Moleculin Biotech, Inc. Sample Contracts

SERIES D COMMON STOCK PURCHASE WARRANT MOLECULIN BIOTECH, INC.
Security Agreement • February 26th, 2025 • Moleculin Biotech, Inc. • Pharmaceutical preparations • New York

THIS SERIES D COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, [_____________] or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or the Stockholder Approval Date (the “Initial Exercise Date”) and on or prior to 5:00 p.m. (New York City time) on the five (5) year anniversary of the Initial Exercise Date (the “Termination Date”) but not thereafter, to subscribe for and purchase from Moleculin Biotech, Inc., a Delaware corporation (the “Company”), up to [______] shares of Common Stock (as subject to adjustment hereunder, the “Warrant Shares”). The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

SECURITIES PURCHASE AGREEMENT
Securities Purchase Agreement • February 11th, 2025 • Moleculin Biotech, Inc. • Pharmaceutical preparations • New York

This Securities Purchase Agreement (this “Agreement”) is dated as of [______], 2025, between Moleculin Biotech, Inc., a Delaware corporation (the “Company”), and each purchaser identified on the signature pages hereto (each, including its successors and assigns, a “Purchaser” and collectively the “Purchasers”).

SECURITIES PURCHASE AGREEMENT
Securities Purchase Agreement • December 21st, 2023 • Moleculin Biotech, Inc. • Pharmaceutical preparations • New York

This Securities Purchase Agreement (this “Agreement”) is dated as of December 20, 2023, between Moleculin Biotech, Inc., a Delaware corporation (the “Company”), and each purchaser identified on the signature pages hereto (each, including its successors and assigns, a “Purchaser” and collectively the “Purchasers”).

SERIES E COMMON STOCK PURCHASE WARRANT MOLECULIN BIOTECH, INC.
Warrant Agreement • June 2nd, 2025 • Moleculin Biotech, Inc. • Pharmaceutical preparations • New York

THIS SERIES E COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, [_____________] or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the [Stockholder Approval Date]1 (the “Initial Exercise Date”) and on or prior to 5:00 p.m. (New York City time) on the five (5) year anniversary of the Initial Exercise Date, (the “Termination Date”) but not thereafter, to subscribe for and purchase from Moleculin Biotech, Inc., a Delaware corporation (the “Company”), up to [______] shares of Common Stock (as subject to adjustment hereunder, the “Warrant Shares”). The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

COMMON STOCK PURCHASE WARRANT MOLECULIN BIOTECH, INC.
Common Stock Purchase Warrant • December 21st, 2023 • Moleculin Biotech, Inc. • Pharmaceutical preparations

THIS COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, [_______] or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the Shareholder Approval Date (the “Initial Exercise Date”) and on or prior to 5:00 p.m. (New York City time) on five (5) year anniversary of the Shareholder Approval Date (the “Termination Date”), but not thereafter, to subscribe for and purchase from Moleculin Biotech, Inc., a Delaware corporation (the “Company”), up to _______ shares (as subject to adjustment hereunder, the “Warrant Shares”) of Common Stock. The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

REGISTRATION RIGHTS AGREEMENT
Registration Rights Agreement • October 5th, 2018 • Moleculin Biotech, Inc. • Pharmaceutical preparations • Illinois

REGISTRATION RIGHTS AGREEMENT (this "Agreement"), dated as of October 4, 2018, by and between MOLECULIN BIOTECH, INC., a Delaware corporation (the "Company"), and LINCOLN PARK CAPITAL FUND, LLC, an Illinois limited liability company (together with it permitted assigns, the “Buyer”). Capitalized terms used herein and not otherwise defined herein shall have the respective meanings set forth in the Purchase Agreement by and between the parties hereto, dated as of the date hereof (as amended, restated, supplemented or otherwise modified from time to time, the "Purchase Agreement").

