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PHIO

Phio Pharmaceuticals Corp. Common Stock

Nasdaq · usd

$0.8587+0.01 (+0.74%)
As of 2:22:04 PM EDT on Oct 26, 2026 · 15-minute delayed

Phio Pharmaceuticals Corp. Common Stock (PHIO) trades at $0.8587 (+0.74%) as of 2:22:04 PM EDT on Oct 26, 2026, -14.95% over the past month. Market cap is $9.9M, with 1.0 days to cover in short interest.

Stock performance

How Phio Pharmaceuticals Corp. Common Stock (PHIO) stock has performed from one day to one year, with its 52-week range.

-4.02%
-$0.04 over 1D
$0.86$0.88$0.91$0.934:50 AM10:40 AM11:55 AM1:15 PM2:20 PM$0.86
1D
+0.77%
1W
-1.14%
1M
-14.95%
YTD
-18.19%
1Y
-60.27%
52-wk range
$0.81 – $4.19

Key statistics

Today's trading snapshot for PHIO: day range, open, previous close, volume and market cap.

Day range
$0.85 – $0.90
Open
$0.88
Prev close
$0.85
Volume
38.44K
Market cap
$9.9M
Shares out
11.62M

Valuation and profitability ratios: P/E, P/S, ROE

Valuation and profitability ratios for Phio Pharmaceuticals Corp. Common Stock: P/E, P/S, P/B, ROE and more.

P/E
—
P/S
—
P/B
0.78
P/FCF
—
ROE
-102.4%
ROA
-90.2%
Debt/Equity
0.00
Div yield
0.00%

As of Oct 23, 2026

8-K filings

Material corporate events Phio Pharmaceuticals Corp. Common Stock has disclosed to the SEC on Form 8-K.

  • Annual meeting resultsSep 28, 2026

    At the Annual Meeting, the Company's stockholders voted and: (1) elected each of the six directors to serve until the Company's 2027 Annual Meeting of Stockholders; (2) ratified the appointment of Grant Thornton, LLP as the Company's independent registered public accounting firm for the year ending December 31, 2026; and (3) approved the Plan Amendment to increase the number of shares of common stock available for issuance under the 2020 Plan by 1,500,000.

  • Director appointmentJul 21, 2026

    Effective as of July 20, 2026, the Board of Directors (the "Board") of Phio Pharmaceuticals Corp. (the "Company") increased the size of the Board to six members and appointed R. Todd Plott, M.D. to serve on the Board until the 2026 annual meeting of stockholders. Dr. Plott was also appointed to serve as a member of the Board's Governance Committee. Dr. Plott is a board-certified dermatologist, accomplished researcher, inventor, and former FDA advisory committee member with more than 30 years of experience in dermatologic care and innovation.

  • Public offeringApr 8, 2026

    On April 8, 2026, Phio Pharmaceuticals Corp. (the "Company") entered into an At The Market Offering Agreement (the "Sales Agreement") with H.C. Wainwright & Co., LLC, as sales agent (the "Sales Agent"), pursuant to which the Company may offer and sell, from time to time, through the Sales Agent, shares of the Company's common stock, par value $0.0001 per share (the "Shares"). The offering and sale of up to $6,360,000 of the Shares pursuant to the Sales Agreement is being registered under the Securities Act of 1933, as amended (the "Securities Act"), pursuant to the Company's shelf registration statement on Form S-3.

  • Executive compensation changeFeb 18, 2026

    The Second Amendment (i) amends the severance provision in the Existing Employment Agreement to provide that, in the event of a termination by the Company without "cause" or by Mr. Bitterman for "good reason", Mr. Bitterman is entitled to severance in the amount of twelve (12) months of his base salary and (ii) provides that Mr. Bitterman's annual target bonus opportunity shall be 50% of his base salary (increased from 40% in the Existing Employment Agreement).

  • On February 10, 2026, the Company issued a press release announcing the Safety Medical Committee's formal conclusion with respect to the Company's Phase 1b clinical trial of PH-762 and updates with respect to the clinical trial's response rates.

Dividend history and stock splits

Phio Pharmaceuticals Corp. Common Stock's recent dividend payments and stock splits.

Dividends

No recent dividends.

Splits

  • 1-for-9Jul 5, 2024
  • 1-for-12Jan 26, 2023
  • 1-for-55Jan 15, 2020

PHIO short interest

How heavily PHIO is shorted: shares short, days to cover and average daily volume.

Days to cover
1.0
Short interest
89.45K
Avg volume
114.6K

As of · reported to FINRA twice monthly.

PHIO news

The latest news and headlines about Phio Pharmaceuticals Corp. Common Stock (PHIO).

Frequently asked questions

What is the Phio Pharmaceuticals Corp. Common Stock (PHIO) stock price today?

Phio Pharmaceuticals Corp. Common Stock (PHIO) is trading at $0.8587 (+0.74% on the day) as of 2:22:04 PM EDT on Oct 26, 2026. Prices are delayed at least 15 minutes; real-time quotes are available from the Massive API.

What is Phio Pharmaceuticals Corp. Common Stock?

Phio Pharmaceuticals Corp is a clinical-stage biopharmaceutical company whose proprietary INTASYL small-interfering RNA gene silencing technology is designed to make immune cells more effective in killing tumor cells. Its pipeline programs are PH-762 and PH-894.

What is the short interest in PHIO?

As of Sep 30, 2026, PHIO has 89.45K shares short and 1.0 days to cover.

What exchange is PHIO listed on?

Phio Pharmaceuticals Corp. Common Stock (PHIO) trades on Nasdaq in USD, in the PHARMACEUTICAL PREPARATIONS industry.

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