Form D · Manufacturing
SirenOpt Inc.
San Leandro, CA · CIK 0002029046
Offering snapshot reported Sep 18, 2026 · SEC filing
- Reported sold
- $19.4M Offering amount: $32.4M
- Investors reported
- 17 Form D · investor count
- Minimum accepted
- $0 Reported outside-investor minimum
- First sale
- Sep 10, 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
Scroll to see all columns →
| Filed | Filing type | Reported sold | Change vs linked filing | Investors | Source |
|---|---|---|---|---|---|
| Sep 18, 2026 | Initial | $19,428,895 | No comparison | 17 | SEC filing |
| Jul 12, 2024 | Initial | $9,642,402 | No comparison | 17 | SEC filing |
Offering details
- Securities
- Equity, Security to be acquired
- Exemptions
- 06b
- Duration over one year
- No
- Business combination
- No
- Sales commissions
- $0
- Finders' fees
- $0
- Form D file number
- 021-598102
$7,411,760 of the Total Amount Sold is from the conversion of securities.
Source: Form D, filed Sep 18, 2026. Minimum accepted may differ from a standard advertised minimum.
Fund connections
No matching detailed fund disclosure was found in the latest imported ADV filings. This does not establish that the issuer has no adviser.
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 |
|---|---|
| Matthew Blain | Director |
| Matthew Blaine | Director |
| Tom Chi | Director |
| Philip Harper | Director |
| Ali Mesbah | Director |
| Jared O'leary | Director, Executive |
Issuer details
Industry: Manufacturing (See others in industry)
Address:
15555 East 14 Th Street Suite 535
San Leandro, CA, 94578
Phone: 925-330-3249
San Leandro, CA, 94578
Phone: 925-330-3249