Halcyon Carbon, Inc. funding
Halcyon Carbon, Inc., a technology company based in San Francisco, CA (founded 2023), filed a Form D with the SEC on March 11, 2026 and reported $21M raised.
Amount raised$21M
Offering size$21M
Filed with the SECMarch 11, 2026
First saleFebruary 24, 2026
IndustryOther Technology
SecuritiesEquity
LocationSan Francisco, CA
Founded2023
Entity typeCorporation
Investors so far14
Minimum investment$1
Revenue rangeDecline to Disclose
View the original Form D on SEC EDGAR ↗ · All rounds filed Mar 11
Other technology rounds in California
fal - Features & Labels, Inc.$1B · Nov 12Other TechnologySierra International Network Inc.$502M · Sep 17Other TechnologySuperhuman Platform Inc.$335M · Sep 28Other TechnologyFormfactor Inc.$300M · Oct 20Other TechnologyArmadin, Inc.$265M · Oct 15Other TechnologyExa Labs Inc.$247M · Sep 28Other TechnologyWarp Sciences Inc.$195M · Oct 26Other TechnologyServal Inc.$149M · Nov 3Other Technology