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as of 03-09-2026 3:42pm EST

$1.21
+$0.02
+1.67%
Stocks Health Care Biotechnology: Pharmaceutical Preparations Nasdaq

Phio Pharmaceuticals Corp is a clinical-stage biotechnology company whose proprietary INTASYL self-delivering RNAi technology platform is designed to make immune cells more effective in killing tumor cells. The Company is developing therapeutics that are designed to leverage INTASYL to precisely target specific proteins that reduce the body's ability to fight cancer, without the need for specialized formulations or drug delivery systems.

Founded: 2011 Country:
United States
United States
Employees: 5 City: KING OF PRUSSIA
Market Cap: 12.5M IPO Year: 2011
Target Price: $10.67 AVG Volume (30 days): 7.5M
Analyst Decision: Strong Buy Number of Analysts: 3
Dividend Yield:
N/A
Dividend Payout Frequency: N/A
EPS: -0.86 EPS Growth: -74.62
52 Week Low/High: $0.81 - $4.19 Next Earning Date: 06-17-2026
Revenue: N/A Revenue Growth: -100.00%
Revenue Growth (this year): N/A Revenue Growth (next year): N/A
P/E Ratio: -1.38 Index: N/A
Free Cash Flow: -7991000.0 FCF Growth: N/A

Stock Insider Trading Activity of Phio Pharmaceuticals Corp. (PHIO)

Bitterman Robert J

Chairman, Pres. & CEO

Buy
PHIO Dec 31, 2025

Avg Cost/Share

$1.03

Shares

5,000

Total Value

$5,150.00

Owned After

291,421

SEC Form 4

Bitterman Robert J

Chairman, Pres. & CEO

Buy
PHIO Dec 23, 2025

Avg Cost/Share

$1.02

Shares

5,000

Total Value

$5,100.00

Owned After

291,421

SEC Form 4

Earnings Transcripts

SEC 8-K filings with transcript text

View All
2025
Q4

Q4 2025 Earnings

8-K SELL

Mar 5, 2026 · 100% conf.

AI Prediction SELL

1D

-3.12%

$1.13

Act: +1.71%

5D

-17.92%

$0.96

20D

-9.29%

$1.06

Price: $1.17 Prob +5D: 0% AUC: 1.000
0001437749-26-007071

phio20251215_8k.htm

false 0001533040

0001533040

2026-03-05 2026-03-05

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): March 5, 2026

PHIO PHARMACEUTICALS CORP.

(Exact name of registrant as specified in its charter)

Delaware

001-36304

45-3215903

(State or other jurisdiction of incorporation)

(Commission File Number)

(I.R.S. Employer Identification No.)

411 Swedeland Road, Suite 23-1080

King of Prussia, PA

19406

(Address of principal executive offices)

(Zip Code)

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):

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class:

Trading Symbol(s):

Name of each exchange on which registered:

Common Stock, par value $0.0001 per share

PHIO

The Nasdaq Capital Market

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 2.02. Results of Operations and Financial Condition.

On March 5, 2026, Phio Pharmaceuticals Corp. (the “Company”) reported its financial results for the year ended December 31, 2025. A copy of the press release is furnished herewith as Exhibit 99.1 to this Current Report on Form 8-K (the “Report”).

The information in this Item 2.02 and attached as Exhibit 99.1 to this Report will not be treated as “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section. This information will not be incorporated by reference into any filing under the Securities Act of 1933, as amended, or into another filing under the Exchange Act, unless that filing expressly incorporates this information by reference.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

Number

Description

99.1

Press release issued by the Company on March 5, 2026

104

Cover Page Interactive Data File (embedded within the Inline XBRL document).

2

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.

PHIO PHARMACEUTICALS CORP.

Date: March 5, 2026

By:

/s/ Robert Bitterman

Name:

Title:

Robert Bitterman

President & Chief Executive Officer

3

2025
Q3

Q3 2025 Earnings

8-K SELL

Nov 13, 2025 · 100% conf.

AI Prediction SELL

1D

-1.92%

$1.48

Act: -13.91%

5D

-17.55%

$1.24

Act: -21.19%

20D

-7.45%

$1.40

Act: -25.83%

Price: $1.51 Prob +5D: 0% AUC: 1.000
0001437749-25-034848

phio20251001_8k.htm

false 0001533040

0001533040

2025-11-13 2025-11-13

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): November 13, 2025

PHIO PHARMACEUTICALS CORP.

(Exact name of registrant as specified in its charter)

Delaware

001-36304

45-3215903

(State or other jurisdiction of incorporation)

(Commission File Number)

(I.R.S. Employer Identification No.)

411 Swedeland Road, Suite 23-1080

King of Prussia, PA

19406

(Address of principal executive offices)

(Zip Code)

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):

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class:

Trading Symbol(s):

Name of each exchange on which registered:

Common Stock, par value $0.0001 per share

PHIO

The Nasdaq Capital Market

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 2.02. Results of Operations and Financial Condition.

On November 13, 2025, Phio Pharmaceuticals Corp. (the “Company”) reported its financial results for the quarter ended September 30, 2025. A copy of the press release is furnished herewith as Exhibit 99.1 to this Current Report on Form 8-K (the “Report”).

The information in this Item 2.02 and attached as Exhibit 99.1 to this Report will not be treated as “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section. This information will not be incorporated by reference into any filing under the Securities Act of 1933, as amended, or into another filing under the Exchange Act, unless that filing expressly incorporates this information by reference.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.

Description

99.1

Press release issued by the Company on November 13, 2025.

104

Cover Page Interactive Data File (embedded within the Inline XBRL document).

2

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.

PHIO PHARMACEUTICALS CORP.

Date: November 13, 2025

By:

/s/ Robert J. Bitterman

Robert J. Bitterman

President & Chief Executive Officer

3

2025
Q2

Q2 2025 Earnings

8-K

Aug 14, 2025

0001683168-25-006171

8-K

false 0001533040

0001533040

2025-08-14 2025-08-14

iso4217:USD

xbrli:shares

iso4217:USD

xbrli:shares

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): August 14, 2025

PHIO

PHARMACEUTICALS CORP.

(Exact name of registrant as specified in its charter)

Delaware

001-36304

45-3215903

(State or other jurisdiction of incorporation)

(Commission File Number)

(I.R.S. Employer Identification No.)

411 Swedeland Road, Suite 23-1080

King of Prussia, PA 19406

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (508) 767-3861

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):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class:

Trading Symbol(s):

Name of each exchange on which registered:

Common Stock, par value $0.0001 per share

PHIO

The Nasdaq Capital Market

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 2.02. Results of Operations and Financial Condition.

On August 14, 2025, Phio Pharmaceuticals Corp. (the “Company”) reported its financial results for the quarter ended June 30, 2025. A copy of the press release is furnished herewith as Exhibit 99.1 to this Current Report on Form 8-K (the “Report”).

The information in this Item 2.02 and attached as Exhibit 99.1 to this Report will not be treated as “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section. This information will not be incorporated by reference into any filing under the Securities Act of 1933, as amended, or into another filing under the Exchange Act, unless that filing expressly incorporates this information by reference.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.

Description

99.1

Press release issued by the Company on August 14, 2025.

104

Cover Page Interactive Data File (embedded within the Inline XBRL document).

2

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.

PHIO PHARMACEUTICALS CORP.

Date: August 14, 2025 By: /s/ Robert J. Bitterman

Robert J. Bitterman

President & Chief Executive Officer

3

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