ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

AMG National Trust Bank's Holding History (CIK: 0001388829)

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

Q4 2025

Shares 28,240 Value ($000) $7,414 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 29,218 Value ($000) $8,002 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 29,757 Value ($000) $8,018 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 29,695 Value ($000) $7,528 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 37,617 Value ($000) $8,822 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 32,428 Value ($000) $8,280 Avg Close $241.07 Range $217.65 - $253.31

Q2 2024

Shares 33,110 Value ($000) $7,880 Avg Close $227.14 Range $213.29 - $242.24

Q1 2024

Shares 32,831 Value ($000) $7,581 Avg Close $207.94 Range $189.63 - $227.85

Q4 2023

Shares 32,698 Value ($000) $6,486 Avg Close $175.85 Range $153.18 - $197.06

Q3 2023

Shares 33,217 Value ($000) $5,627 Avg Close $177.30 Range $163.22 - $186.52

Q2 2023

Shares 33,387 Value ($000) $6,233 Avg Close $167.31 Range $156.95 - $182.94

Q1 2023

Shares 33,387 Value ($000) $5,527 Avg Close $150.99 Range $139.35 - $161.29

Q4 2022

Shares 33,387 Value ($000) $4,860 Avg Close $141.81 Range $126.42 - $153.48

Q3 2022

Shares 33,881 Value ($000) $4,893 Avg Close $156.07 Range $138.29 - $171.23

Q2 2022

Shares 33,892 Value ($000) $5,218 Avg Close $158.99 Range $137.82 - $177.76

Q1 2022

Shares 34,417 Value ($000) $6,077 Avg Close $179.54 Range $147.91 - $226.74

Q4 2021

Shares 25,423 Value ($000) $5,965 Avg Close $215.53 Range $199.33 - $227.72

Q3 2021

Shares 26,568 Value ($000) $5,543 Avg Close $208.54 Range $195.25 - $219.93

Q2 2021

Shares 26,930 Value ($000) $5,547 Avg Close $206.33 Range $194.28 - $218.25

Q1 2021

Shares 27,385 Value ($000) $5,862 Avg Close $201.55 Range $190.45 - $215.84

Q4 2020

Shares 26,073 Value ($000) $5,641 Avg Close $197.47 Range $171.24 - $214.73

Q3 2020

Shares 26,202 Value ($000) $5,236 Avg Close $188.44 Range $172.53 - $201.15

Q2 2020

Shares 25,692 Value ($000) $5,111 Avg Close $182.16 Range $136.65 - $217.57

Q1 2020

Shares 24,177 Value ($000) $3,768 Avg Close $176.33 Range $117.17 - $198.13

Q4 2019

Shares 25,377 Value ($000) $4,898 Avg Close $177.67 Range $169.74 - $186.58

Q3 2019

Shares 25,377 Value ($000) $5,026 Avg Close $187.16 Range $179.22 - $195.89

Q2 2019

Shares 25,377 Value ($000) $5,010 Avg Close $173.21 Range $164.99 - $187.12

Q1 2019

Shares 25,377 Value ($000) $4,480 Avg Close $150.92 Range $131.24 - $169.66

Q4 2018

Shares 30,779 Value ($000) $4,535 Avg Close $141.48 Range $126.10 - $150.86

Q3 2018

Shares 30,779 Value ($000) $4,826 Avg Close $137.00 Range $128.06 - $148.09

Q2 2018

Shares 35,779 Value ($000) $5,021 Avg Close $132.91 Range $122.30 - $138.58

Q1 2018

Shares 37,048 Value ($000) $5,078 Avg Close $123.54 Range $115.47 - $129.02

Q4 2017

Shares 45,120 Value ($000) $6,054 Avg Close $121.85 Range $117.53 - $126.30

Q3 2017

Shares 45,120 Value ($000) $5,803 Avg Close $120.10 Range $116.11 - $122.59

Q2 2017

Shares 45,220 Value ($000) $6,003 Avg Close $117.68 Range $113.27 - $123.01

Q1 2017

Shares 45,634 Value ($000) $5,720 Avg Close $111.04 Range $106.47 - $114.69

Q4 2016

Shares 54,120 Value ($000) $6,344 Avg Close $105.98 Range $100.13 - $110.74

Q3 2016

Shares 70,787 Value ($000) $8,616 Avg Close $108.98 Range $105.46 - $112.42

Q2 2016

Shares 71,139 Value ($000) $8,437 Avg Close $104.92 Range $98.81 - $109.58

