About SirenOpt
SirenOpt is a private company based in San Leandro, California, incorporated in 2022 in Delaware. It has reported $29,071,297 raised in two offerings on Form D since July 2024. Its chief executive is Jared O'leary.
Funding Rounds (SEC Form D)
| First sale | Filed with SEC | Amount sold | Investors | Avg. check | Terms | Filing |
|---|---|---|---|---|---|---|
| Sep 10, 2026 | Sep 18, 2026 | $19,428,895of $32.4M target | 17 | $1.1M | Equity, Securities on exerciseRule 506(b) | Form D ↗ |
| Jun 28, 2024 | Jul 12, 2024 | $9,642,402fully sold | 17 | $567K | Equity, Securities on exerciseRule 506(b) | Form D ↗ |
| Total, two offerings | $29,071,297 | |||||
First sale is the date the first investor in the offering committed to invest. Companies must file Form D within 15 days of that date, so filing dates run later.
Leadership Team
Executive officers and directors listed on SirenOpt's Form D filed Sep 18, 2026.
Earlier filings also listed Matthew Blaine (director, last listed Jul 2024).
Sources
- SECSirenOpt Inc. filing history
- CompanyPrivacy notice
- CompanyAbout SirenOpt
- CompanyPlasmaSens grant announcement


