X0708 D LIVE 0001836919 Cala Systems, Inc. 444 SOMERVILLE AVENUE SOMERVILLE MA MASSACHUSETTS 02143 7812589443 DELAWARE Altus Thermal, Inc. Corporation true Michael Rigney c/o Cala Systems, Inc. 444 SOMERVILLE AVENUE SOMERVILLE MA MASSACHUSETTS 02143 Executive Officer Director Michael Ting c/o Cala Systems, Inc. 444 SOMERVILLE AVENUE SOMERVILLE MA MASSACHUSETTS 02143 Director David Wilson c/o Cala Systems, Inc. 444 SOMERVILLE AVENUE SOMERVILLE MA MASSACHUSETTS 02143 Director Thomas Ferguson c/o Cala Systems, Inc. 444 SOMERVILLE AVENUE SOMERVILLE MA MASSACHUSETTS 02143 Director Other Technology Decline to Disclose 06b false 2026-10-13 false true true false 0 3000000 2550000 450000 false 4 0 0 0 false Cala Systems, Inc. /s/ Michael Rigney Michael Rigney President & Chief Executive Officer 2026-10-27