Form 4 Filing for Todd B. Hammer

Todd B. Hammer, a director and 10% owner of Guerrilla RF, Inc., reported a transaction on June 18, 2026. The filing indicates the exercise of a stock option for 15,625 shares of Common Stock, with a transaction price of $0.00 per share. This resulted in a disposal of the option. Concurrently, Hammer acquired 15,625 shares of Common Stock at a price of $3.05 per share, bringing his post-transaction holdings to 32,292 shares. The filing also notes other holdings, including Series A Convertible Preferred Stock and Common Stock Purchase Warrants, with specific exercise dates and prices. Beneficial ownership is noted to be indirect through NR-PRL Partners, LP and NR-PRL Partners GP, LLC.