PLACEMENT AGENCY AGREEMENT
Placement Agency Agreement • February 26th, 2025 • Moleculin Biotech, Inc. • Pharmaceutical preparations • New York
3,710,000 SHARES of Common Stock, 3,710,000 SERIES A Warrants (EXERCISABLE FOR 1,855,000 SHARES OF COMMON STOCK), 3,710,000 SERIES b Warrants (EXERCISABLE FOR 3,710,000 SHARES OF COMMON STOCK), and 3,710,000 SERIES c Warrants (EXERCISABLE FOR...
Underwriting Agreement • February 9th, 2017 • Moleculin Biotech, Inc. • Pharmaceutical preparations • New York

The undersigned, Moleculin Biotech, Inc., a company incorporated under the laws of Delaware (collectively with its subsidiaries and affiliates, including, without limitation, all entities disclosed or described in the Registration Statement as being subsidiaries or affiliates of Moleculin Biotech, Inc., (the “Company”)), hereby confirms its agreement (this “Agreement”) with the several underwriters (such underwriters, including the Representative (as defined below), the “Underwriters” and each an “Underwriter”) named in Schedule I hereto for which Roth Capital Partners, LLC is acting as representative to the several Underwriters (the “Representative” and if there are no Underwriters other than the Representative, references to multiple Underwriters shall be disregarded and the term Representative as used herein shall have the same meaning as Underwriter) on the terms and conditions set forth herein.

MOLECULIN BIOTECH, INC. Common Stock (par value $0.001 per share) At Market Issuance Sales Agreement
At Market Issuance Sales Agreement • June 25th, 2021 • Moleculin Biotech, Inc. • Pharmaceutical preparations • New York

Moleculin Biotech, Inc., a Delaware corporation (the “Company”), confirms its agreement (this “Agreement”), with Oppenheimer & Co. Inc. (the “Agent”) as follows:

PLACEMENT AGENT COMMON STOCK PURCHASE WARRANT MOLECULIN BIOTECH, INC.
Placement Agent Common Stock Purchase Warrant • August 15th, 2024 • Moleculin Biotech, Inc. • Pharmaceutical preparations • New York

THIS PLACEMENT AGENT COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, _____________ or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the [Stockholder Approval Date] (the “Initial Exercise Date”) and on or prior to 5:00 p.m. (New York City time) on _____(the “Termination Date”) but not thereafter, to subscribe for and purchase from Moleculin Biotech, Inc., a Delaware corporation (the “Company”), up to ______ shares of Common Stock (as subject to adjustment hereunder, the “Warrant Shares”). The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b). This Warrant is issued pursuant to that certain engagement agreement by and between the Company and H.C. Wainwright & Co., LLC, dated as of June 8, 2024.

PURCHASE AGREEMENT
Purchase Agreement • June 25th, 2021 • Moleculin Biotech, Inc. • Pharmaceutical preparations • Illinois

PURCHASE AGREEMENT (the “Agreement”), dated as of June 25, 2021, by and between MOLECULIN BIOTECH, INC., a Delaware corporation, (the “Company”), LINCOLN PARK CAPITAL FUND, LLC, an Illinois limited liability company (the “Investor”).

PLACEMENT AGENCY AGREEMENT
Placement Agency Agreement • June 21st, 2018 • Moleculin Biotech, Inc. • Pharmaceutical preparations • New York
FORM OF WARRANT] MOLECULIN BIOTECH, INC. Warrant To Purchase Common Stock
Warrant Agreement • February 6th, 2020 • Moleculin Biotech, Inc. • Pharmaceutical preparations • New York

Moleculin Biotech, Inc., a company organized under the laws of Delaware (the "Company"), hereby certifies that, for good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, [HOLDER], the registered holder hereof or its permitted assigns (the "Holder"), is entitled, subject to the terms set forth below, to purchase from the Company, at the Exercise Price (as defined below) then in effect, at any time or times on or after [date six months and one day after the Issuance Date], (the “Initial Exercisability Date”), but not after 11:59 p.m., New York time, on the Expiration Date, (as defined below), ______________ (_____________) fully paid non-assessable shares of Common Stock (as defined below), subject to adjustment as provided herein (the "Warrant Shares"). Except as otherwise defined herein, capitalized terms in this Warrant to Purchase Common Stock (including any Warrants to Purchase Common Stock issued in exchange, transfer or replacement hereof,

WARRANT AGENCY AGREEMENT
Warrant Agency Agreement • January 18th, 2017 • Moleculin Biotech, Inc. • Pharmaceutical preparations • New York

WARRANT AGENCY AGREEMENT, dated as of , 2017 (“Agreement”), between Moleculin Biotech, Inc., a Delaware corporation (the “Company”) and VStock Transfer, LLC (the “Warrant Agent”).

