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BCS

Changes in Beneficial Ownership · 4

GUERRILLA RF INC

GUEROTCEQUITYCurrent

Changes in Beneficial Ownership

Filed Sep 1, 2026Accepted Sep 1, 2026, 4:46 PM EDTFiling CIK 1832487Accession 0001437749-26-029431
Share

Structured filing — 4

rdgdoc.xml

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Filing details

Report period
2026-08-28
Issuer
Guerrilla RF, Inc.
Issuer CIK
0001832487
Trading symbol
GUER

Reporting owner 1

Name
ELLIS THOMAS B
Reporting owner CIK
0001283774
Relationship
Director · 10% owner
Address
867 BOYLSTON STREET, 5TH FLOOR #1361, BOSTON, MA, 02116

Non-derivative transactions

Non-derivative transactions · 1 reported row
SecurityTransaction dateCodeAmountA / DPrice (USD)Owned afterOwnership
Common Stock[F5]2026-08-28M · Form 414,164A646,456D
Table key
M · Form 4
Exempt derivative exercise or conversion under Rule 16b-3
A
Acquired
D
Direct

Derivative transactions

Derivative transactions · 1 reported row
SecurityConversion / exercise price (USD)Transaction dateCodeAmountA / DPrice (USD)ExercisableExpiresUnderlying securityUnderlying sharesOwned afterOwnership
Stock Option[F4]62026-08-28M · Form 414,164D0[F4]2036-08-14Common Stock14,1640D
Table key
M · Form 4
Exempt derivative exercise or conversion under Rule 16b-3
D
Direct

Derivative holdings

Derivative holdings · 2 reported rows
SecurityConversion / exercise price (USD)ExercisableExpiresUnderlying securityUnderlying sharesAmount ownedOwnershipNature of ownership
Series A Convertible Preferred Stock327.87002024-08-05[F1]Common Stock7,213,1157,213,115I[F2]See Footnotes.[F2][F3]
Common Stock Purchase Warrants3.05002024-08-052030-02-05Common Stock2,885,2462,885,246I[F2]See Footnotes.[F2][F3]
Table key
I
Indirect

Footnotes

F1
The securities do not have any expiration date.↩ 1
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.↩ 1↩ 2↩ 3↩ 4
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.↩ 1↩ 2
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.↩ 1↩ 2
F5
Pursuant to the exercise of stock options.↩ 1

Signature 1

Signed
/s/ Charnice Suggs, Attorney-in-Fact
Date
2026-09-01

Company context

Current securities

Historical securities (3)

Recent company filings

  1. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory ArrangementsNov 3, 2026
  2. 10-Q filingNov 2, 2026
  3. Results of Operations and Financial ConditionNov 2, 2026
  4. 4 filingSep 1, 2026
  5. 4 filingAug 28, 2026

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