Waste & Environmental Stocks
Recent market-moving SEC filings and news across waste & environmental companies, ranked by Wiseek's 1–10 importance score.
How Wiseek curates this list
Every item here is a high-importance (score ≥ 7) SEC filing or licensed news event for a waste & environmental company, sourced from SEC EDGAR and licensed news wires and ranked by Wiseek's 1–10 importance score. The underlying source is linked from each article. See our methodology and editorial policy.
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RAIN Faces Nasdaq Delisting After Missing MVLS Compliance Deadline
CEO Randy Seidl Buys $104K of RAIN Stock at $0.95
ClearSign Reports 321% Revenue Growth and $9.9M Cash Position in Q2 2026
ClearSign Q2 Revenue Misses Estimates, Loss Narrows; Board Adds Exxon Veteran
Veralto to Acquire Cleanwater1, Expanding Water Treatment Portfolio
374Water Q2 Revenue Jumps 280% to $2.26M, Gross Margin Hits 87%
Q2 2026 Revenue Jumps 45% YoY, Net Loss Narrows, But Going Concern Remains; Nasdaq Compliance Regained
374Water Q2 Net Loss Narrows to $2.7M as Gross Margin Turns Positive
Energys Group Approves 16.7x Increase in Authorized Shares, Enabling Massive Future Dilution
Waste Energy Q2 10-Q: Cash Drops to $26K, Toxic Debt Conversions Accelerate, CFO Resigns
374Water Seeks Shareholder Approval to Slash Authorized Shares 92.5% and Fix Exculpation Clause
Rain Enhancement Technologies Reports Q2 Loss, $2.3M ATM Sales, and Turkey Deal
374Water's Q2 10-Q Flags Going Concern, $1.02M Debt Extinguishment Loss, and Material Weakness
TOMI Q2 Revenue Jumps 118% but Going Concern and Nasdaq Delisting Risks Persist
ClearSign Q2 Revenue Jumps 321% but Warranty Accrual Drives Gross Loss
TOMI Environmental Posts Q2 Results After Reverse Split and Merger Deal
LanzaTech Q2: $208M SGLT Gain Masks Operating Loss; Material Weaknesses Persist
LanzaTech Q2: $184M Net Income on SGLT Gain, Reintroduces FY26 Guidance
Perma-Fix Q2 Loss Widens, But Hanford Subcontract and DFLAW Receipts Mark Inflection
Janus Living Closes Upsized Follow-On Offering: 18.4M Shares at $29.00
Clean Harbors to Acquire EnviroServe for $470M in Cash
Perma-Fix Wins Share of $4.37B Hanford Nuclear-Waste Contract, Stock Hits One-Year High
Clean Harbors to Acquire EnviroServe for $470M, Expanding Environmental Services
LiqTech Projects FY26 Revenue of $20M-$23M, Signaling Growth
LiqTech Q2 Loss Widens, But Cash Infusion Removes Going Concern Warning
Janus Living prices a $464M follow-on offering at $29.00 per share, a 4% discount to the last close
Enviri Swings to $10.70 Q2 Loss on Rail Contract Exits, Reaffirms 2026 Outlook
374Water Q2 Revenue Triples to $2.2M on Contract Milestones
Enviri Posts $14.21 Q2 Loss Per Share, Deepening Post-Spin Red Ink
CECO Posts $34.8M Loss, Captures $13M in Synergies 60 Days Post-Thermon Deal
Janus Living Launches $463M Stock Offering, Diluting Shares Two Months After $625M Raise
Arq Q2 Revenue Climbs 5%, Adjusted EBITDA Soars 59%; 2026 Guidance Reaffirmed
Arq narrows Q2 loss but pauses GAC production through 2027 amid design flaws
Record Q2 orders at CECO Environmental are overshadowed by lingering material weaknesses