X0306 4 2022-12-01 0001158895 LEMAITRE VASCULAR INC LMAT 0001366346 Jasinski Lawrence J C/O LEMAITRE VASCULAR, INC. 63 SECOND AVENUE BURLINGTON MA 01803 1 Common Stock 2022-12-02 4 M 0 2500 23.56 A 11409 D Common Stock 2022-12-02 4 M 0 2500 35.48 A 13909 D Common Stock 2022-12-02 4 M 0 5000 37.29 A 18909 D Common Stock 2022-12-02 4 S 0 10000 47.0697 D 8909 D Dividend Equivalent Rights 2022-12-01 4 A 0 1.5264 0 A Common Stock 1.5264 4.5264 D Stock Option (Right to Buy) 23.56 2022-12-02 4 M 0 2500 0 D 2018-12-19 2023-12-19 Common Stock 2500 0 D Stock Option (Right to Buy) 35.48 2022-12-02 4 M 0 2500 0 D 2019-12-20 2024-12-20 Common Stock 2500 2500 D Stock Option (Right to Buy) 37.29 2022-12-02 4 M 0 5000 0 D 2020-12-02 2025-12-02 Common Stock 5000 2500 D Represents shares acquired upon exercise of options by the Reporting Person, as reported in Table II. The price reported in Column 4 is a weighted average price. The transaction was executed in multiple trades ranging from $47.00 to $47.23. The reporting person undertakes to provide to the Issuer, any securityholder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares and price at which the transaction was effected. These dividend equivalent rights accrued on a restricted stock unit award granted on 12/11/2021 and vest proportionately with such award. Each dividend equivalent right is the economic equivalent of one share of the Issuer's common stock. This option is fully vested and exercisable. This option is exercisable and vests over a three-year period at a rate of 33 1/3% on the first anniversary of the date listed in the table, with the balance vesting in equal annual installments over the remaining two years. /s/ Laurie A. Churchill, Attorney-in-fact 2022-12-05