Sec Form 4 Filing - COLLAWN PATRICIA K @ TXNM ENERGY INC - 2024-08-02

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person COLLAWN PATRICIA K 2. Issuer Name and Ticker or Trading Symbol TXNM ENERGY INC [ TXNM] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) CHAIRMAN AND CEO (Last) (First) (Middle) CORPORATE HEADQUARTERS, MS 1275 3. Date of Earliest Transaction (MM/DD/YY) 08/02/2024 (Street) ALBUQUERQUE, NM87158-1275 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock ( 1 ) 08/02/2024 M 26,766 A $ 0 733,843 D Common Stock ( 2 ) 08/02/2024 F 12,112 D $ 41.77 721,731 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Restricted Stock Rights ( 3 ) 08/02/2024 M 26,766 ( 4 ) ( 4 ) Common Stock 26,766 $ 0 43,732 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other COLLAWN PATRICIA K CORPORATE HEADQUARTERS MS 1275 ALBUQUERQUE, NM87158-1275 X CHAIRMAN AND CEO Signatures /s/ Angela L. Pino, POA for Patricia K. Collawn 08/06/2024 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents the portions of previous awards of restricted stock rights that vested effective as of August 2, 2024. ( 2 )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. ( 3 )Each restricted stock right represents a contingent right to receive one share of common stock of the Company. ( 4 )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.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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