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NYSE · USD

AVA

AVISTA CORP

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145
SEC CIK
0000104918
Parsed reports
845

Last 12 months

Inside the activity.

0 purchase rows · 9 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202501
Dec 202503
Jan 202600
Feb 202601
Mar 202601
Apr 202600
May 202601
Jun 202600
Jul 202600
Aug 202600
Sep 202602
Oct 202600

Latest available

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
March 02, 2026 Filed Mar 3, 2026 23:44 UTC
Hill Latisha DianeVice President
Exercise / conversionCommon Stock - Performance Shares (CEPS) 1,051 Not disclosed Not disclosed
Disclosure

SEC source: 0000104918-26-000033 · primary_doc.xml · nonDerivative · entry 1

Hill Latisha Diane · CIK 0001798656 · Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,240.68

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: No conversion price. Shares awarded if performance measure is met.

Read SEC document
March 02, 2026 Filed Mar 3, 2026 23:40 UTC
Hesler Gregory CurtisSr V President/Corp Secretary
Exercise / conversionConversion of 2023 Performance Shares (CEPS) · Derivative 4,128 Not disclosed Not disclosed
Disclosure

SEC source: 0000104918-26-000032 · primary_doc.xml · derivative · entry 3

Hesler Gregory Curtis · CIK 0001798487 · Sr V President/Corp Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,128 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: No conversion price. Shares awarded if performance measure is met.

F1 · price: No conversion price. Shares awarded if performance measure is met.

F1 · derivative.exercise_date: No conversion price. Shares awarded if performance measure is met.

F1 · derivative.expiration_date: No conversion price. Shares awarded if performance measure is met.

Read SEC document
March 02, 2026 Filed Mar 3, 2026 23:40 UTC
Hesler Gregory CurtisSr V President/Corp Secretary
Tax withholdingCommon Stock - Performance Shares (CEPS) 403 $39.92 $16,087.76
Disclosure

SEC source: 0000104918-26-000032 · primary_doc.xml · nonDerivative · entry 2

Hesler Gregory Curtis · CIK 0001798487 · Sr V President/Corp Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,969.97

F2 · shares: Shares withheld to pay income tax on Performance Shares acquired 3/2/26.

Read SEC document
March 02, 2026 Filed Mar 3, 2026 23:40 UTC
Hesler Gregory CurtisSr V President/Corp Secretary
Exercise / conversionCommon Stock - Performance Shares (CEPS) 1,652 Not disclosed Not disclosed
Disclosure

SEC source: 0000104918-26-000032 · primary_doc.xml · nonDerivative · entry 1

Hesler Gregory Curtis · CIK 0001798487 · Sr V President/Corp Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,372.97

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: No conversion price. Shares awarded if performance measure is met.

Read SEC document
March 02, 2026 Filed Mar 3, 2026 23:36 UTC
DiLuciano Joshua DVice President
Exercise / conversionConversion of 2023 Performance Shares (CEPS) · Derivative 2,814 Not disclosed Not disclosed
Disclosure

SEC source: 0000104918-26-000031 · primary_doc.xml · derivative · entry 3

DiLuciano Joshua D · CIK 0001943093 · Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,814 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: No conversion price. Shares awarded if performance measure is met.

F1 · price: No conversion price. Shares awarded if performance measure is met.

F1 · derivative.exercise_date: No conversion price. Shares awarded if performance measure is met.

F1 · derivative.expiration_date: No conversion price. Shares awarded if performance measure is met.

Read SEC document
March 02, 2026 Filed Mar 3, 2026 23:36 UTC
DiLuciano Joshua DVice President
Tax withholdingCommon Stock - Performance Shares (CEPS) 274 $39.92 $10,938.08
Disclosure

SEC source: 0000104918-26-000031 · primary_doc.xml · nonDerivative · entry 2

DiLuciano Joshua D · CIK 0001943093 · Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,009.07

F2 · shares: Shares withheld to pay income tax on Performance Shares acquired 3/2/26.

