5 insiders reported 11 Form 4 transactions for Guerrilla RF, Inc. (GUER) over the past 18 months (most recent 2026-09-01). Recent activity: ELLIS THOMAS B (Director) Buy 14,164 shares, HAMMER TODD B (Director) Buy 14,164 shares, Pratt Ryan Michael (Chief Executive Officer) Buy 1,477 shares, ELLIS THOMAS B (Director) Buy 15,625 shares, HAMMER TODD B (Director) Buy 15,625 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-01 | ELLIS THOMAS B | Director | Buy | 14,164 | $84,984 |
| 2026-09-01 | HAMMER TODD B | Director | Buy | 14,164 | $84,984 |
| 2026-08-28 | Pratt Ryan Michael | Chief Executive Officer | Buy | 1,477 | $2,097 |
| 2026-06-23 | ELLIS THOMAS B | Director | Buy | 15,625 | $47,656 |
| 2026-06-23 | HAMMER TODD B | Director | Buy | 15,625 | $47,656 |
| 2026-06-15 | Dunn James E. Jr. | Director | Buy | 2,462 | $3,496 |
| 2026-06-15 | Dunn James E. Jr. | Director | Buy | 2,464 | $4,756 |
| 2026-06-15 | Dunn James E. Jr. | Director | Buy | 1,229 | $2,704 |
| 2026-05-19 | Dunn James E. Jr. | Director | Buy | 3,335 | $10,005 |
| 2026-05-15 | John-Williams Michael | Chief Financial Officer | Buy | 2,000 | $5,640 |
| 2026-02-13 | Pratt Ryan Michael | Chief Executive Officer | Buy | 18,922 | $0 |
Source: SEC Form 4 filings · as of 2026-09-01