GUER · Guerrilla RF, Inc. · Insider Trading
Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 4 and 5. Form 3 supplies initial ownership rather than a trade; Form 4 must be filed within two business days of the trade.
| Date | Insider | Role | Type | Security | Shares |
|---|---|---|---|---|---|
| 2026-08-28 | ELLIS THOMAS B |
Director, 10% Owner |
Convert↑
Filing footnotes — Common Stock (Direct)
Pursuant to the exercise of stock options. |
Common Stock
|
14,164 |
| 2026-08-28 | HAMMER TODD B |
Director, 10% Owner |
Convert↓
Filing footnotes — Stock Option (Direct)
The option is immediately exercisable, subject to a right of repurchase in favor of the Issuer with respect to shares issued to the Reporting Person upon exercise of the option prior to vesting. The option vests on the earlier of (i) the first anniversary of the grant date and (ii) the date of the Issuer's next annual meeting of stockholders (currently expected to be June 9, 2027), subject to the Reporting Person's continued service through such vesting date. |
Stock Option
|
14,164 |
| 2026-08-28 | ELLIS THOMAS B |
Director, 10% Owner |
Convert↓
Filing footnotes — Stock Option (Direct)
The option is immediately exercisable, subject to a right of repurchase in favor of the Issuer with respect to shares issued to the Reporting Person upon exercise of the option prior to vesting. The option vests on the earlier of (i) the first anniversary of the grant date and (ii) the date of the Issuer's next annual meeting of stockholders (currently expected to be June 9, 2027), subject to the Reporting Person's continued service through such vesting date. |
Stock Option
|
14,164 |
| 2026-08-28 | HAMMER TODD B |
Director, 10% Owner |
Convert↑
Filing footnotes — Common Stock (Direct)
Pursuant to the exercise of stock options. |
Common Stock
|
14,164 |
| 2026-08-26 | Pratt Ryan Michael |
Director, Chief Executive Officer |
Convert↓
Filing footnotes — Stock Option (Indirect)
Pursuant to the exercise of stock options. The options are fully vested and exercisable. |
Stock Option
(I)
|
1,477 |
| 2026-08-26 | Pratt Ryan Michael |
Director, Chief Executive Officer |
Convert↑
Filing footnotes — Common Stock (Indirect)
Pursuant to the exercise of stock options. |
Common Stock
(I)
|
1,477 |
| 2026-08-14 | BELL DAVID B |
Director |
Award↑
Filing footnotes — Stock Option (Direct)
The option is immediately exercisable, subject to a right of repurchase in favor of the Issuer with respect to shares issued to the Reporting Person upon exercise of the option prior to vesting. The option vests on the earlier of (i) the first anniversary of the grant date and (ii) the date of the Issuer's next annual meeting of stockholders (currently expected to be June 9, 2027), subject to the Reporting Person's continued service through such vesting date. |
Stock Option
|
14,164 |
| 2026-08-14 | ELLIS THOMAS B |
Director, 10% Owner |
Award↑
Filing footnotes — Stock Option (Direct)
The option is immediately exercisable, subject to a right of repurchase in favor of the Issuer with respect to shares issued to the Reporting Person upon exercise of the option prior to vesting. The option vests on the earlier of (i) the first anniversary of the grant date and (ii) the date of the Issuer's next annual meeting of stockholders (currently expected to be June 9, 2027), subject to the Reporting Person's continued service through such vesting date. |
Stock Option
|
14,164 |
| 2026-08-14 | Dunn James E. Jr. |
Director |
Award↑
Filing footnotes — Stock Option (Direct)
The option is immediately exercisable, subject to a right of repurchase in favor of the Issuer with respect to shares issued to the Reporting Person upon exercise of the option prior to vesting. The option vests on the earlier of (i) the first anniversary of the grant date and (ii) the date of the Issuer's next annual meeting of stockholders (currently expected to be June 9, 2027), subject to the Reporting Person's continued service through such vesting date. |
