674 shares acquired on June 30, 2016 and 762 shares acquired on May 31, 2017.

SEC source: 0001127602-18-008537 · form4.xml · nonDerivative · entry 1

Thomas Bradley A · CIK 0001395641 · EVP Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,833

F1 · shares: This transaction represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

F2 · balance_after: Includes 4,102 restricted stock units granted on March 2, 2015, which vest on March 2, 2018; 2,271 performance share units granted on April 1, 2015, which vest on April 1, 2018; 6,836 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; 4,328 restricted stock units granted on February 22, 2017, which vest one-half of the total units on February 22, 2019 and one-half of the total units on February 22, 2020; 13,670 performance share units granted on February 24, 2016, which vest as to one-half of the total units on February 24, 2018 and one-half of the total units on February 24, 2019; and 4,027 restricted stock units granted on February 14, 2018, which vest as to 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.

F3 · balance_after: Includes an aggregate of 1,787 shares purchased under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 569 shares acquired on December 31, 2015, 568 shares acquired on June 30, 2016, 127 shares acquired on November 30, 2016, and 523 shares acquired on November 30, 2017.

SEC source: 0001127602-18-008533 · form4.xml · nonDerivative · entry 1

Spears Michael P · CIK 0001667779 · SVP, QA and RA

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,930

F1 · shares: This transaction represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

F2 · balance_after: Includes 4,328 restricted stock units granted on February 22, 2017, which vest as to one-half of the total units on February 22, 2019 and one-half of the total units on February 22, 2020; 7,477 restricted stock units granted on July 27, 2015, which vest on July 27, 2018; 6,836 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; 11,962 performance share units granted on February 24, 2016, which vest as to one-half of the total units on February 24, 2018 and one-half of the total units on February 24, 2019; and 4,027 restricted stock units granted on February 14, 2018, which vest as to 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.

SEC source: 0001127602-18-008532 · form4.xml · nonDerivative · entry 1

Petrovic Shacey · CIK 0001631895 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 98,299

F1 · shares: This transaction represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

F2 · balance_after: Includes 9,015 restricted stock units granted on February 22, 2017, which vest as to one-half of the total units on February 22, 2019 and one-half of the total units on February 22, 2020; 2,271 performance share units granted on April 1, 2015, which vest on April 1, 2018; 14,240 restricted stock units granted on February 24, 2016, which vest as to one-half of the total units on February 24, 2018 and one-half of the total units on February 24, 2019; 17,088 performance share units granted on February 24, 2016, which vest as to one-half of the total units on February 24, 2018 and one-half of the total units on February 24, 2019; and 6,711 restricted stock units granted on February 14, 2018, which vest as to 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.

F3 · balance_after: 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.

SEC source: 0001127602-18-008531 · form4.xml · nonDerivative · entry 1

Levitz Michael L · CIK 0001468019 · SVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,415

F1 · shares: This transaction represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

F2 · balance_after: Includes 14,343 restricted stock units granted on May 4, 2015, which vest on May 4, 2018; 6,836 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; 11,962 performance share units granted on February 24, 2016, which vest as to one-half of the total units on February 24, 2018 and one-half of the total units on February 24, 2019; and 4,328 restricted stock units granted on February 22, 2017, which vest one-half of the total units on February 22, 2019 and one-half of the total units on February 22, 2020; and 4,027 restricted stock units granted on February 14, 2018, which vest as to 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.

F3 · balance_after: Includes 462 shares acquired on November 30, 2017 under the Insulet Corporation 2007 Employee Stock Purchase Plan.

SEC source: 0001127602-18-008527 · form4.xml · nonDerivative · entry 1

Colleran David · CIK 0001646558 · SVP, Secretary and GC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,525

F1 · shares: This transaction represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

F2 · balance_after: Includes 7,209 restricted stock units granted on June 29, 2015, which vest on June 29, 2018; 4,557 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; 11,962 performance share units granted on February 24, 2016, which vest as to one-half of the total units on February 24, 2018 and one-half of the total units on February 24, 2019; 2,885 restricted stock units granted on February 22, 2017, which vest one-half of the total units on February 22, 2019, and one-half of the total units on February 22, 2020; and 2,685 restricted stock units granted on February 14, 2018, which vest as to 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.

F3 · balance_after: Includes an aggregate of 406 shares acquired under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 94 shares acquired on November 30, 2016, 117 shares acquired on May 31, 2017 and 195 shares acquired on November 30, 2017.

