ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

Corundum Group, Inc.'s Holding History (CIK: 0001486083)

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

Q4 2025

Shares 5,085 Value ($000) $1,335 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 5,105 Value ($000) $1,398 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 5,129 Value ($000) $1,382 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 5,067 Value ($000) $1,285 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 7,548 Value ($000) $1,769 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 5,104 Value ($000) $1,303 Avg Close $241.07 Range $217.65 - $253.31

Q2 2024

Shares 7,677 Value ($000) $1,827 Avg Close $227.14 Range $213.29 - $242.24

Q1 2024

Shares 5,217 Value ($000) $1,205 Avg Close $207.94 Range $189.63 - $227.85

Q4 2023

Shares 5,201 Value ($000) $1,032 Avg Close $175.85 Range $153.18 - $197.06

Q3 2023

Shares 4,858 Value ($000) $823 Avg Close $177.30 Range $163.22 - $186.52

Q2 2023

Shares 5,399 Value ($000) $1,008 Avg Close $167.31 Range $156.95 - $182.94

Q1 2023

Shares 7,963 Value ($000) $1,318 Avg Close $150.99 Range $139.35 - $161.29

Q4 2022

Shares 5,464 Value ($000) $1 Avg Close $141.81 Range $126.42 - $153.48

Q3 2022

Shares 4,908 Value ($000) $709 Avg Close $156.07 Range $138.29 - $171.23

Q2 2022

Shares 4,601 Value ($000) $707 Avg Close $158.99 Range $137.82 - $177.76

Q1 2022

Shares 4,011 Value ($000) $708 Avg Close $179.54 Range $147.91 - $226.74

Q4 2021

Shares 2,198 Value ($000) $516 Avg Close $215.53 Range $199.33 - $227.72

Q3 2021

Shares 1,522 Value ($000) $318 Avg Close $208.54 Range $195.25 - $219.93

Q2 2021

Shares 1,606 Value ($000) $331 Avg Close $206.33 Range $194.28 - $218.25

Q1 2021

Shares 1,568 Value ($000) $336 Avg Close $201.55 Range $190.45 - $215.84

Q4 2020

Shares 1,537 Value ($000) $333 Avg Close $197.47 Range $171.24 - $214.73

Q3 2020

Shares 1,501 Value ($000) $300 Avg Close $188.44 Range $172.53 - $201.15

Q2 2020

Shares 1,209 Value ($000) $241 Avg Close $182.16 Range $136.65 - $217.57

Q1 2020

Shares 1,365 Value ($000) $213 Avg Close $176.33 Range $117.17 - $198.13

Q4 2019

Shares 1,473 Value ($000) $284 Avg Close $177.67 Range $169.74 - $186.58

Q3 2019

Shares 1,417 Value ($000) $281 Avg Close $187.16 Range $179.22 - $195.89

Q2 2019

Shares 1,419 Value ($000) $280 Avg Close $173.21 Range $164.99 - $187.12

Q1 2019

Shares 1,409 Value ($000) $249 Avg Close $150.92 Range $131.24 - $169.66

Q4 2018

Shares 4,062 Value ($000) $599 Avg Close $141.48 Range $126.10 - $150.86

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	5,085	$1,335	$265.71	$251.04 - $281.41
Q3 2025	5,105	$1,398	$270.32	$253.71 - $284.56
Q2 2025	5,129	$1,382	$252.35	$219.93 - $269.19
Q1 2025	5,067	$1,285	$249.61	$225.31 - $270.90
Q4 2024	7,548	$1,769	$245.53	$230.70 - $259.26
Q3 2024	5,104	$1,303	$241.07	$217.65 - $253.31
Q2 2024	7,677	$1,827	$227.14	$213.29 - $242.24
Q1 2024	5,217	$1,205	$207.94	$189.63 - $227.85
Q4 2023	5,201	$1,032	$175.85	$153.18 - $197.06
Q3 2023	4,858	$823	$177.30	$163.22 - $186.52
Q2 2023	5,399	$1,008	$167.31	$156.95 - $182.94
Q1 2023	7,963	$1,318	$150.99	$139.35 - $161.29
Q4 2022	5,464	$1	$141.81	$126.42 - $153.48
Q3 2022	4,908	$709	$156.07	$138.29 - $171.23
Q2 2022	4,601	$707	$158.99	$137.82 - $177.76
Q1 2022	4,011	$708	$179.54	$147.91 - $226.74
Q4 2021	2,198	$516	$215.53	$199.33 - $227.72
Q3 2021	1,522	$318	$208.54	$195.25 - $219.93
Q2 2021	1,606	$331	$206.33	$194.28 - $218.25
Q1 2021	1,568	$336	$201.55	$190.45 - $215.84
Q4 2020	1,537	$333	$197.47	$171.24 - $214.73
Q3 2020	1,501	$300	$188.44	$172.53 - $201.15
Q2 2020	1,209	$241	$182.16	$136.65 - $217.57
Q1 2020	1,365	$213	$176.33	$117.17 - $198.13
Q4 2019	1,473	$284	$177.67	$169.74 - $186.58
Q3 2019	1,417	$281	$187.16	$179.22 - $195.89
Q2 2019	1,419	$280	$173.21	$164.99 - $187.12
Q1 2019	1,409	$249	$150.92	$131.24 - $169.66
Q4 2018	4,062	$599	$141.48	$126.10 - $150.86