Phio Pharmaceuticals Corp.
PHIO | NASDAQ
$1.01
-$0.02 (-1.94%)
At close: Sep 21, 2026, 4:00 PM ET
$1.02
+$0.01 (+0.99%)
Pre-market:
Sep 22, 2026, 4:00 AM ET
Company Profile
Phio Pharmaceuticals Corp., a clinical stage biopharmaceutical company, engages in the development of immuno-oncology therapeutics in the United States. It develops PH-762, an INTASYL compound designed to reduce the expression of PD-1 in multi-center Phase 1b dose-escalating clinical trials; PH-894, an INTASYL compound that is designed to specifically silence BRD4, a protein that controls gene expression in both T cells and tumor cells in preclinical studies. The company was formerly known as RXi Pharmaceuticals Corporation and changed its name to Phio Pharmaceuticals Corp. in November 2018. Phio Pharmaceuticals Corp. was founded in 2003 and is based in King Of Prussia, Pennsylvania.
Key Executives
| Name | Position |
|---|---|
| Robert J. Bitterman | President, Chief Executive Officer & Chairman |
| Jennifer Phillips | Senior Vice President of Regulatory & Corporate Affairs |
| Linda Mahoney | Senior Vice President of Development |
| Lisa Carson | CFO, Principal Accounting Officer and VP of Finance & Administration |
Latest SEC Filings
| Date | Type | Title |
|---|---|---|
| Aug 20, 2026 | 4 | Filing |
| Aug 19, 2026 | 4 | Filing |
| Aug 14, 2026 | ARS | Filing |
| Aug 14, 2026 | DEFA14A | Filing |
| Aug 14, 2026 | DEF 14A | Filing |
| Aug 06, 2026 | 8-K | Current Report |
| Aug 06, 2026 | 10-Q | Quarterly Report |
| Jul 30, 2026 | 3 | Filing |
| Jul 21, 2026 | 8-K | Current Report |
| Jun 29, 2026 | 4 | Filing |
Phio Pharmaceuticals Corp.
| Country | United States |
| IPO Date | May 9, 2012 |
| Industry | Biotechnology |
| Sector | Healthcare |
| Employees | 6 |
| CEO | Robert L. Bitterman |
Contact Details
411 Swedeland Road King of Prussia,
Pennsylvania 19406 United States
Stock Details
| Ticker Symbol | PHIO |
| Exchange | NASDAQ |
| Fiscal Year | January - December |
| Reporting Currency | USD |
| CIK Code | 0001533040 |
| CUSIP Number | 71880W501 |
| ISIN Number | US71880W5013 |
| SIC Code | 2834 |
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