X0306 4 2019-07-24 true 0001271214 Intersect ENT, Inc. XENT 0001530893 Earnhardt Lisa D C/O INTERSECT ENT, INC. 1555 ADAMS DRIVE MENLO PARK CA 94025 true false false false Common Stock 353183.00 D Common Stock 26182.00 I See footnote Stock Option (Right to buy) 33.95 2019-07-24 4 D false 44625.00 D 2019-10-22 Common Stock 44625.00 0.00 D Stock Option (Right to buy) 33.95 2019-07-24 4 A false 44625.00 A 2019-12-06 Common Stock 44625.00 44625.00 D Stock Option (right to buy) 28.58 2019-07-24 4 D false 19688.00 D 2019-10-22 Common Stock 19688.00 0.00 D Stock Option (right to buy) 28.58 2019-07-24 4 A false 19688.00 A 2019-12-06 Common Stock 19688.00 19688.00 D Stock Option (Right to buy) 21.06 2019-07-24 4 D false 150000.00 D 2019-10-22 Common Stock 150000.00 0.00 D Stock Option (Right to buy) 21.06 2019-07-24 4 A false 150000.00 A 2019-12-06 Common Stock 150000.00 150000.00 D Stock Option (Right to buy) 18.90 2019-07-24 4 D false 196875.00 D 2019-10-22 Common Stock 196875.00 0.00 D Stock Option (Right to buy) 18.90 2019-07-24 4 A false 196875.00 A 2019-12-06 Common Stock 196875.00 196875.00 D Stock Option (Right to buy) 13.05 2019-07-24 4 D false 45500.00 D 2019-10-22 Common Stock 45500.00 0.00 D Stock Option (Right to buy) 13.05 2019-07-24 4 A false 45500.00 A 2019-12-06 Common Stock 45500.00 45500.00 D Stock Option (Right to buy) 1.20 2019-07-24 4 D false 48333.00 D 2019-10-22 Common Stock 48333.00 0.00 D Stock Option (Right to buy) 1.20 2019-07-24 4 A false 48333.00 A 2019-12-06 Common Stock 48333.00 48333.00 D Shares in the name of Lisa Damkroger Earnhardt C/F Jack L. Earnhardt UTMA/CA Until Age 25 for the benefit of Reporting Person's son. Reporting Person disclaims beneficial ownership of these shares. The two reported transactions involved an amendment of an outstanding option extending the post-termination exercise period from 90 days to 135 days, resulting in the deemed cancellation of the "old" option and the grant of a replacement option. The option was originally granted on January 17, 2018 and 1/8th of the shares subject to the option vested on July 1, 2018 and 1/48th of the shares subject to the option vest monthly thereafter over 42 months. The number of shares reflected herein represent the number of outstanding shares that have vested as of July 24, 2019. All other shares subject to the 'old' option have been cancelled. The two reported transactions involved an amendment of an outstanding option extending the post-termination exercise period from 90 days to 135 days, resulting in the deemed cancellation of the "old" option and the grant of a replacement option. The option was originally granted on January 16, 2019 and 1/8th of the shares subject to the option vested on July 1, 2019 and 1/48th of the shares subject to the option vest monthly thereafter over 42 months. The number of shares reflected herein represent the number of outstanding shares that have vested as of July 24, 2019. All other shares subject to the 'old' option have been cancelled. The two reported transactions involved an amendment of an outstanding option extending the post-termination exercise period from 90 days to 135 days, resulting in the deemed cancellation of the "old" option and the grant of a replacement option. The option was originally granted on January 21, 2015 and 1/8th of the shares subject to the option vested on July 1, 2015 and 1/48th of the shares subject to the option vest monthly thereafter over 42 months. The number of shares reflected herein represent the number of outstanding shares that have vested as of July 24, 2019. The two reported transactions involved an amendment of an outstanding option extending the post-termination exercise period from 90 days to 135 days, resulting in the deemed cancellation of the "old" option and the grant of a replacement option. The option was originally granted on January 15, 2016 and vest in equal monthly installments over four years. The number of shares reflected herein represent the number of outstanding shares that have vested as of July 24, 2019. All other shares subject to the 'old' option have been cancelled. The two reported transactions involved an amendment of an outstanding option extending the post-termination exercise period from 90 days to 135 days, resulting in the deemed cancellation of the "old" option and the grant of a replacement option. The option was originally granted on January 18, 2017 and 1/8th of the shares subject to the option vested on July 1, 2017 and 1/48th of the shares subject to the option vest monthly thereafter over 42 months. The number of shares reflected herein represent the number of outstanding shares that have vested as of July 24, 2019. All other shares subject to the 'old' option have been cancelled. The two reported transactions involved an amendment of an outstanding option extending the post-termination exercise period from 90 days to 135 days, resulting in the deemed cancellation of the "old" option and the grant of a replacement option. The option was originally granted on April 23, 2013, 1/48th of the shares subject to the option vested on December 30, 2013 and 1/48th of the shares subject to the option vested monthly thereafter over 47 months. The number of shares reflected herein represent the number of outstanding shares that have vested as of July 24, 2019. /s/ David A. Lehman, Attorney-in-Fact for Earnhardt Lisa D 2019-07-24