PLACEMENT AGENCY AGREEMENT
Placement Agency Agreement • December 21st, 2023 • Moleculin Biotech, Inc. • Pharmaceutical preparations • New York
MOLECULIN BIOTECH, INC. 5,250,000 Units, Each Consisting of One Share of Common Stock and 0.5 of a Warrant to Purchase One Share of Common Stock UNDERWRITING AGREEMENT
Underwriting Agreement • March 28th, 2019 • Moleculin Biotech, Inc. • Pharmaceutical preparations • New York

Moleculin Biotech, Inc., a Delaware corporation (the “Company”), proposes, subject to the terms and conditions contained herein, to sell to you and the other underwriters named on Schedule I to this Agreement (the “Underwriters”), for whom you are acting as Representative (the “Representative”), an aggregate of (i) 5,250,000 shares (the “Shares”) of the Company’s common stock, $0.001 par value per share (the “Common Stock”) and (ii) warrants (the “Warrants”) to purchase up to an aggregate of 2,625,000 shares of Common Stock (the “Warrant Shares”). The respective amounts of the Shares and Warrants to be purchased by each of the several Underwriters are set forth opposite their names on Schedule I hereto. The Shares, the Warrants and the Warrant Shares are collectively referred to as the “Securities.”

PREFUNDED COMMON STOCK PURCHASE WARRANT MOLECULIN BIOTECH, INC.
Prefunded Common Stock Purchase Warrant • June 2nd, 2025 • Moleculin Biotech, Inc. • Pharmaceutical preparations • New York

THIS PRE-FUNDED COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, [_____________] or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the date hereof (the “Initial Exercise Date”) and until this Warrant is exercised in full (the “Termination Date”) but not thereafter, to subscribe for and purchase from Moleculin Biotech, Inc., a Delaware corporation (the “Company”), up to [______] shares of Common Stock (as subject to adjustment hereunder, the “Warrant Shares”). The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

UNDERWRITING AGREEMENT dated [·], 2016 Bonwick Capital Partners, LLC Underwriting Agreement
Underwriting Agreement • March 22nd, 2016 • Moleculin Biotech, Inc. • Pharmaceutical preparations • New York
14,273,684 Shares MOLECULIN BIOTECH, INC. Common Stock UNDERWRITING AGREEMENT
Underwriting Agreement • February 4th, 2021 • Moleculin Biotech, Inc. • Pharmaceutical preparations • New York

Moleculin Biotech, Inc., a Delaware corporation (the “Company”), proposes, subject to the terms and conditions contained herein, to sell to you and the other underwriters named on Schedule I to this Agreement (the “Underwriters”), for whom you are acting as Representative (the “Representative”), an aggregate of 14,273,684 shares (the “Firm Shares”) of the Company’s common stock, $0.001 par value per share (the “Common Stock”). In addition, the Company proposes to grant to the Underwriters an option to purchase up to an additional 2,141,052 shares (the “Option Shares”) of Common Stock from the Company for the purpose of covering over-allotments in connection with the sale of the Firm Shares. The Firm Shares and the Option Shares are collectively called the “Shares.”

SECURITIES PURCHASE AGREEMENT
Securities Purchase Agreement • June 6th, 2025 • Moleculin Biotech, Inc. • Pharmaceutical preparations • New York

This Securities Purchase Agreement (this “Agreement”) is dated as of [______], 2025, between Moleculin Biotech, Inc., a Delaware corporation (the “Company”), and each purchaser identified on the signature pages hereto (each, including its successors and assigns, a “Purchaser” and collectively the “Purchasers”).

STRICTLY CONFIDENTIAL Moleculin Biotech, Inc.
Underwriting Agreement • August 15th, 2024 • Moleculin Biotech, Inc. • Pharmaceutical preparations • New York
SERIES A COMMON STOCK PURCHASE WARRANT MOLECULIN BIOTECH, INC.
Series a Common Stock Purchase Warrant • August 15th, 2024 • Moleculin Biotech, Inc. • Pharmaceutical preparations • New York