Stock Option
|
14,164 |
| 2026-08-14 | PRATT WILLIAM J |
Director |
Award↑
Filing footnotes — Stock Option (Direct)
The option is immediately exercisable, subject to a right of repurchase in favor of the Issuer with respect to shares issued to the Reporting Person upon exercise of the option prior to vesting. The option vests on the earlier of (i) the first anniversary of the grant date and (ii) the date of the Issuer's next annual meeting of stockholders (currently expected to be June 9, 2027), subject to the Reporting Person's continued service through such vesting date. |
Stock Option
|
14,164 |
| 2026-08-14 | HAMMER TODD B |
Director, 10% Owner |
Award↑
Filing footnotes — Stock Option (Direct)
The option is immediately exercisable, subject to a right of repurchase in favor of the Issuer with respect to shares issued to the Reporting Person upon exercise of the option prior to vesting. The option vests on the earlier of (i) the first anniversary of the grant date and (ii) the date of the Issuer's next annual meeting of stockholders (currently expected to be June 9, 2027), subject to the Reporting Person's continued service through such vesting date. |
Stock Option
|
14,164 |
| 2026-08-14 | SMITH GARY L /NC/ |
Director |
Award↑
Filing footnotes — Stock Option (Direct)
The option is immediately exercisable, subject to a right of repurchase in favor of the Issuer with respect to shares issued to the Reporting Person upon exercise of the option prior to vesting. The option vests on the earlier of (i) the first anniversary of the grant date and (ii) the date of the Issuer's next annual meeting of stockholders (currently expected to be June 9, 2027), subject to the Reporting Person's continued service through such vesting date. |
Stock Option
|
14,164 |
| 2026-08-14 | SUMMERELL VIRGINIA R |
Director |
Award↑
Filing footnotes — Stock Option (Direct)
The option is immediately exercisable, subject to a right of repurchase in favor of the Issuer with respect to shares issued to the Reporting Person upon exercise of the option prior to vesting. The option vests on the earlier of (i) the first anniversary of the grant date and (ii) the date of the Issuer's next annual meeting of stockholders (currently expected to be June 9, 2027), subject to the Reporting Person's continued service through such vesting date. |
Stock Option
|
14,164 |
| 2026-06-18 | ELLIS THOMAS B |
Director, 10% Owner |
Convert↑
Filing footnotes — Common Stock (Direct)
Pursuant to the exercise of stock options. |
Common Stock
|
15,625 |
| 2026-06-18 | HAMMER TODD B |
Director, 10% Owner |
Convert↑
Filing footnotes — Common Stock (Direct)
Pursuant to the exercise of stock options. |
Common Stock
|
15,625 |
| 2026-06-18 | ELLIS THOMAS B |
Director, 10% Owner |
Convert↓
Filing footnotes — Stock Option (Direct)
Pursuant to the exercise of stock options. |
Stock Option
|
15,625 |
| 2026-06-18 | HAMMER TODD B |
Director, 10% Owner |
Convert↓
Filing footnotes — Stock Option (Direct)
Pursuant to the exercise of stock options. |
Stock Option
|
15,625 |
| 2026-06-11 | Dunn James E. Jr. |
Director |
Convert↓
Filing footnotes — Stock Option (Direct)
Pursuant to the exercise of stock options. The shares subject to the option are fully vested and exercisable. |
Stock Option
|
2,462 |
| 2026-06-11 | Dunn James E. Jr. |
Director |
Convert↑
Filing footnotes — Common Stock (Direct)
Pursuant to the exercise of stock options. |
Common Stock
|
2,462 |
| 2026-06-11 | Dunn James E. Jr. |
Director |
Convert↑
Filing footnotes — Common Stock (Direct)
Pursuant to the exercise of stock options. |
Common Stock
|
1,229 |
| 2026-06-11 | Dunn James E. Jr. |
Director |
Convert↓
Filing footnotes — Stock Option (Direct)
Pursuant to the exercise of stock options. The shares subject to the option are fully vested and exercisable. |
Stock Option
|
2,464 |
