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Cala Systems, Inc. filed an amended Form D with the Securities and Exchange Commission on 2025-06-03.
Cala Systems, Inc. filed an amended Form D notice of an exempt securities offering with the SEC on June 3, 2025. Cala Systems, Inc. was formerly named Altus Thermal, Inc. The filing reports $8.05M sold. Its industry group is Other Technology. It names Michael Rigney (Executive Officer, Director), Michael Ting (Director), David Wilson (Director) (SEC Form D/A, June 3, 2025).
In its own words: “Cala is the intelligent heat pump water heater that customizes water heating for each home, each day — reliable hot water and lower energy costs.” (calasystems.com, checked November 1, 2026)
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New Form D on file · 2025-06-03 · the record
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More on the people and the money behind Cala Systems, Inc., from the filings we hold.
Other Technology raises by companies based in Massachusetts, filed in June 2025, largest first.
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What the filing shows about Cala Systems, Inc.
Only in the Full Report: Who Runs It, And How To Reach Them · Warning Bells · Who Pays Them, And Who They Are Up Against.
Example from a real report (our sample on Target): “The Q2 2026 earnings report, published August 19, 2026, showed adjusted EPS of $2.46 against an expected $2.33” Source: CNBC
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The filing gives Cala Systems, Inc.'s address as 444 Somerville Avenue, Somerville, MA 02143.
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Full funding history for Cala Systems, Inc. →
Amended on 2026-02-19: the offering size changed from $7,000,000 to $10,999,981; the amount sold changed from $4,849,994 to $8,050,960; the number of investors changed from 18 to 41. Figures on this page are from the amendment. Amended filing · Original filing
This is the company's own disclosure. A payment disclosed on a Form D is a disclosed use of proceeds, not a finding of wrongdoing.
Cala Systems, Inc. is a registered filer with the SEC (CIK 1836919) and has filed since 2022-10-19. 6 filings are on record, the latest on 2026-10-27.
A filing shows the company exists and what it reports about itself. It is not an audit or a rating.
Cala Systems, Inc.'s Form D of 2025-06-03 names Michael Rigney, Michael Ting, David Wilson and 1 more as its officers, directors or promoters.
Its new offerings report $15.11M sold across 5 offerings, as its own filings state.
A hollow marker is an amendment (Form D/A); a solid one is an original Form D. The larger marker is the filing this page is about.
Trailing twelve months. 3839 filings in Other Technology, totalled by week.
Checked away from the filing. What is below does not come from the record on sec.gov.
Cala is the intelligent heat pump water heater that customizes water heating for each home, each day — reliable hot water and lower energy costs.
The title and description the site itself served, answering 200, after redirecting from https://calasystems.com. Not a cached copy and not the company's directory entry — what was live when we asked.
Michael Rigney is named as Executive Officer and Director on the Form D that Cala Systems, Inc. filed with the SEC on 3 June 2025, one of 4 people that filing names.
Michael Ting is named as Director on the Form D that Cala Systems, Inc. filed with the SEC on 3 June 2025, one of 4 people that filing names.
David Wilson is named as Director on the Form D that Cala Systems, Inc. filed with the SEC on 3 June 2025, one of 4 people that filing names.
Thomas Ferguson is named as Director on the Form D that Cala Systems, Inc. filed with the SEC on 3 June 2025, one of 4 people that filing names.
4 people named on the filing — 1 holding an executive role and 3 as directors only.
Named as of the 2025-06-03 filing. Titles and locations are exactly as the filing states — not independently confirmed elsewhere.
No investor is drawn from a Form D — the form states how many invested and never who.
What the filing shows about Cala Systems, Inc.
Only in the Full Report: Who Runs It, And How To Reach Them · Warning Bells · Who Pays Them, And Who They Are Up Against.
Example from a real report (our sample on Target): “The Q2 2026 earnings report, published August 19, 2026, showed adjusted EPS of $2.46 against an expected $2.33” Source: CNBC
A Full Report on Cala Systems, Inc.: verified, sourced, every claim cited, ready in a few minutes. See pricing.
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Sourced from the filing index on sec.gov, and from the company's own site, read directly on 2026-11-02 (calasystems.com).
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