ECL insider buying – Ecolab Inc.
36 insider purchases since 2016 worth $452.9M by 9 different insiders. Last 12 months: 7 purchases, $4.1M. Most recent filing: 2026-11-12.
Large company Public float $67.1B (latest 10-K, SEC).
Same time range as the chart above - each mark sits under the week of the trade. Circles = purchases (height = price paid, size = amount), red triangles = open-market sales of $50k+. Prices as reported, not adjusted for later stock splits. 12 older purchases (before the 5-year window) are listed in the table below.
Purchases are open-market buys (SEC Form 4, code "P") - insiders paying with their own money. Sales are open-market sales (code "S") of $50,000 or more; many sales are pre-planned (Rule 10b5-1) or made for taxes and diversification. Each row links to the original filing.
Bought, sold, still holding?
| Insider | Bought | First / last buy | Sold since 2016 | Holds now* | Status |
|---|---|---|---|---|---|
| CASCADE INVESTMENT, L.L.C. 10% Owner | $269.6M 3× · 1,964,540 sh | 2018-03-07 2022-08-15 | 6× · $298.3M last 2024-11-20 | 29,320,492 shares as of 2024-11-22 | Sold part |
| GATES WILLIAM H III 10% Owner | $174.6M 6× · 1,300,620 sh | 2016-03-10 2022-08-19 | 1× · $195.9M last 2024-10-31 | 31,153,283 shares as of 2024-11-04 | Sold part |
| MacLennan David Director | $2.7M 20× · 13,250 sh | 2017-02-24 2026-11-12 | – | 29,636 shares as of 2026-07-02 | Holds - never sold |
| Doukeris Michel D Director | $2.0M 1× · 7,750 sh | 2026-06-10 2026-06-10 | – | 8,458 shares as of 2026-07-02 | Holds - never sold |
| ETTINGER JEFFREY M Director | $1.8M 2× · 11,400 sh | 2018-03-09 2022-02-17 | – | 20,063 shares as of 2023-05-05 | Holds - never sold |
| Green Eric Mark Director | $1.0M 1× · 3,690 sh | 2026-09-11 2026-09-11 | – | 7,627 shares as of 2026-09-14 | Holds - never sold |
| Casale Carl M Director | $631,650 1× · 5,000 sh | 2017-05-05 2017-05-05 | – | 12,519 shares as of 2018-07-03 | Holds - never sold |
| Clark Benjamin M. Officer | $263,830 1× · 1,000 sh | 2026-06-11 2026-06-11 | – | 1,083 shares as of 2026-06-15 | Holds - never sold |
| McKibben Tracy B Director | $250,750 1× · 1,475 sh | 2022-04-29 2022-04-29 | 2× · $841,487 last 2026-02-25 | 11,668 shares as of 2026-07-02 | Sold part |
* Shares held after the insider's most recent SEC filing for this company (all share classes, direct and indirect). If an insider stops filing, later changes are not known.
Insider buying and selling by year
| Year | Purchases | Bought | Buyers | Sales | Sold |
|---|---|---|---|---|---|
| 2026 | 6 | $3.9M | 4 | 11 | $21.1M |
| 2025 | 4 | $591,985 | 1 | 12 | $15.7M |
| 2024 | 2 | $304,056 | 1 | 16 | $506.0M |
| 2023 | 3 | $398,809 | 1 | 12 | $17.4M |
| 2022 | 9 | $88.4M | 5 | 5 | $2.4M |
| 2021 | 0 | – | – | 25 | $83.3M |
| 2020 | 1 | $77,620 | 1 | 31 | $175.6M |
| 2019 | 1 | $171,050 | 1 | 22 | $92.1M |
| 2018 | 5 | $295.5M | 4 | 13 | $27.5M |
| 2017 | 4 | $10.8M | 3 | 15 | $18.0M |
| 2016 | 1 | $52.7M | 1 | 9 | $11.2M |
Insider purchases
| Filed | Insider | Role | Shares | Avg price | Value | Holdings | Filing |
|---|---|---|---|---|---|---|---|
| 2026-11-12 | MacLennan David | Director | 600 | $308.12 | $184,875 | +2% | SEC |
| 2026-09-14 | Green Eric Mark | Director | 3,690 | $276.64 | $1.0M | +86.7% | SEC |
| 2026-06-15 | Clark Benjamin M. | Officer | 1,000 | $263.83 | $263,830 | +1210.9% | SEC |
| 2026-06-11 | Doukeris Michel D | Director | 7,750 | $258.00 | $2.0M | +1344.9% | SEC |
| 2026-05-14 | MacLennan David | Director | 1,000 | $250.65 | $250,650 | +4.1% | SEC |
| 2026-05-05 | MacLennan David | Director | 800 | $256.91 | $205,528 | +3.4% | SEC |
| 2025-12-08 | MacLennan David | Director | 750 | $257.60 | $193,200 | +3.4% | SEC |
| 2025-08-15 | MacLennan David | Director | 600 | $278.51 | $167,106 | +3.1% | SEC |
| 2025-05-09 | MacLennan David | Director | 500 | $251.75 | $125,875 | +2.6% | SEC |
| 2025-02-18 | MacLennan David | Director | 400 | $264.51 | $105,804 | +2.2% | SEC |