Read SEC document
March 02, 2026 Filed Mar 3, 2026 23:36 UTC
DiLuciano Joshua DVice President
Exercise / conversionCommon Stock - Performance Shares (CEPS) 1,126 Not disclosed Not disclosed
Disclosure

SEC source: 0000104918-26-000031 · primary_doc.xml · nonDerivative · entry 1

DiLuciano Joshua D · CIK 0001943093 · Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,283.07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: No conversion price. Shares awarded if performance measure is met.

Read SEC document
March 02, 2026 Filed Mar 3, 2026 23:20 UTC
Cox Bryan AldenSenior Vice President
Exercise / conversionConversion of 2023 Performance Shares (CEPS) · Derivative 3,440 Not disclosed Not disclosed
Disclosure

SEC source: 0000104918-26-000030 · primary_doc.xml · derivative · entry 4

Cox Bryan Alden · CIK 0001724735 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,440 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: No conversion price. Shares awarded if performance measure is met.

F1 · price: No conversion price. Shares awarded if performance measure is met.

F1 · derivative.exercise_date: No conversion price. Shares awarded if performance measure is met.

F1 · derivative.expiration_date: No conversion price. Shares awarded if performance measure is met.

Read SEC document
March 02, 2026 Filed Mar 3, 2026 23:20 UTC
Cox Bryan AldenSenior Vice President
Tax withholdingCommon Stock - Performance Shares (CEPS) 336 $39.92 $13,413.12
Disclosure

SEC source: 0000104918-26-000030 · primary_doc.xml · nonDerivative · entry 2

Cox Bryan Alden · CIK 0001724735 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,441

F2 · shares: Shares withheld to pay income tax on Performance Shares acquired 3/2/26.

Read SEC document
March 02, 2026 Filed Mar 3, 2026 23:20 UTC
Cox Bryan AldenSenior Vice President
Exercise / conversionCommon Stock - Performance Shares (CEPS) 1,376 Not disclosed Not disclosed
Disclosure

SEC source: 0000104918-26-000030 · primary_doc.xml · nonDerivative · entry 1

Cox Bryan Alden · CIK 0001724735 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,777

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: No conversion price. Shares awarded if performance measure is met.

Read SEC document
March 02, 2026 Filed Mar 3, 2026 23:15 UTC
Christie Kevin JSVP, CFO & Treasurer
Exercise / conversionConversion of 2023 Performance Shares (CEPS) · Derivative 6,808 Not disclosed Not disclosed
Disclosure

SEC source: 0000104918-26-000029 · primary_doc.xml · derivative · entry 4

Christie Kevin J · CIK 0001633269 · SVP, CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,808 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: No conversion price. Shares awarded if performance measure is met.

F1 · price: No conversion price. Shares awarded if performance measure is met.

F1 · derivative.exercise_date: No conversion price. Shares awarded if performance measure is met.

F2 · derivative.expiration_date: Shares withheld to pay income tax on Performance Shares acquired 3/2/26.

Read SEC document
March 02, 2026 Filed Mar 3, 2026 23:15 UTC
Christie Kevin JSVP, CFO & Treasurer
Tax withholdingCommon Stock - Performance Shares (CEPS) 664 $39.92 $26,506.88
Disclosure

SEC source: 0000104918-26-000029 · primary_doc.xml · nonDerivative · entry 2

Christie Kevin J · CIK 0001633269 · SVP, CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,244

Read SEC document
March 02, 2026 Filed Mar 3, 2026 23:15 UTC
Christie Kevin JSVP, CFO & Treasurer
Exercise / conversionCommon Stock - Performance Shares (CEPS) 2,724 Not disclosed Not disclosed
Disclosure

SEC source: 0000104918-26-000029 · primary_doc.xml · nonDerivative · entry 1

Christie Kevin J · CIK 0001633269 · SVP, CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,908

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: No conversion price. Shares awarded if performance measure is met.

Read SEC document
March 02, 2026 Filed Mar 3, 2026 23:10 UTC
Alexander Alexis G.Vice President
Exercise / conversionConversion of 2023 Performance Shares (CEPS) · Derivative 642 Not disclosed Not disclosed
Disclosure

SEC source: 0000104918-26-000028 · primary_doc.xml · derivative · entry 3

Alexander Alexis G. · CIK 0002090772 · Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 642 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: No conversion price. Shares awarded if performance measure is met.

