Highest-materiality recent filing
Clean Harbors shareholders re-elect all Class I directors, approve say-on-pay and auditor
Four Class I directors re-elected with overwhelming support; highest vote for Shelley Stewart Jr. (48.3M for, 316K withheld).
Founder Alan S. McKim to retire as Executive Chairman and CTO of Clean Harbors
Founder, Executive Chairman & CTO Alan S. McKim retiring from Board and officer role upon appointment of new Chair, expected summer 2026.
Clean Harbors acquires Terra Nova Solutions for $225M all-cash
$225M all-cash acquisition of Terra Nova, a regional hazardous waste provider with 5 sites in the Carolinas.
Clean Harbors Q1 revenue record $1.46B; raises FY2026 EBITDA and FCF guidance
Net income $63.2M ($1.19 diluted EPS) vs $58.7M ($1.09) in Q1 2025; revenue up 2% to $1.46B.
Clean Harbors Q4 2025 Revenue $1.5B, Net Income $86.6M; Announces $350M Buyback, $130M Acquisition
Q4 2025 revenue $1.50B (+5% YoY), full-year record $6.03B (+2% YoY).
Revenue $1.55B flat YoY; net income $118.8M ($2.21 EPS vs $2.12); adj. EBITDA $320.2M (+6%), margin 20.7% (up 100 bps).
Issued $745M of 5.750% senior notes due 2033; interest payable semi-annually starting April 15, 2026.
Clean Harbors prices $745M senior notes at 5.750% due 2033 for refinancing
Offering reduced from $845M to $745M; $100M shift to new secured term loan facility.
Clean Harbors Q2 2025: Revenue $1.55B flat, Adj EBITDA record $336.2M, reaffirms FY guidance
Net income $126.9M ($2.36 EPS) vs $133.3M ($2.46 EPS) a year ago.
All five director nominees elected with >46M votes for each; broker non-votes of 2,113,318.
Clean Harbors Q1 revenue up 4% to $1.43B; EPS $1.09; reaffirms FY guidance
Revenue $1.43B (+4% YoY); net income $58.7M ($1.09 diluted EPS) vs $69.8M ($1.29) in Q1 2024.
Clean Harbors Q4 revenue up 7% to $1.43B; FY2025 adj EBITDA guide $1.15-1.21B
Q4 revenue $1.43B (+7% YoY); net income $84.0M, EPS $1.55; adj EBITDA $257.2M.
Clean Harbors Q3 revenue up 12% to $1.53B, net income +26%; revises FY2024 guidance
Net income $115.2M ($2.12 EPS) vs $91.3M ($1.68) a year ago; Adjusted EBITDA $301.8M (+18%).
Clean Harbors amends credit agreement to lower Term SOFR margin by eliminating SOFR adjustment
Entered Amendment No. 6 on Oct 8, 2024; eliminates SOFR Adjustment of 0.11448%-0.42826% per annum.
Clean Harbors elects co-CEOs Battles and Gerstenberg to Board, expands to 13 members
Board expanded from 11 to 13 directors effective August 29, 2024.
Clean Harbors Q2 revenue $1.55B (+11% YoY), EPS $2.46, raises FY2024 Adj. EBITDA guidance
Revenue $1.55B (+11% YoY), net income $133.3M (+15%), diluted EPS $2.46 vs $2.13.
Clean Harbors replaces credit facility with $600M revolving line, borrowing base tied to receivables
New $600M revolving facility replaces prior credit agreement; no loans outstanding but $136.4M in letters of credit carried over.
Clean Harbors shareholders approve ESPP, reelect directors at 2024 annual meeting
ESPP approved: 500K shares reserved, employees buy at 10% discount (90% of lower of start/end FMV).
Clean Harbors Q1 revenue up 5% to $1.38B, Adj. EBITDA record $230M, raises FY2024 guidance
Revenue $1.38B (+5% YoY); net income $69.8M ($1.29 EPS); adjusted EPS $1.29.
Clean Harbors completes HEPACO acquisition for $400M; issues $500M term loan
Acquired HEPACO from Gryphon Investors for $400M cash; HEPACO had $270M revenue and $36M adj. EBITDA in 2023.
