SEC Form 4 · accession 0001437749-26-029187
Guerrilla RF, Inc. · GUER
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Ryan Michael Pratt
Officer — Chief Executive Officer · Director
Period of report
Aug 26, 2026
Accepted (ET)
Aug 28, 2026 · 4:25 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001832487
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF11 | Aug 26, 2026 | M | 1,477 | $1.42 | A | 5,113 | I | Held by Spouse |
| Common Stock | holding | — | — | — | 1,017,741 | D | ||
| Common StockF1 | holding | — | — | — | 63,022 | I | By Trust | |
| Common StockF2 | holding | — | — | — | 63,022 | I | By Trust | |
| Common StockF3 | holding | — | — | — | 63,022 | I | By Trust |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock OptionF11,F6 | $1.42 | Aug 26, 2026 | M | 1,477 | D | — | Oct 26, 2026 | Common Stock | 1,477 | 0 | I |
| Stock OptionF6 | $1.93 | holding | — | — | — | — | Sep 25, 2028 | Common Stock | 640 | 640 | I |
| Stock OptionF6 | $2.20 | holding | — | — | — | — | Sep 11, 2029 | Common Stock | 1,475 | 1,475 | I |
| Stock OptionF6 | $3.19 | holding | — | — | — | — | Oct 30, 2030 | Common stock | 1,330 | 1,330 | I |
| Restricted Stock UnitF4,F7,F5 | — | holding | — | — | — | — | — | Common Stock | 11,793 | 11,793 | D |
| Warrant | $2.50 | holding | — | — | — | Sep 28, 2024 | Sep 28, 2029 | Common Stock | 33,822 | 33,822 | D |
| Stock OptionF8 | $3.05 | holding | — | — | — | — | Nov 17, 2035 | Common Stock | 50,000 | 50,000 | D |
| Stock OptionF9 | $3.05 | holding | — | — | — | — | Nov 17, 2035 | Common Stock | 330 | 330 | I |
| Stock OptionF10 | $6.00 | holding | — | — | — | — | May 15, 2036 | Common Stock | 45,000 | 45,000 | D |
Explanation of responses
- F1Shares held of record by the 2021 Irrevocable Trust for Patrick Joseph Pratt u/a dated June 7, 2021, for the benefit of Reporting Person's child. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities on this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the reported securities for purposes of Section 16 of the Exchange Act or for any other purpose.
- F10The 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.
- F11Pursuant to the exercise of stock options.
- F2Shares held of record by the 2021 Irrevocable Trust for Rachel Katherin Pratt u/a dated June 7, 2021, for the benefit of Reporting Person's child. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities on this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the reported securities for purposes of Section 16 of the Exchange Act or for any other purpose.
- F3Shares held of record by the 2021 Irrevocable Trust for Nikolas Ryan Pratt u/a dated June 7, 2021, for the benefit of Reporting Person's child. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities on this report shall not be deemed an admission that the Reporting Person is the beneficial owner of the reported securities for purposes of Section 16 of the Exchange Act or for any other purpose.
- F4Each restricted stock unit represents a contingent right to receive one share of common stock upon vesting of the unit.
- F5No expiration date.
- F6The options are fully vested and exercisable.
- F7The restricted stock units vest on 1/1/2027, subject to the Reporting Person's continued service through the applicable vesting date.
- F8The 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.
- F9The 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.