F1 · price: No conversion price. Shares awarded if performance measure is met.

F1 · derivative.exercise_date: No conversion price. Shares awarded if performance measure is met.

F1 · derivative.expiration_date: No conversion price. Shares awarded if performance measure is met.

Read SEC document
March 02, 2026 Filed Mar 3, 2026 23:10 UTC
Alexander Alexis G.Vice President
Tax withholdingCommon Stock - Performance Shares (CEPS) 79 $39.92 $3,153.68
Disclosure

SEC source: 0000104918-26-000028 · primary_doc.xml · nonDerivative · entry 2

Alexander Alexis G. · CIK 0002090772 · Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,485

F2 · shares: Shares withheld to pay income tax on Performance Shares acquired 3/2/26.

Read SEC document
March 02, 2026 Filed Mar 3, 2026 23:10 UTC
Alexander Alexis G.Vice President
Exercise / conversionCommon Stock - Performance Shares (CEPS) 257 Not disclosed Not disclosed
Disclosure

SEC source: 0000104918-26-000028 · primary_doc.xml · nonDerivative · entry 1

Alexander Alexis G. · CIK 0002090772 · Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,564

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: No conversion price. Shares awarded if performance measure is met.

Read SEC document
March 02, 2026 Filed Mar 4, 2026 15:22 UTC Amendment
Thackston Jason RSenior Vice President
Exercise / conversionConversion of 2023 Performance Shares (CEPS) · Derivative 5,128 Not disclosed Not disclosed
Disclosure

SEC source: 0000104918-26-000040 · primary_doc.xml · derivative · entry 3

Thackston Jason R · CIK 0001466555 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,128 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: No conversion price. Shares awarded if performance measure is met.

F1 · price: No conversion price. Shares awarded if performance measure is met.

F1 · derivative.exercise_date: No conversion price. Shares awarded if performance measure is met.

F1 · derivative.expiration_date: No conversion price. Shares awarded if performance measure is met.

Read SEC document
March 02, 2026 Filed Mar 4, 2026 15:22 UTC Amendment
Thackston Jason RSenior Vice President
Tax withholdingCommon Stock - Performance Shares (CEPS) 500 $39.92 $19,960.00
Disclosure

SEC source: 0000104918-26-000040 · primary_doc.xml · nonDerivative · entry 2

Thackston Jason R · CIK 0001466555 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,788

F2 · shares: Shares withheld to pay income tax on Performance Shares acquired 3/2/26.

F3 · balance_after: Correcting the total amount of shares after the transaction - had incorrectly added the wrong amount to the total.

Read SEC document
March 02, 2026 Filed Mar 4, 2026 15:22 UTC Amendment
Thackston Jason RSenior Vice President
Exercise / conversionCommon Stock - Performance Shares (CEPS) 2,052 Not disclosed Not disclosed
Disclosure

SEC source: 0000104918-26-000040 · primary_doc.xml · nonDerivative · entry 1

Thackston Jason R · CIK 0001466555 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,288

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: No conversion price. Shares awarded if performance measure is met.

F3 · balance_after: Correcting the total amount of shares after the transaction - had incorrectly added the wrong amount to the total.

Read SEC document
February 26, 2026 Filed Feb 26, 2026 21:20 UTC
Cox Bryan AldenSenior Vice President
SaleCommon Stock 1,768 $40.18 $71,040.18
Disclosure

SEC source: 0000104918-26-000027 · primary_doc.xml · nonDerivative · entry 1

Cox Bryan Alden · CIK 0001724735 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,401

Read SEC document
February 17, 2026 Filed Feb 18, 2026 18:48 UTC
MEYER DAVID JVP - Retired
OtherShares Held in Executive Deferral Plan 46.64 $42.68 $1,990.60
Disclosure

