X0306 4 2021-12-19 0001158895 LEMAITRE VASCULAR INC LMAT 0001365733 Pellegrino Joseph P JR C/O LEMAITRE VASCULAR, INC. 63 SECOND AVENUE BURLINGTON MA 01803 1 1 Chief Financial Officer Common Stock 2021-12-19 4 M 0 15 0 A 9246 D Common Stock 2021-12-19 4 F 0 161 48.21 D 9085 D Common Stock 2021-12-20 4 M 0 6 0 A 9091 D Common Stock 2021-12-20 4 F 0 106 47.49 D 8958 D Dividend Equivalent Rights 2021-12-19 4 M 0 15 0 D Common Stock 15 36 D Dividend Equivalent Rights 2021-12-20 4 M 0 6 0 D Common Stock 6 22 D Represents shares acquired upon release of dividend equivalent rights, as reported in Table II, on a one-for-one basis. These shares represent shares withheld by the Issuer to satisfy tax withholding obligations incurred upon the vesting of restricted stock units awarded to the reporting person on December 19, 2018. This transaction is considered an exempt sale pursuant to Rule 16b-3(e) promulgated under the Securities Exchange Act of 1934. These shares represent shares withheld by the Issuer to satisfy tax withholding obligations incurred upon the vesting of restricted stock units awarded to the reporting person on December 20, 2019. This transaction is considered an exempt sale pursuant to Rule 16b-3(e) promulgated under the Securities Exchange Act of 1934. These dividend equivalent rights were released in connection with the vesting of a restricted stock unit award granted on December 19, 2018. Each dividend equivalent right is the economic equivalent of one share of the Issuer's common stock. These dividend equivalent rights were released in connection with the vesting of a restricted stock unit award granted on December 20, 2019. Each dividend equivalent right is the economic equivalent of one share of the Issuer's common stock. /s/ Laurie A. Churchill, Attorney-in-fact 2021-12-21