X0306 4 2021-12-02 0001158895 LEMAITRE VASCULAR INC LMAT 0001365739 Kamke Trent G C/O LEMAITRE VASCULAR , INC. 63 SECOND AVENUE BURLINGTON MA 01803 1 Senior V. P., Operations Common Stock 2021-12-02 4 M 0 1 0 A 10539 D Common Stock 2021-12-02 4 F 0 46 48.53 D 10493 D Dividend Equivalent Rights 0 2021-12-02 4 M 0 1 0 D Common Stock 1 2 D Dividend Equivalent Rights 2021-12-02 4 A 0 1 0 A Common Stock 1 15 D Dividend Equivalent Rights 2021-12-02 4 A 0 1 0 A Common Stock 1 10 D Dividend Equivalent Rights 2021-12-02 4 A 0 1 0 A Common Stock 1 3 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 12/2/2020. 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 12/2/2020. Each dividend equivalent right is the economic equivalent of one share of the Issuer's common stock. These dividend equivalent rights accrued on a restricted stock unit award granted on 12/19/2018 and vest proportionately with such award. Each dividend equivalent right is the economic equivalent of one share of the Issuer's common stock. These dividend equivalent rights accrued on a restricted stock unit award granted on 12/20/2019 and vest proportionately with such award. Each dividend equivalent right is the economic equivalent of one share of the Issuer's common stock. These dividend equivalent rights accrued on a restricted stock unit award granted on 12/2/2020 and vest proportionately with such award. Each dividend equivalent right is the economic equivalent of one share of the Issuer's common stock. /s/ Laurie A. Churchill, Attorney-in-fact 2021-12-06