United States

Guerrilla RF Inc (GUER)

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Guerrilla RF Inc experienced insider trading activity on May 13, 2026, when James E. Dunn Jr. and Michael John-Williams executed purchase orders. These acquisitions represent the most recent recorded transactions for the firm. Historical data indicates a consistent pattern of buying by various company officials over several years.
Ticker: GUER Exchange: PNK
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Guerrilla RF Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.8
Dunn James E. Jr. Non-Executive Director
Transaction date
Purchase
Price
93.54
Quantity 19,299 -30.9%
Value US$4,526,270
3.2
John-Williams Michael Chief Financial Officer Officer
Transaction date
Purchase
Price
442.20
Quantity 22,757 -43.4%
Value US$2,658,809
3.8
Dunn James E. Jr. Non-Executive Director
Transaction date
Purchase
Price
283.50
Quantity 31,453 -13.0%
Value US$770,199
1.5
PRATT WILLIAM J Non-Executive Director
Transaction date
Purchase
Price
3.75
Quantity 216 +18.5%
Value US$810
3.8
Dunn James E. Jr. Non-Executive Director
Transaction date
Purchase
Price
3.00
Quantity 1,666 +9.5%
Value US$4,998
1.4
Pratt Ryan Michael Chief Executive Officer Executive Director
Transaction date
Purchase
Price
4.25
Quantity 100 +0.0%
Value US$425
1.4
Pratt Ryan Michael Chief Executive Officer Executive Director
Transaction date
Purchase
Price
3.52
Quantity 901 +0.1%
Value US$3,172
1.4
Pratt Ryan Michael Chief Executive Officer Executive Director
Transaction date
Purchase
Price
4.25
Quantity 59 +8.1%
Value US$251
1.5
PRATT WILLIAM J Non-Executive Director
Transaction date
Purchase
Price
4.25
Quantity 200 +20.7%
Value US$850
1.4
Pratt Ryan Michael Chief Executive Officer Executive Director Large shareholder
Transaction date
Purchase
Price
2.50
Quantity 33,822 +3.7%
Value US$84,555
1.6
Mason Mark Alan Chief Operating Officer Officer
Transaction date
Purchase
Price
4.52
Quantity 225 +inf%
Value US$1,017
1.4
Pratt Ryan Michael Chief Executive Officer Executive Director Large shareholder
Transaction date
Purchase
Price
4.99
Quantity 43 +inf%
Value US$215
1.5
PRATT WILLIAM J Non-Executive Director
Transaction date
Purchase
Price
6.95
Quantity 100 +35.3%
Value US$695
1.5
PRATT WILLIAM J Non-Executive Director
Transaction date
Purchase
Price
7.00
Quantity 200 +52.2%
Value US$1,400
3.8
SUMMERELL VIRGINIA R Non-Executive Director
Transaction date
Purchase
Price
6.20
Quantity 200 +inf%
Value US$1,240
3.8
SUMMERELL VIRGINIA R Non-Executive Director
Transaction date
Purchase
Price
7.00
Quantity 200 +100.0%
Value US$1,400
1.5
PRATT WILLIAM J Non-Executive Director
Transaction date
Purchase
Price
7.75
Quantity 200 +241.0%
Value US$1,550
Barkal Susan Berish Non-Executive Director
Transaction date
Purchase
Price
1.30
Quantity 40,000 +inf%
Value US$52,000
Berg John Alen Chief Financial Officer Officer
Transaction date
Purchase
Price
1.30
Quantity 20,000 +13.9%
Value US$26,000
3.8
Dunn James E. Jr. Non-Executive Director
Transaction date
Purchase
Price
1.30
Quantity 10,000 +inf%
Value US$13,000
1.5
PRATT WILLIAM J Non-Executive Director
Transaction date
Purchase
Price
4.00
Quantity 500 +inf%
Value US$2,000
1.5
PRATT WILLIAM J Non-Executive Director
Transaction date
Purchase
Price
4.00
Quantity 200 +0.0%
Value US$800
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-19 2026-05-13 B Purchase
3.8
Dunn James E. Jr.
Non-Executive Director
19,299 -30.9%
93.54
US$4,526,270 		19,299 -30.9% 93.54 US$4,526,270
2026-05-15 2026-05-13 B Purchase
3.2
John-Williams Michael

