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BiomX (PHGE) drops BX004 cystic fibrosis study, trims workforce and eyes BX011

Filing Impact
(Moderate)
Filing Sentiment
(Neutral)
Form Type
8-K

Rhea-AI Filing Summary

BiomX Inc. reported that it is discontinuing its ongoing Phase 2b clinical trial of BX004 in cystic fibrosis patients with chronic Pseudomonas aeruginosa infections. Management concluded that the timelines and resources needed to pursue an alternative dosing strategy recommended by the independent Data Monitoring Committee were beyond the company’s available resources.

BiomX is implementing cost-cutting measures, including a significant reduction of its workforce, and plans to concentrate its efforts on advancing its bacteriophage-based therapeutics, particularly BX011 for diabetic foot infections, if sufficient financial and other resources are available. The company is also reviewing other strategic alternatives while noting that these plans involve forward-looking statements subject to substantial risks and uncertainties.

Positive

  • None.

Negative

  • Discontinuation of BX004 Phase 2b CF trial due to resource constraints removes a key clinical-stage program from BiomX’s pipeline.
  • Significant workforce reduction and cost-cutting indicate operational downsizing and financial pressure on the current business model.

Insights

BiomX ends BX004 CF trial, cuts workforce, and shifts focus to BX011.

BiomX Inc. is discontinuing its Phase 2b trial of BX004 in cystic fibrosis with chronic Pseudomonas aeruginosa infections. This follows a Data Monitoring Committee recommendation to continue the study under an adjusted dosing strategy, but management determined that the required timelines and resources exceeded the company’s available capacity.

The company is initiating cost-cutting actions, including a significant reduction of its workforce, which signals a downsizing of operations around the discontinued CF program. BiomX states that, subject to sufficient financial and other resources, it will now focus on its bacteriophage-based candidate BX011 for diabetic foot infections and is reviewing other strategic alternatives.

For investors, this represents a major shift in the development portfolio from a more advanced CF asset to an emphasis on BX011 and potential strategic options. The ultimate impact will depend on BiomX’s ability to secure adequate resources and on future developments in its BX011 program and any transactions arising from the strategic review.

Item 8.01 Other Events Other
Voluntary disclosure of events the company deems important to shareholders but not covered by other items.
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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 8, 2025

 

BiomX Inc.
(Exact Name of Registrant as Specified in its Charter)

 

Delaware   001-38762   82-3364020
(State or other jurisdiction
of incorporation)
  (Commission File Number)   (I.R.S. Employer
Identification No.)

 

22 Einstein St., Floor 4
Ness Ziona, Israel
  7414003
(Address of Principal Executive Offices)   (Zip Code)

 

Registrant’s telephone number, including area code: +972 723942377

 

n/a
(Former name or former address, if changed since last report)

 

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:

 

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, $0.0001 par value   PHGE   NYSE American

 

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.

 

As previously reported, on November 25, 2025, BiomX Inc. (“BiomX” or the “Company”) announced that an independent Data Monitoring Committee (“DMC”) completed a safety review and recommended continuation of the Company’s Phase 2b clinical trial (the “Study”) that is designed to test the Company’s drug candidate BX004 (“BX004”) in treating Cystic Fibrosis (“CF”) with an adjusted dosing regimen.

 

On December 8, 2025, BiomX announced its discontinuation of the ongoing Study with CF associated with chronic Pseudomonas aeruginosa infections. After evaluating the projected timelines and resources required to proceed with an alternative dosing strategy as was recommended by the DMC, the Company determined that such requirements were beyond the Company’s available resources, leading to the decision to discontinue the program. The Company is also taking cost-cutting measures, including a significant reduction of its workforce. Subject to availability of sufficient financial and other resources, BiomX will now focus on advancing its bacteriophage-based therapeutics, particularly BX011 for diabetic foot infections. Simultaneously, the Company is reviewing other strategic alternatives.

