ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

Great Diamond Partners, LLC's Holding History (CIK: 0001801112)

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

Q4 2025

Shares 4,713 Value ($000) $1,237 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 4,745 Value ($000) $1,299 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 4,816 Value ($000) $1,298 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 1,110 Value ($000) $281 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 1,161 Value ($000) $272 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 1,253 Value ($000) $320 Avg Close $241.07 Range $217.65 - $253.31

Q2 2024

Shares 1,703 Value ($000) $405 Avg Close $227.14 Range $213.29 - $242.24

Q1 2024

Shares 1,828 Value ($000) $422 Avg Close $207.94 Range $189.63 - $227.85

Q4 2023

Shares 3,031 Value ($000) $601 Avg Close $175.85 Range $153.18 - $197.06

Q3 2023

Shares 3,032 Value ($000) $514 Avg Close $177.30 Range $163.22 - $186.52

Q2 2023

Shares 3,040 Value ($000) $568 Avg Close $167.31 Range $156.95 - $182.94

Q1 2023

Shares 3,102 Value ($000) $513 Avg Close $150.99 Range $139.35 - $161.29

Q4 2022

Shares 3,086 Value ($000) $449 Avg Close $141.81 Range $126.42 - $153.48

Q3 2022

Shares 3,121 Value ($000) $450 Avg Close $156.07 Range $138.29 - $171.23

Q2 2022

Shares 3,103 Value ($000) $477 Avg Close $158.99 Range $137.82 - $177.76

Q1 2022

Shares 3,219 Value ($000) $568 Avg Close $179.54 Range $147.91 - $226.74

Q4 2021

Shares 3,245 Value ($000) $761 Avg Close $215.53 Range $199.33 - $227.72

Q3 2021

Shares 3,218 Value ($000) $671 Avg Close $208.54 Range $195.25 - $219.93

Q2 2021

Shares 3,221 Value ($000) $663 Avg Close $206.33 Range $194.28 - $218.25

Q1 2021

Shares 3,242 Value ($000) $694 Avg Close $201.55 Range $190.45 - $215.84

Q4 2020

Shares 3,190 Value ($000) $690 Avg Close $197.47 Range $171.24 - $214.73

Q3 2020

Shares 3,925 Value ($000) $784 Avg Close $188.44 Range $172.53 - $201.15

Q2 2020

Shares 3,900 Value ($000) $775 Avg Close $182.16 Range $136.65 - $217.57

Q1 2020

Shares 3,892 Value ($000) $606 Avg Close $176.33 Range $117.17 - $198.13

Q4 2019

Shares 4,440 Value ($000) $856 Avg Close $177.67 Range $169.74 - $186.58

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,713	$1,237	$265.71	$251.04 - $281.41
Q3 2025	4,745	$1,299	$270.32	$253.71 - $284.56
Q2 2025	4,816	$1,298	$252.35	$219.93 - $269.19
Q1 2025	1,110	$281	$249.61	$225.31 - $270.90
Q4 2024	1,161	$272	$245.53	$230.70 - $259.26
Q3 2024	1,253	$320	$241.07	$217.65 - $253.31
Q2 2024	1,703	$405	$227.14	$213.29 - $242.24
Q1 2024	1,828	$422	$207.94	$189.63 - $227.85
Q4 2023	3,031	$601	$175.85	$153.18 - $197.06
Q3 2023	3,032	$514	$177.30	$163.22 - $186.52
Q2 2023	3,040	$568	$167.31	$156.95 - $182.94
Q1 2023	3,102	$513	$150.99	$139.35 - $161.29
Q4 2022	3,086	$449	$141.81	$126.42 - $153.48
Q3 2022	3,121	$450	$156.07	$138.29 - $171.23
Q2 2022	3,103	$477	$158.99	$137.82 - $177.76
Q1 2022	3,219	$568	$179.54	$147.91 - $226.74
Q4 2021	3,245	$761	$215.53	$199.33 - $227.72
Q3 2021	3,218	$671	$208.54	$195.25 - $219.93
Q2 2021	3,221	$663	$206.33	$194.28 - $218.25
Q1 2021	3,242	$694	$201.55	$190.45 - $215.84
Q4 2020	3,190	$690	$197.47	$171.24 - $214.73
Q3 2020	3,925	$784	$188.44	$172.53 - $201.15
Q2 2020	3,900	$775	$182.16	$136.65 - $217.57
Q1 2020	3,892	$606	$176.33	$117.17 - $198.13
Q4 2019	4,440	$856	$177.67	$169.74 - $186.58