COLLAWN PATRICIA K

SEC source: 0001083786-26-000012 · wk-form4_1787000399.xml · derivative · entry 1

COLLAWN PATRICIA K · CIK 0001083786 · Director · EXECUTIVE CHAIR

10b5-1 filing: No plan indicated

Ownership: Indirect · TXNM Common Stock Fund - TXNM Energy, Inc. Executive Savings Plan II

Disclosed balance after: 98,591

Underlying: Common Stock · 739 shares

Expires not disclosed

F1 · derivative.exercise_price: The security converts to common stock on a one-for-one basis.

F2 · shares: Reflects the amount of phantom stock shares acquired under the TXNM Energy, Inc. Executive Savings Plan II through notational dividend reinvestment on the cash dividend payment date of August 14, 2026.

F3 · derivative.exercise_date: The phantom stock shares were acquired under the TXNM Energy, Inc. Executive Savings Plan II, and will settle upon the Reporting Person's retirement or other termination of service.

F3 · derivative.expiration_date: The phantom stock shares were acquired under the TXNM Energy, Inc. Executive Savings Plan II, and will settle upon the Reporting Person's retirement or other termination of service.

SEC source: 0001083786-26-000010 · wk-form4_1779205651.xml · derivative · entry 1

COLLAWN PATRICIA K · CIK 0001083786 · Director · EXECUTIVE CHAIR

10b5-1 filing: No plan indicated

Ownership: Indirect · TXNM Common Stock Fund - TXNM Energy, Inc. Executive Savings Plan II

Disclosed balance after: 97,852

Underlying: Common Stock · 691 shares

Expires not disclosed

F1 · derivative.exercise_price: The security converts to common stock on a one-for-one basis.

F2 · shares: Reflects the amount of phantom stock shares acquired under the TXNM Energy, Inc. Executive Savings Plan II through notational dividend reinvestment on the cash dividend payment date of May 15, 2026.

F3 · derivative.exercise_date: The phantom stock shares were acquired under the TXNM Energy, Inc. Executive Savings Plan II, and will settle upon the Reporting Person's retirement or other termination of service.

F3 · derivative.expiration_date: The phantom stock shares were acquired under the TXNM Energy, Inc. Executive Savings Plan II, and will settle upon the Reporting Person's retirement or other termination of service.

SEC source: 0001083786-26-000008 · wk-form4_1778882665.xml · nonDerivative · entry 1

COLLAWN PATRICIA K · CIK 0001083786 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,873

F1 · price: These shares were issued as a deferred stock unit grant and therefore no consideration was given by the Reporting Person. Each deferred stock unit represents the right to receive one share of the Company's common stock.

SEC source: 0001083786-26-000006 · wk-form4_1773089619.xml · derivative · entry 9

COLLAWN PATRICIA K · CIK 0001083786 · Director · EXECUTIVE CHAIR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,417

Underlying: Common Stock · 7,248 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.

F3 · derivative.exercise_price: Each restricted stock right represents a contingent right to receive one share of TXNM Energy, Inc. common stock.

F4 · derivative.exercise_date: The restricted stock units vest in three equal annual installments. Vested shares will be delivered to the reporting person on the applicable vesting dates (or, if the company is in a blackout period under its insider trading policy on any vesting date, at a later date after such blackout period ends).

F4 · derivative.expiration_date: The restricted stock units vest in three equal annual installments. Vested shares will be delivered to the reporting person on the applicable vesting dates (or, if the company is in a blackout period under its insider trading policy on any vesting date, at a later date after such blackout period ends).

SEC source: 0001083786-26-000006 · wk-form4_1773089619.xml · derivative · entry 8

COLLAWN PATRICIA K · CIK 0001083786 · Director · EXECUTIVE CHAIR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,665

Underlying: Common Stock · 8,577 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.

F3 · derivative.exercise_price: Each restricted stock right represents a contingent right to receive one share of TXNM Energy, Inc. common stock.

F4 · derivative.exercise_date: The restricted stock units vest in three equal annual installments. Vested shares will be delivered to the reporting person on the applicable vesting dates (or, if the company is in a blackout period under its insider trading policy on any vesting date, at a later date after such blackout period ends).

F4 · derivative.expiration_date: The restricted stock units vest in three equal annual installments. Vested shares will be delivered to the reporting person on the applicable vesting dates (or, if the company is in a blackout period under its insider trading policy on any vesting date, at a later date after such blackout period ends).