| 2026-06-11 | Dunn James E. Jr. |
Director |
Convert↑
Filing footnotes — Common Stock (Direct)
Pursuant to the exercise of stock options. |
Common Stock
|
2,464 |
| 2026-06-11 | Dunn James E. Jr. |
Director |
Convert↓
Filing footnotes — Stock Option (Direct)
Pursuant to the exercise of stock options. The shares subject to the option are fully vested and exercisable. |
Stock Option
|
1,229 |
| 2026-05-15 | Chong Kellie Hyon-Ok |
Chief Business Officer |
Award↑
Filing footnotes — Stock Option (Direct)
The options vest as follows: (i) 5,000 options on 5/15/2027; and (ii) 1,250 options on 8/15/2027, and quarterly thereafter through 5/15/2030, in each case subject to the Reporting Person's continued service through the applicable vesting date. |
Stock Option
|
20,000 |
| 2026-05-15 | Pratt Ryan Michael |
Director, Chief Executive Officer |
Award↑
Filing footnotes — Stock Option (Direct)
The options vest as follows: (i) 11,250 options on 5/15/2027; (ii) 2,812 options on 8/15/2027, and quarterly thereafter through 2/15/2030; and (iii) 2,818 options on 5/15/2030, in each case subject to the Reporting Person's continued service through the applicable vesting date. |
Stock Option
|
45,000 |
| 2026-05-15 | John-Williams Michael |
Chief Financial Officer |
Award↑
Filing footnotes — Stock Option (Direct)
The options vest as follows: (i) 8,125 options on 5/15/2027; (ii) 2,031 options on 8/15/2027, and quarterly thereafter through 2/15/2030; and (iii) 2,034 options on5/15/2030, in each case subject to the Reporting Person's continued service through the applicable vesting date. |
Stock Option
|
32,500 |
| 2026-05-15 | PRATT WILLIAM J |
Director |
Award↑
|
Stock Option
|
15,625 |
| 2026-05-15 | ELLIS THOMAS B |
Director, 10% Owner |
Award↑
|
Stock Option
|
15,625 |
| 2026-05-15 | SMITH GARY L /NC/ |
Director |
Award↑
|
Stock Option
|
15,625 |
| 2026-05-15 | HAMMER TODD B |
Director, 10% Owner |
Award↑
|
Stock Option
|
15,625 |
| 2026-05-15 | Dunn James E. Jr. |
Director |
Award↑
|
Stock Option
|
15,625 |
| 2026-05-15 | Barkal Susan Berish |
Director |
Award↑
|
Stock Option
|
15,625 |
| 2026-05-15 | BELL DAVID B |
Director |
Award↑
|
Stock Option
|
15,625 |
| 2026-05-15 | Mason Mark Alan |
Chief Operating Officer |
Award↑
Filing footnotes — Stock Option (Direct)
The options vest as follows: (i) 6,875 options on 5/15/2027; (ii) 1,718 options on 8/15/2027, and quarterly thereafter through 2/15/2030; and (iii) 1,727 options on 5/15/2030, in each case subject to the Reporting Person's continued service through the applicable vesting date. |
Stock Option
|
27,500 |
| 2026-05-15 | SUMMERELL VIRGINIA R |
Director |
Award↑
|
Stock Option
|
15,625 |
| 2026-05-13 | John-Williams Michael |
Chief Financial Officer |
Buy↑
|
Common Stock
|
2,000 |
| 2026-05-13 | Dunn James E. Jr. |
Director |
Buy↑
Filing footnotes — Common Stock (Indirect)
Shares and warrants held of record by the James E. Dunn, Jr. Restated 1985 Revocable Trust, for the benefit of Reporting Person. |
Common Stock
(I)
|
3,335 |
| 2025-11-17 | John-Williams Michael |
Chief Financial Officer |
Award↑
Filing footnotes — Restricted Stock Unit (Direct)
Each restricted stock unit represents a contingent right to receive one share of common stock upon vesting of the unit. The restricted stock units vest as follows: (i) 6,147 units on 1/8/2026; (ii) 512 units on 2/8/2026, and monthly thereafter through 12/8/2028; and (iii) 523 units on 1/8/2029, in each case subject to the Reporting Person's continued service through the applicable vesting date. No expiration date. |
Restricted Stock Unit
|
24,590 |
| 2025-11-17 | Pratt Ryan Michael |
Director, Chief Executive Officer |
Award↑
Filing footnotes — Stock Option (Direct)
The options vest as follows: (i) 12,500 options on 5/21/2026; (ii) 1,041 options on 6/21/26, and monthly thereafter through 4/21/2029; and (iii) 1,065 options on 5/21/2029, in each case subject to the Reporting Person's continued service through the applicable vesting date. |
