Guerrilla RF, Inc.
GUER- Exchange
- OTC
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001832487
No open-market purchases or sales by Guerrilla RF, Inc. insiders were filed in the last 90 days; 1 institution reported holding it in 13F filings for Q2 2026, worth $63.3K in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Guerrilla RF, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Guerrilla RF, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Hammer Todd B | Director, 10% Owner | 46,456 | Sep 1, 2026 | 4 |
| Ellis Thomas B | Director, 10% Owner | 46,456 | Sep 1, 2026 | 4 |
| Pratt Ryan Michael | Chief Executive Officer | 5,113Indirect | Aug 28, 2026 | 3 |
| Summerell Virginia R | Director | 200 | Aug 18, 2026 | 2 |
| Bell David B | Director | 12,500 | Aug 18, 2026 | 2 |
| Dunn James E. Jr. | Director | 54,484 | Aug 18, 2026 | 3 |
| Smith Gary L | Director | 12,500 | Aug 18, 2026 | 2 |
| Pratt William J | Director | 1,382Indirect | Aug 18, 2026 | 2 |
| Barkal Susan Berish | Director | 40,000 | May 19, 2026 | 1 |
| Mason Mark Alan | Chief Operating Officer | 225 | May 19, 2026 | 2 |
| Chong Kellie Hyon-Ok | Chief Business Officer | – | May 19, 2026 | 2 |
| John-Williams Michael | Chief Financial Officer | 9,870 | May 19, 2026 | 3 |
| Thompson Gregory J | Director | 233,088 | Jun 7, 2024 | 0 |
| Salem Investment Partners V, Limited Partnership | 10% Owner | 695,378 | Apr 1, 2024 | 0 |
| Bodford Alvin M. | 10% Owner, Other: Beneficial Owner | 1,870,905Indirect | Apr 1, 2024 | 0 |
| Berg John Alen | Chief Financial Officer | 163,581 | Feb 1, 2024 | 0 |
| Broxson Jeffery Scott | Vice President of Sales | – | Apr 12, 2022 | 0 |
| Funchess Samuel William Sr. | Director | 71,324 | Jan 3, 2022 | 0 |
| Tompkins Mark N. | Other: Former Director | 2,700,000 | Nov 16, 2021 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 19, 2026 (view filing) | May 13 | 6 daysLate | Dunn James E. Jr.Director | PPurchase | +3.33K | $3.00 | +$10.0K | +200.1%5.00K after | |
| May 15, 2026 (view filing) | May 13 | 2 days | John-Williams MichaelChief Financial Officer | PPurchase | +2.00K | $2.82 | +$5.64K | +25.4%9.87K after | |
| Dec 11, 2024 (view filing) | Nov 26 | 15 daysLate | Dunn James E. Jr.Director | PPurchase | +9.10K | $1.10 | +$10.0K | +47.3%28.3K after | |
| Aug 28, 2024 (view filing) | Aug 27 | 1 day | Pratt William JDirector | PPurchase | +216 | $3.75 | +$810 | +18.5%1.38K after | |
| May 31, 2024 (view filing) | May 29 | 2 days | Dunn James E. Jr.Director | PPurchase | +1.67K | $3.00 | +$5.00K | +9.5%19.2K after | |
| May 28, 2024 (view filing) | May 24-28 | 4 days | Pratt Ryan MichaelChief Executive Officer | PPurchase | +1.00K | $3.59 | +$3.60K | +0.1%948.7K after | 2 lots |
| May 28, 2024 (view filing) | May 23 | 5 days | Pratt Ryan MichaelChief Executive Officer | PPurchase | +59 | $4.25 | +$250.75 | +8.1%791 after | |
| May 20, 2024 (view filing) | May 20 | Same day | Pratt William JDirector | PPurchase | +200 | $4.25 | +$850 | +20.7%1.17K after | |
| Apr 1, 2024 (view filing) | Mar 28 | 4 days | Salem Investment Partners V, Limited Partnership10% Owner | PPurchase | +261.7K | – | – | +60.4%695.4K after | |
| Apr 1, 2024 (view filing) | Mar 28 | 4 days | Salem Investment Partners V, Limited Partnership10% Owner | PPurchase | +261.7K | $2.50 | +$654.3K | –261.7K after | Derivative |
| Apr 1, 2024 (view filing) | Mar 28 | 4 days | Pratt Ryan MichaelChief Executive Officer | PPurchase | +33.8K | $2.50 | +$84.6K | +3.7%947.8K after | |
| Apr 1, 2024 (view filing) | Mar 28 | 4 days | Pratt Ryan MichaelChief Executive Officer | PPurchase | +33.8K | – | – | –33.8K after | Derivative |
| Apr 1, 2024 (view filing) | Mar 28 | 4 days | Pratt William JDirector | PPurchase | +21.1K | – | – | +20.3%125.4K after | |
| Apr 1, 2024 (view filing) | Mar 28 | 4 days | Pratt William JDirector | PPurchase | +21.1K | – | – | –21.1K after | Derivative |
| Jun 1, 2023 (view filing) | May 30 | 2 days | Mason Mark AlanChief Operating Officer | PPurchase | +225 | $4.52 | +$1.02K | New position225 after | |
| May 30, 2023 (view filing) | May 25 | 5 days | Pratt Ryan MichaelChief Executive Officer | PPurchase | +43 | $4.99 | +$214.57 | New position43 after | |
| May 19, 2023 (view filing) | May 18 | 1 day | Summerell Virginia RDirector | PPurchase | +400 | $6.60 | +$2.64K | New position200 after | 2 lots |
| May 19, 2023 (view filing) | May 18 | 1 day | Pratt William JDirector | PPurchase | +300 | $6.98 | +$2.10K | +361.4%383 after | 2 lots |
| May 16, 2023 (view filing) | May 15 | 1 day | Pratt William JDirector | PPurchase | +200 | $7.75 | +$1.55K | +241.0%283 after | |
| Jan 23, 2023 (view filing) | Jan 20 | 3 days | Barkal Susan BerishDirector | PPurchase | +40.0K | $1.30 | +$52.0K | New position40.0K after | |
| Jan 23, 2023 (view filing) | Jan 20 | 3 days | Barkal Susan BerishDirector | PPurchase | +20.0K | – | – | –20.0K after | Derivative |
| Jan 4, 2023 (view filing) | Dec 30, 2022 | 5 days | Dunn James E. Jr.Director | PPurchase | +10.0K | $1.30 | +$13.0K | New position10.0K after | |
| Jan 4, 2023 (view filing) | Dec 30, 2022 | 5 days | Berg John AlenChief Financial Officer | PPurchase | +20.0K | $1.30 | +$26.0K | +13.9%163.6K after | |
| Aug 31, 2022 (view filing) | Aug 17 | 14 daysLate | Pratt William JDirector | PPurchase | +200 | $4.00 | +$800 | 0.0%600.4K after | |
| Aug 31, 2022 (view filing) | Aug 17 | 14 daysLate | Pratt William JDirector | PPurchase | +500 | $4.00 | +$2.00K | New position500 after | |
| Nov 16, 2021 (view filing) | Nov 12 | 4 days | Tompkins Mark N.Other: Former Director | PPurchaseCommon stock, par value $0.0001 per share | −250.0K | $2.00 | −$500.0K | −8.5%2.70M after |