TXNM

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: 0001295122-26-000006 · wk-form4_1781209821.xml · nonDerivative · entry 1

BAILEY VICKY A · CIK 0001295122 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,692

F1 · shares: These shares represent restricted stock units granted on June 10, 2026 that will vest on June 10, 2027 and be settled in common stock upon or after vesting (and delivered in accordance with any elections made under the Director Deferred Right Program), provided that if vesting or any applicable deferred delivery dates occur during a blackout period, the vested shares will be delivered at a later date after such blackout period ends.

F2 · balance_after: Excludes 8,725 shares previously owned directly by the reporting person that were contributed to the reporting person's trust, the Vicky Bailey Revocable Living Trust (of which she is the sole trustee and sole beneficiary).

SEC source: 0002025676-26-000002 · wk-form4_1781209774.xml · nonDerivative · entry 1

Maestas Steven · CIK 0002025676 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,992

F1 · shares: These shares represent restricted stock units granted on June 10, 2026 that will vest on June 10, 2027 and be settled in common stock upon or after vesting (and delivered in accordance with any elections made under the Director Deferred Right Program), provided that if vesting or any applicable deferred delivery dates occur during a blackout period, the vested shares will be delivered at a later date after such blackout period ends.

SEC source: 0001638692-26-000002 · wk-form4_1781209736.xml · nonDerivative · entry 1

Gutierrez Sidney M. · CIK 0001638692 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,135

F1 · shares: These shares represent restricted stock units granted on June 10, 2026 that will vest on June 10, 2027 and be settled in common stock upon or after vesting (and delivered in accordance with any elections made under the Director Deferred Right Program), provided that if vesting or any applicable deferred delivery dates occur during a blackout period, the vested shares will be delivered at a later date after such blackout period ends.

SEC source: 0001125828-26-000002 · wk-form4_1781209688.xml · nonDerivative · entry 1

CONLEY E RENAE · CIK 0001125828 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,971

F1 · shares: These shares represent restricted stock units granted on June 10, 2026 that will vest on June 10, 2027 and be settled in common stock upon or after vesting (and delivered in accordance with any elections made under the Director Deferred Right Program), provided that if vesting or any applicable deferred delivery dates occur during a blackout period, the vested shares will be delivered at a later date after such blackout period ends.

SEC source: 0001674431-26-000002 · wk-form4_1781209649.xml · nonDerivative · entry 1

BECKER NORMAN P. · CIK 0001674431 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,802

F1 · shares: These shares represent restricted stock units granted on June 10, 2026 that will vest on June 10, 2027 and be settled in common stock upon or after vesting (and delivered in accordance with any elections made under the Director Deferred Right Program), provided that if vesting or any applicable deferred delivery dates occur during a blackout period, the vested shares will be delivered at a later date after such blackout period ends.

SEC source: 0001258525-26-000002 · wk-form4_1781209593.xml · nonDerivative · entry 1

HUGHES JAMES ALTON · CIK 0001258525 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,217

F1 · shares: These shares represent restricted stock units granted on June 10, 2026 that will vest on June 10, 2027 and be settled in common stock upon or after vesting (and delivered in accordance with any elections made under the Director Deferred Right Program), provided that if vesting or any applicable deferred delivery dates occur during a blackout period, the vested shares will be delivered at a later date after such blackout period ends.

SEC source: 0002025287-26-000002 · wk-form4_1781209526.xml · nonDerivative · entry 1

Montoya Lillian J · CIK 0002025287 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,992

F1 · shares: These shares represent restricted stock units granted on June 10, 2026 that will vest on June 10, 2027 and be settled in common stock upon or after vesting (and delivered in accordance with any elections made under the Director Deferred Right Program), provided that if vesting or any applicable deferred delivery dates occur during a blackout period, the vested shares will be delivered at a later date after such blackout period ends.

SEC source: 0001179991-26-000002 · wk-form4_1781209454.xml · nonDerivative · entry 1

MULLARKEY MAUREEN T · CIK 0001179991 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,487

F1 · shares: These shares represent restricted stock units granted on June 10, 2026 that will vest on June 10, 2027 and be settled in common stock upon or after vesting (and delivered in accordance with any elections made under the Director Deferred Right Program), provided that if vesting or any applicable deferred delivery dates occur during a blackout period, the vested shares will be delivered at a later date after such blackout period ends.