SEC source: 0001083786-26-000006 · wk-form4_1773089619.xml · derivative · entry 7

COLLAWN PATRICIA K · CIK 0001083786 · Director · EXECUTIVE CHAIR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,242

Underlying: Common Stock · 6,019 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.

F3 · derivative.exercise_price: Each restricted stock right represents a contingent right to receive one share of TXNM Energy, Inc. common stock.

F4 · derivative.exercise_date: The restricted stock units vest in three equal annual installments. Vested shares will be delivered to the reporting person on the applicable vesting dates (or, if the company is in a blackout period under its insider trading policy on any vesting date, at a later date after such blackout period ends).

F4 · derivative.expiration_date: The restricted stock units vest in three equal annual installments. Vested shares will be delivered to the reporting person on the applicable vesting dates (or, if the company is in a blackout period under its insider trading policy on any vesting date, at a later date after such blackout period ends).

SEC source: 0001083786-26-000006 · wk-form4_1773089619.xml · nonDerivative · entry 6

COLLAWN PATRICIA K · CIK 0001083786 · Director · EXECUTIVE CHAIR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 776,472

F2 · security: Represents shares withheld by TXNM Energy, Inc. (the "Company") to satisfy the tax withholding obligations arising in connection with the settlement of equity awards. The Company utilizes a modified "share withholding" approach in connection with settling equity awards, in which it (i) withholds (in cash) an amount to satisfy tax withholding obligations and remits such amount to the relevant tax authorities, and (ii) directs a designated broker to purchase on the open market the number of shares of the Company's common stock that can be acquired with the after-tax value of equity awards at the prevailing market price. Only these "net shares" are delivered to the recipient of the equity awards.

SEC source: 0001083786-26-000006 · wk-form4_1773089619.xml · nonDerivative · entry 5

COLLAWN PATRICIA K · CIK 0001083786 · Director · EXECUTIVE CHAIR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 779,752

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 · security: Represents the portion of previous awards of restricted stock rights that vested effective as of March 7, 2026.

SEC source: 0001083786-26-000006 · wk-form4_1773089619.xml · nonDerivative · entry 4

COLLAWN PATRICIA K · CIK 0001083786 · Director · EXECUTIVE CHAIR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 772,504

F2 · security: Represents shares withheld by TXNM Energy, Inc. (the "Company") to satisfy the tax withholding obligations arising in connection with the settlement of equity awards. The Company utilizes a modified "share withholding" approach in connection with settling equity awards, in which it (i) withholds (in cash) an amount to satisfy tax withholding obligations and remits such amount to the relevant tax authorities, and (ii) directs a designated broker to purchase on the open market the number of shares of the Company's common stock that can be acquired with the after-tax value of equity awards at the prevailing market price. Only these "net shares" are delivered to the recipient of the equity awards.

SEC source: 0001083786-26-000006 · wk-form4_1773089619.xml · nonDerivative · entry 3

COLLAWN PATRICIA K · CIK 0001083786 · Director · EXECUTIVE CHAIR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 776,386

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 · security: Represents the portion of previous awards of restricted stock rights that vested effective as of March 7, 2026.

SEC source: 0001083786-26-000006 · wk-form4_1773089619.xml · nonDerivative · entry 2

COLLAWN PATRICIA K · CIK 0001083786 · Director · EXECUTIVE CHAIR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 767,809

F2 · security: Represents shares withheld by TXNM Energy, Inc. (the "Company") to satisfy the tax withholding obligations arising in connection with the settlement of equity awards. The Company utilizes a modified "share withholding" approach in connection with settling equity awards, in which it (i) withholds (in cash) an amount to satisfy tax withholding obligations and remits such amount to the relevant tax authorities, and (ii) directs a designated broker to purchase on the open market the number of shares of the Company's common stock that can be acquired with the after-tax value of equity awards at the prevailing market price. Only these "net shares" are delivered to the recipient of the equity awards.

SEC source: 0001083786-26-000006 · wk-form4_1773089619.xml · nonDerivative · entry 1

COLLAWN PATRICIA K · CIK 0001083786 · Director · EXECUTIVE CHAIR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 770,533

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 · security: Represents the portion of previous awards of restricted stock rights that vested effective as of March 7, 2026.

