---
schema_version: "secwatch.filing_event.v1"
accession: "0000066740-26-000229"
form_type: "8-K"
ticker: "MMM"
cik: "0000066740"
company_name: "3M CO"
filed_at: "2026-06-08T15:02:11+00:00"
generated_at: "2026-06-08T15:03:14.771507+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# 3M Board adds Cummins CEO Jennifer Rumsey as independent director

## Summary
- Elected to 3M's Board effective June 5, 2026, and appointed to the Science, Technology and Sustainability Committee.
- Rumsey is Chair and CEO of Cummins Inc., a global power solutions leader, since August 2023.
- Board determined her independent under NYSE standards; no related person transactions disclosed.
- Will participate in standard non-employee director compensation program as outlined in 2026 proxy.

## SEC filing metadata
- accession: 0000066740-26-000229
- form_type: 8-K
- ticker: MMM
- cik: 0000066740
- company_name: 3M CO
- filed_at: 2026-06-08T15:02:11+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/66740/000006674026000229/0000066740-26-000229-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/66740/000006674026000229/mmm-20260605.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000066740-26-000229
- JSON: https://secwatch.observer/filing/0000066740-26-000229.json
- Plain text: https://secwatch.observer/filing/0000066740-26-000229.txt

## Key facts
- Executive change
  Jennifer W. Rumsey was elected as Director at 3M CO.
  - Action: elected
  - Role: Director
  source text: On June 5, 2026, the 3M Company (“3M”) Board of Directors (“Board”) elected Jennifer W. Rumsey to 3M’s Board and appointed Ms. Rumsey to the Science, Technology and Sustainability Committee of the Board, each effective June 5, 2026.
  evidence_url: https://www.sec.gov/Archives/edgar/data/66740/000006674026000229/0000066740-26-000229-index.htm

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