GUER

Guerrilla RF, Inc.

OTCTechnologySemiconductors & Related Devices

Insider activity for last month from 08/03 to 09/03. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Latest filingSep 01, 2026Most recent Form 4
Total buying$00 buys
Total selling$00 sells
Net open-market+$08 insiders
Open-market mix
Buy vs sell distribution by transaction count
0 transactions

Insider activity report

Monthly open-market purchase and sale counts
Buys Sells
530-3-5transactionsAugSep

Transaction codes

By Form 4 transaction code in selected period
13transactions
  • A · Grants / awards · dominant7 · 54%
  • M · Option exercise6 · 46%

Activity by reported role

A joint filing can contribute to multiple roles
13transactions
  • Director · dominant11 · 85%
  • Chief executive officer2 · 15%

Distinct insiders active

Reporting-owner CIKs by month · peak Aug 2026 (8)
Aug 2026Sep 2026
8distinct insiders in 2 months

Reported Holdings After

Separated by insider, security, and ownership type
Hammer Todd BStock Option · Direct
14.2k0Aug 14, 2026 · 14,164 shares owned afterAug 28, 2026 · 0 shares owned afterAug 14, 2026Aug 28, 2026
0Aug 28, 2026
Ellis Thomas BStock Option · Direct
14.2k0Aug 14, 2026 · 14,164 shares owned afterAug 28, 2026 · 0 shares owned afterAug 14, 2026Aug 28, 2026
0Aug 28, 2026
Pratt William JStock Option · Direct
14.2k14.2kAug 14, 2026 · 14,164 shares owned afterAug 14, 2026Aug 14, 2026
14,164Aug 14, 2026
Smith Gary L /nc/Stock Option · Direct
14.2k14.2kAug 14, 2026 · 14,164 shares owned afterAug 14, 2026Aug 14, 2026
14,164Aug 14, 2026
Dunn James E. Jr.Stock Option · Direct
14.2k14.2kAug 14, 2026 · 14,164 shares owned afterAug 14, 2026Aug 14, 2026
14,164Aug 14, 2026
Bell David BStock Option · Direct
14.2k14.2kAug 14, 2026 · 14,164 shares owned afterAug 14, 2026Aug 14, 2026
14,164Aug 14, 2026
Summerell Virginia RStock Option · Direct
14.2k14.2kAug 14, 2026 · 14,164 shares owned afterAug 14, 2026Aug 14, 2026
14,164Aug 14, 2026
Pratt Ryan MichaelStock Option · Indirect · Held by Spouse
00Aug 26, 2026 · 0 shares owned afterAug 26, 2026Aug 26, 2026
0Aug 26, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells red
2 active days
Aug 03Sep 03
LessMore
Top insiders
By absolute net value across the selected period
5 insiders
Recent filing activity
Most recent 11 transactions · color = transaction code

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale-
10b5-1 detected0
Amended rows0

Filing-only signals

Deterministic matches in the selected period

GUER transaction history

Filters apply within this company and selected period by default
Reset

Guerrilla RF, Inc. Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at Guerrilla RF, Inc.?

HAMMER TODD B, ELLIS THOMAS B, Pratt Ryan Michael, SUMMERELL VIRGINIA R, BELL DAVID B, Dunn James E. Jr., SMITH GARY L /NC/, PRATT WILLIAM J.

When was the latest reported open-market purchase?

No code-P purchase is available for this period.

When was the latest reported open-market sale?

No code-S sale is available for this period.

What is the recent purchase and sale balance?

No code-P purchases or code-S sales were reported in the selected period.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.