CLEAN HARBORS INC — filings
CLH · CIK 822818
Aggregates
computed from the filings belowDocuments on record
3
Form types used
2
Filed in last 12 months
3
Median interval
51 d
between consecutive filings
Most used form
8-K
2 filings
Most recent filing
2026-09-18
Filed on a Friday
1
of the filings shown
Earliest shown
2026-07-29