SEC source: 0001127602-18-008525 · form4.xml · nonDerivative · entry 1

Benjamin Eric · CIK 0001731734 · SVP, R&D, New Prod Dev. & Comm

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,266

F1 · shares: This transaction represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

F2 · balance_after: Includes 343 restricted stock units granted on July 1, 2015, which vest on July 1, 2018; 5,126 performance share units granted on February 24, 2016, which vest as to one-half of the total units on February 24, 2018 and one-half of the total units on February 24, 2019; 1,709 restricted stock units granted on February 24, 2016, which vest as to one-half of the total shares on February 24, 2018 and one-half of the total shares on February 24, 2019; 1,262 restricted stock units granted on February 22, 2017, which vest as to one-half of the total shares on February 22, 2019 and one-half of the total shares on February 22, 2020; and 2,013 restricted stock units granted on February 14, 2018, which vest as to 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.

F3 · balance_after: Includes an aggregate of 1,409 shares acquired under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 418 shares acquired on June 30, 2016, 306 shares acquired on November 30, 2016, 419 shares acquired on May 31, 2017 and 266 shares acquired on November 30, 2017.

SEC source: 0001127602-18-008521 · form4.xml · nonDerivative · entry 1

Alpuche Charles · CIK 0001665678 · EVP & Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,515

F1 · shares: This transaction represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

F2 · balance_after: Includes 5,341 restricted stock units granted on February 3, 2016, which vest on February 3, 2019; 13,670 performance share 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; 7,212 restricted stock units granted on February 22, 2017, which vest one-half of the total units on February 22, 2019 and one-half of the total units on February 22, 2020; and 6,711 restricted stock units granted on February 14, 2018, which 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.

F3 · balance_after: Includes an aggregate of 729 shares acquired under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 613 shares acquired on May 31, 2017 and 116 shares acquired on November 30, 2017.

SEC source: 0001127602-18-008519 · form4.xml · nonDerivative · entry 1

Abdel-Malek Aiman · CIK 0001670040 · EVP & Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,583

F1 · shares: This transaction represents the withholding of shares received upon the vesting of restricted stock units to cover the associated tax obligations.

F2 · balance_after: Includes 9,348 restricted stock units granted on March 28, 2016, which vest one-half of the total units on March 28, 2018 and one-half of the total units on March 28, 2019; 8,012 performance share units granted on March 28, 2016, which vest one-half of the total units on March 28, 2018 and one-half of the total units on March 28, 2019; 2,885 restricted stock units granted on February 22, 2017, which vest one-half of the total units on February 22, 2019 and one-half of the total units on February 22, 2020; and 2,685 restricted stock units granted on February 14, 2018, which 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.

F3 · balance_after: Includes an aggregate of 1,197 shares acquired under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 474 shares acquired on November 30, 2016, 588 shares acquired on May 31, 2017 and 135 shares acquired on November 30, 2017.

SEC source: 0001127602-18-006485 · form4.xml · derivative · entry 4

SULLIVAN PATRICK J · CIK 0001039138 · Director · CEO and Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,476

Underlying: Common Stock · 31,476 shares

Expires 2028-02-14

F5 · derivative.exercise_date: 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.

SEC source: 0001127602-18-006485 · form4.xml · nonDerivative · entry 2

SULLIVAN PATRICK J · CIK 0001039138 · Director · CEO and Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 294,188

F4 · shares: The 12,081 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.

F2 · balance_after: Includes 14,550 restricted stock units granted on March 2, 2015, which vest on March 2, 2018; 15,216 performance share units granted on April 1, 2015, which vest on April 1, 2018; 28,480 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; and 18,033 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. Vested shares will be delivered to the reporting person as soon as practicable following a vesting date.

F3 · balance_after: Includes an aggregate of 2,213 shares acquired under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 777 shares on December 31, 2015, 674 shares acquired on June 30, 2016 and 762 shares acquired on May 31, 2017.

SEC source: 0001127602-18-006484 · form4.xml · derivative · entry 3

Spears Michael P · CIK 0001667779 · SVP, QA and RA

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,492

Underlying: Common Stock · 10,492 shares

Expires 2028-02-14

F4 · derivative.exercise_date: 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.

SEC source: 0001127602-18-006484 · form4.xml · nonDerivative · entry 2

Spears Michael P · CIK 0001667779 · SVP, QA and RA

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,610

F3 · shares: The 4,027 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.4,027

F2 · balance_after: Includes 6,491 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; 7,477 restricted stock units granted on July 27, 2015, which vest on July 27, 2018; and 6,836 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.

SEC source: 0001127602-18-006483 · form4.xml · derivative · entry 3

Petrovic Shacey · CIK 0001631895 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,487

Underlying: Common Stock · 17,487 shares

Expires 2028-02-14

F5 · derivative.exercise_date: 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.