SEC source: 0000104918-26-000026 · primary_doc.xml · nonDerivative · entry 1

MEYER DAVID J · CIK 0001174958 · VP - Retired

10b5-1 filing: No plan indicated

Ownership: Indirect · Shares Held by Trustee

Disclosed balance after: 3,765.61

F1 · kind: Retirement withdrawal from Executive Deferral Plan - monthly payout

F1 · shares: Retirement withdrawal from Executive Deferral Plan - monthly payout

Read SEC document
February 09, 2026 Filed Feb 10, 2026 22:09 UTC
Thackston Jason RSenior Vice President
GrantPerformance Shares Grant - 2026 · Derivative 7,344 $40.99 $301,030.56
Disclosure

SEC source: 0000104918-26-000024 · primary_doc.xml · derivative · entry 2

Thackston Jason R · CIK 0001466555 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,344

Underlying: Common Stock · 7,344 shares

Expires not disclosed

F2 · derivative.exercise_price: No conversion price. Shares awarded if performance measure is met.

F3 · derivative.exercise_date: Each performance cycle is 3 years in length. Shares will be issued at the end of each 3-year cycle if performance measure is met.

F3 · derivative.expiration_date: Each performance cycle is 3 years in length. Shares will be issued at the end of each 3-year cycle if performance measure is met.

Read SEC document
February 09, 2026 Filed Feb 10, 2026 22:09 UTC
Thackston Jason RSenior Vice President
GrantCommon Stock - Restricted Shares Grant 2026 3,147 $40.99 $128,995.53
Disclosure

SEC source: 0000104918-26-000024 · primary_doc.xml · nonDerivative · entry 1

Thackston Jason R · CIK 0001466555 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,236

F1 · shares: Restricted Shares vest 1/3 each year over a 3-year period and are payable in Avista Corp. Common Stock at the end of each year in the 3-year period.

Read SEC document
February 09, 2026 Filed Feb 10, 2026 22:06 UTC GrantPerformance Shares Grant - 2026 · Derivative 49,526 $40.99 $2,030,070.74
Disclosure

SEC source: 0000104918-26-000023 · primary_doc.xml · derivative · entry 3

Rosentrater Heather Lynn · CIK 0001659415 · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,526

Underlying: Common Stock · 49,526 shares

Expires not disclosed

F2 · derivative.exercise_price: No conversion price. Shares awarded if performance measure is met.

F3 · derivative.exercise_date: Each performance cycle is 3 years in length. Shares will be issued at the end of each 3-year cycle if performance measure is met.

F3 · derivative.expiration_date: Each performance cycle is 3 years in length. Shares will be issued at the end of each 3-year cycle if performance measure is met.

Read SEC document
February 09, 2026 Filed Feb 10, 2026 22:06 UTC GrantCommon Stock - Restricted Shares Grant 2026 21,223 $40.99 $869,930.77
Disclosure

SEC source: 0000104918-26-000023 · primary_doc.xml · nonDerivative · entry 1

Rosentrater Heather Lynn · CIK 0001659415 · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,051

F1 · shares: Restricted Shares vest 1/3 each year over a 3-year period and are payable in Avista Corp. Common Stock at the end of each year in the 3-year period.

Read SEC document
February 09, 2026 Filed Feb 10, 2026 22:02 UTC
Manuel Wayne OSenior Vice President
GrantPerformance Shares Grant - 2026 · Derivative 5,807 $40.99 $238,028.93
Disclosure

SEC source: 0000104918-26-000022 · primary_doc.xml · derivative · entry 2

Manuel Wayne O · CIK 0001978840 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,807

Underlying: Common Stock · 5,807 shares

Expires not disclosed

F2 · derivative.exercise_price: No conversion price. Shares awarded if performance measure is met.

F3 · derivative.exercise_date: Each performance cycle is 3 years in length. Shares will be issued at the end of each 3-year cycle if performance measure is met.

F3 · derivative.expiration_date: Each performance cycle is 3 years in length. Shares will be issued at the end of each 3-year cycle if performance measure is met.

