X0306 4 2019-02-22 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 2019-02-22 4 S 0 16604 29.6321 D 19857 D Common Stock 2019-02-26 4 M 0 11146 7.87 A 31003 D Stock Option (Right to Buy) 7.87 2019-02-26 4 M 0 11146 0 D 2014-07-24 2021-07-24 Common Stock 11146 3145 D The price reported in Column 4 is a weighted average price. The transaction was executed in multiple trades ranging from $29.46 to $29.80. 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. Represents shares acquired upon exercise of options by the Reporting Person, as reported in Table II. 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 2019-02-26