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SERA vs STEX

Sera Prognostics, Inc. Class A Common Stock and Streamex Corp. Common Stock

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Sera Prognostics, Inc. Class A Common Stock

Sera Prognostics, Inc., a women's health company, discovers, develops, and commercializes blood-based biomarker tests and predictive analytic products and services in the United States. The company develops the PreTRM test, a non-invasive blood test given to a pregnant woman for the prediction of the expectant mother's risk of delivering spontaneously. It is also developing a pipeline of novel blood-based biomarker tests for major pregnancy-related conditions, including time-to-birth, predictive analytics product, pregnancy risk prediction panel, preeclampsia, and fetal growth restriction. The company was incorporated in 2008 and is headquartered in Salt Lake City, Utah.

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Streamex Corp. Common Stock

Streamex Corp., a real world asset (RWA) tokenization company with Institutional grade infrastructure. It offers gold denominated treasury and tokenization technology to commodities markets. The company was formerly known as BioSig Technologies, Inc. and changed its name to Streamex Corp. in September 2025. Streamex Corp. was incorporated in 2009 and is based in Winter Park, Florida.

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