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: 0001083786-26-000006 · 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: 0001637037-26-000004 · wk-form4_1773089719.xml · derivative · entry 9

TARRY JOSEPH DON · CIK 0001637037 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,959

Underlying: Common Stock · 3,124 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: 0001637037-26-000004 · wk-form4_1773089719.xml · derivative · entry 8

TARRY JOSEPH DON · CIK 0001637037 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,083

Underlying: Common Stock · 2,424 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: 0001637037-26-000004 · wk-form4_1773089719.xml · derivative · entry 7

TARRY JOSEPH DON · CIK 0001637037 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,507

Underlying: Common Stock · 1,700 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: 0001637037-26-000004 · wk-form4_1773089719.xml · nonDerivative · entry 6

TARRY JOSEPH DON · CIK 0001637037 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,223

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: 0001637037-26-000004 · wk-form4_1773089719.xml · nonDerivative · entry 5

TARRY JOSEPH DON · CIK 0001637037 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,637

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: 0001637037-26-000004 · wk-form4_1773089719.xml · nonDerivative · entry 4

TARRY JOSEPH DON · CIK 0001637037 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,513

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: 0001637037-26-000004 · wk-form4_1773089719.xml · nonDerivative · entry 3

TARRY JOSEPH DON · CIK 0001637037 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,610

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: 0001637037-26-000004 · wk-form4_1773089719.xml · nonDerivative · entry 2

TARRY JOSEPH DON · CIK 0001637037 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,186

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: 0001637037-26-000004 · wk-form4_1773089719.xml · nonDerivative · entry 1

TARRY JOSEPH DON · CIK 0001637037 · Director · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,956

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: 0001624359-26-000004 · wk-form4_1773089670.xml · derivative · entry 3

Iverson Brian · CIK 0001624359 · Gen Couns, SVP Reg-Pub Policy

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,578

Underlying: Common Stock · 1,163 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: 0001624359-26-000004 · wk-form4_1773089670.xml · nonDerivative · entry 2

Iverson Brian · CIK 0001624359 · Gen Couns, SVP Reg-Pub Policy

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,119

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: 0001624359-26-000004 · wk-form4_1773089670.xml · nonDerivative · entry 1

Iverson Brian · CIK 0001624359 · Gen Couns, SVP Reg-Pub Policy

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,533

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: 0001801847-26-000004 · wk-form4_1773089567.xml · derivative · entry 9

Monroy Henry E · CIK 0001801847 · SVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,567

Underlying: Common Stock · 500 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: 0001801847-26-000004 · wk-form4_1773089567.xml · derivative · entry 8

Monroy Henry E · CIK 0001801847 · SVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,067

Underlying: Common Stock · 181 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: 0001801847-26-000004 · wk-form4_1773089567.xml · derivative · entry 7

Monroy Henry E · CIK 0001801847 · SVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,248

Underlying: Common Stock · 311 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: 0001801847-26-000004 · wk-form4_1773089567.xml · nonDerivative · entry 6

Monroy Henry E · CIK 0001801847 · SVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,382

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: 0001801847-26-000004 · wk-form4_1773089567.xml · nonDerivative · entry 5

Monroy Henry E · CIK 0001801847 · SVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,635

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: 0001801847-26-000004 · wk-form4_1773089567.xml · nonDerivative · entry 4

Monroy Henry E · CIK 0001801847 · SVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,135

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: 0001801847-26-000004 · wk-form4_1773089567.xml · nonDerivative · entry 3

Monroy Henry E · CIK 0001801847 · SVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,227

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: 0001801847-26-000004 · wk-form4_1773089567.xml · nonDerivative · entry 2

Monroy Henry E · CIK 0001801847 · SVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,046

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: 0001801847-26-000004 · wk-form4_1773089567.xml · nonDerivative · entry 1

Monroy Henry E · CIK 0001801847 · SVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,204

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: 0002004351-26-000004 · wk-form4_1773089520.xml · derivative · entry 9

Bischoff Gerald R · CIK 0002004351 · VP and Corporate Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,765

Underlying: Common Stock · 296 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: 0002004351-26-000004 · wk-form4_1773089520.xml · derivative · entry 8

Bischoff Gerald R · CIK 0002004351 · VP and Corporate Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,061

Underlying: Common Stock · 323 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: 0002004351-26-000004 · wk-form4_1773089520.xml · derivative · entry 7

Bischoff Gerald R · CIK 0002004351 · VP and Corporate Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,384

Underlying: Common Stock · 169 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: 0002004351-26-000004 · wk-form4_1773089520.xml · nonDerivative · entry 6

Bischoff Gerald R · CIK 0002004351 · VP and Corporate Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,779

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: 0002004351-26-000004 · wk-form4_1773089520.xml · nonDerivative · entry 5

Bischoff Gerald R · CIK 0002004351 · VP and Corporate Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,929

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: 0002004351-26-000004 · wk-form4_1773089520.xml · nonDerivative · entry 4

Bischoff Gerald R · CIK 0002004351 · VP and Corporate Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,633

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: 0002004351-26-000004 · wk-form4_1773089520.xml · nonDerivative · entry 3

Bischoff Gerald R · CIK 0002004351 · VP and Corporate Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,797

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: 0002004351-26-000004 · wk-form4_1773089520.xml · nonDerivative · entry 2

Bischoff Gerald R · CIK 0002004351 · VP and Corporate Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,474

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: 0002004351-26-000004 · wk-form4_1773089520.xml · nonDerivative · entry 1

Bischoff Gerald R · CIK 0002004351 · VP and Corporate Controller

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,560

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).