SEC source: 0001083786-26-000004 · wk-form4_1772666297.xml · derivative · entry 1

COLLAWN PATRICIA K · CIK 0001083786 · Director · EXECUTIVE CHAIR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,261

Underlying: Common Stock · 13,127 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock right represents a contingent right to receive one share of TXNM Energy, Inc. common stock.

F2 · derivative.exercise_date: The restricted stock units vest in three equal annual installments. Vested shares will be delivered to the reporting person on the applicable vesting dates (or, if the company is in a blackout period under its insider trading policy on any vesting date, at a later date after such blackout period ends).

F2 · derivative.expiration_date: The restricted stock units vest in three equal annual installments. Vested shares will be delivered to the reporting person on the applicable vesting dates (or, if the company is in a blackout period under its insider trading policy on any vesting date, at a later date after such blackout period ends).

SEC source: 0001083786-26-000002 · wk-form4_1771364785.xml · derivative · entry 1

COLLAWN PATRICIA K · CIK 0001083786 · Director · EXECUTIVE CHAIR

10b5-1 filing: No plan indicated

Ownership: Indirect · TXNM Common Stock Fund - TXNM Energy, Inc. Executive Savings Plan II

Disclosed balance after: 97,161

Underlying: Common Stock · 674 shares

Expires not disclosed

F1 · derivative.exercise_price: The security converts to common stock on a one-for-one basis.

F2 · shares: Reflects the amount of phantom stock shares acquired under the TXNM Energy, Inc. Executive Savings Plan II through notational dividend reinvestment on the cash dividend payment date of February 13, 2026.

F3 · derivative.exercise_date: The phantom stock shares were acquired under the TXNM Energy, Inc. Executive Savings Plan II, and will settle upon the Reporting Person's retirement or other termination of service.

F3 · derivative.expiration_date: The phantom stock shares were acquired under the TXNM Energy, Inc. Executive Savings Plan II, and will settle upon the Reporting Person's retirement or other termination of service.

SEC source: 0001083786-25-000007 · wk-form4_1766091043.xml · nonDerivative · entry 2

COLLAWN PATRICIA K · CIK 0001083786 · Director · EXECUTIVE CHAIR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 764,514

F2 · security: Represents shares withheld by TXNM Energy, Inc. (the "Company") to satisfy the tax withholding obligations arising in connection with the settlement of equity awards. The Company utilizes a modified "share withholding" approach in connection with settling equity awards, in which it (i) withholds (in cash) an amount to satisfy tax withholding obligations and remits such amount to the relevant tax authorities, and (ii) directs a designated broker to purchase on the open market the number of shares of the Company's common stock that can be acquired with the after-tax value of equity awards at the prevailing market price. Only these "net shares" are delivered to the recipient of the equity awards.

SEC source: 0001083786-25-000007 · wk-form4_1766091043.xml · nonDerivative · entry 1

COLLAWN PATRICIA K · CIK 0001083786 · Director · EXECUTIVE CHAIR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 776,877

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 · security: Represents vesting of performance shares earned for the 2023 - 2025 performance period based on preliminary results of achievement of applicable performance measures.

SEC source: 0001083786-25-000005 · wk-form4_1763504139.xml · derivative · entry 1

COLLAWN PATRICIA K · CIK 0001083786 · Director · EXECUTIVE CHAIR

10b5-1 filing: No plan indicated

Ownership: Indirect · TXNM Common Stock Fund - TXNM Energy, Inc. Executive Savings Plan II

Disclosed balance after: 96,487

Underlying: Common Stock · 672 shares

Expires not disclosed

F1 · derivative.exercise_price: The security converts to common stock on a one-for-one basis.

F2 · shares: Reflects the amount of phantom stock shares acquired under the TXNM Energy, Inc. Executive Savings Plan II through notational dividend reinvestment on the cash dividend payment date of November 14, 2025.

F3 · derivative.exercise_date: The phantom stock shares were acquired under the TXNM Energy, Inc. Executive Savings Plan II, and will settle upon the Reporting Person's retirement or other termination of service.

F3 · derivative.expiration_date: The phantom stock shares were acquired under the TXNM Energy, Inc. Executive Savings Plan II, and will settle upon the Reporting Person's retirement or other termination of service.

