X0202 SCHEDULE 13G/A 0001365737 XXXXXXXX LIVE 20 Common Stock, $0.01 Par Value 03/31/2026 0001158895 LeMaitre Vascular, Inc. 525558201 63 Second Avenue Burlington MA 01803 Rule 13d-1(d) George W. LeMaitre X1 1465235 0 1465235 0 1465235 N 6.4 IN The amount in box 9 includes 6,847 shares subject to options that are exercisable within 60 days of March 31, 2026. LeMaitre Vascular, Inc. 63 Second Avenue, Burlington, MA 01803 George W. LeMaitre 63 Second Avenue, Burlingon, MA 01803 George W. LeMaitre is a citizen of the United States. Y See box 9 above. See box 11 above. The ownership percentage above is based on an aggregate of 22,847,733 shares of common stock outstanding as of March 31, 2026, according to the Issuer. See box 5 above. See box 6 above. See box 7 above. See box 8 above. Y Y Y Y Y Y George W. LeMaitre /s/ George W. LeMaitre 05/14/2026