ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

SECURITY NATIONAL BANK OF SO DAK's Holding History (CIK: 0001105909)

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

Q4 2021
Shares 1,293 Value ($000) $303 Avg Close $215.53 Range $199.33 - $227.72
Q3 2021
Shares 1,441 Value ($000) $301 Avg Close $208.54 Range $195.25 - $219.93
Q1 2021
Shares 1,348 Value ($000) $289 Avg Close $201.55 Range $190.45 - $215.84
Q4 2020
Shares 1,348 Value ($000) $292 Avg Close $197.47 Range $171.24 - $214.73
Q3 2020
Shares 1,364 Value ($000) $273 Avg Close $188.44 Range $172.53 - $201.15
Q2 2020
Shares 1,373 Value ($000) $273 Avg Close $182.16 Range $136.65 - $217.57
Q1 2020
Shares 1,373 Value ($000) $214 Avg Close $176.33 Range $117.17 - $198.13
Q4 2019
Shares 1,394 Value ($000) $269 Avg Close $177.67 Range $169.74 - $186.58
Q3 2019
Shares 1,410 Value ($000) $279 Avg Close $187.16 Range $179.22 - $195.89
Q2 2019
Shares 1,410 Value ($000) $278 Avg Close $173.21 Range $164.99 - $187.12
Q1 2019
Shares 1,410 Value ($000) $249 Avg Close $150.92 Range $131.24 - $169.66
Q4 2018
Shares 1,430 Value ($000) $211 Avg Close $141.48 Range $126.10 - $150.86
Q3 2018
Shares 1,430 Value ($000) $224 Avg Close $137.00 Range $128.06 - $148.09
Q2 2018
Shares 1,430 Value ($000) $201 Avg Close $132.91 Range $122.30 - $138.58