AVISTA CORP

Ticker: AVA CUSIP: 05379B107 Class: Common Stock

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q4 2025

Shares 95,653 Value ($000) $3,686 Avg Close $38.78 Range $36.05 - $41.60

Q3 2025

Shares 91,226 Value ($000) $3,449 Avg Close $36.47 Range $34.98 - $37.71

Q2 2025

Shares 91,290 Value ($000) $3,464 Avg Close $38.22 Range $35.57 - $41.49

Q1 2025

Shares 83,170 Value ($000) $3,482 Avg Close $36.27 Range $33.08 - $40.42

Q4 2024

Shares 84,216 Value ($000) $3,085 Avg Close $35.43 Range $33.54 - $37.30

Q3 2024

Shares 89,059 Value ($000) $3,451 Avg Close $35.26 Range $31.03 - $37.17

Q2 2024

Shares 89,069 Value ($000) $3,083 Avg Close $32.90 Range $30.23 - $35.65

Q1 2024

Shares 82,599 Value ($000) $2,893 Avg Close $30.96 Range $28.83 - $33.10

Q4 2023

Shares 82,473 Value ($000) $2,948 Avg Close $30.40 Range $27.22 - $33.43

Q3 2023

Shares 82,459 Value ($000) $2,669 Avg Close $31.62 Range $28.30 - $35.30

Q2 2023

Shares 89,060 Value ($000) $3,497 Avg Close $37.05 Range $33.57 - $39.26

Q1 2023

Shares 81,778 Value ($000) $3,471 Avg Close $35.81 Range $33.61 - $38.95

Q4 2022

Shares 92,649 Value ($000) $4,108 Avg Close $34.22 Range $30.37 - $38.57

Q3 2022

Shares 92,528 Value ($000) $3,428 Avg Close $35.39 Range $31.48 - $38.26

Q2 2022

Shares 92,355 Value ($000) $4,018 Avg Close $35.99 Range $32.85 - $38.84

Q1 2022

Shares 91,014 Value ($000) $4,109 Avg Close $36.52 Range $34.56 - $39.09

Q4 2021

Shares 87,241 Value ($000) $3,707 Avg Close $32.99 Range $30.79 - $35.25

Q3 2021

Shares 115,567 Value ($000) $4,521 Avg Close $34.00 Range $31.82 - $35.77

Q2 2021

Shares 128,196 Value ($000) $5,470 Avg Close $36.84 Range $34.08 - $39.14

Q1 2021

Shares 96,613 Value ($000) $4,613 Avg Close $32.79 Range $29.04 - $39.34

Q4 2020

Shares 138,628 Value ($000) $5,565 Avg Close $28.86 Range $25.27 - $32.25

Q3 2020

Shares 150,220 Value ($000) $5,126 Avg Close $28.20 Range $25.81 - $29.90

Q2 2020

Shares 176,681 Value ($000) $6,429 Avg Close $30.48 Range $25.82 - $35.07

Q1 2020

Shares 170,505 Value ($000) $7,245 Avg Close $36.73 Range $24.60 - $40.62

Q4 2019

Shares 169,255 Value ($000) $8,139 Avg Close $36.05 Range $34.67 - $37.62

Q3 2019

Shares 168,455 Value ($000) $8,160 Avg Close $34.88 Range $32.92 - $37.21

Q2 2019

Shares 187,495 Value ($000) $8,362 Avg Close $31.69 Range $29.92 - $33.70

Q1 2019

Shares 160,795 Value ($000) $6,531 Avg Close $30.30 Range $29.30 - $31.80

Q4 2018

Shares 252,692 Value ($000) $10,734 Avg Close $36.19 Range $30.77 - $38.41

Q3 2018

Shares 178,387 Value ($000) $9,019 Avg Close $37.08 Range $35.90 - $38.29

Q2 2018

Shares 123,652 Value ($000) $6,512 Avg Close $37.64 Range $36.23 - $38.27

Q1 2018

Shares 132,520 Value ($000) $6,792 Avg Close $36.12 Range $34.13 - $37.40

Q4 2017

Shares 146,876 Value ($000) $7,563 Avg Close $36.82 Range $36.30 - $37.16

Q3 2017

Shares 97,714 Value ($000) $5,059 Avg Close $35.25 Range $28.98 - $37.15

Q2 2017

Shares 99,114 Value ($000) $4,208 Avg Close $29.21 Range $26.74 - $31.26

Q1 2017

Shares 99,114 Value ($000) $3,870 Avg Close $27.19 Range $26.10 - $28.15

Q4 2016

Shares 99,220 Value ($000) $3,968 Avg Close $27.83 Range $26.71 - $29.71

Q3 2016

Shares 99,114 Value ($000) $4,142 Avg Close $28.97 Range $27.56 - $30.72

Q2 2016

Shares 99,114 Value ($000) $4,440 Avg Close $27.70 Range $25.92 - $30.44

