SEC Form 4 · accession 0001437749-26-028259
Guerrilla RF, Inc. · GUER
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
William J Pratt
Director
Period of report
Aug 14, 2026
Accepted (ET)
Aug 18, 2026 · 8:46 am 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 Stock | holding | — | — | — | 151,789 | D | ||
| Common Stock | holding | — | — | — | 1,000 | I | Held by Spouse |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock OptionF2 | $6.00 | Aug 14, 2026 | A | 14,164 | A | — | Aug 14, 2036 | Common Stock | 14,164 | 14,164 | D |
| Stock OptionF1 | $1.42 | holding | — | — | — | — | Oct 26, 2026 | Common Stock | 2,462 | 2,462 | D |
| Stock OptionF1 | $1.93 | holding | — | — | — | — | Sep 25, 2028 | Common Stock | 2,464 | 2,464 | D |
| Stock OptionF1 | $2.20 | holding | — | — | — | — | Sep 11, 2029 | Common Stock | 1,967 | 1,967 | D |
| Stock OptionF1 | $3.19 | holding | — | — | — | — | Oct 30, 2030 | Common Stock | 1,971 | 1,971 | D |
| Warrant | $2.50 | holding | — | — | — | Sep 28, 2024 | Sep 28, 2029 | Common Stock | 21,139 | 21,139 | D |
| Stock Option | $3.05 | holding | — | — | — | May 15, 2026 | May 15, 2036 | Common Stock | 15,625 | 15,625 | D |
Explanation of responses
- F1The shares subject to the option are fully vested and exercisable.
- F2The 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.