Note 4 – Series A Convertible Preferred Stock

In October and November 2021, the Company sold to investors in a private placement exempt from registration under the Securities Act of 1933, as amended, an aggregate of 200,000 shares of its 8.0% Series A Convertible Preferred Stock, par value $0.01 per share, at an offering price of $25.00 per share, for gross proceeds of $5.0 million. After payment of placement agent cash fees and expenses of the offering, the Company received net proceeds of approximately $4.6 million.

On October 15, 2025, with the closing price of the Company’s Common Stock having equaled or exceeded $6.67 (120% of the initial conversion price of $5.56, as adjusted for stock splits since the issuance) for at least 20 out of the prior 30 consecutive trading days, the Company converted all 200,000 shares of Series A Convertible Preferred Stock into 900,000 shares of Common Stock as permitted by the certificate of designations of the preferred stock.