Guerrilla RF grants director options on 14K shares

Guerrilla RF, Inc. (GUER) reported that director Virginia R. Summerell received a stock option grant for 14,164 shares of common stock at an exercise price of $6.00 per share, expiring August 14, 2036.

Rhea-AI Filing Summary

Guerrilla RF, Inc. (GUER) reported that director Virginia R. Summerell received a stock option grant for 14,164 shares of common stock at an exercise price of $6.00 per share, expiring August 14, 2036. The option is immediately exercisable but is subject to a right of repurchase by the company for shares issued upon exercise before vesting. It vests on the earlier of the first anniversary of the grant date or the company’s next annual meeting of stockholders, currently expected to be June 9, 2027, contingent on continued service. Summerell also holds options covering 15,625 shares at an exercise price of $3.05 and directly holds 26,811 shares of common stock following the reported transactions.

Insider Trade Summary

Grant/Award: 14,164 shares

Grant/Award 3 txns

Insider SUMMERELL VIRGINIA R

Role Director

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

Holdings After Transaction: Stock Option — 29,789 contracts for 15,625 underlying shares (Direct); Common Stock — 26,811 shares (Direct)

Footnotes (1)

1. F1. 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 size: 14,164 shares New option exercise price: $6.00 per share New option expiration: 2036-08-14 +4 more

7 metrics

New option grant size 14,164 shares Stock option grant to director Virginia R. Summerell on 2026-08-14

New option exercise price $6.00 per share Exercise price for 14,164-share stock option grant expiring 2036-08-14

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

Existing option underlying shares 15,625 shares Underlying shares for existing stock option at $3.05, expiring 2036-05-15

Existing option exercise price $3.05 per share Exercise price of previously reported stock option position

Common stock held 26,811 shares Direct GUER common stock holdings after reported transactions

Expected vesting reference date June 9, 2027 Company’s next annual meeting, used as alternative vesting trigger

Key Terms

right of repurchase, vests, annual meeting of stockholders, exercise price

4 terms

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 financial

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

exercise price financial

"conversion_or_exercise_price": "6.0000""

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

FAQ

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

What insider transaction did GUER report for Virginia R. Summerell?

Guerrilla RF, Inc. reported a stock option grant to director Virginia R. Summerell for 14,164 shares of common stock at an exercise price of $6.00 per share, expiring August 14, 2036, as part of her director compensation.

What are the vesting terms of Virginia R. Summerell’s new GUER stock options?

The 14,164-share GUER option grant vests on the earlier of the first anniversary of the grant date or the company’s next annual meeting of stockholders, currently expected to be June 9, 2027, subject to Summerell’s continued service through that date.

What does the right of repurchase mean for the new GUER options?

Shares issued if the new GUER option is exercised before vesting are subject to a right of repurchase in favor of Guerrilla RF. This allows the company to repurchase those unvested shares, even though the option itself is immediately exercisable.

What GUER equity holdings does Virginia R. Summerell have after this Form 4?

After the reported transactions, Virginia R. Summerell directly holds 26,811 shares of GUER common stock. She also has stock options covering 14,164 shares at $6.00 and separate options over 15,625 shares at an exercise price of $3.05 per share.

What other stock options does Virginia R. Summerell hold in GUER?

In addition to the new grant, Summerell holds GUER stock options tied to 15,625 underlying shares of common stock with an exercise price of $3.05 per share and an expiration date of May 15, 2036, held directly.

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

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Accepted by SEC EDGAR 08/18/2026 - 05:29 PM EDT 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^*

SUMMERELL VIRGINIA R

(Last) (First) (Middle)

6 INDEPENDENCE COURT

(Street)

GREENSBORO NORTH CAROLINA 27408

(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								26,811	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	$3.05							05/15/2026	05/15/2036	Common Stock	15,625		15,625	D
Stock Option	$6	08/14/2026		A		14,164		(1)	08/14/2036	Common Stock	14,164	$0	14,164	D

Explanation of Responses:

1. 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.

Remarks:

	/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)