Cook Gregory B (CIK 1989181) reported 9 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-02-27). Recent activity: Buy ECL (3,800 shares), Sell ECL (3,519 shares), Buy ECL (3,388 shares), Sell ECL (1,066 shares), Sell ECL (65 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 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 |
| 2025-02-21 | ECOLAB INC. (ECL) | EVP & PRES - INST GROUP | Buy | 1,546 | $0 |
| 2025-02-21 | ECOLAB INC. (ECL) | EVP & PRES - INST GROUP | Sell | 490 | $129,996 |
Source: SEC Form 4 filings · as of 2026-02-27