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Tonix Pharmaceuticals Holding Corp.

For the period ended May 7, 2026. Filed Mar 30, 2026.

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About this filing

What shareholders are asked to vote on at a company's meeting. It is where to find what directors and top executives are paid, and who owns the most shares.

May 7, 2026 · Filed Mar 30, 2026

Use the contents to explore the available documents and sections.

TNXP$4.74+3.0%Stored close · as of Nov 6, 2026
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Contents

Cover page

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**UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Filed by the Registrant☒
Filed by a Party other than the Registrant☐

Check the appropriate box:

☐Preliminary Proxy Statement
☐Confidential, For Use of the Commission Only (as Permitted by Rule 14a-6(e)(2))
☒Definitive Proxy Statement
☐Definitive Additional Materials
☐Soliciting Material Pursuant to § 240.14a-12

(Name of Registrant as Specified in its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check the appropriate box):

☒No fee required
☐Fee paid previously with preliminary materials
☐Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11

200 Connel Drive, Suite 3001

**Berkeley Heights, NJ 07922

Telephone: (862) 799-8599

NOTICE OF ANNUAL MEETING OF SHAREHOLDERS

The Annual Meeting of the shareholders of Tonix Pharmaceuticals Holding Corp. (the “Company” or “Tonix”) will be held on Thursday, May 7, 2026, at 11:00 a.m. Eastern Time (the “Annual Meeting”). The Annual Meeting will be held via the internet. Shareholders will be able to listen, vote and ask questions regardless of location via the internet by registering athttp://web.viewproxy.com/tonixpharma/2026 by using the control number included on your notice regarding the availability of proxy materials, proxy card (printed in the box and marked by the arrow) and the instructions that accompanied your proxy materials. You will not be able to attend the Annual Meeting in person. The Annual Meeting is being held for the purposes of:

1.The election of the nine director nominees named in the Proxy Statement to hold office until the next annual meeting of shareholders;
2.The ratification of the appointment of PricewaterhouseCoopers LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026;
3.To authorize the Company’s Board of Directors (the “Board”), in its discretion at any time within two years after shareholder approval is obtained, to effect one or more reverse stock splits of the then-outstanding shares of the Company’s common stock, having an aggregate ratio of not less than one-for-two (1:2) and not greater than one-for-two-hundred-fifty (1:250), with the exact number of reverse stock splits during such two-year period, and the exact ratio and timing of each such reverse stock split to be determined by the Company’s Board and included in a public announcement;
4.To approve the Tonix Pharmaceuticals Holding Corp. 2026 Stock Incentive Plan; and
5.The consideration of any other matters that may properly come before the Annual Meeting.

Only shareholders of record at the close of business on March 19, 2026, will be entitled to attend and vote at the Annual Meeting. The proxy materials will be furnished to shareholders on or about March 30, 2026.

Important Notice Regarding the Availability of Proxy Materials for the 2026 Annual Meeting of Shareholders to be held on Thursday, May 7, 2026:

Our proxy materials including this Proxy Statement, our Annual Report on Form 10-K for the year ended December 31, 2025 and the proxy card or voting instruction form are available on the Internet at: http://web.viewproxy.com/tonixpharma/2026. Under Securities and Exchange Commission (“SEC”) rules, we are providing access to our proxy materials both by sending you this full set of proxy materials and by notifying you of the availability of our proxy materials on the Internet.

BY ORDER OF THE BOARD OF DIRECTORS

Seth Lederman

Chief Executive Officer and Chairman of the Board of Directors

March 30, 2026

You are cordially invited to attend the Annual Meeting of shareholders via live webcast by registering athttp://web.viewproxy.com/tonixpharma/2026. Whether or not you expect to attend the Annual Meeting, please complete, date, sign and return the enclosed proxy as instructed in these materials, as promptly as possible in order to ensure your representation at the meeting. A return envelope (which is postage prepaid if mailed in the United States) is enclosed for your convenience. Even if you have voted by proxy, you may still vote if you attend the virtual meeting via webcast. Please note, however, that if your shares are held of record by a broker, bank or other nominee and you wish to vote at the meeting, you must obtain a proxy issued in your name from that record holder.

TABLE OF CONTENTS

Page
INFORMATION CONCERNING THE ANNUAL MEETING4
QUESTIONS AND ANSWERS ABOUT THESE PROXY MATERIALS AND VOTING5
PROPOSAL NO. 1: ELECTION OF DIRECTORS11
Information about the Nominees11
Board Independence13
Board Leadership Structure13
Board Role in Risk Oversight14
Shareholder Communications with the Board14
Meetings and Committees of the Board14
Board Committees14
Nomination of Directors16
Code of Ethics17
PROPOSAL NO. 2: RATIFICATION OF APPOINTMENT OF OUR INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM18
Review of the Company’s Audited Financial Statements for the Fiscal Year Ended December 31, 202518
Fees Paid to Auditors18
Pre-Approval Policies and Procedures19
REPORT OF THE AUDIT COMMITTEE OF THE BOARD OF DIRECTORS20
PROPOSAL NO. 3: APPROVAL OF THE REVERSE STOCK SPLIT PROPOSAL21
PROPOSAL NO. 4: APPROVAL OF THE 2026 STOCK INCENTIVE PLAN28
INFORMATION ABOUT THE EXECUTIVE OFFICERS37
Executive Officers37
Involvement in Certain Legal Proceedings38
EXECUTIVE COMPENSATION39
Compensation Philosophy and Practices39
Summary Compensation Table40
Grants of Plan-Based Awards in Fiscal 202540
Outstanding Equity Awards at December 31, 202541
Option Exercises and Stock Vested44
Equity Compensation Plan Information44
Employment Contracts and Termination of Employment and Change-In-Control Arrangements45
Directors Compensation Table49
SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT50
PAY VERSUS PERFORMANCE DISCLOSURE52
CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS56
PROPOSALS OF SHAREHOLDERS FOR THE 2027 ANNUAL MEETING57
HOUSEHOLDING OF ANNUAL MEETING MATERIALS57
OTHER BUSINESS57
Annex ATonix Pharmaceuticals Holding Corp. 2026 Stock Incentive Plan

200 Connell Drive, Suite 3001

**Berkeley Heights, NJ 07922

Telephone: (862) 799-8599

**PROXY STATEMENT

FOR THE 2026 ANNUAL MEETING OF SHAREHOLDERS

TO BE HELD ON THURSDAY MAY 7, 2026

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.