Phio Pharmaceuticals Corp. filed SEC Form 8-K: Other Events, Financial Statements and Exhibits
$PHIO
Biotechnology: Pharmaceutical Preparations
Health Care
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d)
of the Securities Exchange Act of 1934
Date of report (Date of earliest event reported): December 23, 2025
(Exact name of registrant as specified in its charter)
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(State or other jurisdiction of incorporation)
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(Commission File Number)
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(I.R.S. Employer Identification No.)
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(Address of principal executive offices)
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(Zip Code)
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Registrant’s telephone number, including area code: (610 ) 947-0251
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
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Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
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Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
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Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
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Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
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Securities registered pursuant to Section 12(b) of the Act:
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Title of each class:
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Trading Symbol(s):
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Name of each exchange on which registered:
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The
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Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company ☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐
Item 8.01. Other Events.
On December 23, 2025, the Company issued a press release announcing a significant step forward in its drug development program for PH-762 with the acceptance of its nonclinical protocol study design by the Federal Drug Administration (FDA). The toxicology study will commence in first quarter of 2026.
The full text of the press release is attached hereto as Exhibit 99.1 and incorporated herein by reference.
Item 9.01. Financial Statements and Exhibits.
(d) Exhibits
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Exhibit No.
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Description
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99.1
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104
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Cover Page Interactive Data File (embedded within the Inline XBRL document).
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SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
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PHIO PHARMACEUTICALS CORP.
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Date: December 23, 2025
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By:
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/s/ Robert J. Bitterman
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Robert J. Bitterman
President & Chief Executive Officer
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