Clean Harbors (CLH) Shares Repurchased (2009 - 2026)

Clean Harbors has disclosed Shares Repurchased across 17 years of filings, most recently posting $25.0 million for Q1 2026.

• Shares Repurchased for Q1 2026 came in at $25.0 million, down 54.55% year-over-year; the trailing twelve-month figure through Mar 2026 was $220.0 million (up 109.17% YoY), and the FY2025 annual result was $250.0 million, up 353.08% from the prior year.
• Shares Repurchased came in at $25.0 million for Q1 2026 at Clean Harbors, down from $133.0 million in the prior quarter.
• In the past five years, Shares Repurchased ranged from a high of $133.0 million in Q4 2025 to a low of $3.0 million in Q1 2023.
• The 5-year median for Shares Repurchased is $12.0 million (2025), against an average of $25.4 million.
• Across the five-year window, Shares Repurchased sank 86.08% in 2022 and jumped 1000.0% in 2025, its largest moves.
• Clean Harbors' Shares Repurchased stood at $6.0 million in 2022, then surged by 452.64% to $33.2 million in 2023, then slipped by 24.73% to $25.0 million in 2024, then soared by 432.79% to $133.0 million in 2025, then tumbled by 81.2% to $25.0 million in 2026.
• The last three Shares Repurchased figures came in at $25.0 million (Q1 2026), $133.0 million (Q4 2025), and $50.0 million (Q3 2025), per Business Quant data.