ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

L. Roy Papp & Associates, LLP's Holding History (CIK: 0000809339)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 36,466 Value ($000) $9,573 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 36,498 Value ($000) $9,995 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 36,203 Value ($000) $9,755 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 35,527 Value ($000) $9,007 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 35,777 Value ($000) $8,383 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 35,651 Value ($000) $9,103 Avg Close $241.07 Range $217.65 - $253.31

Q2 2024

Shares 35,446 Value ($000) $8,436 Avg Close $227.14 Range $213.29 - $242.24

Q1 2024

Shares 36,034 Value ($000) $8,320 Avg Close $207.94 Range $189.63 - $227.85

Q4 2023

Shares 36,336 Value ($000) $7,207 Avg Close $175.85 Range $153.18 - $197.06

Q3 2023

Shares 37,246 Value ($000) $6,310 Avg Close $177.30 Range $163.22 - $186.52

Q2 2023

Shares 37,161 Value ($000) $6,938 Avg Close $167.31 Range $156.95 - $182.94

Q1 2023

Shares 36,731 Value ($000) $6,080 Avg Close $150.99 Range $139.35 - $161.29

Q4 2022

Shares 36,251 Value ($000) $5,277 Avg Close $141.81 Range $126.42 - $153.48

Q3 2022

Shares 36,341 Value ($000) $5,248 Avg Close $156.07 Range $138.29 - $171.23

Q2 2022

Shares 36,247 Value ($000) $5,573 Avg Close $158.99 Range $137.82 - $177.76

Q1 2022

Shares 36,147 Value ($000) $6,382 Avg Close $179.54 Range $147.91 - $226.74

Q4 2021

Shares 36,042 Value ($000) $8,455 Avg Close $215.53 Range $199.33 - $227.72

Q3 2021

Shares 34,044 Value ($000) $7,102 Avg Close $208.54 Range $195.25 - $219.93

Q2 2021

Shares 33,569 Value ($000) $6,914 Avg Close $206.33 Range $194.28 - $218.25

Q1 2021

Shares 33,009 Value ($000) $7,066 Avg Close $201.55 Range $190.45 - $215.84

Q4 2020

Shares 33,839 Value ($000) $7,321 Avg Close $197.47 Range $171.24 - $214.73

Q3 2020

Shares 33,016 Value ($000) $6,598 Avg Close $188.44 Range $172.53 - $201.15

Q2 2020

Shares 31,924 Value ($000) $6,351 Avg Close $182.16 Range $136.65 - $217.57

Q1 2020

Shares 29,693 Value ($000) $4,627 Avg Close $176.33 Range $117.17 - $198.13

Q4 2019

Shares 27,802 Value ($000) $5,366 Avg Close $177.67 Range $169.74 - $186.58

Q3 2019

Shares 27,708 Value ($000) $5,488 Avg Close $187.16 Range $179.22 - $195.89

Q2 2019

Shares 27,711 Value ($000) $5,471 Avg Close $173.21 Range $164.99 - $187.12

Q1 2019

Shares 27,730 Value ($000) $4,895 Avg Close $150.92 Range $131.24 - $169.66

Q4 2018

Shares 27,516 Value ($000) $4,055 Avg Close $141.48 Range $126.10 - $150.86

Q3 2018

Shares 27,581 Value ($000) $4,324 Avg Close $137.00 Range $128.06 - $148.09

Q2 2018

Shares 27,563 Value ($000) $3,868 Avg Close $132.91 Range $122.30 - $138.58

Q1 2018

Shares 27,673 Value ($000) $3,793 Avg Close $123.54 Range $115.47 - $129.02

Q4 2017

Shares 26,873 Value ($000) $3,606 Avg Close $121.85 Range $117.53 - $126.30

Q3 2017

Shares 27,657 Value ($000) $3,557 Avg Close $120.10 Range $116.11 - $122.59

Q2 2017

Shares 28,491 Value ($000) $3,782 Avg Close $117.68 Range $113.27 - $123.01

Q1 2017

Shares 27,778 Value ($000) $3,482 Avg Close $111.04 Range $106.47 - $114.69

Q4 2016

Shares 26,687 Value ($000) $3,128 Avg Close $105.98 Range $100.13 - $110.74

Q3 2016

Shares 26,461 Value ($000) $3,221 Avg Close $108.98 Range $105.46 - $112.42

Q2 2016

Shares 28,111 Value ($000) $3,334 Avg Close $104.92 Range $98.81 - $109.58

