Guerrilla RF, Inc. (GUER) Insider Trading
Directors, officers and holders of more than 10% of GUER report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 49 most recent of 49 transactions on file: 3 with code P, 0 with code S and 46 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 28, 2026 | ELLIS THOMAS B | Director | M Exercise | 14,164 | $6.00 | $84,984 |
| Aug 28, 2026 | HAMMER TODD B | Director | M Exercise | 14,164 | Not measured | Not measured |
| Aug 28, 2026 | ELLIS THOMAS B | Director | M Exercise | 14,164 | Not measured | Not measured |
| Aug 28, 2026 | HAMMER TODD B | Director | M Exercise | 14,164 | $6.00 | $84,984 |
| Aug 26, 2026 | Pratt Ryan Michael | Chief Executive Officer | M Exercise | 1,477 | $1.42 | $2,097 |
| Aug 26, 2026 | Pratt Ryan Michael | Chief Executive Officer | M Exercise | 1,477 | Not measured | Not measured |
| Aug 14, 2026 | Dunn James E. Jr. | Director | A Award | 14,164 | Not measured | Not measured |
| Aug 14, 2026 | SUMMERELL VIRGINIA R | Director | A Award | 14,164 | Not measured | Not measured |
| Aug 14, 2026 | BELL DAVID B | Director | A Award | 14,164 | Not measured | Not measured |
| Aug 14, 2026 | PRATT WILLIAM J | Director | A Award | 14,164 | Not measured | Not measured |
| Aug 14, 2026 | HAMMER TODD B | Director | A Award | 14,164 | Not measured | Not measured |
| Aug 14, 2026 | ELLIS THOMAS B | Director | A Award | 14,164 | Not measured | Not measured |
| Aug 14, 2026 | SMITH GARY L /NC/ | Director | A Award | 14,164 | Not measured | Not measured |
| Jun 18, 2026 | HAMMER TODD B | Director | M Exercise | 15,625 | $3.05 | $47,656 |
| Jun 18, 2026 | ELLIS THOMAS B | Director | M Exercise | 15,625 | $3.05 | $47,656 |
| Jun 18, 2026 | HAMMER TODD B | Director | M Exercise | 15,625 | Not measured | Not measured |
| Jun 18, 2026 | ELLIS THOMAS B | Director | M Exercise | 15,625 | Not measured | Not measured |
| Jun 11, 2026 | Dunn James E. Jr. | Director | M Exercise | 1,229 | Not measured | Not measured |
| Jun 11, 2026 | Dunn James E. Jr. | Director | M Exercise | 1,229 | $2.20 | $2,704 |
| Jun 11, 2026 | Dunn James E. Jr. | Director | M Exercise | 2,462 | Not measured | Not measured |
| Jun 11, 2026 | Dunn James E. Jr. | Director | M Exercise | 2,464 | $1.93 | $4,756 |
| Jun 11, 2026 | Dunn James E. Jr. | Director | M Exercise | 2,464 | Not measured | Not measured |
| Jun 11, 2026 | Dunn James E. Jr. | Director | M Exercise | 2,462 | $1.42 | $3,496 |
| May 15, 2026 | Chong Kellie Hyon-Ok | Chief Business Officer | A Award | 20,000 | Not measured | Not measured |
| May 15, 2026 | BELL DAVID B | Director | A Award | 15,625 | Not measured | Not measured |
| May 15, 2026 | HAMMER TODD B | Director | A Award | 15,625 | Not measured | Not measured |
| May 15, 2026 | ELLIS THOMAS B | Director | A Award | 15,625 | Not measured | Not measured |
| May 15, 2026 | Barkal Susan Berish | Director | A Award | 15,625 | Not measured | Not measured |
| May 15, 2026 | SUMMERELL VIRGINIA R | Director | A Award | 15,625 | Not measured | Not measured |
| May 15, 2026 | SMITH GARY L /NC/ | Director | A Award | 15,625 | Not measured | Not measured |
| May 15, 2026 | PRATT WILLIAM J | Director | A Award | 15,625 | Not measured | Not measured |
| May 15, 2026 | Dunn James E. Jr. | Director | A Award | 15,625 | Not measured | Not measured |
| May 15, 2026 | Pratt Ryan Michael | Chief Executive Officer | A Award | 45,000 | Not measured | Not measured |
| May 15, 2026 | Mason Mark Alan | Chief Operating Officer | A Award | 27,500 | Not measured | Not measured |
| May 15, 2026 | John-Williams Michael | Chief Financial Officer | A Award | 32,500 | Not measured | Not measured |
| May 13, 2026 | John-Williams Michael | Chief Financial Officer | P Purchase | 2,000 | $2.82 | $5,640 |
| May 13, 2026 | Dunn James E. Jr. | Director | P Purchase | 3,335 | $3.00 | $10,005 |
| Nov 17, 2025 | Pratt Ryan Michael | Chief Executive Officer | A Award | 330 | Not measured | Not measured |
| Nov 17, 2025 | Pratt Ryan Michael | Chief Executive Officer | A Award | 50,000 | Not measured | Not measured |
| Nov 17, 2025 | Pratt Ryan Michael | Chief Executive Officer | W Will/Inheritance | 18,922 | Not measured | Not measured |
| Nov 17, 2025 | Chong Kellie Hyon-Ok | Chief Business Officer | A Award | 25,000 | Not measured | Not measured |
| Nov 17, 2025 | John-Williams Michael | Chief Financial Officer | A Award | 46,534 | Not measured | Not measured |
| Nov 17, 2025 | John-Williams Michael | Chief Financial Officer | A Award | 24,590 | Not measured | Not measured |
| Nov 17, 2025 | John-Williams Michael | Chief Financial Officer | A Award | 46,534 | Not measured | Not measured |
| Nov 17, 2025 | John-Williams Michael | Chief Financial Officer | A Award | 46,534 | Not measured | Not measured |
| Nov 17, 2025 | Mason Mark Alan | Chief Operating Officer | A Award | 25,000 | Not measured | Not measured |
| Nov 26, 2024 | Dunn James E. Jr. | Director | P Purchase | 9,100 | $1.10 | $9,990 |
| Oct 25, 2024 | HAMMER TODD B | Director | A Award | 16,667 | Not measured | Not measured |
| Oct 25, 2024 | ELLIS THOMAS B | Director | A Award | 16,667 | Not measured | Not measured |
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.