Guerrilla RF director gets options for 14K shares

Q: What derivative award did GUER director William J. Pratt receive on 2026-08-14?

William J. Pratt received a stock option for 14,164 shares of Guerrilla RF, Inc. Common Stock at an exercise price of $6.00 per share, expiring on 2036-08-14. The option is immediately exercisable but subject to vesting and a company repurchase right.

Q: How does the new GUER option granted to William J. Pratt vest?

The new option for 14,164 shares at $6.00 vests on the earlier of one year from the grant date or Guerrilla RF’s next annual stockholders’ meeting, currently expected June 9, 2027, subject to Pratt’s continued service. It is immediately exercisable but subject to a repurchase right until vested.

Q: What common stock holdings does William J. Pratt report in GUER?

William J. Pratt reports 151,789 shares of Guerrilla RF Common Stock held directly and an additional 1,000 shares held indirectly by his spouse. These figures represent reported ownership positions as of the 2026-08-14 Form 4 transactions and holdings table.

Q: What is the warrant position reported by William J. Pratt in GUER?

William J. Pratt reports a warrant on Guerrilla RF Common Stock covering 21,139 underlying shares with an exercise price of $2.50 per share, exercisable from 2024-09-28 and expiring on 2029-09-28, held directly.

Guerrilla RF, Inc. director William J. Pratt received a stock option grant for 14,164 shares of Common Stock on 2026-08-14 with an exercise price of $6.00 per share and expiration on 2036-08-14.

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Rhea-AI Filing Summary

Guerrilla RF, Inc. director William J. Pratt received a stock option grant for 14,164 shares of Common Stock on 2026-08-14 with an exercise price of $6.00 per share and expiration on 2036-08-14. The option is immediately exercisable but subject to a right of repurchase by the company for shares issued before vesting; it vests on the earlier of the first anniversary of the grant date or the next annual stockholders’ meeting, subject to continued service. Pratt also reports existing directly held options and warrants on Guerrilla RF Common Stock and direct ownership of 151,789 shares plus 1,000 shares held indirectly by his spouse.

Insider Trade Summary

Grant/Award: 14,164 shares

Grant/Award 9 txns

Insider PRATT WILLIAM J

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 ^F1	--	--	--
holding	Stock Option ^F1	--	--	--
holding	Stock Option ^F1	--	--	--
holding	Warrant	--	--	--
holding	Stock Option	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Stock Option — 38,653 contracts for 24,489 underlying shares (Direct); Warrant — 21,139 contracts (Direct); Common Stock — 151,789 shares (Direct); Common Stock — 1,000 shares (Indirect, Held by Spouse)

Footnotes (2)

F1. The shares subject to the option are fully vested and exercisable.
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 +5 more

8 metrics

New option grant underlying shares 14,164 shares Stock option for Common Stock granted 2026-08-14 to director William J. Pratt

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

New option expiration 2036-08-14 Expiration date of stock option for 14,164 shares

Direct common stock holdings 151,789 shares Common Stock held directly by William J. Pratt

Indirect common stock holdings (spouse) 1,000 shares Common Stock held indirectly, nature of ownership: Held by Spouse

Warrant underlying shares 21,139 shares Common Stock underlying warrant at $2.50, expiring 2029-09-28

Option at $3.05 15,625 underlying shares Stock option on Common Stock at $3.05, expiring 2036-05-15

Option at $1.42 2,462 underlying shares Stock option on Common Stock at $1.42, expiring 2026-10-26

Key Terms

right of repurchase, immediately exercisable, vests, underlying security, +1 more

5 terms

right of repurchase financial

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

immediately exercisable financial

"The option is immediately exercisable, subject to a right of repurchase"

vests financial

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

underlying security financial

"underlying security title: Common Stock, underlying security shares"

warrant financial

"security_title: Warrant with underlying security title: Common Stock"

A warrant is a time-limited financial contract that gives its holder the right to buy a company's shares at a set price before a specified date, like a coupon that lets you purchase stock at a fixed discount for a limited time. It matters to investors because warrants offer leveraged exposure to a stock’s upside and can dilute existing shareholders if exercised, so they affect potential gains and the company’s outstanding share count.

FAQ

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

What derivative award did GUER director William J. Pratt receive on 2026-08-14?

William J. Pratt received a stock option for 14,164 shares of Guerrilla RF, Inc. Common Stock at an exercise price of $6.00 per share, expiring on 2036-08-14. The option is immediately exercisable but subject to vesting and a company repurchase right.

How does the new GUER option granted to William J. Pratt vest?

The new option for 14,164 shares at $6.00 vests on the earlier of one year from the grant date or Guerrilla RF’s next annual stockholders’ meeting, currently expected June 9, 2027, subject to Pratt’s continued service. It is immediately exercisable but subject to a repurchase right until vested.

What common stock holdings does William J. Pratt report in GUER?

William J. Pratt reports 151,789 shares of Guerrilla RF Common Stock held directly and an additional 1,000 shares held indirectly by his spouse. These figures represent reported ownership positions as of the 2026-08-14 Form 4 transactions and holdings table.

What existing options and warrants on GUER does William J. Pratt hold?

Pratt reports several derivative positions on Guerrilla RF, including options over 2,462 shares at $1.42, 2,464 shares at $1.93, 1,967 shares at $2.20, 1,971 shares at $3.19, and 15,625 shares at $3.05, plus a warrant over 21,139 shares at $2.50 per share.

What is the warrant position reported by William J. Pratt in GUER?

William J. Pratt reports a warrant on Guerrilla RF Common Stock covering 21,139 underlying shares with an exercise price of $2.50 per share, exercisable from 2024-09-28 and expiring on 2029-09-28, held directly.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 08/18/2026 - 08:46 AM EDT

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^*

PRATT WILLIAM J

(Last)

(First)

(Middle)

2610 SOUTHERN GATES DR.

(Street)

GREENSBORO

NORTH CAROLINA

27410

(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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock								151,789	D
Common Stock								1,000	I	Held by Spouse

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Stock Option	$1.42							⁽¹⁾	10/26/2026	Common Stock	2,462		2,462	D
Stock Option	$1.93							⁽¹⁾	09/25/2028	Common Stock	2,464		2,464	D
Stock Option	$2.2							⁽¹⁾	09/11/2029	Common Stock	1,967		1,967	D
Stock Option	$3.19							⁽¹⁾	10/30/2030	Common Stock	1,971		1,971	D
Warrant	$2.5							09/28/2024	09/28/2029	Common Stock	21,139		21,139	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)

Source: View Original Filing on SEC EDGAR