Q1 2016

Shares 26,361 Value ($000) $2,940 Avg Close $95.34 Range $88.43 - $102.02

Q4 2015

Shares 24,953 Value ($000) $2,854 Avg Close $105.21 Range $98.01 - $109.49

Q3 2015

Shares 24,552 Value ($000) $2,694 Avg Close $99.79 Range $91.88 - $104.89

Q2 2015

Shares 24,051 Value ($000) $2,719 Avg Close $102.25 Range $97.79 - $105.41

Q1 2015

Shares 24,046 Value ($000) $2,750 Avg Close $97.19 Range $86.65 - $103.73

Q4 2014

Shares 24,027 Value ($000) $2,511 Avg Close $96.70 Range $89.74 - $101.94

Q3 2014

Shares 24,184 Value ($000) $2,777 Avg Close $99.26 Range $94.57 - $104.65

Q2 2014

Shares 24,183 Value ($000) $2,693 Avg Close $94.25 Range $89.51 - $98.33

Q1 2014

Shares 24,152 Value ($000) $2,608 Avg Close $91.92 Range $85.62 - $98.30

Q4 2013

Shares 24,069 Value ($000) $2,510 Avg Close $90.95 Range $84.34 - $94.74

Q3 2013

Shares 23,970 Value ($000) $2,367 Avg Close $81.20 Range $74.57 - $86.97

Q2 2013

Shares 23,835 Value ($000) $2,031 Avg Close $73.48 Range $68.51 - $77.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	36,466	$9,573	$265.71	$251.04 - $281.41
Q3 2025	36,498	$9,995	$270.32	$253.71 - $284.56
Q2 2025	36,203	$9,755	$252.35	$219.93 - $269.19
Q1 2025	35,527	$9,007	$249.61	$225.31 - $270.90
Q4 2024	35,777	$8,383	$245.53	$230.70 - $259.26
Q3 2024	35,651	$9,103	$241.07	$217.65 - $253.31
Q2 2024	35,446	$8,436	$227.14	$213.29 - $242.24
Q1 2024	36,034	$8,320	$207.94	$189.63 - $227.85
Q4 2023	36,336	$7,207	$175.85	$153.18 - $197.06
Q3 2023	37,246	$6,310	$177.30	$163.22 - $186.52
Q2 2023	37,161	$6,938	$167.31	$156.95 - $182.94
Q1 2023	36,731	$6,080	$150.99	$139.35 - $161.29
Q4 2022	36,251	$5,277	$141.81	$126.42 - $153.48
Q3 2022	36,341	$5,248	$156.07	$138.29 - $171.23
Q2 2022	36,247	$5,573	$158.99	$137.82 - $177.76
Q1 2022	36,147	$6,382	$179.54	$147.91 - $226.74
Q4 2021	36,042	$8,455	$215.53	$199.33 - $227.72
Q3 2021	34,044	$7,102	$208.54	$195.25 - $219.93
Q2 2021	33,569	$6,914	$206.33	$194.28 - $218.25
Q1 2021	33,009	$7,066	$201.55	$190.45 - $215.84
Q4 2020	33,839	$7,321	$197.47	$171.24 - $214.73
Q3 2020	33,016	$6,598	$188.44	$172.53 - $201.15
Q2 2020	31,924	$6,351	$182.16	$136.65 - $217.57
Q1 2020	29,693	$4,627	$176.33	$117.17 - $198.13
Q4 2019	27,802	$5,366	$177.67	$169.74 - $186.58
Q3 2019	27,708	$5,488	$187.16	$179.22 - $195.89
Q2 2019	27,711	$5,471	$173.21	$164.99 - $187.12
Q1 2019	27,730	$4,895	$150.92	$131.24 - $169.66
Q4 2018	27,516	$4,055	$141.48	$126.10 - $150.86
Q3 2018	27,581	$4,324	$137.00	$128.06 - $148.09
Q2 2018	27,563	$3,868	$132.91	$122.30 - $138.58
Q1 2018	27,673	$3,793	$123.54	$115.47 - $129.02
Q4 2017	26,873	$3,606	$121.85	$117.53 - $126.30
Q3 2017	27,657	$3,557	$120.10	$116.11 - $122.59
Q2 2017	28,491	$3,782	$117.68	$113.27 - $123.01
Q1 2017	27,778	$3,482	$111.04	$106.47 - $114.69
Q4 2016	26,687	$3,128	$105.98	$100.13 - $110.74
Q3 2016	26,461	$3,221	$108.98	$105.46 - $112.42
Q2 2016	28,111	$3,334	$104.92	$98.81 - $109.58
Q1 2016	26,361	$2,940	$95.34	$88.43 - $102.02
Q4 2015	24,953	$2,854	$105.21	$98.01 - $109.49
Q3 2015	24,552	$2,694	$99.79	$91.88 - $104.89
Q2 2015	24,051	$2,719	$102.25	$97.79 - $105.41
Q1 2015	24,046	$2,750	$97.19	$86.65 - $103.73
Q4 2014	24,027	$2,511	$96.70	$89.74 - $101.94
Q3 2014	24,184	$2,777	$99.26	$94.57 - $104.65
Q2 2014	24,183	$2,693	$94.25	$89.51 - $98.33
Q1 2014	24,152	$2,608	$91.92	$85.62 - $98.30
Q4 2013	24,069	$2,510	$90.95	$84.34 - $94.74
Q3 2013	23,970	$2,367	$81.20	$74.57 - $86.97
Q2 2013	23,835	$2,031	$73.48	$68.51 - $77.84