James E. Dunn Jr. - 14 Aug 2026 Form 4 Insider Report for Guerrilla RF, Inc. (GUER)

Reporting relationship: Director
Issuer ticker: GUER
Reported as of: 14 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 18 Aug 2026, 11:09:20 UTC
Prior SEC filing: 15 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Charnice Suggs, Attorney-in-Fact

Key filing fact

James E. Dunn Jr. filed Form 4 for Guerrilla RF, Inc. (GUER) on 18 Aug 2026.

Key facts

This page summarizes James E. Dunn Jr.'s Form 4 filing for Guerrilla RF, Inc. (GUER).
1 reported transaction and 4 derivative rows are listed below.
Accepted by SEC: 18 Aug 2026, 11:09.

Change

Previous filing in this sequence was filed on 15 Jun 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001891907 Primary reporting owner

Dunn James E. Jr.

Relationship: Director
Address: 2315 KIRKPATRICK PLACE, GREENSBORO
Signature: /s/ Charnice Suggs, Attorney-in-Fact
Signature date: 18 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

GUER holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 36,732
Date: 14 Aug 2026
Ownership: Direct

GUER holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 22,754
Date: 14 Aug 2026
Ownership: By Trust
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

GUER transaction Derivative

Stock Option

Award

Transaction value
Shares: +14,164
Change %
Price: $0.000000^*
Shares after: 14,164
Date: 14 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 14,164
Exercise price: $6.00
Footnotes: F3

GUER holding Derivative

Stock Option

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,464
Date: 14 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 2,464
Exercise price: $3.19
Footnotes: F2

GUER holding Derivative

Warrant

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 834
Date: 14 Aug 2026
Ownership: By Trust.
Underlying class: Common Stock
Underlying amount: 834
Exercise price: $12.00
Footnotes: F1

GUER holding Derivative

Stock Option

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 15,625
Date: 14 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 15,625
Exercise price: $3.05

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Shares and warrants held of record by the James E. Dunn, Jr. Restated 1985 Revocable Trust, for the benefit of Reporting Person.

Footnote F2

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

Footnote F3

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.