Fresh Rounds

SirenOpt Inc. funding

SirenOpt Inc., a manufacturing company based in San Leandro, CA (founded 2022), filed a Form D with the SEC on September 18, 2026 and reported $19.4M raised of a $32.4M offering.

Amount raised$19.4M
Offering size$32.4M
Filed with the SECSeptember 18, 2026
First saleSeptember 10, 2026
IndustryManufacturing
SecuritiesEquity, Security to be acquired on exercise
LocationSan Leandro, CA
Founded2022
Entity typeCorporation
Investors so far17
Minimum investment—
Revenue rangeDecline to Disclose

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