Clean Harbors Q4 revenue $1.34B (+5%), adj. EBITDA $255M (+14%); FY24 EBITDA guidance $1.05-1.11B
Q4 net income $98.3M ($1.81 EPS); adjusted EPS $1.82; full-year net income $377.9M ($6.95 EPS), adjusted EPS $6.99.
Clean Harbors to acquire HEPACO for $400M cash; expects $20M cost synergies
Acquisition of HEPACO, a specialized environmental and emergency response services provider in Eastern U.S.
Clean Harbors reduces interest rate margin on term loans by 25 bps via Fourth Amendment
Entered Fourth Amendment to Credit Agreement on Dec 27, 2023, reducing margin on 2021 Incremental Term Loans by 25 bps.
Clean Harbors expands share repurchase program by $500M
Board authorized $500M expansion; $54M remained in existing program as of Dec 1, 2023.
Clean Harbors Q3 net income $91.3M ($1.68 EPS) drops 33% YoY; cuts FY23 Adj. EBITDA guidance
Q3 revenue $1.37B (flat YoY); net income $91.3M vs $135.8M; GAAP EPS $1.68 vs $2.50.
Clean Harbors Q2 EPS $2.13 as ES growth offsets SKSS weakness; reiterates FY guidance
Revenue $1.40B (+3% YoY); GAAP net income $115.8M ($2.13) vs $148.2M ($2.71) last year.
Edward G. Galante, Alison A. Quirk, Shelley Stewart Jr., and John R. Welch elected as Class I directors for three-year terms.
Clean Harbors Q1 revenue up 12% to $1.31B; raises FY23 adjusted EBITDA guidance to $1.02-1.06B
Q1 net income $72.4M ($1.33 EPS) vs $45.3M ($0.83); adjusted EPS $1.36.
Organic growth model targets 2027 Adj EBITDA ~$1.4B and Adj FCF ~$600M.
Clean Harbors appoints former MA Lt. Gov. Karyn Polito to Board; two directors to retire
Karyn Polito appointed to Board effective March 16, 2023, expanding Board to 13 members.
Clean Harbors Q4 revenue up 14% to $1.28B; full-year Adj. EBITDA tops $1B for first time
Q4 revenue $1.28B (+14% YoY); net income $82.5M ($1.52 EPS); adjusted EPS $1.44.
Eric Dugas, current CAO, named EVP and CFO effective March 31, 2023; base salary $425,000.
Clean Harbors issues $500M of 6.375% senior notes due 2031 to refinance term loans
Issued $500M aggregate principal of 6.375% senior notes due 2031; net proceeds ~$493M.
Clean Harbors prices $500M 6.375% senior notes due 2031 to repay $614M term loans
Issued $500M aggregate principal of 6.375% senior notes due 2031 at 100% of par.
Clean Harbors launches $500M senior notes offering to refinance 2024 term loans
$500M of unsecured senior notes due 2031 in private offering.
Net income $135.8M ($2.50 EPS); adj EPS $2.43.
Founder Alan McKim steps down as CEO after 42 years; becomes Executive Chairman & CTO effective March 31, 2023.
Clean Harbors appoints Alison Quirk and Shelley Stewart Jr. to board; expands to 12 members
Alison Quirk, former EVP Chief HR and Citizenship Officer at State Street, appointed effective Aug 31, 2022.
Clean Harbors reports record Q2: Rev $1.36B, adj EPS $2.44, raises FY guidance
Q2 revenue $1.36B (+46% YoY); GAAP EPS $2.71; adjusted EPS $2.44.
Clean Harbors annual meeting: all director nominees elected, say-on-pay and auditor ratified
Andrea Robertson, Lauren C. States, Robert J. Willett elected Class III directors with >43.4M votes each.
Clean Harbors Q1 revenue $1.17B (+45% YoY), raises 2022 adjusted EBITDA guidance to $800-830M
Q1 revenue $1.17B (+45% YoY); net income $45.3M ($0.83 EPS); adjusted EBITDA $180.3M (+39%, margin 15.4%).