SEC source: 0001083786-25-000003 · wk-form4_1756151947.xml · derivative · entry 1

COLLAWN PATRICIA K · CIK 0001083786 · Director · EXECUTIVE CHAIR

10b5-1 filing: No plan indicated

Ownership: Indirect · TXNM Common Stock Fund - TXNM Energy, Inc. Executive Savings Plan II

Disclosed balance after: 95,815

Underlying: Common Stock · 657 shares

Expires not disclosed

F1 · derivative.exercise_price: The security converts to common stock on a one-for-one basis.

F2 · shares: Reflects the amount of phantom stock shares acquired under the TXNM Energy, Inc. Executive Savings Plan II through notational dividend reinvestment on the cash dividend payment date of August 22, 2025.

F3 · derivative.exercise_date: The phantom stock shares were acquired under the TXNM Energy, Inc. Executive Savings Plan II, and will settle upon the Reporting Person's retirement or other termination of service.

F3 · derivative.expiration_date: The phantom stock shares were acquired under the TXNM Energy, Inc. Executive Savings Plan II, and will settle upon the Reporting Person's retirement or other termination of service.

SEC source: 0001562180-25-004034 · primarydocument.xml · derivative · entry 1

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · TXNM Common Stock Fund - TXNM Energy, Inc. Executive Savings Plan II

Disclosed balance after: 95,158

Underlying: Common Stock · 716 shares

Expires not disclosed

F1 · derivative.exercise_price: The security converts to common stock on a one-for-one basis.

F2 · shares: Reflects the amount of phantom stock shares acquired under the TXNM Energy, Inc. Executive Savings Plan II through notational dividend reinvestment on the cash dividend payment date of May 16, 2025.

F3 · derivative.exercise_date: The phantom stock shares were acquired under the TXNM Energy, Inc. Executive Savings Plan II, and will settle upon the Reporting Person's retirement or other termination of service.

F3 · derivative.expiration_date: The phantom stock shares were acquired under the TXNM Energy, Inc. Executive Savings Plan II, and will settle upon the Reporting Person's retirement or other termination of service.

SEC source: 0000003570-25-000066 · wk-form4_1747430312.xml · nonDerivative · entry 1

COLLAWN PATRICIA K · CIK 0001083786 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,482

F1 · price: These shares were issued as a deferred stock unit grant and therefore no consideration was given by the Reporting Person. Each deferred stock unit represents the right to receive one share of the Company's common stock.

SEC source: 0001562180-25-002250 · primarydocument.xml · derivative · entry 9

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,134

Underlying: Common Stock · 5,967 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.

F3 · derivative.exercise_price: Each restricted stock right represents a contingent right to receive one share of TXNM Energy, Inc. common stock.

F4 · derivative.exercise_date: The restricted stock units vest in three equal annual installments. Vested shares will be delivered to the reporting person on the applicable vesting dates (or, if the company is in a blackout period under its insider trading policy on any vesting date, at a later date after such blackout period ends).

F4 · derivative.expiration_date: The restricted stock units vest in three equal annual installments. Vested shares will be delivered to the reporting person on the applicable vesting dates (or, if the company is in a blackout period under its insider trading policy on any vesting date, at a later date after such blackout period ends).

SEC source: 0001562180-25-002250 · primarydocument.xml · derivative · entry 8

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,101

Underlying: Common Stock · 6,019 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.

F3 · derivative.exercise_price: Each restricted stock right represents a contingent right to receive one share of TXNM Energy, Inc. common stock.

F4 · derivative.exercise_date: The restricted stock units vest in three equal annual installments. Vested shares will be delivered to the reporting person on the applicable vesting dates (or, if the company is in a blackout period under its insider trading policy on any vesting date, at a later date after such blackout period ends).

F4 · derivative.expiration_date: The restricted stock units vest in three equal annual installments. Vested shares will be delivered to the reporting person on the applicable vesting dates (or, if the company is in a blackout period under its insider trading policy on any vesting date, at a later date after such blackout period ends).

SEC source: 0001562180-25-002250 · primarydocument.xml · derivative · entry 7

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,120

Underlying: Common Stock · 8,575 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.

F3 · derivative.exercise_price: Each restricted stock right represents a contingent right to receive one share of TXNM Energy, Inc. common stock.

F4 · derivative.exercise_date: The restricted stock units vest in three equal annual installments. Vested shares will be delivered to the reporting person on the applicable vesting dates (or, if the company is in a blackout period under its insider trading policy on any vesting date, at a later date after such blackout period ends).

F4 · derivative.expiration_date: The restricted stock units vest in three equal annual installments. Vested shares will be delivered to the reporting person on the applicable vesting dates (or, if the company is in a blackout period under its insider trading policy on any vesting date, at a later date after such blackout period ends).

