Form D · Biotechnology
Haku Bio, Inc.
Arlington, MA · CIK 0002114425
Offering snapshot reported Jun 10, 2026 · SEC filing
- Reported sold
- $1.51M Offering amount: $2.71M
- Investors reported
- 6 Form D · investor count
- Minimum accepted
- $100K Reported outside-investor minimum
- First sale
- May 22, 2026 As reported in this filing
Fundraising history
Reported soldDates are filing dates, not cash receipt dates. Decreases are reported revisions, not evidence of withdrawals. Separate offering histories are not added together.
What changed?
Latest filing versus its linked predecessor, where available.
- Reported sold$1,299,000 → $1,509,000
- Reported investors5 → 6
Filing history
Scroll to see all columns →
| Filed | Filing type | Reported sold | Change vs linked filing | Investors | Source |
|---|---|---|---|---|---|
| Jun 10, 2026 | Amendment | $1,509,000 | $210,000vs Jun 10, 2026 | 6 | SEC filing |
| Jun 10, 2026 | Initial | $1,299,000 | No comparison | 5 | SEC filing |
| Mar 2, 2026 | Initial | $210,000 | No comparison | 2 | SEC filing |
Offering details
- Securities
- Other
- Exemptions
- 06b
- Duration over one year
- No
- Business combination
- No
- Sales commissions
- $0
- Finders' fees
- $0
- Form D file number
- 021-586883
Total Offering Amount includes up to $2,500,000 of new-money SAFEs plus $210,000 of SAFE issuances in exchange and cancellation of existing convertible promissory notes.
Simple Agreement for Future Equity (SAFE)
Source: Form D, filed Jun 10, 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 |
|---|---|
| Bill Lundberg | Director |
| Sandy Mong | Director, Executive |
Issuer details
Industry: Biotechnology (See others in industry)
Address:
74 Newport St
Arlington, MA, 02476
Arlington, MA, 02476