Clean Harbors removes exclusive forum by-law after shareholder vote against ratification
Board deleted Article VIII (Exclusive Forum By-Law) from By-Laws effective March 16, 2022.
Clean Harbors Q4 revenue $1.12B, Adjusted EBITDA up 23%; guides FY22 EBITDA $765-795M
Q4 revenues $1.12B (+41% YoY), net income $49M, EPS $0.90 (adjusted $0.89).
Clean Harbors Q3 revenue up 22% to $951.5M, EPS $1.20, raises FY guidance
Q3 revenue $951.5M (+22% YoY); net income $65.4M ($1.20 EPS), adjusted EPS $1.14.
Clean Harbors completes HydroChemPSC acquisition for $1.25B; funds with $1.0B term loan
Acquired HydroChemPSC from Littlejohn & Co. affiliate for approximately $1.25 billion in all-cash, subject to customary adjustments.
Clean Harbors appoints Marcy Reed to Board of Directors; expands board to 10
Marcy Reed, former National Grid Massachusetts President and EVP, appointed to Clean Harbors Board effective Sept 8, 2021.
Clean Harbors Q2 adj EBITDA $187.8M (+36%); raises FY21 outlook; plans $1.25B buy
Q2 revenue $926.5M (+30% YoY); net income $67.1M ($1.22 EPS); adj EPS $1.19.
Clean Harbors to acquire HydroChemPSC for $1.25B in cash
All-cash purchase price of $1.25 billion, subject to customary adjustments.
On May 19, 2026, Alan S. McKim, serving in the capacities of Executive Chairman of the Board of Directors (the “Board”) and Chief Technology Officer, notified the Board of his intention to retire from the Board and his role as Chief Technology Officer, effective upon the Board’s appointment of a new Chairman.
On September 3, 2024, Clean Harbors, Inc. (the “Company”) announced the expansion of the Company’s Board of Directors (the "Board") from eleven to thirteen members and the election of Co-Chief Executive Officers Michael Battles and Eric Gerstenberg to the Board, all effective immediately following the Company's board meeting on August 29, 2024.
On September 3, 2024, Clean Harbors, Inc. (the “Company”) announced the expansion of the Company’s Board of Directors (the "Board") from eleven to thirteen members and the election of Co-Chief Executive Officers Michael Battles and Eric Gerstenberg to the Board, all effective immediately following the Company's board meeting on August 29, 2024.
On March 16, 2023, Clean Harbors, Inc. (the “Company”) announced the expansion of the Company’s Board of Directors (the "Board") from 12 to 13 members and the appointment of Karyn Polito to the Board effective as of March 16, 2023.
Brian Weber has been promoted to EVP and President, Safety-Kleen Sustainability Solutions effective April 1, 2023.
Eric J. Dugas, currently the Company's Senior Vice President, Finance and Chief Accounting Officer has been appointed Executive Vice President ("EVP") and Chief Financial Officer effective March 31, 2023.
Mr. Battles and Mr. Gerstenberg will, effective on March 31, 2023 (the “Effective Date”), be promoted to the Company’s Co-Chief Executive Officers and Co-Presidents
Mr. McKim will become the Company’s Executive Chairman of the Board and Chief Technology Officer.
Mr. Battles and Mr. Gerstenberg will, effective on March 31, 2023 (the “Effective Date”), be promoted to the Company’s Co-Chief Executive Officers and Co-Presidents
On September 6, 2022, Clean Harbors, Inc. (the “Company”) announced the expansion of the Company’s Board of Directors (the "Board") from ten to twelve members and the appointments of Alison Quirk and Shelley Stewart Jr. to the Board, all effective as of August 31, 2022.
On September 6, 2022, Clean Harbors, Inc. (the “Company”) announced the expansion of the Company’s Board of Directors (the "Board") from ten to twelve members and the appointments of Alison Quirk and Shelley Stewart Jr. to the Board, all effective as of August 31, 2022.
On September 8, 2021, Clean Harbors, Inc. (the “Company”) announced the expansion of the Company’s Board of Directors (the "Board") from nine to ten, and the appointment of Marcy Reed to the Board, each effective as of September 8, 2021.
Max materiality 0.90 · Median 0.71 · Most common event earnings