14K Guerrilla RF options granted to director

Guerrilla RF, Inc. (GUER) director David B. Bell received a stock option grant for 14,164 shares of common stock on August 14, 2026 at an exercise price of $6.00 per share, expiring August 14, 2036.

Rhea-AI Filing Summary

Guerrilla RF, Inc. (GUER) director David B. Bell received a stock option grant for 14,164 shares of common stock on August 14, 2026 at an exercise price of $6.00 per share, expiring August 14, 2036. The option is immediately exercisable but subject to a right of repurchase on shares issued before vesting, and vests on the earlier of the first anniversary of the grant date or the next annual meeting of stockholders, subject to continued service. Bell also holds previously reported options over 3,696 shares at $3.19 (expiring December 3, 2030) and 15,625 shares at $3.05 (expiring May 15, 2036), and 32,662 shares of common stock held directly.

Insider Trade Summary

Grant/Award: 14,164 shares

Grant/Award 4 txns

Insider BELL DAVID B

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Stock Option F2	14,164	$0.00	$0.00
holding	Stock Option F1	--	--	--
holding	Stock Option	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Stock Option — 33,485 contracts for 19,321 underlying shares (Direct); Common Stock — 32,662 shares (Direct)

Footnotes (2)

1. F1. The shares subject to the option are fully vested and exercisable.
2. F2. The option is immediately exercisable, subject to a right of repurchase in favor of the Issuer with respect to shares issued to the Reporting Person upon exercise of the option prior to vesting. The option vests on the earlier of (i) the first anniversary of the grant date and (ii) the date of the Issuer's next annual meeting of stockholders (currently expected to be June 9, 2027), subject to the Reporting Person's continued service through such vesting date.

Key Figures

New option grant underlying shares: 14,164 shares New option exercise price: $6.00 per share New option expiration: 2036-08-14 +3 more

6 metrics

New option grant underlying shares 14,164 shares Stock option for Guerrilla RF, Inc. common stock granted August 14, 2026

New option exercise price $6.00 per share Exercise price of the 14,164-share stock option expiring August 14, 2036

New option expiration 2036-08-14 Expiration date of the 14,164-share stock option grant

Option underlying shares at $3.19 3,696 shares Existing option with $3.19 exercise price expiring December 3, 2030

Option underlying shares at $3.05 15,625 shares Existing option with $3.05 exercise price expiring May 15, 2036

Direct common stock holdings 32,662 shares Guerrilla RF, Inc. common stock directly held after reported transactions

Key Terms

stock option, right of repurchase, vests, annual meeting of stockholders

4 terms

stock option financial

"The shares subject to the option are fully vested and exercisable."

A stock option is a contract that gives you the right to buy or sell a company's stock at a specific price within a certain time frame. People use them to potentially make money if the stock's price moves favorably or to protect against losses. It's like holding a coupon that can be used to buy or sell stock at a set price later on.

right of repurchase financial

"subject to a right of repurchase in favor of the Issuer"

vests financial

"The option vests on the earlier of (i) the first anniversary"

annual meeting of stockholders regulatory

"the date of the Issuer's next annual meeting of stockholders"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What equity award did David B. Bell receive from GUER on August 14, 2026?

David B. Bell received a stock option grant for 14,164 shares of Guerrilla RF, Inc. common stock at an exercise price of $6.00 per share, expiring on August 14, 2036, according to the Form 4 filing.

How do David B. Bell’s new GUER options vest?

The new GUER option vests on the earlier of one year after grant or the issuer’s next annual meeting of stockholders, currently expected June 9, 2027, subject to Bell’s continued service through the vesting date, and is immediately exercisable subject to a right of repurchase.

What is the exercise price and term of David B. Bell’s latest GUER option grant?

The latest GUER option grant to David B. Bell has an exercise price of $6.00 per share and an expiration date of August 14, 2036, providing a long-dated right to purchase Guerrilla RF, Inc. common shares at that price.

What other GUER stock options does David B. Bell hold?

In addition to the new grant, David B. Bell holds options over 3,696 shares at $3.19 expiring December 3, 2030 and 15,625 shares at $3.05 expiring May 15, 2036, all relating to Guerrilla RF, Inc. common stock.

How many GUER common shares does David B. Bell directly own after the reported transactions?

Following the reported transactions, David B. Bell directly holds 32,662 shares of Guerrilla RF, Inc. common stock. This figure reflects his direct ownership position reported as of August 14, 2026 in the Form 4 filing.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Available on EDGAR 08/18/2026 - 11:23 AM Accepted by SEC EDGAR 08/18/2026 - 11:23 AM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

BELL DAVID B

(Last) (First) (Middle)

130 TEAKWOOD LANE

(Street)

MOORESVILLE NORTH CAROLINA 28117

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Guerrilla RF, Inc. [ GUER ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/14/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock								32,662	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option	$3.19							(1)	12/03/2030	Common Stock	3,696		3,696	D
Stock Option	$3.05							05/15/2026	05/15/2036	Common Stock	15,625		15,625	D
Stock Option	$6	08/14/2026		A		14,164		(2)	08/14/2036	Common Stock	14,164	$0	14,164	D

Explanation of Responses:

1. The shares subject to the option are fully vested and exercisable.

2. The option is immediately exercisable, subject to a right of repurchase in favor of the Issuer with respect to shares issued to the Reporting Person upon exercise of the option prior to vesting. The option vests on the earlier of (i) the first anniversary of the grant date and (ii) the date of the Issuer's next annual meeting of stockholders (currently expected to be June 9, 2027), subject to the Reporting Person's continued service through such vesting date.

	/s/ Charnice Suggs, Attorney-in-Fact	08/18/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)