 

Forward-Looking Statements

 

This Current Report contains express or implied “forward-looking statements” within the meaning of the “safe harbor” provisions of the U.S. Private Securities Litigation Reform Act of 1995. Forward-looking statements can be identified by words such as: “target,” “believe,” “expect,” “will,” “may,” “anticipate,” “estimate,” “would,” “positioned,” “future,” and other similar expressions that predict or indicate future events or trends or that are not statements of historical matters. For example, when BiomX refers to its focus on BX011, implications of conducting a significant reduction of BiomX’s workforce, sufficiency of financial and other resources, and potential strategic alternatives, it is using forward-looking statements. Forward-looking statements are neither historical facts nor assurances of future performance. Instead, they are based only on BiomX management’s current beliefs, expectations and assumptions. Because forward-looking statements relate to the future, they are subject to inherent uncertainties, risks and changes in circumstances that are difficult to predict and many of which are outside of BiomX’s control. These risks and uncertainties include, but are not limited to, changes in applicable laws or regulations; the possibility that BiomX may be adversely affected by other economic, business, and/or competitive factors, including risks inherent in pharmaceutical research and development, such as: adverse results in BiomX’s drug discovery, preclinical and clinical development activities, the risk that the results of preclinical studies and early clinical trials may not be replicated in later clinical trials, BiomX’s ability to enroll patients in its clinical trials, and the risk that any of its clinical trials may not commence, continue or be completed on time, or at all; decisions made by the FDA, and other regulatory authorities; decisions made by investigational review boards at clinical trial sites and publication review bodies with respect to our development candidates; BiomX’s ability to obtain, maintain and enforce intellectual property rights for its platform and development candidates; its potential dependence on collaboration partners; competition; uncertainties as to the sufficiency of BiomX’s cash resources to fund its planned activities for the periods anticipated and BiomX’s ability to manage unplanned cash requirements; and general economic and market conditions. Therefore, investors should not rely on any of these forward-looking statements and should review the risks and uncertainties described under the caption “Risk Factors” in BiomX’s Annual Report on Form 10-K filed with the Securities and Exchange Commission (the “SEC”) on March 25, 2025, and additional disclosures BiomX makes in its other filings with the SEC, which are available on the SEC’s website at www.sec.gov. Forward-looking statements are made as of the date of this press release, and except as provided by law BiomX expressly disclaims any obligation or undertaking to update forward-looking statements.

 

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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.

 

  BIOMX INC.
     
December 8, 2025 By: /s/ Jonathan Solomon
    Name:  Jonathan Solomon
    Title: Chief Executive Officer

 

 

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FAQ

What did BiomX Inc. (PHGE) announce regarding its BX004 cystic fibrosis program?

BiomX Inc. announced that it is discontinuing its ongoing Phase 2b clinical trial of BX004 for cystic fibrosis patients with chronic Pseudomonas aeruginosa infections after determining that the resources and timelines needed for an alternative dosing strategy were beyond its available resources.

Why is BiomX (PHGE) discontinuing the Phase 2b study of BX004?

After a Data Monitoring Committee recommended continuing the study with an adjusted dosing regimen, BiomX evaluated the projected timelines and resources and concluded that the requirements exceeded the company’s available resources, leading to the decision to discontinue the program.

What cost-cutting actions is BiomX Inc. (PHGE) taking?

BiomX is taking cost-cutting measures that include a significant reduction of its workforce, alongside discontinuing the BX004 Phase 2b cystic fibrosis study.

Which program will BiomX (PHGE) focus on after discontinuing BX004?

Subject to sufficient financial and other resources, BiomX plans to focus on advancing its bacteriophage-based therapeutics, particularly its BX011 candidate for diabetic foot infections.

Is BiomX Inc. (PHGE) considering strategic alternatives?

Yes, BiomX stated that it is reviewing other strategic alternatives while it focuses on BX011 and implements cost-cutting measures.

How does BiomX (PHGE) describe the risks around these plans?

BiomX characterizes statements about its focus on BX011, workforce reduction implications, resource sufficiency, and strategic alternatives as forward-looking and notes they are subject to significant risks and uncertainties, including clinical, regulatory, competitive, and financial risks.