Read SEC document
February 09, 2026 Filed Feb 10, 2026 22:02 UTC
Manuel Wayne OSenior Vice President
GrantCommon Stock - Restricted Shares Grant 2026 2,488 $40.99 $101,983.12
Disclosure

SEC source: 0000104918-26-000022 · primary_doc.xml · nonDerivative · entry 1

Manuel Wayne O · CIK 0001978840 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,301.9874

F1 · shares: Restricted Shares vest 1/3 each year over a 3-year period and are payable in Avista Corp. Common Stock at the end of each year in the 3-year period.

Read SEC document
February 09, 2026 Filed Feb 10, 2026 21:59 UTC
Krasselt Ryan LVice President
GrantPerformance Shares Grant - 2026 · Derivative 3,588 $40.99 $147,072.12
Disclosure

SEC source: 0000104918-26-000021 · primary_doc.xml · derivative · entry 2

Krasselt Ryan L · CIK 0001654845 · Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,588

Underlying: Common Stock · 3,588 shares

Expires not disclosed

F2 · derivative.exercise_price: No conversion price. Shares awarded if performance measure is met.

F3 · derivative.exercise_date: Each performance cycle is 3 years in length. Shares will be issued at the end of each 3-year cycle if performance measure is met.

F3 · derivative.expiration_date: Each performance cycle is 3 years in length. Shares will be issued at the end of each 3-year cycle if performance measure is met.

Read SEC document
February 09, 2026 Filed Feb 10, 2026 21:59 UTC
Krasselt Ryan LVice President
GrantCommon Stock - Restricted Shares Grant 2026 1,536 $40.99 $62,960.64
Disclosure

SEC source: 0000104918-26-000021 · primary_doc.xml · nonDerivative · entry 1

Krasselt Ryan L · CIK 0001654845 · Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,741

F1 · shares: Restricted Shares vest 1/3 each year over a 3-year period and are payable in Avista Corp. Common Stock at the end of each year in the 3-year period.

Read SEC document
February 09, 2026 Filed Feb 10, 2026 21:56 UTC
Kinney Scott JVice President
GrantPerformance Shares Grant - 2026 · Derivative 4,783 $40.99 $196,055.17
Disclosure

SEC source: 0000104918-26-000020 · primary_doc.xml · derivative · entry 3

Kinney Scott J · CIK 0001943677 · Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,783

Underlying: Common Stock · 4,783 shares

Expires not disclosed

F2 · derivative.exercise_price: No conversion price. Shares awarded if performance measure is met.

F3 · derivative.exercise_date: Each performance cycle is 3 years in length. Shares will be issued at the end of each 3-year cycle if performance measure is met.

F3 · derivative.expiration_date: Each performance cycle is 3 years in length. Shares will be issued at the end of each 3-year cycle if performance measure is met.

Read SEC document
February 09, 2026 Filed Feb 10, 2026 21:56 UTC
Kinney Scott JVice President
GrantCommon Stock - Restricted Shares Grant 2026 2,048 $40.99 $83,947.52
Disclosure

SEC source: 0000104918-26-000020 · primary_doc.xml · nonDerivative · entry 1

Kinney Scott J · CIK 0001943677 · Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,566.7289

F1 · shares: Restricted Shares vest 1/3 each year over a 3-year period and are payable in Avista Corp. Common Stock at the end of each year in the 3-year period.

Read SEC document
February 09, 2026 Filed Feb 10, 2026 21:53 UTC
Hill Latisha DianeVice President
GrantPerformance Shares Grant - 2026 · Derivative 3,844 $40.99 $157,565.56
Disclosure

SEC source: 0000104918-26-000019 · primary_doc.xml · derivative · entry 3

Hill Latisha Diane · CIK 0001798656 · Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,844

Underlying: Common Stock · 3,844 shares

Expires not disclosed

F2 · derivative.exercise_price: No conversion price. Shares awarded if performance measure is met.

F3 · derivative.exercise_date: Each performance cycle is 3 years in length. Shares will be issued at the end of each 3-year cycle if performance measure is met.

F3 · derivative.expiration_date: Each performance cycle is 3 years in length. Shares will be issued at the end of each 3-year cycle if performance measure is met.

