Phio Pharmaceuticals Corp.

Pharmaceutical company · King Of Prussia, Pennsylvania, United States · Nasdaq: PHIO

Phio Pharmaceuticals Corp. is a pharmaceutical company headquartered in King Of Prussia, Pennsylvania, United States. Its earliest recorded incorporation is in 2011. Its shares trade on Nasdaq under the ticker PHIO. It has reported private securities offerings to the US SEC, most recently $1.4 million sold in a notice filed in 2025.

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Phio Pharmaceuticals at a glance

Typepharmaceutical company
HeadquartersKing Of Prussia, Pennsylvania, United States
Earliest incorporation on record2011
Stock listingNasdaq: PHIO
SEC industryPharmaceutical Preparations
SEC CIK1533040

What does Phio Pharmaceuticals do?

Private fundraising reported to the SEC

18 Form D notices; the most recent reported $1.4 million sold (2025).

Frequently asked questions about Phio Pharmaceuticals

Where is Phio Pharmaceuticals headquartered?

Phio Pharmaceuticals Corp. is headquartered in King Of Prussia, Pennsylvania, United States.

What does Phio Pharmaceuticals do?

Phio Pharmaceuticals Corp. is a pharmaceutical company. Its SEC industry classification is Pharmaceutical Preparations.

Is Phio Pharmaceuticals a public company?

Yes. Phio Pharmaceuticals Corp. trades on Nasdaq under the ticker PHIO.

When was Phio Pharmaceuticals founded?

The earliest incorporation on record for Phio Pharmaceuticals Corp. is in 2011, according to public company registers.

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Sources

Location data: GeoNames (geonames.org), CC BY 4.0.

Last updated 2026-09-23.