Kellie Hyon-Ok Chong - 17 Nov 2025 Form 4 Insider Report for Guerrilla RF, Inc. (GUER)

Role: Chief Business Officer
Signature: /s/ Iain MacSween, Attorney-in-Fact
Issuer symbol: GUER
Transactions as of: 17 Nov 2025
Net transactions value: $0
Form type: 4
Filing time: 18 Nov 2025, 15:32:46 UTC
Previous filing: 01 Feb 2024
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Chong Kellie Hyon-Ok	Chief Business Officer	6021 BECKENHAM WAY, OAK RIDGE	/s/ Iain MacSween, Attorney-in-Fact	18 Nov 2025	0001909330

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	GUER	Common Stock						4,804	17 Nov 2025	See footnote.	F1
holding	GUER	Common Stock						14,229	17 Nov 2025	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	GUER	Stock Option	Award	$0	+25,000		$0.000000	25,000	17 Nov 2025	Common Stock	25,000	$3.05	Direct	F7
holding	GUER	Restricted Stock Unit						4,167	17 Nov 2025	Common Stock	4,167		Direct	F2, F3, F4
holding	GUER	Stock Option						21,667	17 Nov 2025	Common Stock	21,667	$12.00	Direct	F5
holding	GUER	Restricted Stock Unit						11,793	17 Nov 2025	Common Stock	11,793		Direct	F2, F4, F6

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents the Reporting Person's proportionate pecuniary interest in the 24,016 shares of common stock held directly by Ninth Technology, LLC ("Ninth Technology"). The Reporting Person is a member and manager of Ninth Technology. The Reporting Person disclaims beneficial ownership of the shares held by Ninth Technology except to the extent of her proportionate pecuniary interest therein.
F2	Each restricted stock unit represents a contingent right to receive one share of common stock upon vesting of the unit.
F3	The restricted stock units vest on 1/1/2026, subject to the Reporting Person's continued service through the applicable vesting date.
F4	No expiration date.
F5	16,250 of the shares subject to the option have vested, and the remaining shares vest on 1/24/26, subject to the Reporting Person's continued service as of such vesting date.
F6	The restricted stock units vest as follows: (i) 5,896 units on 1/1/2026; and (ii) 5,897 units on 1/1/2027, in each case subject to the Reporting Person's continued service through the applicable vesting date
F7	The options vest as follows: (i) 6,250 options on 5/21/2026; (ii) 520 options on 6/21/26, and monthly thereafter through 4/21/2029; and (iii) 550 options on 5/21/2029, in each case subject to the Reporting Person's continued service through the applicable vesting date.