SEC source: 0001562180-25-002250 · primarydocument.xml · nonDerivative · entry 6

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 749,557

F2 · security: Represents shares withheld by TXNM Energy, Inc. to satisfy the tax withholding obligations arising in connection with the settlement of equity awards. The company utilizes a modified "share withholding" approach in connection with settling equity awards, in which it (i) withholds (in cash) an amount to satisfy tax withholding obligations and remits such amount to the relevant tax authorities, and (ii) directs a designated broker to purchase on the open market the number of shares of the company's common stock that can be acquired with the after-tax value of equity awards at the prevailing market price. Only these "net shares" are delivered to the recipient of the equity awards.

SEC source: 0001562180-25-002250 · primarydocument.xml · nonDerivative · entry 5

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 752,258

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 · security: Represents the portions of previous awards of restricted stock rights that vested effective as of March 7, 2025.

SEC source: 0001562180-25-002250 · primarydocument.xml · nonDerivative · entry 4

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 746,291

F2 · security: Represents shares withheld by TXNM Energy, Inc. to satisfy the tax withholding obligations arising in connection with the settlement of equity awards. The company utilizes a modified "share withholding" approach in connection with settling equity awards, in which it (i) withholds (in cash) an amount to satisfy tax withholding obligations and remits such amount to the relevant tax authorities, and (ii) directs a designated broker to purchase on the open market the number of shares of the company's common stock that can be acquired with the after-tax value of equity awards at the prevailing market price. Only these "net shares" are delivered to the recipient of the equity awards.

SEC source: 0001562180-25-002250 · primarydocument.xml · nonDerivative · entry 3

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 749,015

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 · security: Represents the portions of previous awards of restricted stock rights that vested effective as of March 7, 2025.

SEC source: 0001562180-25-002250 · primarydocument.xml · nonDerivative · entry 2

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 742,996

F2 · security: Represents shares withheld by TXNM Energy, Inc. to satisfy the tax withholding obligations arising in connection with the settlement of equity awards. The company utilizes a modified "share withholding" approach in connection with settling equity awards, in which it (i) withholds (in cash) an amount to satisfy tax withholding obligations and remits such amount to the relevant tax authorities, and (ii) directs a designated broker to purchase on the open market the number of shares of the company's common stock that can be acquired with the after-tax value of equity awards at the prevailing market price. Only these "net shares" are delivered to the recipient of the equity awards.

SEC source: 0001562180-25-002250 · primarydocument.xml · nonDerivative · entry 1

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 746,877

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 · security: Represents the portions of previous awards of restricted stock rights that vested effective as of March 7, 2025.

SEC source: 0001562180-25-001765 · primarydocument.xml · derivative · entry 3

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,695

Underlying: Common Stock · 21,963 shares

Expires not disclosed

F3 · derivative.exercise_price: Each restricted stock right represents a contingent right to receive one share of TXNM Energy, Inc. common stock

F4 · derivative.exercise_date: The restricted stock units vest in three equal annual installments. Vested shares will be delivered to the reporting person on the applicable vesting dates (or, if the company is in a blackout period under its insider trading policy on any vesting date, at a later date after such blackout period ends).

F4 · derivative.expiration_date: The restricted stock units vest in three equal annual installments. Vested shares will be delivered to the reporting person on the applicable vesting dates (or, if the company is in a blackout period under its insider trading policy on any vesting date, at a later date after such blackout period ends).

SEC source: 0001562180-25-001765 · primarydocument.xml · nonDerivative · entry 2

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 738,302

F2 · security: Represents shares withheld by TXNM Energy, Inc. (the "Company") to satisfy the tax withholding obligations arising in connection with the settlement of equity awards. The Company utilizes a modified "share withholding" approach in connection with settling equity awards, in which it (i) withholds (in cash) an amount to satisfy tax withholding obligations and remits such amount to the relevant tax authorities, and (ii) directs a designated broker to purchase on the open market the number of shares of the Company's common stock that can be acquired with the after-tax value of equity awards at the prevailing market price. Only these "net shares" are delivered to the recipient of the equity awards.

SEC source: 0001562180-25-001765 · primarydocument.xml · nonDerivative · entry 1

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 751,994

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 · security: The performance shares were earned as of December 31, 2024 for the 2022-2024 performance period, and settled on February 26, 2025.

