Sec Form 4 Filing - Simanson Gary A @ Thunder Bridge Capital Partners IV, Inc. - 2023-06-29

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

OMB APPROVAL OMB Number: 3235-0287 Expires: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person Simanson Gary A 2. Issuer Name and Ticker or Trading Symbol Thunder Bridge Capital Partners IV, Inc. [ THCP] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner X __ Officer (give title below) _____ Other (specify below) President and CEO (Last) (First) (Middle) 9912 GEORGETOWN PIKE,, SUITE D203 3. Date of Earliest Transaction (MM/DD/YY) 06/29/2023 (Street) GREAT FALLS, VA22066 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ 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 Class A Common Stock 06/29/2023 C( 1 ) 5,913,195 ( 1 ) A 6,561,250 ( 2 ) I See footnote ( 3 )

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 Class B Common Stock ( 1 ) 06/29/2023 C( 1 ) 5,913,195 ( 1 ) ( 1 ) Class A Common Stock 5,913,195 ( 1 ) 1 I See footnote ( 3 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Simanson Gary A 9912 GEORGETOWN PIKE, SUITE D203 GREAT FALLS, VA22066 X X President and CEO TBCP IV, LLC 9912 GEORGETOWN PIKE SUITE D203 GREAT FALLS, VA22066 X Signatures /s/ Gary A. Simanson Gary A. Simanson 06/29/2023 Signature of Reporting Person Date /s/ Gary A. Simanson Managing Member of TBCP IV, LLC 06/29/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The shares of Class B common stock of the Issuer are convertible into shares of Class A common stock on a one-for-one basis. The Class B common stock has no expiration date. On June 29, 2023, the reporting person elected to convert 5,913,195 shares of Class B common stock held by it into 5,913,195 shares of Class A common stock. ( 2 )Includes 648,055 shares of Class A common stock underlying private placement units (each unit consisting of one share of Class A common stock and one-fifth of one warrant, each whole warrant exercisable to purchase one share of Class A common stock) held by TBCP IV, LLC (the "Sponsor"), acquired in connection with the Issuer's initial public offering. ( 3 )The Sponsor is the record holder of the securities reported herein. Mr. Simanson, the President and Chief Executive Officer of the Issuer, is the managing member of the Sponsor and has sole voting and investment discretion with respect to the common stock held of record by the Sponsor. By virtue of this relationship, Mr. Simanson may be deemed to have beneficial ownership of the securities held of record by the Sponsor. Each such person disclaims any beneficial ownership of the reported shares other than to the extent of any pecuniary interest they may have therein, directly or indirectly.

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).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.