| 2024-08-06 | MacLennan David | Director | 650 | $240.41 | $156,266 | +3.8% | SEC |
| 2024-05-07 | MacLennan David | Director | 650 | $227.37 | $147,790 | +3.9% | SEC |
| 2023-12-04 | MacLennan David | Director | 800 | $191.53 | $153,224 | +5.2% | SEC |
| 2023-08-09 | MacLennan David | Director | 650 | $183.73 | $119,424 | +4.5% | SEC |
| 2023-06-15 | MacLennan David | Director | 700 | $180.23 | $126,161 | +5.2% | SEC |
| 2022-11-10 | MacLennan David | Director | 800 | $139.66 | $111,728 | +6.8% | SEC |
| 2022-08-23 | GATES WILLIAM H III | 10% Owner | 58,667 | $171.37 | $10.1M | +0.2% | SEC |
| 2022-08-19 | GATES WILLIAM H III | 10% Owner | 112,325 | $174.96 | $19.7M | +0.4% | SEC |
| 2022-08-17 | CASCADE INVESTMENT, L.L.C. | 10% Owner | 143,879 | $176.64 | $25.4M | +0.5% | SEC |
| 2022-08-15 | GATES WILLIAM H III | 10% Owner | 185,129 | $171.80 | $31.8M | +0.6% | SEC |
| 2022-05-06 | MacLennan David | Director | 600 | $171.01 | $102,606 | +5.6% | SEC |
| 2022-05-03 | McKibben Tracy B | Director | 1,475 | $170.00 | $250,750 | +28.0% | SEC |
| 2022-02-22 | MacLennan David | Director | 600 | $179.09 | $107,454 | +6.0% | SEC |
| 2022-02-18 | ETTINGER JEFFREY M | Director | 5,000 | $179.39 | $896,950 | +35.9% | SEC |
| 2020-08-10 | MacLennan David | Director | 400 | $194.05 | $77,620 | +5.0% | SEC |
| 2019-03-08 | MacLennan David | Director | 1,000 | $171.05 | $171,050 | +40.0% | SEC |
| 2018-08-03 | MacLennan David | Director | 500 | $146.40 | $73,200 | +25.0% | SEC |
| 2018-03-16 | CASCADE INVESTMENT, L.L.C. | 10% Owner | 491,499 | $136.83 | $67.3M | +1.6% | SEC |
| 2018-03-14 | GATES WILLIAM H III | 10% Owner | 369,000 | $136.54 | $50.4M | +1.2% | SEC |
| 2018-03-13 | ETTINGER JEFFREY M | Director | 6,400 | $134.42 | $860,288 | +134.3% | SEC |
| 2018-03-09 | CASCADE INVESTMENT, L.L.C. | 10% Owner | 1,329,162 | $133.14 | $177.0M | +4.7% | SEC |
| 2017-11-08 | MacLennan David | Director | 450 | $131.77 | $59,296 | +29.0% | SEC |
| 2017-08-07 | GATES WILLIAM H III | 10% Owner | 75,500 | $132.57 | $10.0M | +0.3% | SEC |
| 2017-05-05 | Casale Carl M | Director | 5,000 | $126.33 | $631,650 | +77.0% | SEC |
| 2017-02-28 | MacLennan David | Director | 800 | $124.94 | $99,952 | SEC | |
| 2016-03-14 | GATES WILLIAM H III | 10% Owner | 499,999 | $105.36 | $52.7M | +1.8% | SEC |
Insider sales
| Filed | Insider | Role | Shares | Avg price | Value | Type | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-20 | Beck Christophe | CEO | 17,862 | $280.14 | $5.0M | Sale | SEC |
| 2026-08-11 | Cook Gregory B | Officer | 4,567 | $285.13 | $1.3M | Sale | SEC |
| 2026-07-31 | Kirkland Scott D | CFO | 3,357 | $276.96 | $929,755 | Sale | SEC |
| 2026-06-10 | Brown Darrell R | Officer | 10,000 | $260.89 | $2.6M | Sale | SEC |
| 2026-05-27 | Vautrinot Suzanne M | Director | 1,004 | $264.98 | $266,040 | Sale | SEC |
| 2026-02-27 | Cook Gregory B | Officer | 3,519 | $304.25 | $1.1M | Sale | SEC |
| 2026-02-26 | McKibben Tracy B | Director | 1,265 | $308.66 | $390,455 | Sale | SEC |
| 2026-02-25 | Beck Christophe | CEO | 20,000 | $307.37 | $6.1M | Sale | SEC |
| 2026-02-18 | Alfano Nicholas J. | Officer | 9,501 | $303.58 | $2.9M | Sale | SEC |
| 2026-02-17 | REICH VICTORIA | Director | 1,000 | $301.08 | $301,080 | Sale | SEC |
| 2026-02-17 | Bradway Jennifer J | Officer | 613 | $302.01 | $185,132 | Sale | SEC |
| 2025-11-25 | De Boo Alexander A. | Officer | 1,422 | $268.25 | $381,452 | Sale | SEC |
| 2025-11-13 | Beck Christophe | CEO | 21,714 | $261.41 | $5.7M | Sale | SEC |
| 2025-08-19 | Vautrinot Suzanne M | Director | 1,354 | $283.16 | $383,399 | Sale | SEC |
| 2025-08-15 | Bradway Jennifer J | Officer | 807 | $279.28 | $225,379 | Sale | SEC |
Showing the latest 15 of 171 sales of $50,000+ since 2016.
Compiled automatically from public SEC filings. Not investment advice. Get every new insider purchase in the daily report.
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