Read SEC document
February 09, 2026 Filed Feb 10, 2026 21:53 UTC
Hill Latisha DianeVice President
GrantCommon Stock - Restricted Shares Grant 2026 1,646 $40.99 $67,469.54
Disclosure

SEC source: 0000104918-26-000019 · primary_doc.xml · nonDerivative · entry 1

Hill Latisha Diane · CIK 0001798656 · Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,189.6809

F1 · shares: Restricted Shares vest 1/3 each year over a 3-year period and are payable in Avista Corp. Common Stock at the end of each year in the 3-year period.

Read SEC document
February 09, 2026 Filed Feb 10, 2026 21:50 UTC
Hesler Gregory CurtisSr V President/Corp Secretary
GrantPerformance Shares Grant - 2026 · Derivative 7,344 $40.99 $301,030.56
Disclosure

SEC source: 0000104918-26-000018 · primary_doc.xml · derivative · entry 2

Hesler Gregory Curtis · CIK 0001798487 · Sr V President/Corp Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,344

Underlying: Common Stock · 7,344 shares

Expires not disclosed

F2 · derivative.exercise_price: No conversion price. Shares awarded if performance measure is met.

F3 · derivative.exercise_date: Each performance cycle is 3 years in length. Shares will be issued at the end of each 3-year cycle if performance measure is met.

F3 · derivative.expiration_date: Each performance cycle is 3 years in length. Shares will be issued at the end of each 3-year cycle if performance measure is met.

Read SEC document
February 09, 2026 Filed Feb 10, 2026 21:50 UTC
Hesler Gregory CurtisSr V President/Corp Secretary
GrantCommon Stock - Restricted Shares Grant 2026 3,147 $40.99 $128,995.53
Disclosure

SEC source: 0000104918-26-000018 · primary_doc.xml · nonDerivative · entry 1

Hesler Gregory Curtis · CIK 0001798487 · Sr V President/Corp Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,720.9726

F1 · shares: Restricted Shares vest 1/3 each year over a 3-year period and are payable in Avista Corp. Common Stock at the end of each year in the 3-year period.

Read SEC document
February 09, 2026 Filed Feb 10, 2026 21:47 UTC
DiLuciano Joshua DVice President
GrantPerformance Shares Grant - 2026 · Derivative 4,100 $40.99 $168,059.00
Disclosure

SEC source: 0000104918-26-000017 · primary_doc.xml · derivative · entry 2

DiLuciano Joshua D · CIK 0001943093 · Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,100

Underlying: Common Stock · 4,100 shares

Expires not disclosed

F2 · derivative.exercise_price: No conversion price. Shares awarded if performance measure is met.

F3 · derivative.exercise_date: Each performance cycle is 3 years in length. Shares will be issued at the end of each 3-year cycle if performance measure is met.

F3 · derivative.expiration_date: Each performance cycle is 3 years in length. Shares will be issued at the end of each 3-year cycle if performance measure is met.

Read SEC document
February 09, 2026 Filed Feb 10, 2026 21:47 UTC
DiLuciano Joshua DVice President
GrantCommon Stock - Restricted Shares Grant 2026 1,756 $40.99 $71,978.44
Disclosure

SEC source: 0000104918-26-000017 · primary_doc.xml · nonDerivative · entry 1

DiLuciano Joshua D · CIK 0001943093 · Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,157.0699

F1 · shares: Restricted Shares vest 1/3 each year over a 3-year period and are payable in Avista Corp. Common Stock at the end of each year in the 3-year period.

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February 09, 2026 Filed Feb 10, 2026 21:44 UTC
Cox Bryan AldenSenior Vice President
GrantPerformance Shares Grant - 2026 · Derivative 5,807 $40.99 $238,028.93
Disclosure

SEC source: 0000104918-26-000016 · primary_doc.xml · derivative · entry 3

Cox Bryan Alden · CIK 0001724735 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,807

Underlying: Common Stock · 5,807 shares

Expires not disclosed

F2 · derivative.exercise_price: No conversion price. Shares awarded if performance measure is met.

