X0306 4 2018-05-25 0 0001158895 LEMAITRE VASCULAR INC LMAT 0001365739 Kamke Trent G C/O LEMAITRE VASCULAR , INC. 63 SECOND AVENUE BURLINGTON MA 01803 0 1 0 0 Senior V. P., Operations Common Stock 2018-05-25 4 S 0 12368 32.8319 D 20424 D Common Stock 2018-05-29 4 S 0 1365 32.6551 D 19059 D The price reported in Column 4 is a weighted average price. The transaction was executed in multiple trades ranging from $32.50 to $33.08. 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. /s/ Laurie Churchill, Attorney-in-fact 2018-05-30