Gregory B. Cook
CIK: 0001989181
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
ECOLAB INC.
Discretionary Trading P&L
Holdings
Transaction History (14 total)
- Aug 11, 2026ECL
ECOLAB INC.
Sale(S)Direct4.6K shares at avg. $285.13$1.3M - May 4, 2026ECL
ECOLAB INC.
Tax Payment(F)Direct3.8K shares at avg. $257.93$987K - May 4, 2026ECL
ECOLAB INC.
Exercise(M)Direct8.4K shares- - Feb 26, 2026ECL
ECOLAB INC.
Sale(S)Direct3.5K shares at avg. $304.25$1.1M - Feb 26, 2026ECL
ECOLAB INC.
Exercise(M)Direct3.8K shares at avg. $137.09$521K - Feb 18, 2026ECL
ECOLAB INC.
Award(A)Direct3.4K shares- - Feb 18, 2026ECL
ECOLAB INC.
Tax Payment(F)Direct1.1K shares at avg. $303.15$323K - Dec 3, 2025ECL
ECOLAB INC.
Award(A)DirectEmployee Stock Option (Right to Buy)
8.7K shares- - May 19, 2025ECL
ECOLAB INC.
Gift(G)Direct65 shares- - May 15, 2025ECL
ECOLAB INC.
Exercise(M)Direct2.2K shares at avg. $117.73$263K - May 15, 2025ECL
ECOLAB INC.
Sale(S)Direct2.2K shares at avg. $253.00$565K - Feb 19, 2025ECL
ECOLAB INC.
Tax Payment(F)Direct490 shares at avg. $265.19$130K - Feb 19, 2025ECL
ECOLAB INC.
Award(A)Direct1.5K shares- - Dec 4, 2024ECL
ECOLAB INC.
Award(A)DirectEmployee Stock Option (Right to Buy)
8.3K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 11, 2026 | ECL ECOLAB INC. | Sale(S) | 4,567 | $285.13 | $1,302,300 | Direct |
| May 4, 2026 | ECL ECOLAB INC. | Tax Payment(F) | 3,829 | $257.93 | $987,485 | Direct |
| May 4, 2026 | ECL ECOLAB INC. | Exercise(M) | 8,396 | - | $0 | Direct |
| Feb 26, 2026 | ECL ECOLAB INC. | Sale(S) | 3,519 | $304.25 | $1,070,656 | Direct |
| Feb 26, 2026 | ECL ECOLAB INC. | Exercise(M) | 3,800 | $137.09 | $520,931 | Direct |
| Feb 18, 2026 | ECL ECOLAB INC. | Award(A) | 3,388 | - | $0 | Direct |
| Feb 18, 2026 | ECL ECOLAB INC. | Tax Payment(F) | 1,066 | $303.15 | $323,154 | Direct |
| Dec 3, 2025 | ECL ECOLAB INC. | Award(A) Employee Stock Option (Right to Buy) | 8,661 | - | - | Direct |
| May 19, 2025 | ECL ECOLAB INC. | Gift(G) | 65 | - | - | Direct |
| May 15, 2025 | ECL ECOLAB INC. | Exercise(M) | 2,234 | $117.73 | $263,009 | Direct |
| May 15, 2025 | ECL ECOLAB INC. | Sale(S) | 2,234 | $253.00 | $565,202 | Direct |
| Feb 19, 2025 | ECL ECOLAB INC. | Tax Payment(F) | 490 | $265.19 | $129,994 | Direct |
| Feb 19, 2025 | ECL ECOLAB INC. | Award(A) | 1,546 | - | - | Direct |
| Dec 4, 2024 | ECL ECOLAB INC. | Award(A) Employee Stock Option (Right to Buy) | 8,272 | - | - | Direct |
1-14 of 14 transactions
About Cook Gregory B
Cook Gregory B (SEC CIK 0001989181) files insider reports with the SEC as Co-COO - Global Businesses of ECOLAB INC. (ECL).
Signal8 holds 9 ownership filings by Cook Gregory B, all Form 4s, filed between Dec 6, 2024 and Aug 11, 2026. Those filings report 14 transactions, from Dec 4, 2024 to Aug 11, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Cook Gregory B's filings is in ST. PAUL, MN.
Recent filings by Cook Gregory B
- Aug 11, 2026: Open-market sale of ECL shares (Form 4, code S).
- May 4, 2026: Tax withholding of ECL shares (Form 4, code F).
- May 4, 2026: Option exercise of ECL shares (Form 4, code M).
- Feb 26, 2026: Open-market sale of ECL shares (Form 4, code S).
- Feb 26, 2026: Option exercise of ECL shares (Form 4, code M).
Other insiders filing for ECOLAB INC. (ECL)
- ZILLMER JOHN J, Director
- Whalen Julie, Director
- Vautrinot Suzanne M, Director
- NOWELL LIONEL L III, Director
- McKibben Tracy B, Director
- MacLennan David, Director