UNION PAC CORP

Ticker: UNP CUSIP: 907818108 Class: Common Stock

Chesley Taft & Associates LLC's Holding History (CIK: 0001164632)

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

Q4 2025

Shares 48,018 Value ($000) $11,108 Avg Close $227.32 Range $214.28 - $241.52

Q3 2025

Shares 49,499 Value ($000) $11,700 Avg Close $223.15 Range $209.61 - $237.85

Q2 2025

Shares 50,264 Value ($000) $11,565 Avg Close $218.47 Range $200.99 - $234.23

Q1 2025

Shares 49,864 Value ($000) $11,780 Avg Close $235.58 Range $217.31 - $250.85

Q4 2024

Shares 50,214 Value ($000) $11,451 Avg Close $230.22 Range $216.69 - $244.44

Q3 2024

Shares 50,645 Value ($000) $12,483 Avg Close $234.64 Range $213.12 - $250.61

Q2 2024

Shares 50,975 Value ($000) $11,534 Avg Close $225.50 Range $211.11 - $239.06

Q1 2024

Shares 50,990 Value ($000) $12,540 Avg Close $235.59 Range $224.05 - $247.16

Q4 2023

Shares 51,135 Value ($000) $12,560 Avg Close $209.24 Range $189.41 - $236.01

Q3 2023

Shares 42,960 Value ($000) $8,748 Avg Close $206.15 Range $189.41 - $227.18

Q2 2023

Shares 43,669 Value ($000) $8,936 Avg Close $187.00 Range $178.63 - $195.46

Q1 2023

Shares 44,696 Value ($000) $8,996 Avg Close $189.39 Range $172.36 - $202.21

Q4 2022

Shares 59,101 Value ($000) $12,238 Avg Close $190.19 Range $170.17 - $205.38

Q3 2022

Shares 58,677 Value ($000) $11,431 Avg Close $204.23 Range $180.38 - $223.25

Q2 2022

Shares 58,337 Value ($000) $12,442 Avg Close $208.79 Range $188.11 - $251.31

Q1 2022

Shares 58,772 Value ($000) $14,403 Avg Close $230.57 Range $215.79 - $255.44

Q4 2021

Shares 58,907 Value ($000) $14,840 Avg Close $214.98 Range $178.93 - $230.85

Q3 2021

Shares 58,842 Value ($000) $11,534 Avg Close $195.24 Range $177.47 - $206.45

Q2 2021

Shares 59,047 Value ($000) $12,986 Avg Close $200.38 Range $193.61 - $207.73

Q1 2021

Shares 57,812 Value ($000) $12,919 Avg Close $188.09 Range $172.69 - $201.16

Q4 2020

Shares 57,477 Value ($000) $11,968 Avg Close $178.06 Range $152.62 - $187.90

Q3 2020

Shares 57,268 Value ($000) $11,274 Avg Close $164.87 Range $145.81 - $183.13

Q2 2020

Shares 47,003 Value ($000) $7,947 Avg Close $141.44 Range $116.67 - $166.32

Q1 2020

Shares 48,028 Value ($000) $6,774 Avg Close $144.98 Range $92.53 - $165.42

Q4 2019

Shares 49,013 Value ($000) $8,861 Avg Close $149.35 Range $129.80 - $158.96

Q3 2019

Shares 50,838 Value ($000) $8,235 Avg Close $145.81 Range $135.51 - $156.22

Q2 2019

Shares 51,850 Value ($000) $8,768 Avg Close $147.77 Range $141.48 - $154.96

Q1 2019

Shares 46,195 Value ($000) $7,724 Avg Close $138.09 Range $113.18 - $147.67

Q4 2018

Shares 47,333 Value ($000) $6,543 Avg Close $126.42 Range $109.68 - $140.54

Q3 2018

Shares 48,668 Value ($000) $7,925 Avg Close $127.79 Range $115.79 - $141.09

Q2 2018

Shares 49,353 Value ($000) $6,992 Avg Close $117.74 Range $106.53 - $125.68

Q1 2018

Shares 50,003 Value ($000) $6,722 Avg Close $113.06 Range $101.65 - $119.96

Q4 2017

Shares 50,305 Value ($000) $6,746 Avg Close $100.79 Range $90.65 - $114.32

Q3 2017

Shares 49,580 Value ($000) $5,750 Avg Close $89.12 Range $83.79 - $97.51

Q2 2017

Shares 48,850 Value ($000) $5,320 Avg Close $90.11 Range $85.85 - $94.94

Q1 2017

Shares 42,875 Value ($000) $4,541 Avg Close $87.64 Range $82.97 - $91.31

Q4 2016

Shares 45,075 Value ($000) $4,673 Avg Close $80.32 Range $70.95 - $87.41

Q3 2016

Shares 45,205 Value ($000) $4,409 Avg Close $75.95 Range $69.69 - $79.87

Q2 2016

Shares 47,965 Value ($000) $4,185 Avg Close $68.24 Range $62.21 - $73.04

