---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-23-009882"
form_type: "8-K"
ticker: "PLNH"
cik: "0001813452"
company_name: "Planet 13 Holdings Inc."
filed_at: "2023-04-11T23:59:59+00:00"
generated_at: "2026-06-17T03:43:34.900749+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Planet 13 board member and audit chair Mike Harman dies at 50; interim appointment made

## Summary
- Michael Harman passed away April 6, 2023 at age 50; served on board and as Audit Committee chair since Planet 13 went public in June 2018.
- Co-CEO Bob Groesbeck appointed to Audit Committee on an interim basis; board plans to name an independent director to fill vacant seat.
- The Company issued a press release mourning his loss and extending condolences to his family.

## SEC filing metadata
- accession: 0001437749-23-009882
- form_type: 8-K
- ticker: PLNH
- cik: 0001813452
- company_name: Planet 13 Holdings Inc.
- filed_at: 2023-04-11T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1813452/000143774923009882/0001437749-23-009882-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1813452/000143774923009882/plnhf20230410_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-23-009882
- JSON: https://secwatch.observer/filing/0001437749-23-009882.json
- Plain text: https://secwatch.observer/filing/0001437749-23-009882.txt

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