STOCK TITAN

Guerrilla RF CEO exercises 1,477 options at $1.42

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Guerrilla RF, Inc. (GUER) CEO Ryan Michael Pratt reported a cashless-style option exercise on 2026-08-26 involving 1,477 stock options held indirectly through his spouse, exercised at $1.42 per share into 1,477 shares of common stock, leaving 5,113 indirectly held common shares by spouse. He also reports direct holdings of 1,017,741 common shares, 11,793 restricted stock units that vest on 1/1/2027, and derivative positions including a warrant for 33,822 shares at $2.50 and multiple option grants covering more than 97,000 underlying shares with exercise prices between $1.93 and $6.00.

Positive

  • None.

Negative

  • None.
Insider Pratt Ryan Michael
Role Chief Executive Officer
Type Security Shares Price Value
Exercise Stock Option F11, F6 1,477 $0.00 $0.00
Exercise Common Stock F11 1,477 $1.42 $2K
holding Stock Option F6 -- -- --
holding Stock Option F6 -- -- --
holding Stock Option F6 -- -- --
holding Restricted Stock Unit F4, F7, F5 -- -- --
holding Warrant -- -- --
holding Stock Option F8 -- -- --
holding Stock Option F9 -- -- --
holding Stock Option F10 -- -- --
holding Common Stock -- -- --
holding Common Stock F1 -- -- --
holding Common Stock F2 -- -- --
holding Common Stock F3 -- -- --
Holdings After Transaction: Stock Option — 3,775 contracts (Indirect, Held by Spouse); Common Stock — 5,113 shares (Indirect, Held by Spouse); Restricted Stock Unit — 11,793 contracts (Direct); Warrant — 33,822 contracts (Direct); Stock Option — 95,000 contracts (Direct); Common Stock — 1,017,741 shares (Direct); Common Stock — 189,066 shares (Indirect, By Trust)
Footnotes (11)
  1. F1. Shares 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.
  2. F2. Shares 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.
  3. F3. Shares 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.
  4. F4. Each restricted stock unit represents a contingent right to receive one share of common stock upon vesting of the unit.
  5. F5. No expiration date.
  6. F6. The options are fully vested and exercisable.
  7. F7. The restricted stock units vest on 1/1/2027, subject to the Reporting Person's continued service through the applicable vesting date.
  8. F8. 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.
  9. F9. 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.
  10. F10. 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.
  11. F11. Pursuant to the exercise of stock options.
Options Exercised 1,477 shares of common stock Stock options held by spouse exercised on 2026-08-26
Option Exercise Price $1.42 per share Exercise price for 1,477 stock options converted into common stock
Indirect Common Shares by Spouse 5,113 shares Total common stock indirectly held by spouse after the transaction
Direct Common Shares 1,017,741 shares Common stock held directly by Ryan Michael Pratt after reported transactions
Restricted Stock Units 11,793 units RSUs settling into common stock, vesting on 1/1/2027
Warrant Position 33,822 underlying shares at $2.50 Warrant on common stock expiring 2029-09-28, held directly
Stock Option Grant 50,000 underlying shares at $3.05 Direct stock option expiring 2035-11-17 with staged vesting per footnote F8
High-Strike Stock Option Grant 45,000 underlying shares at $6.00 Direct stock option expiring 2036-05-15 with vesting per footnote F10
Restricted Stock Unit financial
"Each restricted stock unit represents a contingent right to receive"
A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.
warrant financial
"Warrant on common stock with 33,822 underlying shares at $2.50"
A warrant is a time-limited financial contract that gives its holder the right to buy a company's shares at a set price before a specified date, like a coupon that lets you purchase stock at a fixed discount for a limited time. It matters to investors because warrants offer leveraged exposure to a stock’s upside and can dilute existing shareholders if exercised, so they affect potential gains and the company’s outstanding share count.
pecuniary interest financial
"disclaims beneficial ownership of these securities except to the extent of his pecuniary interest"
Section 16 of the Exchange Act regulatory
"beneficial owner of the reported securities for purposes of Section 16 of the Exchange Act"
irrevocable trust financial
"Shares held of record by the 2021 Irrevocable Trust for"
An irrevocable trust is a legal arrangement where an owner transfers assets into a separate entity managed by a trustee and gives up the power to modify or reclaim those assets. For investors it matters because putting stock or other holdings into such a trust can change who controls and benefits from the assets, affect taxes and creditor protection, and influence how easy it is to sell or value those holdings—like placing valuables in a locked safe overseen by someone else.

