Key facts
- This page summarizes William J. Pratt's Form 4 filing for Guerrilla RF, Inc. (GUER).
- 1 reported transaction and 7 derivative rows are listed below.
- Accepted by SEC: 18 Aug 2026, 08:46.
William J. Pratt - 14 Aug 2026 Form 4 Insider Report for Guerrilla RF, Inc. (GUER)
- Reporting relationship
- Director
- Issuer ticker
- GUER
- Reported as of
- 14 Aug 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 18 Aug 2026, 08:46:43 UTC
- Prior SEC filing
- 19 May 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Charnice Suggs, Attorney-in-Fact
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
William J. Pratt filed Form 4 for Guerrilla RF, Inc. (GUER) on 18 Aug 2026.
Change
- Previous filing in this sequence was filed on 19 May 2026.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001223928
Primary reporting owner
PRATT WILLIAM J
- Relationship
- Director
- Address
- 2610 SOUTHERN GATES DR., GREENSBORO
- Signature
- /s/ Charnice Suggs, Attorney-in-Fact
- Signature date
- 18 Aug 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
GUER
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 151,789
- Date
- 14 Aug 2026
- Ownership
- Direct
GUER
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 1,000
- Date
- 14 Aug 2026
- Ownership
- Held by Spouse
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
GUER
transaction
Derivative
Stock Option
Award
- Transaction value
- Shares
- +14,164
- Change %
- Price
- $0.000000*
- Shares after
- 14,164
- Date
- 14 Aug 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 14,164
- Exercise price
- $6.00
- Footnotes
- F2
GUER
holding
Derivative
Stock Option
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 2,462
- Date
- 14 Aug 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 2,462
- Exercise price
- $1.42
- Footnotes
- F1
GUER
holding
Derivative
Stock Option
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 2,464
- Date
- 14 Aug 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 2,464
- Exercise price
- $1.93
- Footnotes
- F1
GUER
holding
Derivative
Stock Option
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 1,967
- Date
- 14 Aug 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 1,967
- Exercise price
- $2.20
- Footnotes
- F1
GUER
holding
Derivative
Stock Option
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 1,971
- Date
- 14 Aug 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 1,971
- Exercise price
- $3.19
- Footnotes
- F1
GUER
holding
Derivative
Warrant
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 21,139
- Date
- 14 Aug 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 21,139
- Exercise price
- $2.50
GUER
holding
Derivative
Stock Option
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 15,625
- Date
- 14 Aug 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 15,625
- Exercise price
- $3.05
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 2 footnotes
Footnote F1
The shares subject to the option are fully vested and exercisable.
Footnote F2
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.