WESTERN DIGITAL CORP

Ticker: WDC CUSIP: 958102105 Class: EQTY

BOKF, NA's Holding History (CIK: 0000009634)

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

Q4 2025

Shares 280 Value ($000) $48 Avg Close $151.55 Range $112.43 - $188.77

Q3 2025

Shares 272 Value ($000) $33 Avg Close $81.60 Range $62.82 - $122.49

Q2 2025

Shares 4 Value ($000) $0 Avg Close $47.46 Range $28.72 - $64.21

Q1 2025

Shares 37 Value ($000) $1 Avg Close $47.25 Range $38.95 - $54.41

Q3 2024

Shares 6 Value ($000) $0 Avg Close $50.34 Range $39.73 - $60.52

Q1 2024

Shares 33 Value ($000) $2 Avg Close $43.62 Range $36.87 - $52.17

Q4 2023

Shares 120 Value ($000) $6 Avg Close $34.87 Range $26.82 - $40.07

Q2 2023

Shares 32,622 Value ($000) $1,237 Avg Close $27.71 Range $24.07 - $31.23

Q1 2023

Shares 40,225 Value ($000) $1,515 Avg Close $29.22 Range $23.31 - $34.06

Q4 2022

Shares 62,899 Value ($000) $1,984 Avg Close $26.28 Range $22.39 - $30.85

Q3 2022

Shares 76,596 Value ($000) $2,494 Avg Close $33.07 Range $23.76 - $38.36

Q2 2022

Shares 47,557 Value ($000) $2,132 Avg Close $40.01 Range $32.99 - $47.63

Q1 2022

Shares 54,902 Value ($000) $2,726 Avg Close $40.89 Range $33.02 - $52.23

Q1 2021

Shares 11,221 Value ($000) $749 Avg Close $46.58 Range $36.61 - $54.95

Q4 2020

Shares 17,870 Value ($000) $990 Avg Close $33.07 Range $26.57 - $42.13

Q3 2020

Shares 17,628 Value ($000) $645 Avg Close $29.61 Range $25.25 - $35.68

Q4 2019

Shares 9,045 Value ($000) $574 Avg Close $40.69 Range $34.40 - $46.90

Q3 2019

Shares 8,364 Value ($000) $499 Avg Close $41.27 Range $34.56 - $47.73

Q2 2019

Shares 15,716 Value ($000) $748 Avg Close $32.78 Range $25.73 - $40.13

Q1 2019

Shares 12,637 Value ($000) $607 Avg Close $32.38 Range $25.03 - $38.16

Q2 2018

Shares 9,977 Value ($000) $772 Avg Close $58.47 Range $52.75 - $64.87

Q1 2018

Shares 9,809 Value ($000) $905 Avg Close $61.52 Range $53.81 - $73.88

Q4 2017

Shares 16,311 Value ($000) $1,297 Avg Close $58.49 Range $52.57 - $64.05

Q3 2017

Shares 16,365 Value ($000) $1,414 Avg Close $59.93 Range $53.45 - $65.37

Q2 2017

Shares 17,484 Value ($000) $1,549 Avg Close $59.68 Range $54.65 - $64.49

Q1 2017

Shares 9,913 Value ($000) $818 Avg Close $51.29 Range $46.27 - $57.21

Q4 2016

Shares 10,325 Value ($000) $702 Avg Close $40.87 Range $34.90 - $48.23

Q3 2016

Shares 10,211 Value ($000) $597 Avg Close $33.13 Range $28.62 - $40.10

Q2 2016

Shares 11,656 Value ($000) $551 Avg Close $28.61 Range $22.97 - $33.66

Q1 2016

Shares 10,891 Value ($000) $514 Avg Close $30.76 Range $25.11 - $39.62

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	280	$48	$151.55	$112.43 - $188.77
Q3 2025	272	$33	$81.60	$62.82 - $122.49
Q2 2025	4	$0	$47.46	$28.72 - $64.21
Q1 2025	37	$1	$47.25	$38.95 - $54.41
Q3 2024	6	$0	$50.34	$39.73 - $60.52
Q1 2024	33	$2	$43.62	$36.87 - $52.17
Q4 2023	120	$6	$34.87	$26.82 - $40.07
Q2 2023	32,622	$1,237	$27.71	$24.07 - $31.23
Q1 2023	40,225	$1,515	$29.22	$23.31 - $34.06
Q4 2022	62,899	$1,984	$26.28	$22.39 - $30.85
Q3 2022	76,596	$2,494	$33.07	$23.76 - $38.36
Q2 2022	47,557	$2,132	$40.01	$32.99 - $47.63
Q1 2022	54,902	$2,726	$40.89	$33.02 - $52.23
Q1 2021	11,221	$749	$46.58	$36.61 - $54.95
Q4 2020	17,870	$990	$33.07	$26.57 - $42.13
Q3 2020	17,628	$645	$29.61	$25.25 - $35.68
Q4 2019	9,045	$574	$40.69	$34.40 - $46.90
Q3 2019	8,364	$499	$41.27	$34.56 - $47.73
Q2 2019	15,716	$748	$32.78	$25.73 - $40.13
Q1 2019	12,637	$607	$32.38	$25.03 - $38.16
Q2 2018	9,977	$772	$58.47	$52.75 - $64.87
Q1 2018	9,809	$905	$61.52	$53.81 - $73.88
Q4 2017	16,311	$1,297	$58.49	$52.57 - $64.05
Q3 2017	16,365	$1,414	$59.93	$53.45 - $65.37
Q2 2017	17,484	$1,549	$59.68	$54.65 - $64.49
Q1 2017	9,913	$818	$51.29	$46.27 - $57.21
Q4 2016	10,325	$702	$40.87	$34.90 - $48.23
Q3 2016	10,211	$597	$33.13	$28.62 - $40.10
Q2 2016	11,656	$551	$28.61	$22.97 - $33.66
Q1 2016	10,891	$514	$30.76	$25.11 - $39.62