false 0001768224 0001768224 2026-08-25 2026-08-25 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 25, 2026

 

ARCTURUS THERAPEUTICS HOLDINGS INC.

(Exact name of registrant as specified in its charter)

 

Delaware   001-38942   32-0595345
(State or other jurisdiction
of incorporation)
  (Commission
File Number)
  (I.R.S. Employer
Identification No.)

 

10285 Science Center Drive

San Diego, California 92121 

(Address of principal executive offices)

 

Registrant’s telephone number, including area code: (858) 900-2660

 

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, par value $0.001 per share   ARCT   The Nasdaq Stock Market LLC

 

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 7.01. Regulation FD Disclosure.

 

On August 25, 2026, Arcturus Therapeutics Holdings Inc., a Delaware corporation (the “Company” or “Arcturus”) will present a poster (the “Presentation”) titled “Impact of ARCT-810 mRNA Therapy on Dietary Intake and Biochemical Data in Adolescents and Adults with Ornithine Transcarbamylase Deficiency” at the 2026 Annual Symposium of the Society for the Study of Inborn Errors of Metabolism, to be held in Helsinki, Finland. Additional data and the regulatory plan for this program is expected to be communicated later this quarter.

 

A copy of the Presentation is furnished herewith as Exhibit 99.1 and incorporated into this Item 7.01 by reference.

 

The information in this Item 7.01 of this Current Report on Form 8-K, and the Presentation, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended. The information contained in this Item 7.01, and in the Presentation, shall not be incorporated by reference into any filing with the Securities and Exchange Commission made by the Company, whether made before or after the date hereof, regardless of any general incorporation language in such filing.

 

Item 9.01 Financial Statements and Exhibits.

 

(d) Exhibits.

 

Exhibit No. Description of Exhibit
   
99.1 Presentation
104 Cover Page to this Current Report on Form 8-K in Inline XBRL

 

 

 

 

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.

 

  Arcturus Therapeutics Holdings Inc.
Date: August 25, 2026  
  By: /s/ Joseph E. Payne
  Name: Joseph E. Payne
  Title: Chief Executive Officer

 

 


ATTACHMENTS / EXHIBITS

ATTACHMENTS / EXHIBITS

e665725_ex99-1.pdf

XBRL SCHEMA FILE

XBRL LABEL FILE

XBRL PRESENTATION FILE

IDEA: R1.htm

IDEA: FilingSummary.xml

IDEA: MetaLinks.json

IDEA: e665725_8k-arct_htm.xml