SEC source: 0001127602-18-006483 · form4.xml · nonDerivative · entry 2

Petrovic Shacey · CIK 0001631895 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,303

F4 · shares: 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.

F2 · balance_after: 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.

F3 · balance_after: 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.

SEC source: 0001127602-18-006482 · form4.xml · derivative · entry 3

Levitz Michael L · CIK 0001468019 · SVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,492

Underlying: Common Stock · 10,492 shares

Expires 2028-02-14

F5 · derivative.exercise_date: 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.

SEC source: 0001127602-18-006482 · form4.xml · nonDerivative · entry 2

Levitz Michael L · CIK 0001468019 · SVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,092

F4 · shares: The 4,027 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.

F2 · balance_after: Includes 14,343 restricted stock units granted on May 4, 2015, which vest on May 4, 2018; 6,836 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; and 6,491 restricted stock units granted on February 22, 2017, which vest one-third of the total units on February 22, 2018, and one-third of the total units on February 22, 2019, and one-third of the total units on February 22, 2020, subject to continued employment. Vested shares will be delivered to the reporting person as soon as practicable following a vesting date.

F3 · balance_after: Includes 462 shares acquired on November 30, 2017 under the Insulet Corporation 2007 Employee Stock Purchase Plan.

SEC source: 0001127602-18-006481 · form4.xml · derivative · entry 3

Colleran David · CIK 0001646558 · SVP, Secretary and GC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,995

Underlying: Common Stock · 6,995 shares

Expires 2028-02-14

F5 · derivative.exercise_date: 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.

SEC source: 0001127602-18-006481 · form4.xml · nonDerivative · entry 2

Colleran David · CIK 0001646558 · SVP, Secretary and GC

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,995

F4 · shares: The 2,685 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.

F2 · balance_after: Includes 7,209 restricted stock units granted on June 29, 2015, which vest on June 29, 2018; 4,557 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; and 4,327 restricted stock units granted on February 22, 2017, which vest one-third of the total units on February 22, 2018, and one-third of the total units on February 22, 2019, and one-third of the total units on February 22, 2020, subject to continued employment. Vested shares will be delivered to the reporting person as soon as practicable following a vesting date.

F3 · balance_after: Includes an aggregate of 406 shares acquired under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 94 shares acquired on November 30, 2016, 117 shares acquired on May 31, 2017 and 195 shares acquired on November 30, 2017.

SEC source: 0001127602-18-006480 · form4.xml · derivative · entry 2

Christensen Bret · CIK 0001707443 · SVP and CCO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,241

Underlying: Common Stock · 12,241 shares

Expires 2028-02-14

F3 · derivative.exercise_date: 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.

SEC source: 0001127602-18-006480 · form4.xml · nonDerivative · entry 1

Christensen Bret · CIK 0001707443 · SVP and CCO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,704

F1 · shares: The 4,698 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.

F2 · balance_after: Includes 7,006 restricted stock units granted on May 26, 2017, which vest one-third of the total units on May 26, 2018, one-third of the total units on May 26, 2019 and one-third of the total units on May 26, 2020, subject to continued employment. Vested shares will be delivered to the reporting person as soon as practicable following a vesting date.

SEC source: 0001127602-18-006479 · form4.xml · derivative · entry 3

Alpuche Charles · CIK 0001665678 · EVP & Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,487

Underlying: Common Stock · 17,487 shares

Expires 2028-02-14

F5 · derivative.exercise_date: This option is subject to a three-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 8 quarters, subject to continued employment.

SEC source: 0001127602-18-006479 · form4.xml · nonDerivative · entry 2

Alpuche Charles · CIK 0001665678 · EVP & Chief Operations Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,577

F4 · shares: 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.

F2 · balance_after: Includes 5,341 restricted stock units granted on February 3, 2016, which vest on February 3, 2019; and 10,818 restricted stock units granted on February 22, 2017, which vest one-third of the total units on February 22, 2018, and one-third of the total units on February 22, 2019, and one-third of the total units on February 22, 2020, subject to continued employment. Vested shares will be delivered to the reporting person as soon as practicable following a vesting date.

F3 · balance_after: Includes an aggregate of 729 shares acquired under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 613 shares acquired on May 31, 2017 and 116 shares acquired on November 30, 2017.

SEC source: 0001127602-18-006478 · form4.xml · derivative · entry 3

Abdel-Malek Aiman · CIK 0001670040 · EVP & Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,995

Underlying: Common Stock · 6,995 shares

Expires 2028-02-14

F5 · derivative.exercise_date: 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.

SEC source: 0001127602-18-006478 · form4.xml · nonDerivative · entry 2

Abdel-Malek Aiman · CIK 0001670040 · EVP & Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,050

F4 · shares: The 2,685 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.