Q1 2016

Shares 46,365 Value ($000) $3,688 Avg Close $61.97 Range $53.60 - $68.66

Q4 2015

Shares 100,620 Value ($000) $7,868 Avg Close $68.29 Range $59.78 - $78.05

Q3 2015

Shares 114,760 Value ($000) $10,146 Avg Close $72.17 Range $62.57 - $78.67

Q2 2015

Shares 114,020 Value ($000) $10,874 Avg Close $81.98 Range $74.88 - $88.24

Q1 2015

Shares 127,790 Value ($000) $13,841 Avg Close $91.85 Range $83.77 - $97.28

Q4 2014

Shares 136,025 Value ($000) $16,205 Avg Close $89.46 Range $74.83 - $96.18

Q3 2014

Shares 179,238 Value ($000) $19,433 Avg Close $80.32 Range $74.93 - $85.79

Q2 2014

Shares 186,858 Value ($000) $18,639 Avg Close $74.77 Range $69.66 - $79.38

Q1 2014

Shares 93,474 Value ($000) $17,541 Avg Close $68.27 Range $63.27 - $73.42

Q4 2013

Shares 93,554 Value ($000) $15,717 Avg Close $60.55 Range $56.95 - $64.52

Q3 2013

Shares 93,714 Value ($000) $14,558 Avg Close $60.12 Range $58.03 - $62.72

Q2 2013

Shares 93,932 Value ($000) $14,492 Avg Close $57.06 Range $51.32 - $60.86

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	48,018	$11,108	$227.32	$214.28 - $241.52
Q3 2025	49,499	$11,700	$223.15	$209.61 - $237.85
Q2 2025	50,264	$11,565	$218.47	$200.99 - $234.23
Q1 2025	49,864	$11,780	$235.58	$217.31 - $250.85
Q4 2024	50,214	$11,451	$230.22	$216.69 - $244.44
Q3 2024	50,645	$12,483	$234.64	$213.12 - $250.61
Q2 2024	50,975	$11,534	$225.50	$211.11 - $239.06
Q1 2024	50,990	$12,540	$235.59	$224.05 - $247.16
Q4 2023	51,135	$12,560	$209.24	$189.41 - $236.01
Q3 2023	42,960	$8,748	$206.15	$189.41 - $227.18
Q2 2023	43,669	$8,936	$187.00	$178.63 - $195.46
Q1 2023	44,696	$8,996	$189.39	$172.36 - $202.21
Q4 2022	59,101	$12,238	$190.19	$170.17 - $205.38
Q3 2022	58,677	$11,431	$204.23	$180.38 - $223.25
Q2 2022	58,337	$12,442	$208.79	$188.11 - $251.31
Q1 2022	58,772	$14,403	$230.57	$215.79 - $255.44
Q4 2021	58,907	$14,840	$214.98	$178.93 - $230.85
Q3 2021	58,842	$11,534	$195.24	$177.47 - $206.45
Q2 2021	59,047	$12,986	$200.38	$193.61 - $207.73
Q1 2021	57,812	$12,919	$188.09	$172.69 - $201.16
Q4 2020	57,477	$11,968	$178.06	$152.62 - $187.90
Q3 2020	57,268	$11,274	$164.87	$145.81 - $183.13
Q2 2020	47,003	$7,947	$141.44	$116.67 - $166.32
Q1 2020	48,028	$6,774	$144.98	$92.53 - $165.42
Q4 2019	49,013	$8,861	$149.35	$129.80 - $158.96
Q3 2019	50,838	$8,235	$145.81	$135.51 - $156.22
Q2 2019	51,850	$8,768	$147.77	$141.48 - $154.96
Q1 2019	46,195	$7,724	$138.09	$113.18 - $147.67
Q4 2018	47,333	$6,543	$126.42	$109.68 - $140.54
Q3 2018	48,668	$7,925	$127.79	$115.79 - $141.09
Q2 2018	49,353	$6,992	$117.74	$106.53 - $125.68
Q1 2018	50,003	$6,722	$113.06	$101.65 - $119.96
Q4 2017	50,305	$6,746	$100.79	$90.65 - $114.32
Q3 2017	49,580	$5,750	$89.12	$83.79 - $97.51
Q2 2017	48,850	$5,320	$90.11	$85.85 - $94.94
Q1 2017	42,875	$4,541	$87.64	$82.97 - $91.31
Q4 2016	45,075	$4,673	$80.32	$70.95 - $87.41
Q3 2016	45,205	$4,409	$75.95	$69.69 - $79.87
Q2 2016	47,965	$4,185	$68.24	$62.21 - $73.04
Q1 2016	46,365	$3,688	$61.97	$53.60 - $68.66
Q4 2015	100,620	$7,868	$68.29	$59.78 - $78.05
Q3 2015	114,760	$10,146	$72.17	$62.57 - $78.67
Q2 2015	114,020	$10,874	$81.98	$74.88 - $88.24
Q1 2015	127,790	$13,841	$91.85	$83.77 - $97.28
Q4 2014	136,025	$16,205	$89.46	$74.83 - $96.18
Q3 2014	179,238	$19,433	$80.32	$74.93 - $85.79
Q2 2014	186,858	$18,639	$74.77	$69.66 - $79.38
Q1 2014	93,474	$17,541	$68.27	$63.27 - $73.42
Q4 2013	93,554	$15,717	$60.55	$56.95 - $64.52
Q3 2013	93,714	$14,558	$60.12	$58.03 - $62.72
Q2 2013	93,932	$14,492	$57.06	$51.32 - $60.86