424B5 ·Filed Apr 8, 2026

PHIO

Phio Pharmaceuticals Corp.
NEUTRAL
Impact 5/10
Horizondays Processed5mo ago SEC0001683168-26-002750
Notable filing: 424B5
Actionable Insight • Neutral

Traders should monitor the pace of share sales under this ATM program, as incremental selling could create sustained downward pressure on the stock price. The positive clinical data for PH-762 provides a fundamental catalyst, but the immediate market impact is likely negative due to dilution. The company's ability to fund its Phase 2b/3 trial without additional financing will be a key factor to watch.

DirectionNeutral
Confidencehigh
Horizondays
Final — all horizons settled through T+60d ⚠ clustered
PHIO ▼ -20.80% at T+60d
NEUTRAL call ✗ call lost -20.80% · α vs SPY -31.58% · entry $1.25 → $0.9900
Entry anchored
Apr 8, 03:59 PM ET
via exchange tick
T+1d
-3.20%
call -3.20% · α -3.14%
$1.21
settled 6mo ago
T+5d
+1.60%
call +1.60% · α -1.59%
$1.27
settled 6mo ago
T+20d
-8.00%
call -8.00% · α -15.57%
$1.15
settled 5mo ago
T+60d
-20.80%
call -20.80% · α -31.58%
$0.9900
settled 3mo ago

Price Chart

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Executive Summary

Phio Pharmaceuticals is conducting an at-the-market offering of up to $6.36 million in common stock through H.C. Wainwright & Co., with proceeds intended for advancing PH-762 into a Phase 2b/3 trial and general working capital. The offering follows a prior shelf registration and introduces potential near-term dilution.

Key Facts

  • Company is offering up to $6,360,000 in common stock through an at-the-market (ATM) offering with H.C. Wainwright & Co.
  • Proceeds will fund development of PH-762 in an expected Phase 2b/3 clinical trial for cutaneous squamous cell carcinoma, other development activities, and general working capital needs.
  • The offering is subject to a 3.0% commission paid to the sales agent.
  • As of December 31, 2025, there were 11,617,250 shares outstanding, with up to 16,586,000 shares to be outstanding after the offering.
  • The company has a history of net losses and will require substantial additional funds to continue operations.
  • The offering is limited by Form S-3 rules to one-third of the public float, which was $19,080,217 as of the filing date.

Financial Impact

Up to $6.36 million in gross proceeds, with net proceeds after commissions and expenses to be used for clinical development and working capital.

cashdilutionshares outstanding

Risk Factors

  • Dilution to existing shareholders from the issuance of new shares
  • Potential downward pressure on stock price from continuous sales in the open market
  • Risk that the company may not be able to raise the full amount offered, or any amount, under the sales agreement

Market Snapshot

Exchange
Nasdaq
Sector
Pharmaceutical Preparations

Investment Themes

Biotech & Drug Discovery

Documents Analyzed

This report is based on 4 SEC documents filed with EDGAR.

DocumentAccession Number
424B5 Filing (Primary)0001683168-26-002750
Document: 0001683168-26-002750-index-headers.html0001683168-26-002750
Document: 0001683168-26-002750-index.html0001683168-26-002750
Document: 0001683168-26-002750.txt0001683168-26-002750
5 reports for PHIO
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for PHIO — sortable, filterable
TypeNow
Sep 14, 2026
18d ago
8-K
BULLISH ★ 5/10
$1.03 $1.01▼ −1.94%▼ −2.05%$1.00 (−2.91%)
Aug 14, 2026
6w ago
DEFA14A
NEUTRAL ★ 3/10
$1.06 $1.17▲ +10.38%▲ +11.57%$1.00 (−5.66%)
Apr 8, 2026
25w ago
8-K
NEUTRAL ★ 5/10
$1.25 $1.27▲ +1.60%▼ −1.59%$1.00 (−20.00%)
Apr 8, 2026
25w ago
424B5
NEUTRAL ★ 5/10
$1.25 $1.27▲ +1.60%▼ −1.59%$1.00 (−20.00%)
Mar 5, 2026
30w ago
8-K
MIXED ★ 6/10
$1.16 $1.17▲ +0.86%▲ +2.39%$1.00 (−13.79%)
Showing 5 of 5

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