F2 · balance_after: Includes 9,348 restricted stock units granted on March 28, 2016, which vest one-half of the total units on March 28, 2018 and one-half of the total units on March 28, 2019; and 4,327 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, subject to continued employment. Vested shares will be delivered to the reporting person as soon as practicable following a vesting date.

F3 · balance_after: Includes an aggregate of 1,197 shares acquired under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 474 shares acquired on November 30, 2016, 588 shares acquired on May 31, 2017 and 135 shares acquired on November 30, 2017.

SEC source: 0001127602-18-006477 · form4.xml · derivative · entry 3

Thomas Bradley A · CIK 0001395641 · EVP Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,492

Underlying: Common Stock · 10,492 shares

Expires 2028-02-14

F5 · derivative.exercise_date: 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.

SEC source: 0001127602-18-006477 · form4.xml · nonDerivative · entry 2

Thomas Bradley A · CIK 0001395641 · EVP Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,508

F4 · shares: The 4,027 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.

F2 · balance_after: Includes 4,102 restricted stock units granted on March 2, 2015, which vest on March 2, 2018; 2,271 performance share units granted on April 1, 2015, which vest on April 1, 2018; 6,836 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; and 6,491 restricted stock units granted on February 22, 2017, which vest one-third of the total units on February 22, 2018, and one-third of the total units on February 22, 2019, and one-third of the total units on February 22, 2020 , subject to continued employment. Vested shares will be delivered to the reporting person as soon as practicable following a vesting date.

F3 · balance_after: Includes an aggregate of 1,787 shares purchased under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 569 shares acquired on December 31, 2015, 568 shares acquired on June 30, 2016, 127 shares acquired on November 30, 2016, and 523 shares acquired on November 30, 2017.

SEC source: 0001127602-18-006626 · form4.xml · derivative · entry 2

Benjamin Eric · CIK 0001731734 · SVP, R&D, New Prod Dev. & Comm

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,246

Underlying: Common Stock · 5,246 shares

Expires 2018-02-14

F5 · derivative.exercise_date: 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.

SEC source: 0001127602-18-006626 · form4.xml · nonDerivative · entry 1

Benjamin Eric · CIK 0001731734 · SVP, R&D, New Prod Dev. & Comm

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,486

F1 · shares: The 2,013 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.

F2 · balance_after: Includes 343 restricted stock units granted on July 1, 2015, which vest on July 1, 2018; 1,709 restricted stock units granted on February 24, 2016, which vest as to one-half of the total shares on February 24, 2018 and one-half of the total shares on February 24, 2019; and 1,893 restricted stock units granted on February 22, 2017, which vest as to one-third of the total shares on February 22, 2018, one-third of the total shares on February 22, 2019 and one-third of the total shares on February 22, 2020, subject to continued employment. Vested shares will be delivered to the reporting person as soon as practicable following a vesting date.

F3 · balance_after: Includes 5,126 performance share units that 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.

F4 · balance_after: Includes an aggregate of 1,409 shares acquired under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 418 shares acquired on June 30, 2016, 306 shares acquired on November 30, 2016, 419 shares acquired on May 31, 2017 and 266 shares acquired on November 30, 2017.

SEC source: 0001127602-18-006485 · form4.xml · nonDerivative · entry 1

SULLIVAN PATRICK J · CIK 0001039138 · Director · CEO and Chairman of the Board

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 282,107

F1 · shares: The 102,530 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.

F2 · balance_after: Includes 14,550 restricted stock units granted on March 2, 2015, which vest on March 2, 2018; 15,216 performance share units granted on April 1, 2015, which vest on April 1, 2018; 28,480 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; and 18,033 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. Vested shares will be delivered to the reporting person as soon as practicable following a vesting date.

F3 · balance_after: Includes an aggregate of 2,213 shares acquired under the Insulet Corporation 2007 Employee Stock Purchase Plan on the following dates: 777 shares on December 31, 2015, 674 shares acquired on June 30, 2016 and 762 shares acquired on May 31, 2017.

SEC source: 0001127602-18-006484 · form4.xml · nonDerivative · entry 1

Spears Michael P · CIK 0001667779 · SVP, QA and RA

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,583

F1 · shares: The 11,962 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.

F2 · balance_after: Includes 6,491 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; 7,477 restricted stock units granted on July 27, 2015, which vest on July 27, 2018; and 6,836 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.

SEC source: 0001127602-18-006483 · form4.xml · nonDerivative · entry 1

Petrovic Shacey · CIK 0001631895 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 93,592

F1 · shares: 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.

F2 · balance_after: 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.

F3 · balance_after: 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.