Q1 2016

Shares 99,114 Value ($000) $4,042 Avg Close $25.24 Range $22.90 - $27.82

Q4 2015

Shares 99,114 Value ($000) $3,506 Avg Close $22.74 Range $21.53 - $25.21

Q3 2015

Shares 99,114 Value ($000) $3,296 Avg Close $20.96 Range $19.68 - $22.33

Q2 2015

Shares 99,254 Value ($000) $3,042 Avg Close $20.96 Range $19.69 - $22.33

Q1 2015

Shares 99,254 Value ($000) $3,393 Avg Close $22.48 Range $20.78 - $24.58

Q4 2014

Shares 98,854 Value ($000) $3,494 Avg Close $21.73 Range $19.40 - $23.96

Q3 2014

Shares 110,154 Value ($000) $3,363 Avg Close $20.15 Range $19.08 - $21.13

Q2 2014

Shares 110,154 Value ($000) $3,692 Avg Close $19.80 Range $18.69 - $21.12

Q1 2014

Shares 110,223 Value ($000) $3,378 Avg Close $18.00 Range $17.07 - $19.19

Q4 2013

Shares 110,171 Value ($000) $3,106 Avg Close $16.79 Range $15.77 - $17.52

Q3 2013

Shares 122,987 Value ($000) $3,247 Avg Close $16.58 Range $15.56 - $17.59

Q2 2013

Shares 122,954 Value ($000) $3,322 Avg Close $16.44 Range $15.47 - $17.44

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	95,653	$3,686	$38.78	$36.05 - $41.60
Q3 2025	91,226	$3,449	$36.47	$34.98 - $37.71
Q2 2025	91,290	$3,464	$38.22	$35.57 - $41.49
Q1 2025	83,170	$3,482	$36.27	$33.08 - $40.42
Q4 2024	84,216	$3,085	$35.43	$33.54 - $37.30
Q3 2024	89,059	$3,451	$35.26	$31.03 - $37.17
Q2 2024	89,069	$3,083	$32.90	$30.23 - $35.65
Q1 2024	82,599	$2,893	$30.96	$28.83 - $33.10
Q4 2023	82,473	$2,948	$30.40	$27.22 - $33.43
Q3 2023	82,459	$2,669	$31.62	$28.30 - $35.30
Q2 2023	89,060	$3,497	$37.05	$33.57 - $39.26
Q1 2023	81,778	$3,471	$35.81	$33.61 - $38.95
Q4 2022	92,649	$4,108	$34.22	$30.37 - $38.57
Q3 2022	92,528	$3,428	$35.39	$31.48 - $38.26
Q2 2022	92,355	$4,018	$35.99	$32.85 - $38.84
Q1 2022	91,014	$4,109	$36.52	$34.56 - $39.09
Q4 2021	87,241	$3,707	$32.99	$30.79 - $35.25
Q3 2021	115,567	$4,521	$34.00	$31.82 - $35.77
Q2 2021	128,196	$5,470	$36.84	$34.08 - $39.14
Q1 2021	96,613	$4,613	$32.79	$29.04 - $39.34
Q4 2020	138,628	$5,565	$28.86	$25.27 - $32.25
Q3 2020	150,220	$5,126	$28.20	$25.81 - $29.90
Q2 2020	176,681	$6,429	$30.48	$25.82 - $35.07
Q1 2020	170,505	$7,245	$36.73	$24.60 - $40.62
Q4 2019	169,255	$8,139	$36.05	$34.67 - $37.62
Q3 2019	168,455	$8,160	$34.88	$32.92 - $37.21
Q2 2019	187,495	$8,362	$31.69	$29.92 - $33.70
Q1 2019	160,795	$6,531	$30.30	$29.30 - $31.80
Q4 2018	252,692	$10,734	$36.19	$30.77 - $38.41
Q3 2018	178,387	$9,019	$37.08	$35.90 - $38.29
Q2 2018	123,652	$6,512	$37.64	$36.23 - $38.27
Q1 2018	132,520	$6,792	$36.12	$34.13 - $37.40
Q4 2017	146,876	$7,563	$36.82	$36.30 - $37.16
Q3 2017	97,714	$5,059	$35.25	$28.98 - $37.15
Q2 2017	99,114	$4,208	$29.21	$26.74 - $31.26
Q1 2017	99,114	$3,870	$27.19	$26.10 - $28.15
Q4 2016	99,220	$3,968	$27.83	$26.71 - $29.71
Q3 2016	99,114	$4,142	$28.97	$27.56 - $30.72
Q2 2016	99,114	$4,440	$27.70	$25.92 - $30.44
Q1 2016	99,114	$4,042	$25.24	$22.90 - $27.82
Q4 2015	99,114	$3,506	$22.74	$21.53 - $25.21
Q3 2015	99,114	$3,296	$20.96	$19.68 - $22.33
Q2 2015	99,254	$3,042	$20.96	$19.69 - $22.33
Q1 2015	99,254	$3,393	$22.48	$20.78 - $24.58
Q4 2014	98,854	$3,494	$21.73	$19.40 - $23.96
Q3 2014	110,154	$3,363	$20.15	$19.08 - $21.13
Q2 2014	110,154	$3,692	$19.80	$18.69 - $21.12
Q1 2014	110,223	$3,378	$18.00	$17.07 - $19.19
Q4 2013	110,171	$3,106	$16.79	$15.77 - $17.52
Q3 2013	122,987	$3,247	$16.58	$15.56 - $17.59
Q2 2013	122,954	$3,322	$16.44	$15.47 - $17.44