F3 · derivative.exercise_date: Each performance cycle is 3 years in length. Shares will be issued at the end of each 3-year cycle if performance measure is met.

F3 · derivative.expiration_date: Each performance cycle is 3 years in length. Shares will be issued at the end of each 3-year cycle if performance measure is met.

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February 09, 2026 Filed Feb 10, 2026 21:44 UTC
Cox Bryan AldenSenior Vice President
GrantCommon Stock - Restricted Shares Grant 2026 2,488 $40.99 $101,983.12
Disclosure

SEC source: 0000104918-26-000016 · primary_doc.xml · nonDerivative · entry 1

Cox Bryan Alden · CIK 0001724735 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,169

F1 · shares: Restricted Shares vest 1/3 each year over a 3-year period and are payable in Avista Corp. Common Stock at the end of each year in the 3-year period.

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February 09, 2026 Filed Feb 10, 2026 21:40 UTC
Christie Kevin JSVP, CFO & Treasurer
GrantPerformance Shares Grant - 2026 · Derivative 12,468 $40.99 $511,063.32
Disclosure

SEC source: 0000104918-26-000015 · primary_doc.xml · derivative · entry 3

Christie Kevin J · CIK 0001633269 · SVP, CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,468

Underlying: Common Stock · 12,468 shares

Expires not disclosed

F2 · derivative.exercise_price: No conversion price. Shares awarded if performance measure is met.

F3 · derivative.exercise_date: Each performance cycle is 3 years in length. Shares will be issued at the end of each 3-year cycle if performance measure is met.

F3 · derivative.expiration_date: Each performance cycle is 3 years in length. Shares will be issued at the end of each 3-year cycle if performance measure is met.

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February 09, 2026 Filed Feb 10, 2026 21:40 UTC
Christie Kevin JSVP, CFO & Treasurer
GrantCommon Stock - Restricted Shares Grant 2026 5,342 $40.99 $218,968.58
Disclosure

SEC source: 0000104918-26-000015 · primary_doc.xml · nonDerivative · entry 1

Christie Kevin J · CIK 0001633269 · SVP, CFO & Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,184

F1 · shares: Restricted Shares vest 1/3 each year over a 3-year period and are payable in Avista Corp. Common Stock at the end of each year in the 3-year period.

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February 09, 2026 Filed Feb 10, 2026 21:34 UTC
Alexander Alexis G.Vice President
GrantPerformance Shares Grant - 2026 · Derivative 3,416 $40.99 $140,021.84
Disclosure

SEC source: 0000104918-26-000014 · primary_doc.xml · derivative · entry 2

Alexander Alexis G. · CIK 0002090772 · Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,416

Underlying: Common Stock · 3,416 shares

Expires not disclosed

F2 · derivative.exercise_price: No conversion price. Shares awarded if performance measure is met.

F3 · derivative.exercise_date: Each performance cycle is 3 years in length. Shares will be issued at the end of each 3-year cycle if performance measure is met.

F3 · derivative.expiration_date: Each performance cycle is 3 years in length. Shares will be issued at the end of each 3-year cycle if performance measure is met.

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February 09, 2026 Filed Feb 10, 2026 21:34 UTC
Alexander Alexis G.Vice President
GrantCommon Stock - Restricted Shares Grant 2026 1,464 $40.99 $60,009.36
Disclosure

SEC source: 0000104918-26-000014 · primary_doc.xml · nonDerivative · entry 1

Alexander Alexis G. · CIK 0002090772 · Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,307

F1 · shares: Restricted Shares vest 1/3 each year over a 3-year period and are payable in Avista Corp. Common Stock at the end of each year in the 3-year period.

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February 02, 2026 Filed Feb 4, 2026 22:35 UTC
MEYER DAVID JVP - Retired
Tax withholdingCommon Stock 417 $41.41 $17,267.97
Disclosure

SEC source: 0000104918-26-000013 · primary_doc.xml · nonDerivative · entry 1

MEYER DAVID J · CIK 0001174958 · VP - Retired

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,308.9851

F1 · shares: Shares sold to pay income tax on second 1/3 of 2024, first 1/3 of 2025 restricted shares that vested on February 2, 2026 for his retirement.

