---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-050986"
form_type: "8-K"
ticker: "WCN"
cik: "0001318220"
company_name: "Waste Connections, Inc."
filed_at: "2025-05-20T23:59:59+00:00"
generated_at: "2026-05-20T23:44:46.540901+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Waste Connections names Derek Tan SVP & CAO, effective May 19; Black returns to Tax Officer

## Summary
- Derek Tan appointed Senior Vice President and Chief Accounting Officer, effective May 19, 2025.
- Matthew Black transitions back to his former role of Senior Vice President and Chief Tax Officer on the same date.
- Tan receives a $350,000 base salary, target annual bonus of 70% of base, and eligibility for equity awards.

## SEC filing metadata
- accession: 0001104659-25-050986
- form_type: 8-K
- ticker: WCN
- cik: 0001318220
- company_name: Waste Connections, Inc.
- filed_at: 2025-05-20T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1318220/000110465925050986/0001104659-25-050986-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1318220/000110465925050986/tm2515696d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-050986
- JSON: https://secwatch.observer/filing/0001104659-25-050986.json
- Plain text: https://secwatch.observer/filing/0001104659-25-050986.txt

## Key facts
- Executive change
  Derek Tan was named as Senior Vice President and Chief Accounting Officer at Waste Connections, Inc..
  - Action: named
  - Role: Senior Vice President and Chief Accounting Officer
  source text: On May 15, 2025, Waste Connections, Inc. (the “ Company ”) named Derek Tan as the Company’s Senior Vice President and Chief Accounting Officer, effective May 19, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1318220/000110465925050986/0001104659-25-050986-index.htm
- Executive change
  Matthew S. Black changed role as Senior Vice President and Chief Tax Officer at Waste Connections, Inc..
  - Action: transitioned
  - Role: Senior Vice President and Chief Tax Officer
  source text: Mr. Tan, age 40, assumed the role from Matthew S. Black, who transitioned on that same date to his former role of Senior Vice President and Chief Tax Officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1318220/000110465925050986/0001104659-25-050986-index.htm

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