X0708 D/A LIVE 0001951109 Gaingels Femtosense LLC C/O GAINGELS MANAGEMENT LLC 3 MAIN STREET - SUITE 214 BURLINGTON VT VERMONT 05401 2124047343 VERMONT None None Limited Liability Company true 2022 David Beatty c/o Gaingels Management LLC 3 Main Street - Suite 214 Burlington VT VERMONT 05401 Executive Officer Mr. Beatty is Manager of Gaingels Management LLC, which, in turn, is the Manager of the Issuer. Other Decline to Disclose 06b 3C 3C.1 true 0001948277-22-000002 2022-10-13 false true false 0 217900 217900 0 false 20 0 0 0 true false Gaingels Femtosense LLC /s/ Paul Grossinger Paul Grossinger Manager Gaingels Management LLC, Manager 2026-09-15