F2 · balance_after: Forfeiting 2,774 shares as they will not vest due to his retirement - this amount has been taken out of his holdings.

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January 15, 2026 Filed Feb 12, 2026 21:55 UTC
MEYER DAVID JVP - Retired
OtherShares Held in Executive Deferral Plan 46.16 $40.09 $1,850.55
Disclosure

SEC source: 0000104918-26-000025 · primary_doc.xml · nonDerivative · entry 1

MEYER DAVID J · CIK 0001174958 · VP - Retired

10b5-1 filing: No plan indicated

Ownership: Indirect · Shares Held by Trustee

Disclosed balance after: 2,774.38

F1 · kind: Retirement withdrawal from Executive Deferral Plan - monthly payout.

F1 · shares: Retirement withdrawal from Executive Deferral Plan - monthly payout.

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January 06, 2026 Filed Jan 8, 2026 19:55 UTC
Thackston Jason RSenior Vice President
Exercise / conversionConversion of 2023 Performance Shares (TSR) · Derivative 1,710 Not disclosed Not disclosed
Disclosure

SEC source: 0000104918-26-000012 · primary_doc.xml · derivative · entry 2

Thackston Jason R · CIK 0001466555 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,710 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: No conversion price. Shares awarded if performance measure is met.

F2 · price: No conversion price. Shares awarded if performance measure is met.

F2 · derivative.exercise_date: No conversion price. Shares awarded if performance measure is met.

F2 · derivative.expiration_date: No conversion price. Shares awarded if performance measure is met.

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January 06, 2026 Filed Jan 8, 2026 19:55 UTC
Thackston Jason RSenior Vice President
Tax withholdingCommon Stock 1,352 $38.95 $52,660.40
Disclosure

SEC source: 0000104918-26-000012 · primary_doc.xml · nonDerivative · entry 1

Thackston Jason R · CIK 0001466555 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,089

F1 · shares: Shares sold to pay income tax on final 1/3 of 2023, second 1/3 of 2024 and first 1/3 of 2025 restricted shares that vested on January 6, 2026.

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January 06, 2026 Filed Jan 8, 2026 19:52 UTC Exercise / conversionConversion of 2023 Performance Shares (TSR) · Derivative 2,293 Not disclosed Not disclosed
Disclosure

SEC source: 0000104918-26-000011 · primary_doc.xml · derivative · entry 3

Rosentrater Heather Lynn · CIK 0001659415 · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,293 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: No conversion price. Shares awarded if performance measure is met.

F2 · price: No conversion price. Shares awarded if performance measure is met.

F2 · derivative.exercise_date: No conversion price. Shares awarded if performance measure is met.

F2 · derivative.expiration_date: No conversion price. Shares awarded if performance measure is met.

Read SEC document
January 06, 2026 Filed Jan 8, 2026 19:52 UTC Tax withholdingCommon Stock 2,983 $38.95 $116,187.85
Disclosure

SEC source: 0000104918-26-000011 · primary_doc.xml · nonDerivative · entry 1

Rosentrater Heather Lynn · CIK 0001659415 · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,828

F1 · shares: Shares sold to pay income tax on final 1/3 of 2023, second 1/3 of 2024 and first 1/3 of 2025 restricted shares that vested on January 6, 2026.

Read SEC document
January 06, 2026 Filed Jan 8, 2026 19:47 UTC
MEYER DAVID JVP - Retired
Exercise / conversionConversion of 2023 Performance Shares (TSR) · Derivative 876 Not disclosed Not disclosed
Disclosure

SEC source: 0000104918-26-000010 · primary_doc.xml · derivative · entry 4

MEYER DAVID J · CIK 0001174958 · VP - Retired

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 876 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: No conversion price. Shares awarded if performance measure is met.

F2 · price: No conversion price. Shares awarded if performance measure is met.

F2 · derivative.exercise_date: No conversion price. Shares awarded if performance measure is met.

F2 · derivative.expiration_date: No conversion price. Shares awarded if performance measure is met.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.