---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-25-000639"
form_type: "8-K"
ticker: "GUER"
cik: "0001832487"
company_name: "Guerrilla RF, Inc."
filed_at: "2025-01-07T23:59:59+00:00"
generated_at: "2026-05-28T09:01:04.517586+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Guerrilla RF announces CFO retirement and appointment of Mike John-Williams

## Summary
- CFO John Berg retires effective Jan 8, 2025; succeeded by Mike John-Williams.
- John-Williams previously Head of Finance at Valmis Robotics and VP/CFO of Pandora Jewelry North America ($1.4B revenue).
- New CFO compensation: $315k base salary, up to 48% performance bonus, $75k RSUs (4-year vest), $15k signing bonus, $55k relocation.
- Berg helped grow revenue from $750k to over $15M during his tenure at Guerrilla RF.
- Company trades on OTCQX under ticker GUER.

## SEC filing metadata
- accession: 0001437749-25-000639
- form_type: 8-K
- ticker: GUER
- cik: 0001832487
- company_name: Guerrilla RF, Inc.
- filed_at: 2025-01-07T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1832487/000143774925000639/0001437749-25-000639-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1832487/000143774925000639/guer20250107_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-25-000639
- JSON: https://secwatch.observer/filing/0001437749-25-000639.json
- Plain text: https://secwatch.observer/filing/0001437749-25-000639.txt

## Key facts
- Executive change
  John Berg retired as Chief Financial Officer at Guerrilla RF, Inc..
  - Action: retired
  - Role: Chief Financial Officer
  source text: announcing the retirement of its Chief Financial Officer, John Berg, and the appointment of his successor, Mike John-Williams, effective January 8, 2025
  evidence_url: https://www.sec.gov/Archives/edgar/data/1832487/000143774925000639/0001437749-25-000639-index.htm
- Executive change
  Mike John-Williams was appointed as Chief Financial Officer at Guerrilla RF, Inc..
  - Action: appointed
  - Role: Chief Financial Officer
  source text: announcing the retirement of its Chief Financial Officer, John Berg, and the appointment of his successor, Mike John-Williams, effective January 8, 2025
  evidence_url: https://www.sec.gov/Archives/edgar/data/1832487/000143774925000639/0001437749-25-000639-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.