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Theriva Biologics (NYSE: TOVX) fails quorum, delays 16.18M-warrant share vote

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

Rhea-AI Filing Summary

Theriva Biologics, Inc. reported that it could not convene its Special Meeting of Stockholders on June 5, 2026 because too few shares were present to form a quorum. The meeting had been called to seek stockholder approval for the issuance of up to 16,184,560 shares of common stock upon exercise of certain common stock purchase warrants issued under an October 16, 2025 inducement agreement.

The company plans to call a new stockholder meeting and will file and mail updated proxy materials with the meeting details. Under the inducement agreement, unless investors waive this requirement, Theriva must continue to call additional stockholder meetings every 60 days to seek the necessary approval until it is obtained or the warrants are no longer outstanding.

Positive

  • None.

Negative

  • None.
Item 8.01 Other Events Other
Voluntary disclosure of events the company deems important to shareholders but not covered by other items.
Shares tied to warrant approval 16,184,560 shares Issuable upon exercise of certain common stock purchase warrants with required stockholder approval
Inducement Agreement date October 16, 2025 Date of warrant inducement agreement with institutional investors
Meeting cycle Every 60 days Frequency of additional stockholder meetings required until approval or warrant expiration
Special Meeting date June 5, 2026 Date on which the Special Meeting was called to order but not convened
Company address 9605 Medical Center Drive, Suite 270 Principal executive offices in Rockville, Maryland 20850
Special Meeting of Stockholders financial
"On June 5, 2026, Theriva Biologics, Inc. called to order its Special Meeting of Stockholders"
A special meeting of stockholders is an unscheduled gathering called to let shareholders vote on specific, often urgent company decisions—like mergers, major asset sales, changes to the board, or amendments to governing rules. Think of it as an emergency town hall where owners cast ballots in person or by mail/online; outcomes can materially change a company’s strategy, control or value, so investors pay close attention and may need to vote or adjust holdings accordingly.
quorum financial
"there were not present or represented by proxy a sufficient number of shares ... to constitute a quorum"
A quorum is the minimum number of members needed to officially hold a meeting or make decisions. It ensures that decisions are made with enough participation to represent the group’s interests, much like a majority must be present for a vote to be valid. For investors, understanding quorum is important because it affects when and how important company or organization decisions can be legally made.
Inducement Agreement financial
"Under that certain warrant inducement agreement (the “Inducement Agreement”), dated October 16, 2025"
Stockholder Approval financial
"for the purpose of seeking approval of the issuance ... (“Stockholder Approval”). The purpose of the Special Meeting was to seek such Stockholder Approval."
Stockholder approval is formal consent given by a company’s shareholders, usually through a vote at a meeting or by proxy, for major actions such as mergers, asset sales, changes to corporate structure, or amendments to governance rules. Investors pay attention because the vote can enable or block steps that materially change a company’s direction, ownership or value—like neighbors voting to allow a major renovation that would alter a building’s use and worth.
common stock purchase warrants financial
"upon the exercise of certain common stock purchase warrants (“Warrants”) issued pursuant to the Inducement Agreement"
Common stock purchase warrants are tradable instruments that give the holder the right to buy a company’s common shares at a set price before a specified date, like a coupon that lets you purchase stock later at a fixed rate. They matter to investors because they offer a way to gain future upside if the stock rises, but when exercised they increase the number of shares outstanding and can reduce existing shareholders’ ownership and earnings per share.
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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): June 5, 2026

 

THERIVA BIOLOGICS, INC.

(Exact name of registrant as specified in its charter)

 

Nevada   001-12584   13-3808303
(State or other jurisdiction of
incorporation)
  (Commission File No.)   (IRS Employer Identification
No.)

 

9605 Medical Center Drive, Suite 270

Rockville, Maryland 20850

(Address of principal executive offices and zip code)

 

(301) 417-4364

Registrant’s telephone number, including area code

 

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 (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 $0.001 per share TOVX NYSE American

 

Indicate by check mark whether the registrant is an emerging growth company as defined in in Rule 405 of the Securities Act of 1933 (17 CFR §230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2 of this chapter).

 

Emerging growth company ¨

 

If an emerging growth company, indicate by checkmark 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 June 5, 2026, Theriva Biologics, Inc. (the “Company”) called to order its Special Meeting of Stockholders (the “Special Meeting”). At that time, there were not present or represented by proxy a sufficient number of shares of the Company’s common stock to constitute a quorum. As a result, the Company was not able to convene the Special Meeting. The Company intends to call a new meeting of stockholders to seek approval of the warrant exercise proposal and adjournment proposal set forth in the definitive proxy statement filed with the Securities Exchange Commission (the “SEC”) by the Company on April 30, 2026. The Company intends to file with the SEC and mail proxy materials to its stockholders that will include information regarding the date and time of the new meeting, as required.

 

Under that certain warrant inducement agreement (the “Inducement Agreement”), dated October 16, 2025, by and between the Company and certain institutional investors, the Company agreed to use its reasonable best efforts to call a stockholder meeting within 60 days following the closing of the transactions contemplated by the Inducement Agreement for the purpose of seeking approval of the issuance of up to an aggregate of 16,184,560 shares of the Company’s common stock upon the exercise of certain common stock purchase warrants (“Warrants”) issued pursuant to the Inducement Agreement (“Stockholder Approval”). The purpose of the Special Meeting was to seek such Stockholder Approval. Because the Company was not able to convene the Special Meeting, unless waived by the investors, the Company will be required under the Inducement Agreement to continue to call an additional meeting of stockholders every 60 days thereafter to seek Stockholder Approval until the earlier of the date on which Stockholder Approval is obtained or the Warrants are no longer outstanding.

 

 

 

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.

 

Dated: June 5, 2026 THERIVA BIOLOGICS, INC.
       
  By: /s/ Steven A. Shallcross
    Name: Steven A. Shallcross
    Title: Chief Executive Officer and Chief Financial Officer

 

 

 

FAQ

What did Theriva Biologics (TOVX) announce about its June 5, 2026 special meeting?

Theriva Biologics announced it could not convene its June 5, 2026 Special Meeting of Stockholders because there were not enough shares present or represented by proxy to constitute a quorum, so no business, including warrant matters, could be conducted.

Why was the Theriva Biologics (TOVX) special meeting important for warrant approval?

The special meeting was called to seek stockholder approval for the issuance of up to 16,184,560 common shares upon exercise of certain warrants issued under an October 16, 2025 inducement agreement, a key step required under that agreement.

What are the obligations under Theriva Biologics’ October 16, 2025 Inducement Agreement?

Under the October 16, 2025 Inducement Agreement, Theriva Biologics agreed to use reasonable best efforts to call a stockholder meeting to approve issuing up to 16,184,560 shares on warrant exercise and, absent a waiver, to keep calling meetings every 60 days until approval or warrant expiration.

How will Theriva Biologics (TOVX) proceed after failing to convene the special meeting?

Theriva Biologics plans to call a new stockholder meeting to again seek approval for the warrant-related share issuance and adjournment proposal and will file and mail new proxy materials with the date, time, and other required information.

What recurring requirement does Theriva Biologics face if stockholder approval is not obtained?

If stockholder approval is not obtained and investors do not waive the condition, Theriva Biologics must continue to call additional stockholder meetings every 60 days to seek approval until it is achieved or the related warrants are no longer outstanding.

Filing Exhibits & Attachments

3 documents