Form 8-K

8-K — Arcturus Therapeutics Holdings Inc.

Accession: 0001193805-26-000770

Filed: 2026-06-05

Period: 2026-06-05

CIK: 0001768224

SIC: 2834 (PHARMACEUTICAL PREPARATIONS)

Item: Submission of Matters to a Vote of Security Holders

Documents

8-K — e665552_8k-arct.htm (Primary)

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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

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

(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, 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 5.07

Submission of Matters to a Vote of Security Holders.

On June 5, 2026, Arcturus

Therapeutics Holdings Inc. (the “Company”) held its 2026 annual meeting of stockholders (the “Meeting”).The total

number of shares of common stock, par value $0.001 per share, entitled to vote at the Meeting was 28,423,069 and there were present at

the Meeting, in person or by proxy, 21,435,189 shares, which constituted a quorum for the Meeting.

At the Meeting, the stockholders

voted on the following proposals, each of which is described in more detail in the Company’s definitive proxy statement filed with

the SEC on April 24, 2026 (the “Proxy Statement”):

(1) To elect Dr. Peter Farrell,

Joseph E. Payne, James Barlow, Dr. Edward W. Holmes, Dr. Magda Marquet, Dr. Jing L. Marantz, Dr. John Markels, and Dr. Moncef Slaoui to

the Board of Directors, to serve until the Company’s annual meeting of stockholders;

(2) To approve, on a non-binding

advisory basis, the resolution approving named executive officer compensation; and

(3) To ratify the appointment

of Deloitte & Touche LLP (“Deloitte”), as the Company’s independent registered public accounting firm for the fiscal

year ending December 31, 2026.

The final results of the stockholder

votes at the Meeting are set forth below:

Proposal No. 1

For

Withhold

Broker Non-Votes

Approval of the election of the following individuals as directors of the Company, as provided in Proposal Number 1 of the Proxy Statement:

(1) Dr. Peter Farrell

15,641,369

116,895

5,676,925

(2) Joseph E. Payne

15,660,970

97,294

5,676,925

(3) James Barlow

15,618,263

140,001

5,676,925

(4) Dr. Edward W. Holmes

15,521,066

237,198

5,676,925

(5) Dr. Magda Marquet

15,616,156

142,108

5,676,925

(6) Dr. Jing L. Marantz

15,626,241

132,023

5,676,925

(7) Dr. John H. Markels

15,633,667

124,597

5,676,925

(8) Dr. Moncef Slaoui

15,643,492

114,772

5,676,925

Each of the nine nominees

was elected to the Board, each to hold office until the Company’s 2027 annual meeting of stockholders and until their respective

successors are elected and qualified.

Proposal No. 2

For

Against

Abstain

Broker Non-Votes

Approval, on a non-binding advisory basis, the resolution approving named executive officer compensation, referred to as “say-on-pay,” as provided in Proposal Number 2 of the Proxy Statement:

15,254,240

327,647

176,375

5,676,927

The proposal was approved.

Proposal No. 3

For

Against

Abstain

Broker Non-Votes

Approval of the ratification of the appointment of Deloitte as the Company’s independent registered public accounting firm for the year ending December 31, 2026, as provided in Proposal Number 3 of the Proxy Statement:

21,378,017

46,823

10,349

N/A

The appointment was ratified.

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: June 5, 2026

By:

/s/ Joseph E. Payne

Name:

Joseph E. Payne

Title:

Chief Executive Officer

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Entity Incorporation, State or Country Code

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