X0306 4 2017-08-01 0 0001158895 LEMAITRE VASCULAR INC LMAT 0001365741 Gebauer Peter R C/O LEMAITRE VASCULAR, INC. 63 SECOND AVENUE BURLINGTON MA 01803 0 1 0 0 President, International OP Common Stock 2017-08-01 4 M 0 2233 11.43 A 4486 D Common Stock 2017-08-01 4 S 0 2233 34.9088 D 2253 D Common Stock 2017-08-02 4 M 0 5935 6.23 A 8188 D Common Stock 2017-08-02 4 M 0 6330 7.87 A 14518 D Common Stock 2017-08-02 4 M 0 3615 11.43 A 18133 D Common Stock 2017-08-02 4 M 0 2969 14.13 A 21102 D Common Stock 2017-08-02 4 S 0 18849 34.2424 D 2253 D Common Stock 2017-08-03 4 M 0 985 14.13 A 3238 D Common Stock 2017-08-03 4 S 0 985 33.6346 D 2253 D Stock Option (Right to Buy) 11.43 2017-08-01 4 M 0 2233 0.00 D 2015-07-23 2022-07-23 Common Stock 2233 21158 D Stock Option (Right to Buy) 6.23 2017-08-02 4 M 0 5935 0.00 D 2012-07-25 2019-07-25 Common Stock 5935 0 D Stock Option (Right to Buy) 7.87 2017-08-02 4 M 0 6330 0.00 D 2014-07-24 2021-07-24 Common Stock 6330 12662 D Stock Option (Right to Buy) 11.43 2017-08-02 4 M 0 3615 0.00 D 2015-07-23 2022-07-23 Common Stock 3615 17543 D Stock Option (Right to Buy) 14.13 2017-08-02 4 M 0 2969 0.00 D 2016-07-25 2023-07-23 Common Stock 2969 16800 D Stock Option (Right to Buy) 14.13 2017-08-03 4 M 0 985 0.00 D 2016-07-25 2023-07-23 Common Stock 985 15815 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 $34.70 to $35.64. 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. The price reported in Column 4 is a weighted average price. The transaction was executed in multiple trades ranging from $34.10 to $34.49. 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. The price reported in Column 4 is a weighted average price. The transaction was executed in multiple trades ranging from $33.61 to $33.68. 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 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 Churchill, Attorney-in-fact 2017-08-03