About Furnace
Furnace is a private company based in New York, New York, incorporated in 2025 in Delaware. It has reported $3,550,000 raised in one offering on Form D since August 2026. Its chief executive is Matthew Siff.
Funding Rounds (SEC Form D)
| First sale | Filed with SEC | Amount sold | Investors | Avg. check | Terms | Filing |
|---|---|---|---|---|---|---|
| Jul 23, 2026 | Aug 6, 2026 | $3,550,000target not set | 9 | $394K | EquityRule 506(b) | Form D ↗ |
First sale is the date the first investor in the offering committed to invest. Companies must file Form D within 15 days of that date, so filing dates run later.
Leadership Team
Executive officers and directors listed on Furnace's Form D filed Aug 6, 2026.
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