X0306 4 2020-12-14 0 0001253176 VAPOTHERM INC VAPO 0001752635 Arnerich Anthony L. C/O VAPOTHERM INC 100 DOMAIN DRIVE EXETER NH 03833 1 0 1 0 Common Stock 2020-12-14 4 S 0 26600 27.00 D 1964211 I By 3x5 Partners, LLC Common Stock 2020-12-15 4 S 0 3400 27.0327 D 1960811 I By 3x5 Partners, LLC Common Stock 2984 I By Anthony L. Arnerich Trust Common Stock 9208 D Sale of shares by 3x5 Partners, LLC. The Reporting Person is a managing member of 3x5 Partners, LLC. 3x5 Partners, LLC is the managing member of Vapotherm Investors, LLC and a member of 3x5 Special Opportunity Partners, LLC, which is the general partner of 3x5 Special Opportunity Fund, L.P., and by virtue of these relationships 3x5 Partners, LLC may be deemed to indirectly beneficially own the shares directly held by Vapotherm Investors, LLC and 3x5 Special Opportunity Fund, L.P. As a managing member of 3x5 Partners, LLC the Reporting Person shares voting and dispositive power over such securities. The Reporting Person disclaims beneficial ownership, within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise, of such securities except to the extent of his pecuniary interest therein. Consists of (i) 5,250 shares held by Arnerich 3x5 Special Opportunity Managers, L.P., of which 3x5 Partners, LLC is the general manager, (ii) 1,350,587 shares directly held by Vapotherm Investors, LLC and (iii) 604,974 shares directly held by 3x5 Special Opportunity Fund, L.P. /s/ Adrain Bryant, as Attorney-In-Fact 2020-12-16