Q1 2016

Shares 71,264 Value ($000) $7,947 Avg Close $95.34 Range $88.43 - $102.02

Q4 2015

Shares 71,264 Value ($000) $8,151 Avg Close $105.21 Range $98.01 - $109.49

Q3 2015

Shares 71,264 Value ($000) $7,819 Avg Close $99.79 Range $91.88 - $104.89

Q2 2015

Shares 71,283 Value ($000) $8,060 Avg Close $102.25 Range $97.79 - $105.41

Q1 2015

Shares 72,114 Value ($000) $8,248 Avg Close $97.19 Range $86.65 - $103.73

Q4 2014

Shares 74,127 Value ($000) $7,748 Avg Close $96.70 Range $89.74 - $101.94

Q3 2014

Shares 74,127 Value ($000) $8,512 Avg Close $99.26 Range $94.57 - $104.65

Q2 2014

Shares 74,127 Value ($000) $8,253 Avg Close $94.25 Range $89.51 - $98.33

Q1 2014

Shares 75,513 Value ($000) $8,155 Avg Close $91.92 Range $85.62 - $98.30

Q4 2013

Shares 50,017 Value ($000) $5,215 Avg Close $90.95 Range $84.34 - $94.74

Q3 2013

Shares 52,089 Value ($000) $5,144 Avg Close $81.20 Range $74.57 - $86.97

Q2 2013

Shares 46,001 Value ($000) $3,919 Avg Close $73.48 Range $68.51 - $77.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	28,240	$7,414	$265.71	$251.04 - $281.41
Q3 2025	29,218	$8,002	$270.32	$253.71 - $284.56
Q2 2025	29,757	$8,018	$252.35	$219.93 - $269.19
Q1 2025	29,695	$7,528	$249.61	$225.31 - $270.90
Q4 2024	37,617	$8,822	$245.53	$230.70 - $259.26
Q3 2024	32,428	$8,280	$241.07	$217.65 - $253.31
Q2 2024	33,110	$7,880	$227.14	$213.29 - $242.24
Q1 2024	32,831	$7,581	$207.94	$189.63 - $227.85
Q4 2023	32,698	$6,486	$175.85	$153.18 - $197.06
Q3 2023	33,217	$5,627	$177.30	$163.22 - $186.52
Q2 2023	33,387	$6,233	$167.31	$156.95 - $182.94
Q1 2023	33,387	$5,527	$150.99	$139.35 - $161.29
Q4 2022	33,387	$4,860	$141.81	$126.42 - $153.48
Q3 2022	33,881	$4,893	$156.07	$138.29 - $171.23
Q2 2022	33,892	$5,218	$158.99	$137.82 - $177.76
Q1 2022	34,417	$6,077	$179.54	$147.91 - $226.74
Q4 2021	25,423	$5,965	$215.53	$199.33 - $227.72
Q3 2021	26,568	$5,543	$208.54	$195.25 - $219.93
Q2 2021	26,930	$5,547	$206.33	$194.28 - $218.25
Q1 2021	27,385	$5,862	$201.55	$190.45 - $215.84
Q4 2020	26,073	$5,641	$197.47	$171.24 - $214.73
Q3 2020	26,202	$5,236	$188.44	$172.53 - $201.15
Q2 2020	25,692	$5,111	$182.16	$136.65 - $217.57
Q1 2020	24,177	$3,768	$176.33	$117.17 - $198.13
Q4 2019	25,377	$4,898	$177.67	$169.74 - $186.58
Q3 2019	25,377	$5,026	$187.16	$179.22 - $195.89
Q2 2019	25,377	$5,010	$173.21	$164.99 - $187.12
Q1 2019	25,377	$4,480	$150.92	$131.24 - $169.66
Q4 2018	30,779	$4,535	$141.48	$126.10 - $150.86
Q3 2018	30,779	$4,826	$137.00	$128.06 - $148.09
Q2 2018	35,779	$5,021	$132.91	$122.30 - $138.58
Q1 2018	37,048	$5,078	$123.54	$115.47 - $129.02
Q4 2017	45,120	$6,054	$121.85	$117.53 - $126.30
Q3 2017	45,120	$5,803	$120.10	$116.11 - $122.59
Q2 2017	45,220	$6,003	$117.68	$113.27 - $123.01
Q1 2017	45,634	$5,720	$111.04	$106.47 - $114.69
Q4 2016	54,120	$6,344	$105.98	$100.13 - $110.74
Q3 2016	70,787	$8,616	$108.98	$105.46 - $112.42
Q2 2016	71,139	$8,437	$104.92	$98.81 - $109.58
Q1 2016	71,264	$7,947	$95.34	$88.43 - $102.02
Q4 2015	71,264	$8,151	$105.21	$98.01 - $109.49
Q3 2015	71,264	$7,819	$99.79	$91.88 - $104.89
Q2 2015	71,283	$8,060	$102.25	$97.79 - $105.41
Q1 2015	72,114	$8,248	$97.19	$86.65 - $103.73
Q4 2014	74,127	$7,748	$96.70	$89.74 - $101.94
Q3 2014	74,127	$8,512	$99.26	$94.57 - $104.65
Q2 2014	74,127	$8,253	$94.25	$89.51 - $98.33
Q1 2014	75,513	$8,155	$91.92	$85.62 - $98.30
Q4 2013	50,017	$5,215	$90.95	$84.34 - $94.74
Q3 2013	52,089	$5,144	$81.20	$74.57 - $86.97
Q2 2013	46,001	$3,919	$73.48	$68.51 - $77.84