−Removed: OTHER INFORMATION. 
−Removed: During the period covered by this Quarterly Report, none of the Company’s directors or executive officers has adopted or terminated a Rule 10b5-1 trading arrangement or a non-Rule 10b5-1 trading arrangement (each as defined in Item 408 of Regulation S-K under the Securities Exchange Act of 1934, as amended).
−Removed: EXHIBITS 
−Removed: First Amendment to Commercial Lease Agreement for 5300 Memorial
+Added: OTHER INFORMATION.
+Added: During the period covered by this Quarterly Report, none of the Company’s directors or executive officers has adopted or terminated a Rule 10b5 - 1 trading arrangement or a non-Rule 10b5 - 1 trading arrangement (each as defined in Item 408 of Regulation S-K under the Securities Exchange Act of 1934, as amended).
+Added: Certificate of Amendment to the Amended and Restated Certificate of Incorporation of Moleculin Biotech, Inc., filed with the Secretary of State of the State of Delaware (incorporated by reference to exhibit 3.1 of the Form 8-K filed March 19, 2024)
+Added: Amendment and Restated Employment Agreement between Moleculin Biotech, Inc.
+Added: and Walter V.
+Added: Klemp dated January 4, 2024 (incorporated by reference to exhibit 10.1 of the Form 8-K filed January 5, 2024)
+Added: Amendment and Restated Employment Agreement between Moleculin Biotech, Inc.
+Added: and Jonathan P.
+Added: Foster dated January 4, 2024 (incorporated by reference to exhibit 10.2 of the Form 8-K filed January 5, 2024)
+Added: Employment Agreement between Moleculin Biotech, Inc.
+Added: and Donald Picker dated January 4, 2024 (incorporated by reference to exhibit 10.3 of the Form 8-K filed January 5, 2024)
Certification of Principal Executive Officer Pursuant to Section 302 of Sarbanes-Oxley Act of 2002
4 unchanged sentences
Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
−Removed: Inline XBRL Instance Document (the Instance Document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document) 
+Added: Inline XBRL Instance Document (the Instance Document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document)
Inline XBRL Taxonomy Extension Schema Document
5 unchanged sentences
* Filed herewith.
−Removed: + The certifications on Exhibit 32 hereto are deemed not “filed”
−Removed: for purposes of Section 18 of the Exchange Act or otherwise subject to the liability of that Section.
+Added: + The certifications on Exhibit 32 hereto are deemed not “filed” for purposes of Section 18 of the Exchange Act or otherwise subject to the liability of that Section.
Such certifications will not be deemed incorporated by reference into any filing under the Securities Act or the Exchange Act.
1 unchanged sentence
MOLECULIN BIOTECH, INC.
−Removed: November 13, 2023
/s/ Walter V.
1 unchanged sentence
(Principal Executive Officer)
−Removed: November 13, 2023
/s/ Jonathan P.
2 unchanged sentences
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.