---
schema_version: "secwatch.filing_event.v1"
accession: "0001466258-21-000194"
form_type: "8-K"
ticker: "TT"
cik: "0001466258"
company_name: "Trane Technologies plc"
filed_at: "2021-12-03T23:59:59+00:00"
generated_at: "2026-06-28T03:48:23.903545+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Trane Technologies elects CEO David Regnery as Chair; Lamach retires

## Summary
- David S. Regnery, age 59, elected Chair of the Board effective Jan 1, 2022, while continuing as CEO.
- Michael W. Lamach, Executive Chair since July 1, 2021, will retire from the Company on Dec 31, 2021.
- The leadership transition was approved by the Board on December 3, 2021.

## SEC filing metadata
- accession: 0001466258-21-000194
- form_type: 8-K
- ticker: TT
- cik: 0001466258
- company_name: Trane Technologies plc
- filed_at: 2021-12-03T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1466258/000146625821000194/0001466258-21-000194-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1466258/000146625821000194/tt-20211203.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001466258-21-000194
- JSON: https://secwatch.observer/filing/0001466258-21-000194.json
- Plain text: https://secwatch.observer/filing/0001466258-21-000194.txt

## Key facts
- Executive change
  Michael W. Lamach departed as Executive Chair at Trane Technologies plc.
  - Action: retire
  - Role: Executive Chair
  source text: Michael W. Lamach, who has served as Executive Chair since July 1, 2021, will retire from the Company on December 31, 2021.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1466258/000146625821000194/0001466258-21-000194-index.htm
- Executive change
  David S. Regnery was elected as Chair of the board at Trane Technologies plc.
  - Action: elected
  - Role: Chair of the board
  source text: On December 3, 2021, the Board of Directors of Trane Technologies plc (the “Company”) elected David S. Regnery, age 59, as Chair of the board, effective January 1, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1466258/000146625821000194/0001466258-21-000194-index.htm

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