DUNN JAMES E. JR. purchased 200.1% of their position (3.33K shares) of GUERRILLA RF, INC. on the open market

Open‑market purchase worth $10.0K — a major conviction buy. The strongest form of insider conviction signal.

P · 1 purchase

DUNN JAMES E. JR.

Filed: 5/19/2026ACC: 0001437749-26-017707

InsiderDUNN JAMES E. JR.CIK 1891907

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IssuerGUERRILLA RF, INC.CIK 1832487

Director

Since Oct 2021

+18.96K

Net shares

Net buyer

$10.0K

Total acquired

Open market trades

1B · 0S

Total transactions

18.96K acquired

Non-Derivative Transactions1

Common Stock

Indirect

P · Purchase

+3.33K

Price / share

$3.00

Trade value

$10.01K

% of position

200.1%

5/13/2026

1.67K→5K

Total

Net shares

+3.33K

Net value

$10.01K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Indirect	5/13/2026	P · Purchase	+3.33K	$3.00	$10.01K	200.1%	1.67K	5K
Total			+3.33K		$10.01K

Derivative Transactions1

Stock Option

Direct

A · Award

Converts to

Common Stock

15.63K shares

+15.63K

Strike price

3.05

Held after

15.63K

Exercisable

—

5/15/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option Direct	Common Stock15.63K shares	5/15/2026	A · Award	+15.63K	3.05	—	15.63K

Non-Derivative Holdings (Post-Transaction)1

Common Stock

Direct

Shares owned48.33K

Total

48.33K direct48.33K

Security Title	Shares Owned	Ownership Type
Common Stock	48.33K	Direct
Total	48.33K	48.33K direct

Derivative Holdings (Post-Transaction)6

Stock Option

Direct

Underlying security

Common Stock

Underlying shares

2.46K

Shares owned

2.46K

Exercise price

1.4200

Expiration

—

Exercise window

—

Stock Option

Direct

Underlying security

Common Stock

Underlying shares

2.46K

Shares owned

2.46K

Exercise price

3.1900

Expiration

—

Exercise window

—

Warrant

Indirect

Underlying security

Common Stock

Underlying shares

834.00

Shares owned

834.00

Exercise price

12.0000

Expiration

—

Exercise window

—

Stock Option

Direct

Underlying security

Common Stock

Underlying shares

2.46K

Shares owned

2.46K

Exercise price

1.9300

Expiration

—

Exercise window

—

Stock Option

Direct

Underlying security

Common Stock

Underlying shares

1.23K

Shares owned

1.23K

Exercise price

2.2000

Expiration

—

Exercise window

—

Stock Option

Direct

Underlying security

Common Stock

Underlying shares

2.95K

Shares owned

2.95K

Exercise price

2.9000

Expiration

—

Exercise window

—

Total

Underlying

12.41K

Owned

12.41K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Stock Option Direct	Common Stock	1.4200	—	—	2.46K	2.46K
Stock Option Direct	Common Stock	3.1900	—	—	2.46K	2.46K
Warrant Indirect	Common Stock	12.0000	—	—	834.00	834.00
Stock Option Direct	Common Stock	1.9300	—	—	2.46K	2.46K
Stock Option Direct	Common Stock	2.2000	—	—	1.23K	1.23K
Stock Option Direct	Common Stock	2.9000	—	—	2.95K	2.95K
Total					12.41K	12.41K