Stock Option
|
50,000 |
| 2025-11-17 | John-Williams Michael |
Chief Financial Officer |
Award↑
Filing footnotes — Stock Option (Direct)
The options vest as follows: (i) 11,633 options on 1/8/2026; (ii) 969 options on 2/8/2026, and monthly thereafter through 12/8/2028; and (iii) 986 options on 1/8/2029, in each case subject to the Reporting Person's continued service through the applicable vesting date. |
Stock Option
|
46,534 |
| 2025-11-17 | Mason Mark Alan |
Chief Operating Officer |
Award↑
Filing footnotes — Stock Option (Direct)
The options vest as follows: (i) 6,250 options on 5/21/2026; (ii) 520 options on 6/21/26, and monthly thereafter through 4/21/29; and (iii) 550 options on 5/21/2029, in each case subject to the Reporting Person's continued service through the applicable vesting date. |
Stock Option
|
25,000 |
| 2025-11-17 | Pratt Ryan Michael |
Director, Chief Executive Officer |
Award↑
Filing footnotes — Stock Option (Indirect)
The options vest as follows: (i) 82 options on 5/21/2026; (ii) 6 options on 6/21/26, and monthly thereafter through 4/21/29; and (iii) 38 options on 5/21/2029, in each case subject to the Reporting Person's continued service through the applicable vesting date. |
Stock Option
(I)
|
330 |
| 2025-11-17 | John-Williams Michael |
Chief Financial Officer |
Award↑
Filing footnotes — Stock Option (Direct)
15,509 of the shares subject to the option have vested, and the remaining shares vest as follows:(i) 969 options on 6/8/2026, and monthly thereafter through 12/8/2028; and (ii) 986 options on 1/8/2029, in each case subject to the Reporting Person's continued service through the applicable vesting date. |
Stock Option
|
46,534 |
| 2025-11-17 | Pratt Ryan Michael |
Director, Chief Executive Officer |
Inheritance↑
|
Common Stock
|
18,922 |
| 2025-11-17 | John-Williams Michael |
Chief Financial Officer |
Award↑
Filing footnotes — Stock Option (Direct)
15,509 of the shares subject to the option have vested, and the remaining shares vest as follows:(i) 969 options on 6/8/2026, and monthly thereafter through 12/8/2028; and (ii) 986 options on 1/8/2029, in each case subject to the Reporting Person's continued service through the applicable vesting date. |
Stock Option
|
46,534 |
| 2025-11-17 | Chong Kellie Hyon-Ok |
Chief Business Officer |
Award↑
Filing footnotes — Stock Option (Direct)
The options vest as follows: (i) 6,250 options on 5/21/2026; (ii) 520 options on 6/21/26, and monthly thereafter through 4/21/2029; and (iii) 550 options on 5/21/2029, in each case subject to the Reporting Person's continued service through the applicable vesting date. |
Stock Option
|
25,000 |
| 2024-11-26 | Dunn James E. Jr. |
Director |
Buy↑
|
Common Stock
|
9,100 |
| 2024-10-25 | ELLIS THOMAS B |
Director, 10% Owner |
Award↑
Filing footnotes — Restricted Stock Unit (Direct)
Each restricted stock unit represents a contingent right to receive one share of common stock upon vesting of the unit. The restricted stock units vest 100% on the earliest of (i) May 2, 2025, subject to the recipient's continued service as a Board member of the Company, (ii) the recipient's death, or (iii) the recipient's disability. The securities do not have any expiration date. |
Restricted Stock Unit
|
16,667 |
| 2024-10-25 | HAMMER TODD B |
Director, 10% Owner |
Award↑
Filing footnotes — Restricted Stock Unit (Direct)
Each restricted stock unit represents a contingent right to receive one share of common stock upon vesting of the unit. The restricted stock units vest 100% on the earliest of (i) May 2, 2025, subject to the recipient's continued service as a Board member of the Company, (ii) the recipient's death, or (iii) the recipient's disability. The securities do not have any expiration date. |
Restricted Stock Unit
|
16,667 |
| 2024-08-27 | PRATT WILLIAM J |
Director |
Buy↑
|
Common Stock
(I)
|
216 |