FAQ

What did GUER CEO Ryan Michael Pratt do in this Form 4 filing?

He exercised 1,477 stock options held by his spouse at $1.42 per share into 1,477 common shares on 2026-08-26, resulting in 5,113 indirectly held common shares by his spouse, and updated his reported direct and derivative holdings.

How many Guerrilla RF (GUER) shares does the CEO now hold directly and indirectly?

He reports 1,017,741 common shares held directly, 5,113 common shares held indirectly by his spouse, and additional indirect common shares held by three 2021 irrevocable trusts, for which he disclaims beneficial ownership except to the extent of his pecuniary interest.

What option was exercised in the GUER Form 4, and at what price?

An indirectly held stock option for 1,477 underlying common shares was exercised at an exercise price of $1.42 per share on 2026-08-26, converting into 1,477 shares of Guerrilla RF common stock held by the reporting person’s spouse.

What restricted stock units does the GUER CEO report owning?

He reports 11,793 restricted stock units, each representing a contingent right to receive one share of common stock. According to the filing, these RSUs vest on 1/1/2027, subject to his continued service through that vesting date.

What derivative securities on GUER stock does the CEO still hold after this transaction?

He reports derivative positions including a warrant for 33,822 shares at $2.50 expiring 2029-09-28, stock options over 50,000 shares at $3.05, 45,000 shares at $6.00, and additional indirect options over 2,445 shares with exercise prices from $1.93 to $3.19.

Were the GUER CEO’s options and RSUs in this filing vested?

The filing states that the options referenced with footnote F6 are fully vested and exercisable. The 11,793 restricted stock units are not yet vested; they vest on 1/1/2027, subject to his continued service.

How are trust-held GUER shares treated in the CEO’s Form 4?

Common shares are held by three 2021 irrevocable trusts benefiting his children. The CEO disclaims beneficial ownership of those securities except to the extent of his pecuniary interest, and their inclusion is not an admission of beneficial ownership under Section 16 of the Exchange Act.

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SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Pratt Ryan Michael

(Last)(First)(Middle)
5686 GREEN DALE COURT

(Street)
SUMMERFIELD NORTH CAROLINA 27358

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Guerrilla RF, Inc. [ GUER ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
Chief Executive Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/26/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock1,017,741D
Common Stock(11)08/26/2026M1,477A$1.425,113IHeld by Spouse
Common Stock63,022IBy Trust(1)
Common Stock63,022IBy Trust(2)
Common Stock63,022IBy Trust(3)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option(11)$1.4208/26/2026M1,477 (6)10/26/2026Common Stock1,477$00IHeld by Spouse
Stock Option$1.93 (6)09/25/2028Common Stock640640IHeld by Spouse
Stock Option$2.2 (6)09/11/2029Common Stock1,4751,475IHeld by Spouse
Stock Option$3.19 (6)10/30/2030Common stock1,3301,330IHeld by Spouse
Restricted Stock Unit(4) (7) (5)Common Stock11,79311,793D
Warrant$2.509/28/202409/28/2029Common Stock33,82233,822D
Stock Option$3.05 (8)11/17/2035Common Stock50,00050,000D
Stock Option$3.05 (9)11/17/2035Common Stock330330IHeld by Spouse
Stock Option$6 (10)05/15/2036Common Stock45,00045,000D
Explanation of Responses:
1. Shares 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.
2. Shares 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.
3. Shares 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.
4. Each restricted stock unit represents a contingent right to receive one share of common stock upon vesting of the unit.
5. No expiration date.
6. The options are fully vested and exercisable.
7. The restricted stock units vest on 1/1/2027, subject to the Reporting Person's continued service through the applicable vesting date.
8. 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.
9. 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.
10. 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.
11. Pursuant to the exercise of stock options.
/s/ Charnice Suggs, Attorney-in-Fact08/28/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)