Robertson Andrea (CIK 1295248) reported 5 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-22). Recent activity: Buy CLH (652 shares), Sell CLH (342 shares), Sell CLH (430 shares), Sell CLH (836 shares), Buy CLH (789 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-22 | CLEAN HARBORS INC (CLH) | Director | Buy | 652 | $0 |
| 2026-05-12 | CLEAN HARBORS INC (CLH) | Director | Sell | 342 | $0 |
| 2025-08-06 | CLEAN HARBORS INC (CLH) | Director | Sell | 430 | $0 |
| 2025-08-04 | CLEAN HARBORS INC (CLH) | Director | Sell | 836 | $195,323 |
| 2025-05-23 | CLEAN HARBORS INC (CLH) | Director | Buy | 789 | $0 |
Source: SEC Form 4 filings · as of 2026-05-22