Sec Form 3 Filing - JLL/FCH Holdings I, LLC @ FIRSTSUN CAPITAL BANCORP - 2024-07-11

FORM 3 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 JLL/FCH Holdings I, LLC 2. Issuer Name and Ticker or Trading Symbol FIRSTSUN CAPITAL BANCORP [ FSUN] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O JLL PARTNERS FUND FCH LP, 300 PARK AVENUE, 18TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 07/11/2024 (Street) NEW YORK, NY10022 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, $0.0001 par value 3,395 ( 1 ) D Common Stock, $0.0001 par value 3,480,981 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 Stock Option, Common Stock, $0.0001 par value $ 21.55 04/01/2022( 2 ) 02/28/2026 Common Stock, $0.0001 par value 35,245 D Stock Option, Common Stock, $0.0001 par value $ 21.55 04/01/2022( 2 ) 01/01/2027 Common Stock, $0.0001 par value 2,088 D Stock Option, Common Stock, $0.0001 par value $ 27.29 04/01/2022( 2 ) 02/01/2028 Common Stock, $0.0001 par value 2,088 D Stock Option, Common Stock, $0.0001 par value $ 25.62 04/01/2022( 2 ) 02/01/2029 Common Stock, $0.0001 par value 2,088 D Stock Option, Common Stock, $0.0001 par value $ 26.81 04/01/2022( 2 ) 03/01/2030 Common Stock, $0.0001 par value 2,088 D Stock Option, Common Stock, $0.0001 par value $ 24.9 04/01/2022( 2 ) 03/01/2031 Common Stock, $0.0001 par value 2,088 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other JLL/FCH Holdings I, LLC C/O JLL PARTNERS FUND FCH LP 300 PARK AVENUE, 18TH FLOOR NEW YORK, NY10022 X Signatures /s/ Daren Schneider, on behalf of JLL FCH Holdings I LLC 07/15/2024 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Held by affiliate of the Registrant, JLL Partners Fund FCH LP, for which the Registrant has voting power. ( 2 )Vested stock options for common stock of Pioneer Bancshares, Inc. that were assumed by the Company on April 1, 2022, in connection with closing of the merger and converted into an option to purchase shares of the Company's common stock.

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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