Cook Gregory B (CIK 1989181) reported 10 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-11). Recent activity: Sell ECL (4,567 shares), Buy ECL (8,396 shares), Sell ECL (3,829 shares), Buy ECL (3,800 shares), Sell ECL (3,519 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-11 | ECOLAB INC. (ECL) | Co-COO - Global Businesses | Sell | 4,567 | $1.3M |
| 2026-05-06 | ECOLAB INC. (ECL) | Co-COO - Global Businesses | Buy | 8,396 | $0 |
| 2026-05-06 | ECOLAB INC. (ECL) | Co-COO - Global Businesses | Sell | 3,829 | $987,485 |
| 2026-02-27 | ECOLAB INC. (ECL) | EVP & PRES - INST GROUP | Buy | 3,800 | $520,942 |
| 2026-02-27 | ECOLAB INC. (ECL) | EVP & PRES - INST GROUP | Sell | 3,519 | $1.1M |
| 2026-02-20 | ECOLAB INC. (ECL) | EVP & PRES - INST GROUP | Buy | 3,388 | $0 |
| 2026-02-20 | ECOLAB INC. (ECL) | EVP & PRES - INST GROUP | Sell | 1,066 | $323,155 |
| 2025-05-21 | ECOLAB INC. (ECL) | EVP & PRES - INST GROUP | Sell | 65 | $0 |
| 2025-05-16 | ECOLAB INC. (ECL) | EVP & PRES - INST GROUP | Buy | 2,234 | $263,009 |
| 2025-05-16 | ECOLAB INC. (ECL) | EVP & PRES - INST GROUP | Sell | 2,234 | $565,202 |
Source: SEC Form 4 filings · as of 2026-08-11