X0306 4 2022-03-02 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 2022-03-02 4 M 0 3954 14.13 A 15439 D Common Stock 2022-03-02 4 M 0 1633 31.30 A 17072 D Common Stock 2022-03-02 4 S 0 7929 48.2205 D 9143 D Stock Option (Right to Buy) 14.13 2022-03-02 4 M 0 3954 0 D 2016-07-25 2023-07-25 Common Stock 3954 0 D Stock Option (Right to Buy) 31.30 2022-03-02 4 M 0 1633 0 D 2017-12-22 2024-12-22 Common Stock 1633 1774 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 $48.00 to $48.65. 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. This option is fully vested and exercisable. This option is exercisable and vests over a five-year period at a rate of 20% on the first anniversary of the date listed in the table, and the balance vesting in equal annual installments over the remaining four years. /s/ Laurie A. Churchill, Attorney-in-fact 2022-03-04