---
schema_version: "secwatch.filing_event.v1"
accession: "0000077360-25-000031"
form_type: "8-K"
ticker: "PNR"
cik: "0000077360"
company_name: "PENTAIR plc"
filed_at: "2025-06-12T23:59:59+00:00"
generated_at: "2026-05-19T11:51:09.710626+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Pentair eliminates CSO role; EVP Karla Robertson resigns effective June 10, 2025

## Summary
- Karla C. Robertson (EVP, CSO, General Counsel & Secretary) resigned on June 10, 2025, receiving severance per Pentair's Executive Officer Severance Plan.
- Pentair eliminated the Chief Sustainability Officer role; the sustainability team now reports to the Chief Technology Officer.
- Aaron Gunderson, Associate General Counsel, will serve as interim General Counsel and Secretary while a permanent replacement is sought.
- Restructuring reflects integration of sustainability into the technology and product innovation function.

## SEC filing metadata
- accession: 0000077360-25-000031
- form_type: 8-K
- ticker: PNR
- cik: 0000077360
- company_name: PENTAIR plc
- filed_at: 2025-06-12T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/77360/000007736025000031/0000077360-25-000031-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/77360/000007736025000031/pnr-20250610.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000077360-25-000031
- JSON: https://secwatch.observer/filing/0000077360-25-000031.json
- Plain text: https://secwatch.observer/filing/0000077360-25-000031.txt

## Key facts
- Executive change
  Karla C. Robertson resigned as Executive Vice President, CSO, General Counsel and Secretary at PENTAIR plc.
  - Action: resigned
  - Role: Executive Vice President, CSO, General Counsel and Secretary
  source text: on June 10, 2025, Karla C. Robertson, who held the role of Executive Vice President, CSO, General Counsel and Secretary elected to resign from Pentair
  evidence_url: https://www.sec.gov/Archives/edgar/data/77360/000007736025000031/0000077360-25-000031-index.htm
- Executive change
  Aaron Gunderson was appointed as General Counsel and Secretary at PENTAIR plc.
  - Action: appointed
  - Role: General Counsel and Secretary
  source text: Ms. Robertson’s role of General Counsel and Secretary is being filled on an interim basis by Aaron Gunderson, Associate General Counsel while Pentair makes its selection for its next General Counsel and Secretary.
  evidence_url: https://www.sec.gov/Archives/edgar/data/77360/000007736025000031/0000077360-25-000031-index.htm

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