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Announced 5 days laterLatest filing 11 March 2026

Halcyon Carbon, Inc.

Halcyon Carbon, Inc. is a San Francisco, CA technology company with 1 venture-backed raise in public filings, $21M sold in all. The latest was filed on 11 March 2026.

Filed 5 days before it was announced on 16 March 2026.

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Raises

  1. Equity round$21MAnnounced 5 days later11 Mar 2026 · San Francisco, CA · Technology

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