Form of Series A Convertible Preferred Stock Certificate

Exhibit 4.3

INFINITY ENERGY RESOURCES, INC.

Incorporated Under the Laws of the State of Delaware

Series A Convertible Preferred Stock, $0.0001 Par Value Per Share

This certifies that ______________ is the owner of _____________________ fully paid and non-assessable shares of the Series A convertible preferred stock of Infinity Energy Resources, Inc., a Delaware corporation (the “Corporation”), transferable in person or by duly authorized attorney upon surrender of this certificate properly endorsed. This certificate and the shares represented hereby are subject to the provisions of the Certificate of Incorporation, as amended and as may be further amended, from time to time, the Certificate of Designation of Preferences, Rights and Limitations of Series A Convertible Preferred Stock, as may be amended, from time to time, and the By-laws of the Corporation, as may be amended, from time to time, and to the rights, preferences and voting powers of the Series A Convertible Preferred Stock of the Corporation now or hereinafter outstanding, the terms of all such provisions, rights, preferences and voting powers being incorporated herein by reference.

IN WITNESS WHEREOF, the Corporation has caused this certificate to be signed by its duly authorized officer this __ day of March, 2021.

NOTICE: THE SIGNATURE OF THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME AS WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY PARTICULAR WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE WHATEVER.

LEGEND

NEITHER THIS SECURITY NOR THE SECURITIES INTO WHICH THIS SECURITY IS CONVERTIBLE HAS BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT OR PURSUANT TO AN AVAILABLE EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO, THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT AND IN ACCORDANCE WITH APPLICABLE STATE SECURITIES LAWS. THIS SECURITY AND THE SECURITIES ISSUABLE UPON CONVERSION OF THIS SECURITY MAY BE PLEDGED IN CONNECTION WITH A BONA FIDE MARGIN ACCOUNT WITH A REGISTERED BROKER-DEALER OR OTHER LOAN WITH A FINANCIAL INSTITUTION THAT IS AN “ACCREDITED INVESTOR” AS DEFINED IN RULE 501(a) UNDER THE SECURITIES ACT OR OTHER LOAN SECURED BY SUCH SECURITIES.