NASDAQ false 0001205922 0001205922 2024-02-21 2024-02-21





Washington, D.C. 20549







Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): February 21, 2024



Vaccinex, Inc.

(Exact name of registrant as specified in its charter)




Delaware   001-38624   16-1603202

(State or other jurisdiction

of incorporation)



File Number)


(IRS Employer

Identification No.)

1895 Mount Hope Avenue, Rochester, New York   14620
(Address of principal executive offices)   (Zip Code)

(585) 271-2700

(Registrant’s telephone number, including area code)


(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





Name of each exchange

on which registered

Common Stock, par value $0.0001 per share   VCNX   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 8.01

Other Events.

On February 21, 2024, Vaccinex, Inc. issued a press release announcing multiple new agreements for access to ActivMab® Antigen Virus Technology. A copy of the press release is filed herewith as Exhibit 99.1 and is incorporated by reference herein.


Item 9.01

Financial Statements and Exhibits.





99.1    Press Release, dated February 21, 2024
104    Cover Page Interactive Data File (embedded within the Inline XBRL document)


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.


Date: February 21, 2024    

/s/ Maurice Zauderer

      Maurice Zauderer, Ph.D.
      President & Chief Executive Officer

Exhibit 99.1




Vaccinex Announces Multiple New Agreements for Access to ActivMAb® Antigen Virus Technology

Eight new antibody discovery agreements incorporate Vaccinex’s powerful ActivMAb® Drug Discovery Platform

ActivMab® platform enables the discovery and development of high value antibodies against challenging multi-pass membrane targets

ROCHESTER, N.Y., February 21, 2024 –Vaccinex, Inc. (Nasdaq: VCNX), a clinical-stage biotechnology company pioneering a differentiated approach to treating Alzheimer’s disease and cancer through the inhibition of SEMA4D, announces that it has entered into eight new antibody discovery agreements integrating use of its proprietary ActivMAb platform to select antibodies against difficult-to-drug transmembrane protein targets.

Within the last 3 months, Vaccinex has entered into new antibody discovery agreements for complex targets with 3 major pharma and biotech companies as well as 5 strategic relationships with other antibody service providers who have developed transgenic animal species for immunization or very large synthetic antibody libraries that complement our own technology. ActivMAb’s new “Antigen Virus” application is a powerful complement to drug discovery strategies targeting complex protein targets including ion channels and G-protein coupled receptors (GPCRs) such as chemokine receptors. Specific membrane targets are also key to development of antibody drug conjugates (ADC) for cancer, The ActivMAb system enables expression of functional, properly folded complex proteins on the relatively simple membrane of a mammalian virus. We believe that this is a much more highly purified presentation and efficient selection technology than the complex natural membrane fragments that have been termed virus-like particles.

“We have recently publicized success in selecting high value antibodies against challenging multi-pass membrane targets. We are excited to be able to capitalize on what we believe is recognition of the unique capabilities of our drug discovery technology. We believe recent interest in this technology may reflect increased market optimism and renewed attention to pipelines that were neglected during the biotech downturn of the past two years. Ongoing partnerships can leverage the full suite of our ActivMAb Antibody Discovery solutions to accelerate development of novel, high-value therapeutics”, said Maurice Zauderer, Ph.D., President and Chief Executive Officer of Vaccinex.

Vaccinex’s ActivMAb catalog and custom services are available through Science Exchange.

About ActivMAb®

ActivMAb is a proprietary antibody discovery platform developed by Vaccinex with unique capabilities for multi-pass membrane targets such as G-protein-coupled receptors (GPCRs). The ActivMAb technology has multiple applications including: complex membrane antigen expression and presentation, antibody and antigen discovery, directed evolution and protein optimization. The first clinical candidate selected through use of this technology (CHS-114, a fully human monoclonal antibody targeting CCR8), is in clinical development for cancer immunotherapy by Coherus Biosciences, Inc.

About Vaccinex Inc.

Vaccinex, Inc. is pioneering a differentiated approach to treating slowly progressive neurodegenerative diseases and cancer through the inhibition of semaphorin 4D (SEMA4D). The Company’s lead drug candidate, pepinemab, is designed to block SEMA4D, a potent biological effector that is believed to trigger damaging inflammation in chronic diseases of the brain and to inhibit immune infiltration and activation



in tumors. Pepinemab is being studied as a monotherapy in the Phase 1/2a SIGNAL-AD study in Alzheimer’s Disease that is expected to readout in Q3 2024, with ongoing exploration of potential Phase 3 development in Huntington’s disease. In oncology, pepinemab is being evaluated in combination with KEYTRUDA® in the Phase 1b/2 KEYNOTE-B84 study in recurrent or metastatic head and neck cancer (HNSCC) and in combination with BAVENCIO® in a Phase 1b/2 study in patients with metastatic pancreatic adenocarcinoma (PDAC). The oncology clinical program also includes several investigator-sponsored studies in solid tumors including breast cancer and melanoma.

Forward Looking Statements

To the extent that statements contained in this presentation are not descriptions of historical facts regarding Vaccinex, Inc. (“Vaccinex,” “we,” “us,” or “our”), they are forward-looking statements reflecting management’s current beliefs and expectations. Such statements include, but are not limited to, statements about our plans, ability to capitalize on, expectations and objectives with respect to the “Antigen Virus” applications of the ActivMab® platform, and other statements identified by words such as “believe,” “being,” “can,” “may,” “expect,” “ongoing,” “potential,” and similar expressions or their negatives (as well as other words and expressions referencing future events, conditions, or circumstances). Forward-looking statements involve substantial risks and uncertainties that could cause the outcome of our research and pre-clinical development programs, clinical development programs, future results, performance, or achievements to differ significantly from those expressed or implied by the forward-looking statements. Such risks and uncertainties include, among others, uncertainties inherent in the execution, cost and completion of preclinical studies and clinical trials, that interim and preliminary data may not be predictive of final results and does not ensure success in later preclinical studies and clinical trials, uncertainties related to regulatory approval, risks related to our dependence on our lead product candidate pepinemab, the possible delisting of our common stock from Nasdaq if we are unable to regain compliance with the Nasdaq listing standards, and other matters that could affect our development plans or the commercial potential of our product candidates. Except as required by law, we assume no obligation to update these forward-looking statements. For a further discussion of these and other factors that could cause future results to differ materially from any forward-looking statement, see the section titled “Risk Factors” in our periodic reports filed with the Securities and Exchange Commission (“SEC”) and the other risks and uncertainties described in the Company’s annual year-end Form 10-K and subsequent filings with the SEC.

Investor Contact

Elizabeth Evans, PhD

Chief Operating Officer, Vaccinex, Inc.

(585) 271-2700

Document and Entity Information
Feb. 21, 2024
Cover [Abstract]  
Security Exchange Name NASDAQ
Amendment Flag false
Entity Central Index Key 0001205922
Document Type 8-K
Document Period End Date Feb. 21, 2024
Entity Registrant Name Vaccinex, Inc.
Entity Incorporation State Country Code DE
Entity File Number 001-38624
Entity Tax Identification Number 16-1603202
Entity Address, Address Line One 1895 Mount Hope Avenue
Entity Address, City or Town Rochester
Entity Address, State or Province NY
Entity Address, Postal Zip Code 14620
City Area Code (585)
Local Phone Number 271-2700
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, par value $0.0001 per share
Trading Symbol VCNX
Entity Emerging Growth Company false

Vaccinex (NASDAQ:VCNX)
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