SEC source: 0001562180-25-001241 · primarydocument.xml · derivative · entry 1

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · TXNM Common Stock Fund - PNM Resources Executive Savings Plan II

Disclosed balance after: 710

Underlying: Common Stock · 710 shares

Expires not disclosed

F1 · derivative.exercise_price: The security converts to common stock on a one-for-one basis.

F2 · shares: Reflects the amount of phantom shares acquired under the TXNM Energy, Inc. Executive Savings Plan II through notational dividend reinvestment on the cash dividend payment date of February 14, 2025.

F3 · derivative.exercise_date: The phantom stock shares were acquired under the TXNM Energy, Inc. Executive Savings Plan II, and will settle upon the Reporting Person's retirement or other termination of service.

F3 · derivative.expiration_date: The phantom stock shares were acquired under the TXNM Energy, Inc. Executive Savings Plan II, and will settle upon the Reporting Person's retirement or other termination of service.

SEC source: 0001562180-25-004033 · primarydocument.xml · derivative · entry 1

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · TXNM Common Stock Fund - TXNM Energy, Inc. Executive Savings Plan II

Disclosed balance after: 94,442

Underlying: Common Stock · 710 shares

Expires not disclosed

F1 · derivative.exercise_price: The security converts to common stock on a one-for-one basis.

F2 · shares: Reflects the amount of phantom shares acquired under the TXNM Energy, Inc. Executive Savings Plan II through notational dividend reinvestment on the cash dividend payment date of February 14, 2025.

F3 · derivative.exercise_date: The phantom stock shares were acquired under the TXNM Energy, Inc. Executive Savings Plan II, and will settle upon the Reporting Person's retirement or other termination of service.

F3 · derivative.expiration_date: The phantom stock shares were acquired under the TXNM Energy, Inc. Executive Savings Plan II, and will settle upon the Reporting Person's retirement or other termination of service.

F4 · balance_after: Due to a system error of a third party administrator, the reporting person's Form 4 filed on February 18, 2025 inadvertently excluded 93,732 phantom stock shares that the reporting person held prior to her acquisition of 710 phantom stock shares as previously reported under such Form 4.

SEC source: 0001562180-24-007637 · primarydocument.xml · derivative · entry 1

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · PNM Common Stock Fund - PNM Resources Executive Savings Plan II

Disclosed balance after: 93,732

Underlying: Common Stock · 776 shares

Expires not disclosed

F1 · derivative.exercise_price: The security converts to common stock on a one-for-one basis.

F2 · shares: Reflects the amount of phantom shares acquired under the TXNM Energy, Inc. Executive Savings Plan II through notational dividend reinvestment on the cash dividend payment date of November 8, 2024.

F3 · derivative.exercise_date: The phantom stock shares were acquired under the TXNM Energy, Inc. Executive Savings Plan II, and will settle upon the Reporting Person's retirement or other termination of service.

F3 · derivative.expiration_date: The phantom stock shares were acquired under the TXNM Energy, Inc. Executive Savings Plan II, and will settle upon the Reporting Person's retirement or other termination of service.

SEC source: 0001562180-24-006232 · primarydocument.xml · derivative · entry 1

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · PNM Common Stock Fund - PNM Resources Executive Savings Plan II

Disclosed balance after: 92,956

Underlying: Common Stock · 846 shares

Expires not disclosed

F1 · derivative.exercise_price: The security converts to common stock on a one-for-one basis.

F2 · shares: Reflects the amount of phantom shares acquired under the TXNM Energy, Inc. Executive Savings Plan II through notational dividend reinvestment on the cash dividend payment date of August 9, 2024.

F3 · derivative.exercise_date: The phantom stock shares were acquired under the TXNM Energy, Inc. Executive Savings Plan II, and will settle upon the Reporting Person's retirement or other termination of service.

F3 · derivative.expiration_date: The phantom stock shares were acquired under the TXNM Energy, Inc. Executive Savings Plan II, and will settle upon the Reporting Person's retirement or other termination of service.

SEC source: 0001562180-24-006030 · primarydocument.xml · derivative · entry 3

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,732

Underlying: Common Stock · 26,766 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.

F3 · derivative.exercise_price: Each restricted stock right represents a contingent right to receive one share of common stock of the Company.

