Form D · Other Technology
Halcyon Carbon, Inc.
San Francisco, CA · CIK 0002118358
Offering snapshot reported Mar 11, 2026 · SEC filing
- Reported sold
- $21M Offering amount: $21M
- Investors reported
- 14 Form D · investor count
- Minimum accepted
- $1 Reported outside-investor minimum
- First sale
- Feb 24, 2026 As reported in this filing
What changed?
Latest filing versus its linked predecessor, where available.
No comparable changes in the displayed metrics.
Filing history
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| Filed | Filing type | Reported sold | Change vs linked filing | Investors | Source |
|---|---|---|---|---|---|
| Mar 11, 2026 | Initial | $21,027,237 | No comparison | 14 | SEC filing |
Offering details
- Securities
- Equity
- Exemptions
- 06b
- Duration over one year
- No
- Business combination
- No
- Sales commissions
- $0
- Finders' fees
- $0
- Form D file number
- 021-576173
Source: Form D, filed Mar 11, 2026. Minimum accepted may differ from a standard advertised minimum.
Fund connections
No confirmed ADV fund connection is available for this issuer.
People & organizations
Current and past Form D appearances. These existing records do not establish a person's current role or uniquely identify them across issuers.
| Name | Reported role |
|---|---|
| Nathaniel Bullard | Director |
| Tanuj Dutta | Director |
| Bruce Falck | Director, Executive, Promoter |
| Tyler Lancaster | Director |
Issuer details
Industry: Other Technology (See others in industry)
Address:
755 Sansome St
San Francisco, CA, 94111
San Francisco, CA, 94111