SCIENTIFIC INDUSTRIES INC

Item 5. Market for the Registrant’s Common Equity, Related Shareholders Matters and Issuer Purchases of Equity Securities.

Common Stock

The Company’s Common Stock is traded on the Over-The-Counter (“OTC”) Market, under the trading symbol “SCND”. The following table sets forth the low and high bid quotations at the end of each quarter for the years ended December 31, 2025 and 2024, respectively, as reported by the National Association of Securities Dealers, Inc. Electronic Bulletin Board. Such quotations reflect inter-dealer prices, without retail mark-up, mark-down or commission and may not represent actual transactions:

As of March 27, 2026, there were 262 record holders of the Company’s Common Stock.

Recent sales of unregistered securities; use of proceeds from registered securities

None

On April 18, 2025, the Company entered into a Securities Purchase Agreement (the “April 2025 Purchase Agreement”) with certain investors (each an “April Investor”) pursuant to which the Company sold in a private placement, and the April Investors purchased, an aggregate of 1,550,000 units, which comprised of (i) 1,050,000 shares of the Company’s Common Stock, (ii) pre-funded warrants to purchase 500,000 shares of Common Stock, and (iii) warrants to purchase 1,550,000 shares of Common Stock, for a total consideration of $1,550,000. The Company recognized $97,800 of issuance costs, which was attributable to legal and placement agent fees.

Purchases of equity securities by the issuer and affiliated purchasers

None.