THIS SERIES A COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, _____________ or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the [Stockholder Approval Date]1 (the “Initial Exercise Date”) and on or prior to 5:00 p.m. (New York City time) on the earlier of (i) the two (2) year anniversary of the Initial Exercise Date, and (ii) the 60th day following the date on which the Company publicly announces the occurrence of the Series A Milestone Event (the “Termination Date”) but not thereafter, to subscribe for and purchase from Moleculin Biotech, Inc., a Delaware corporation (the “Company”), up to ______ shares of Common Stock (as subject to adjustment hereunder, the “Warrant Shares”). The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

REGISTRATION RIGHTS AGREEMENT
Registration Rights Agreement • June 25th, 2021 • Moleculin Biotech, Inc. • Pharmaceutical preparations • Illinois

REGISTRATION RIGHTS AGREEMENT (this “Agreement”), dated as of June 25, 2021, by and between MOLECULIN BIOTECH, INC., a Delaware corporation (the “Company”), and LINCOLN PARK CAPITAL FUND, LLC, an Illinois limited liability company (together with its permitted assigns, the “Investor”). Capitalized terms used herein and not otherwise defined herein shall have the respective meanings set forth in the Purchase Agreement by and between the parties hereto, dated as of the date hereof (as amended, restated, supplemented or otherwise modified from time to time, the “Purchase Agreement”).

AMENDED AND RESTATED EMPLOYMENT AGREEMENT
Employment Agreement • January 5th, 2024 • Moleculin Biotech, Inc. • Pharmaceutical preparations • Texas

This AMENDED AND RESTATED EMPLOYMENT AGREEMENT (the “Agreement”) is entered into as of January 4, 2024 (the “Effective Date”), by and between Moleculin Biotech, Inc., a Delaware corporation (the “Company”) having its principal place of business at 5300 Memorial Dr Ste 950, Houston, Texas, 77007, and Jonathan Foster (“Executive”, and the Company and the Executive collectively referred to herein as the “Parties”) having his office at such location of his choosing.

PLACEMENT AGENCY AGREEMENT
Placement Agency Agreement • June 23rd, 2025 • Moleculin Biotech, Inc. • Pharmaceutical preparations • New York
Indemnification AND ADVANCEMENT Agreement
Indemnification Agreement • May 31st, 2017 • Moleculin Biotech, Inc. • Pharmaceutical preparations • Delaware

This Indemnification Agreement (this “Agreement”) is made as of ________________, 2017, by and between Moleculin Biotech, Inc., a Delaware corporation (the “Company”), and __________________ (“Indemnitee”). Capitalized terms used but not otherwise defined herein have the meanings set forth in Section 12.

SERIES C COMMON STOCK PURCHASE WARRANT MOLECULIN BIOTECH, INC.
Series C Common Stock Purchase Warrant • January 29th, 2025 • Moleculin Biotech, Inc. • Pharmaceutical preparations • New York

THIS SERIES C COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, [_____________] or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the [Stockholder Approval Date]1 (the “Initial Exercise Date”) and on or prior to 5:00 p.m. (New York City time) on the [____ (_)] year anniversary of the Initial Exercise Date (the “Termination Date”) but not thereafter, to subscribe for and purchase from Moleculin Biotech, Inc., a Delaware corporation (the “Company”), up to [______] shares of Common Stock (as subject to adjustment hereunder, the “Warrant Shares”). The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

SERIES D COMMON STOCK PURCHASE WARRANT MOLECULIN BIOTECH, INC.
Series D Common Stock Purchase Warrant • January 29th, 2025 • Moleculin Biotech, Inc. • Pharmaceutical preparations • New York

THIS SERIES D COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, [_____________] or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the [Stockholder Approval Date]1 (the “Initial Exercise Date”) and on or prior to 5:00 p.m. (New York City time) on the [____ (_)] year anniversary of the Initial Exercise Date, (the “Termination Date”) but not thereafter, to subscribe for and purchase from Moleculin Biotech, Inc., a Delaware corporation (the “Company”), up to [______] shares of Common Stock (as subject to adjustment hereunder, the “Warrant Shares”). The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

SECURITIES PURCHASE AGREEMENT
Securities Purchase Agreement • June 23rd, 2025 • Moleculin Biotech, Inc. • Pharmaceutical preparations • New York

This Securities Purchase Agreement (this “Agreement”) is dated as of June 20, 2025, between Moleculin Biotech, Inc., a Delaware corporation (the “Company”), and each purchaser identified on the signature pages hereto (each, including its successors and assigns, a “Purchaser” and collectively the “Purchasers”).

