SEC Insider Transactions from Robertson Andrea.

Last updated: 2026-03-14 11:32 UTC | Total transactions: 8

Andrea Robertson sold Clean Harbors Inc. ($CLH) shares once on the open market in the last 365 days, totaling about $195 thousand, with the most recent sale on July 31, 2025. Her sales rank 8,475th among 11,678 individual insiders, below the average sale amount of $8.6 million across 6.4 transactions. She made no open market purchases during this period.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Aug. 5, 2025 CLEAN HARBORS INC $CLH Robertson Andrea Not found G Common Stock 430 $0.00 9,458.0000 54,199,000 4.35% 0.00%
July 31, 2025 CLEAN HARBORS INC $CLH Robertson Andrea Not found S Common Stock 836 $233.64 9,888.0000 54,199,000 7.80% 0.00%
May 21, 2025 CLEAN HARBORS INC $CLH Robertson Andrea Not found A Common Stock 789 $0.00 10,724.0000 54,199,000 7.94% 0.00%
Aug. 2, 2024 CLEAN HARBORS INC $CLH Robertson Andrea Not found G Common Stock 420 $0.00 9,935.0000 54,382,000 4.06% 0.00%
Aug. 1, 2024 CLEAN HARBORS INC $CLH Robertson Andrea Not found S Common Stock 1148 $238.90 10,355.0000 54,382,000 9.98% 0.00%
May 22, 2024 CLEAN HARBORS INC $CLH Robertson Andrea Not found A Common Stock 836 $0.00 11,503.0000 54,382,000 7.84% 0.00%
Aug. 8, 2023 CLEAN HARBORS INC $CLH Robertson Andrea Not found S Common Stock 1200 $169.08 10,667.0000 54,487,000 10.11% 0.00%
May 24, 2023 CLEAN HARBORS INC $CLH Robertson Andrea Not found A Common Stock 1148 $0.00 11,867.0000 54,487,000 10.71% 0.00%