F4 · derivative.exercise_date: On December 5, 2023, the reporting person was granted 26,766 restricted stock rights vesting on the earliest of (i) 24 months from the grant date, (ii) the closing of the previously disclosed potential transaction among the Company, Avangrid, Inc. and NM Green Holdings, Inc., pursuant to which NM Green Holdings, Inc. was to merge with and into the Company with the Company surviving as a wholly-owned subsidiary of Avangrid, Inc. (the "Transaction"), or (iii) six months following the date on which either the Company or Avangrid, Inc. decides to abandon the Transaction; provided that the reporting person remains employed through the vesting date. As previously announced, on December 31, 2023, Avangrid, Inc. informed the Company that it was terminating the Transaction. As a result, the reporting person's restricted stock rights vested on the first trading day after the expiration of the blackout period that was in effect on the date on which the applicable six-month period expired.

F4 · derivative.expiration_date: On December 5, 2023, the reporting person was granted 26,766 restricted stock rights vesting on the earliest of (i) 24 months from the grant date, (ii) the closing of the previously disclosed potential transaction among the Company, Avangrid, Inc. and NM Green Holdings, Inc., pursuant to which NM Green Holdings, Inc. was to merge with and into the Company with the Company surviving as a wholly-owned subsidiary of Avangrid, Inc. (the "Transaction"), or (iii) six months following the date on which either the Company or Avangrid, Inc. decides to abandon the Transaction; provided that the reporting person remains employed through the vesting date. As previously announced, on December 31, 2023, Avangrid, Inc. informed the Company that it was terminating the Transaction. As a result, the reporting person's restricted stock rights vested on the first trading day after the expiration of the blackout period that was in effect on the date on which the applicable six-month period expired.

SEC source: 0001562180-24-006030 · primarydocument.xml · nonDerivative · entry 2

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 721,731

F2 · security: Represents shares withheld by TXNM Energy, Inc. (the "Company") to satisfy the tax withholding obligations arising in connection with the settlement of equity awards. The Company utilizes a modified "share withholding" approach in connection with settling equity awards, in which it (i) withholds (in cash) an amount to satisfy tax withholding obligations and remits such amount to the relevant tax authorities, and (ii) directs a designated broker to purchase on the open market the number of shares of the Company's common stock that can be acquired with the after-tax value of equity awards at the prevailing market price. Only these "net shares" are delivered to the recipient of the equity awards.

SEC source: 0001562180-24-006030 · primarydocument.xml · nonDerivative · entry 1

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 733,843

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 · security: Represents the portions of previous awards of restricted stock rights that vested effective as of August 2, 2024.

SEC source: 0000003570-24-000073 · wk-form4_1716589545.xml · nonDerivative · entry 1

COLLAWN PATRICIA K · CIK 0001083786 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,060

F1 · price: These shares were issued as a deferred stock unit grant and therefore no consideration was given by the Reporting Person. Each deferred stock unit represents the right to receive one share of the Company's common stock.

SEC source: 0001562180-24-003964 · primarydocument.xml · derivative · entry 1

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · PNM Common Stock Fund - PNM Resources Executive Savings Plan II

Disclosed balance after: 92,110

Underlying: Common Stock · 880 shares

Expires not disclosed

F1 · derivative.exercise_price: The security converts to common stock on a one-for-one basis.

F2 · shares: Reflects the amount of phantom shares acquired under the PNM Resources, Inc. Executive Savings Plan II through notational dividend reinvestment on the cash dividend payment date of May 10, 2024.

F3 · derivative.exercise_date: The phantom stock shares were acquired under the PNM Resources, Inc. Executive Savings Plan II, and will settle upon the Reporting Person's retirement or other termination of service.

F3 · derivative.expiration_date: The phantom stock shares were acquired under the PNM Resources, Inc. Executive Savings Plan II, and will settle upon the Reporting Person's retirement or other termination of service.

SEC source: 0001562180-24-002456 · primarydocument.xml · derivative · entry 9

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,498

Underlying: Common Stock · 5,967 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.

F3 · derivative.exercise_price: Each restricted stock right represents a contingent right to receive one share of PNM Resources, Inc. common stock.

F4 · derivative.exercise_date: The restricted stock units vest in three equal annual installments. Vested shares will be delivered to the reporting person on the applicable vesting dates (or, if the company is in a blackout period under its insider trading policy on any vesting date, at a later date after such blackout period ends).