Chief Financial Officer

Officer
22,757 -43.4%
442.20
US$2,658,809 		22,757 -43.4% 442.20 US$2,658,809
2024-12-11 2024-11-26 B Purchase
3.8
Dunn James E. Jr.
Non-Executive Director
31,453 -13.0%
283.50
US$770,199 		31,453 -13.0% 283.50 US$770,199
2024-08-28 2024-08-27 B Purchase
1.5
PRATT WILLIAM J
Non-Executive Director
216 +18.5%
3.75
US$810 		216 +18.5% 3.75 US$810
2024-05-31 2024-05-29 B Purchase
3.8
Dunn James E. Jr.
Non-Executive Director
1,666 +9.5%
3.00
US$4,998 		1,666 +9.5% 3.00 US$4,998
2024-05-28 2024-05-28 B Purchase
1.4
Pratt Ryan Michael

Chief Executive Officer

Executive Director
100 +0.0%
4.25
US$425 		100 +0.0% 4.25 US$425
2024-05-28 2024-05-24 B Purchase
1.4
Pratt Ryan Michael

Chief Executive Officer

Executive Director
901 +0.1%
3.52
US$3,172 		901 +0.1% 3.52 US$3,172
2024-05-28 2024-05-23 B Purchase
1.4
Pratt Ryan Michael

Chief Executive Officer

Executive Director
59 +8.1%
4.25
US$251 		59 +8.1% 4.25 US$251
2024-05-20 2024-05-20 B Purchase
1.5
PRATT WILLIAM J
Non-Executive Director
200 +20.7%
4.25
US$850 		200 +20.7% 4.25 US$850
2024-04-01 2024-03-28 B Purchase
1.4
Pratt Ryan Michael

Chief Executive Officer

Executive Director Large shareholder
33,822 +3.7%
2.50
US$84,555 		33,822 +3.7% 2.50 US$84,555
2023-06-01 2023-05-30 B Purchase
1.6
Mason Mark Alan

Chief Operating Officer

Officer
225 +inf%
4.52
US$1,017 		225 +inf% 4.52 US$1,017
2023-05-30 2023-05-25 B Purchase
1.4
Pratt Ryan Michael

Chief Executive Officer

Executive Director Large shareholder
43 +inf%
4.99
US$215 		43 +inf% 4.99 US$215
2023-05-19 2023-05-18 B Purchase
1.5
PRATT WILLIAM J
Non-Executive Director
100 +35.3%
6.95
US$695 		100 +35.3% 6.95 US$695
2023-05-19 2023-05-18 B Purchase
1.5
PRATT WILLIAM J
Non-Executive Director
200 +52.2%
7.00
US$1,400 		200 +52.2% 7.00 US$1,400
2023-05-19 2023-05-18 B Purchase
3.8
SUMMERELL VIRGINIA R
Non-Executive Director
200 +inf%
6.20
US$1,240 		200 +inf% 6.20 US$1,240
2023-05-19 2023-05-18 B Purchase
3.8
SUMMERELL VIRGINIA R
Non-Executive Director
200 +100.0%
7.00
US$1,400 		200 +100.0% 7.00 US$1,400
2023-05-16 2023-05-15 B Purchase
1.5
PRATT WILLIAM J
Non-Executive Director
200 +241.0%
7.75
US$1,550 		200 +241.0% 7.75 US$1,550
2023-01-23 2023-01-20 B Purchase
Barkal Susan Berish
Non-Executive Director
40,000 +inf%
1.30
US$52,000 		40,000 +inf% 1.30 US$52,000
2023-01-04 2022-12-30 B Purchase
Berg John Alen

Chief Financial Officer

Officer
20,000 +13.9%
1.30
US$26,000 		20,000 +13.9% 1.30 US$26,000
2023-01-04 2022-12-30 B Purchase
3.8
Dunn James E. Jr.
Non-Executive Director
10,000 +inf%
1.30
US$13,000 		10,000 +inf% 1.30 US$13,000
2022-08-31 2022-08-17 B Purchase
1.5
PRATT WILLIAM J
Non-Executive Director
500 +inf%
4.00
US$2,000 		500 +inf% 4.00 US$2,000
2022-08-31 2022-08-17 B Purchase
1.5
PRATT WILLIAM J
Non-Executive Director
200 +0.0%
4.00
US$800 		200 +0.0% 4.00 US$800
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