SCHEDULE 13D/A 0001781002-23-000049 0001781002 XXXXXXXX LIVE 2 Common Stock, $0.05 par value 03/19/2025 false 0000087802 808757108 Scientific Industries, Inc.

80 Orville Drive, Suite 102 Bohemia NY 11716

Bleichroeder LP (212) 698-3101 1345 Avenue of the Americas, 47th Floor New York NY 10105 0001781002 N Bleichroeder LP AF N DE 2465026 0 2465026 0 2465026 N 20.95 IA Y Bleichroeder Holdings LLC AF N DE 2465026 0 2465026 0 2465026 N 20.95 HC Y Andrew Gundlach AF N X1 2465026 0 2465026 0 2465026 N 20.95 IN This Schedule 13D is being filed on behalf of Bleichroeder LP ("Bleichroeder"), with respect to Shares beneficially owned by it. The general partner of Bleichroeder is Bleichroeder Holdings LLC (the "General Partner"). Andrew Gundlach owns (through a trust) all of the equity interests of the General Partner and is the Chairman and CEO of Bleichroeder. The foregoing persons are hereinafter sometimes referred to as the Reporting Persons. Any disclosures herein with respect to persons other than the Reporting Persons are made on information believed to be accurate after making inquiry to the appropriate party. Bleichroeder is the investment manager or adviser to funds and/or managed accounts and may be deemed to have beneficial ownership over the Shares directly owned by the funds and managed accounts by virtue of the authority granted to it to vote and to dispose of the securities held by them. The address of the principal business and principal office of each of the Reporting Persons is 1345 Avenue of the Americas, 47th Floor, New York, NY 10105. The principal business of Bleichroeder is to serve as an investment manager or adviser to various investment partnerships and managed accounts. The principal business of the General Partner is to serve as General Partner of Bleichroeder. The principal business of Mr. Gundlach is to serve as the Chairman and CEO of Bleichroeder. During the last five (5) years, none of the Reporting Persons have been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors). During the last five (5) years, none of Bleichroeder, the General Partner or Mr. Gundlach has been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. Bleichroeder is a limited partnership organized under the laws of the State of Delaware. The General Partner is a limited liability company organized under the laws of the State of Delaware. Mr. Gundlach is a United States Citizen. Exhibit 99.1: Introductory Statement Exhibit 99.2: Joint Filing Agreement Bleichroeder LP Andrew Gundlach 03/21/2025 Bleichroeder Holdings LLC Andrew Gundlach 03/21/2025 Andrew Gundlach Andrew Gundlach 03/21/2025