STOCK TITAN

Guerrilla RF (GUER) awards Ellis 14K options at $6, expiring 2036

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Guerrilla RF, Inc. (GUER) director and 10% owner Thomas B. Ellis reported an award of 14,164 stock options with a $6.00 exercise price, expiring August 14, 2036. The option is immediately exercisable but subject to the issuer’s repurchase right until it vests on the earlier of the first anniversary of grant or the next annual stockholders’ meeting, currently expected June 9, 2027. Ellis also reports indirect interests in Series A Convertible Preferred Stock convertible into 7,213,115 common shares and warrants for 2,885,246 common shares, held through NR-PRL entities, for which he disclaims beneficial ownership beyond his pecuniary interest, plus direct ownership of 32,292 common shares.

Positive

  • None.

Negative

  • None.
Insider ELLIS THOMAS B
Role Director, 10% Owner
Type Security Shares Price Value
Grant/Award Stock Option F4 14,164 $0.00 $0.00
holding Series A Convertible Preferred Stock F1, F2, F3 -- -- --
holding Common Stock Purchase Warrants F2, F3 -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Stock Option — 14,164 shares (Direct); Series A Convertible Preferred Stock — 7,213,115 shares (Indirect, See Footnotes.); Common Stock Purchase Warrants — 2,885,246 shares (Indirect, See Footnotes.); Common Stock — 32,292 shares (Direct)
Footnotes (4)
  1. F1. The securities do not have any expiration date.
  2. F2. The reported securities are directly held by NR-PRL Partners, LP, and may be deemed to be indirectly beneficially owned by NR-PRL Partners GP, LLC as the general partner of NR-PRL Partners, LP. The securities may also be deemed to be indirectly beneficially owned by the Reporting Person as a member of NR-PRL Partners GP, LLC.
  3. F3. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission of beneficial ownership of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
  4. F4. 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 options granted 14,164 shares Stock Option grant to Ellis on 2026-08-14
Option exercise price $6.00 per share Exercise price of newly granted Stock Option
Option expiration 2036-08-14 Expiration date of the 14,164-share Stock Option
Direct common stock held 32,292 shares Direct GUER common stock ownership after reported transactions
Preferred underlying common shares 7,213,115 shares Common shares underlying Series A Convertible Preferred Stock, held indirectly
Preferred conversion price $327.87 per share Conversion price for Series A Convertible Preferred Stock into GUER common
Warrant underlying common shares 2,885,246 shares Common shares underlying Common Stock Purchase Warrants, held indirectly
Warrant exercise price $3.05 per share Exercise price for Common Stock Purchase Warrants
Stock Option financial
"The option is immediately exercisable, subject to a right of repurchase"
A stock option is a contract that gives you the right to buy or sell a company's stock at a specific price within a certain time frame. People use them to potentially make money if the stock's price moves favorably or to protect against losses. It's like holding a coupon that can be used to buy or sell stock at a set price later on.
Series A Convertible Preferred Stock financial
"The reported securities are directly held by NR-PRL Partners, LP"
Series A convertible preferred stock is a class of shares sold in an early funding round that gives investors a mix of protection and upside: it pays a priority claim over common shares if the company is sold or closes, but can be converted into ordinary shares to share in future growth. Think of it like a hybrid between a safer stake and a ticket to ownership; it matters to investors because it affects who controls the company, how future gains are split, and how much their investment is protected from downside.
Common Stock Purchase Warrants financial
"Common Stock Purchase Warrants underlying_security_shares 2885246.0000"
Common stock purchase warrants are tradable instruments that give the holder the right to buy a company’s common shares at a set price before a specified date, like a coupon that lets you purchase stock later at a fixed rate. They matter to investors because they offer a way to gain future upside if the stock rises, but when exercised they increase the number of shares outstanding and can reduce existing shareholders’ ownership and earnings per share.
right of repurchase financial
"subject to a right of repurchase in favor of the Issuer"
pecuniary interest financial
"disclaims beneficial ownership of these securities except to the extent of his pecuniary interest"

FAQ

What did Thomas B. Ellis report in his latest Form 4 for GUER?

Thomas B. Ellis reported receiving a grant of 14,164 stock options for Guerrilla RF, Inc. common stock at an exercise price of $6.00 per share, along with updated disclosures of his direct and indirect equity and derivative holdings in the company.

What are the terms of the new stock options reported for GUER?

Ellis received 14,164 stock options with a $6.00 exercise price, expiring on August 14, 2036. They are immediately exercisable but subject to an issuer repurchase right until vesting, which occurs on the earlier of the first grant anniversary or GUER’s next annual stockholders’ meeting.

When are the newly granted GUER options expected to vest?

The options will vest on the earlier of one year from the grant date or the date of Guerrilla RF’s next annual stockholders’ meeting, currently expected to be June 9, 2027, subject to Ellis’s continued service through that vesting date.

What indirect derivative holdings in GUER does Ellis report?

Ellis reports indirect interests in Series A Convertible Preferred Stock convertible into 7,213,115 GUER common shares at $327.87 per share and warrants for 2,885,246 common shares at $3.05 per share, held through NR-PRL entities, with a pecuniary-interest-only beneficial ownership disclaimer.

How many GUER common shares does Thomas B. Ellis hold directly?

Ellis reports direct ownership of 32,292 shares of Guerrilla RF, Inc. common stock. This direct holding is in addition to his newly granted option for 14,164 shares and his reported indirect interests in preferred stock and warrants held through affiliated entities.

What is the expiration date of Ellis’s GUER warrants and preferred stock?

The Common Stock Purchase Warrants for 2,885,246 GUER shares expire on February 5, 2030. The Series A Convertible Preferred Stock convertible into 7,213,115 common shares has no expiration date, as explicitly stated in the filing footnotes.

AI-generated analysis. How Rhea-AI works. Not financial advice.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
Learn about SEC filing dates
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*
ELLIS THOMAS B

(Last)(First)(Middle)
867 BOYLSTON STREET
5TH FLOOR #1361

(Street)
BOSTON MASSACHUSETTS 02116

(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)
XDirectorX10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/14/2026
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 Stock32,292D
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
Series A Convertible Preferred Stock$327.8708/05/2024 (1)Common Stock7,213,1157,213,115I(2)See Footnotes.(2)(3)
Common Stock Purchase Warrants$3.0508/05/202402/05/2030Common Stock2,885,2462,885,246I(2)See Footnotes.(2)(3)
Stock Option$608/14/2026A14,164 (4)08/14/2036Common Stock14,164$014,164D
Explanation of Responses:
1. The securities do not have any expiration date.
2. The reported securities are directly held by NR-PRL Partners, LP, and may be deemed to be indirectly beneficially owned by NR-PRL Partners GP, LLC as the general partner of NR-PRL Partners, LP. The securities may also be deemed to be indirectly beneficially owned by the Reporting Person as a member of NR-PRL Partners GP, LLC.
3. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission of beneficial ownership of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
4. 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.
/s/ Charnice Suggs, Attorney-in-Fact08/18/2026
** 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)