PATENT AND TECHNOLOGY LICENSE AGREEMENT
Patent and Technology License Agreement • March 24th, 2022 • Moleculin Biotech, Inc. • Pharmaceutical preparations • Texas

This AGREEMENT (“AGREEMENT”) is made by and between THE BOARD OF REGENTS (“BOARD”) of THE UNIVERSITY OF TEXAS SYSTEM (“SYSTEM”), an agency of the State of Texas, whose address is 201 West 7th Street, Austin, Texas 78701, on behalf of THE UNIVERSITY OF TEXAS M. D. ANDERSON CANCER CENTER (“MD ANDERSON”), a member institution of SYSTEM, and MOLECULIN BIOTECH, INC. a Delaware corporation having a principal place of business located at 5300 Memorial Drive - Suite 950, Houston, Texas 77007 (“LICENSEE”).

SECURITIES PURCHASE AGREEMENT
Securities Purchase Agreement • February 26th, 2025 • Moleculin Biotech, Inc. • Pharmaceutical preparations • New York

This Securities Purchase Agreement (this “Agreement”) is dated as of February 25, 2025, between Moleculin Biotech, Inc., a Delaware corporation (the “Company”), and each purchaser identified on the signature pages hereto (each, including its successors and assigns, a “Purchaser” and collectively the “Purchasers”).

COMMERCIAL LEASE AGREEMENT Exh. 10.1
Commercial Lease Agreement • May 14th, 2018 • Moleculin Biotech, Inc. • Pharmaceutical preparations

This Commercial Lease (“Lease”) is entered into as of _________________, 2018 (the “Effective Date”), by and between IPX MEMORIAL DRIVE INVESTORS, LLC, a Delaware limited liability company (“Landlord”) and MOLECULIN BIOTECH, INC., a Delaware corporation (“Tenant”). In consideration of the mutual covenants set forth herein, Landlord and Tenant agree as follows:

SERIES E COMMON STOCK PURCHASE WARRANT
Series E Common Stock Purchase Warrant • June 23rd, 2025 • Moleculin Biotech, Inc. • Pharmaceutical preparations • New York

THIS SERIES E COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, [_____________] or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or after the Stockholder Approval Date (the “Initial Exercise Date”) and on or prior to 5:00 p.m. (New York City time) on the five (5) year anniversary of the Initial Exercise Date, (the “Termination Date”) but not thereafter, to subscribe for and purchase from Moleculin Biotech, Inc., a Delaware corporation (the “Company”), up to [______] shares of Common Stock (as subject to adjustment hereunder, the “Warrant Shares”). The purchase price of one share of Common Stock under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

Moleculin Biotech, Inc.
Subscription Agreement • February 6th, 2020 • Moleculin Biotech, Inc. • Pharmaceutical preparations • New York

The undersigned (the “Investor”) hereby confirms its agreement with Moleculin Biotech, Inc., a Delaware corporation (the “Company”) as follows:

MOLECULIN BIOTECH, INC. 7,500,000 Shares of Common Stock Warrants to Purchase 5,625,000 Shares of Common Stock PLACEMENT AGENT AGREEMENT
Placement Agent Agreement • February 6th, 2020 • Moleculin Biotech, Inc. • Pharmaceutical preparations • New York

Subject to the terms and conditions herein (this “Agreement”) Moleculin Biotech, Inc., a Delaware corporation (the “Company”), hereby agrees to sell up to an aggregate of (i) 7,500,000 (the “Shares”) of the Company’s common stock, $0.001 par value per share (the “Common Stock”) and (ii) warrants (the “Warrants”) to purchase up to an aggregate of 5,625,000 shares of Common Stock (the “Warrant Shares”) directly to various purchasers (each, a “Purchaser” and, collectively, the “Purchasers”) through Oppenheimer & Co. Inc., as Placement Agent (the “Placement Agent”). This Agreement and the documents executed and delivered by the Company and the Purchasers in connection with the Offering (as defined below), including, without limitation, a subscription agreement (the “Subscription Agreement”), shall be collectively referred to herein as the “Transaction Documents.” The Shares, the Warrants and the Warrant Shares are collectively referred to as the “Securities.” The Placement Agent may retain