F4 · derivative.expiration_date: The restricted stock units vest in three equal annual installments. Vested shares will be delivered to the reporting person on the applicable vesting dates (or, if the company is in a blackout period under its insider trading policy on any vesting date, at a later date after such blackout period ends).

SEC source: 0001562180-24-002456 · primarydocument.xml · derivative · entry 8

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,465

Underlying: Common Stock · 4,863 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.

F3 · derivative.exercise_price: Each restricted stock right represents a contingent right to receive one share of PNM Resources, Inc. common stock.

F4 · derivative.exercise_date: The restricted stock units vest in three equal annual installments. Vested shares will be delivered to the reporting person on the applicable vesting dates (or, if the company is in a blackout period under its insider trading policy on any vesting date, at a later date after such blackout period ends).

F4 · derivative.expiration_date: The restricted stock units vest in three equal annual installments. Vested shares will be delivered to the reporting person on the applicable vesting dates (or, if the company is in a blackout period under its insider trading policy on any vesting date, at a later date after such blackout period ends).

SEC source: 0001562180-24-002456 · primarydocument.xml · derivative · entry 7

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,328

Underlying: Common Stock · 6,019 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.

F3 · derivative.exercise_price: Each restricted stock right represents a contingent right to receive one share of PNM Resources, Inc. common stock.

F4 · derivative.exercise_date: The restricted stock units vest in three equal annual installments. Vested shares will be delivered to the reporting person on the applicable vesting dates (or, if the company is in a blackout period under its insider trading policy on any vesting date, at a later date after such blackout period ends).

F4 · derivative.expiration_date: The restricted stock units vest in three equal annual installments. Vested shares will be delivered to the reporting person on the applicable vesting dates (or, if the company is in a blackout period under its insider trading policy on any vesting date, at a later date after such blackout period ends).

SEC source: 0001562180-24-002456 · primarydocument.xml · nonDerivative · entry 6

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 707,077

F2 · security: Represents shares withheld by PNM Resources, Inc. to satisfy the tax withholding obligations arising in connection with the settlement of equity awards. The company utilizes a modified "share withholding" approach in connection with settling equity awards, in which it (i) withholds (in cash) an amount to satisfy tax withholding obligations and remits such amount to the relevant tax authorities, and (ii) directs a designated broker to purchase on the open market the number of shares of the company's common stock that can be acquired with the after-tax value of equity awards at the prevailing market price. Only these "net shares" are delivered to the recipient of the equity awards.

SEC source: 0001562180-24-002456 · primarydocument.xml · nonDerivative · entry 5

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 709,778

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 · security: Represents the portions of previous awards of restricted stock rights that vested effective as of March 7, 2024.

SEC source: 0001562180-24-002456 · primarydocument.xml · nonDerivative · entry 4

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 703,811

F2 · security: Represents shares withheld by PNM Resources, Inc. to satisfy the tax withholding obligations arising in connection with the settlement of equity awards. The company utilizes a modified "share withholding" approach in connection with settling equity awards, in which it (i) withholds (in cash) an amount to satisfy tax withholding obligations and remits such amount to the relevant tax authorities, and (ii) directs a designated broker to purchase on the open market the number of shares of the company's common stock that can be acquired with the after-tax value of equity awards at the prevailing market price. Only these "net shares" are delivered to the recipient of the equity awards.

SEC source: 0001562180-24-002456 · primarydocument.xml · nonDerivative · entry 3

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 706,012

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 · security: Represents the portions of previous awards of restricted stock rights that vested effective as of March 7, 2024.

SEC source: 0001562180-24-002456 · primarydocument.xml · nonDerivative · entry 2

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 701,149

F2 · security: Represents shares withheld by PNM Resources, Inc. to satisfy the tax withholding obligations arising in connection with the settlement of equity awards. The company utilizes a modified "share withholding" approach in connection with settling equity awards, in which it (i) withholds (in cash) an amount to satisfy tax withholding obligations and remits such amount to the relevant tax authorities, and (ii) directs a designated broker to purchase on the open market the number of shares of the company's common stock that can be acquired with the after-tax value of equity awards at the prevailing market price. Only these "net shares" are delivered to the recipient of the equity awards.

SEC source: 0001562180-24-002456 · primarydocument.xml · nonDerivative · entry 1

COLLAWN PATRICIA K · CIK 0001083786 · Director · CHAIRMAN AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 703,873

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 · security: Represents the portions of previous awards of restricted stock rights that vested effective as of March 7, 2024.