Five Star Bancorp EVP sells 4,307 common shares

Five Star Bancorp EVP, Chief Ext Affairs Officer Lydia Ann Ramirez-Medina sold 4,307 shares of common stock at $44.92 per share on November 2, 2026, leaving her with 9,368 shares.

Available on EDGAR 11/03/2026 - 04:40 PM EST Accepted by SEC EDGAR 11/03/2026 - 04:40 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Five Star Bancorp EVP, Chief Ext Affairs Officer Lydia Ann Ramirez-Medina sold 4,307 shares of common stock at $44.92 per share on November 2, 2026, leaving her with 9,368 shares. The sale was not reported as made under a Rule 10b5-1 plan.

Insider Trade Summary

Net Seller: 4,307 shares

Net Sell 1 txn

Insider Ramirez-Medina Lydia Ann

Role EVP, Chief Ext Affairs Officer

Sold 4,307 shs ($193K)

Share of Position Sold 31.5%

Type	Security	Shares	Price	Value
Sale	Common Stock F1	4,307	$44.92	$193K

Holdings After Transaction: Common Stock — 9,368 shares (Direct)

Holdings Before and After: Common Stock, 13,675 to 9,368 shares (Direct)

Footnotes (1)

1. F1. Includes 6,000 shares granted pursuant to the Five Star Bancorp 2021 Equity Incentive Plan (including 2,400 shares which have vested and 3,600 which are scheduled to vest in equal installments over the remainder of a five-year period, provided Ms. Ramirez remains employed by Five Star Bancorp on the respective vesting dates), 3,629 shares granted pursuant to the Five Star Bancorp 2021 Equity Incentive Plan (including 726 shares which have vested and 2,903 which are scheduled to vest in equal installments over the remainder of a five-year period, provided Ms. Ramirez remains employed by Five Star Bancorp on the respective vesting dates), and 2,715 shares granted pursuant to the Five Star Bancorp 2021 Equity Incentive Plan which are scheduled to vest in equal installments over a five-year period beginning in 2027, provided Ms. Ramirez remains employed by Five Star Bancorp on the respective vesting dates.

Key Figures

Shares sold: 4,307 shares Sale price per share: $44.92 per share Shares held after sale: 9,368 shares

3 metrics

Shares sold 4,307 shares November 2, 2026

Sale price per share $44.92 per share November 2, 2026

Shares held after sale 9,368 shares After the November 2, 2026 sale

Key Terms

2021 Equity Incentive Plan, vested, vesting dates

3 terms

2021 Equity Incentive Plan financial

"granted pursuant to the Five Star Bancorp 2021 Equity Incentive Plan"

vested financial

"2,400 shares which have vested"

vesting dates financial

"provided Ms. Ramirez remains employed ... on the respective vesting dates"

FAQ

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How many FSBC shares did Lydia Ann Ramirez-Medina sell, and at what price?

Lydia Ann Ramirez-Medina, EVP, Chief Ext Affairs Officer at Five Star Bancorp, sold 4,307 shares of common stock for $44.92 per share on November 2, 2026. She held 9,368 shares after the sale. The sale was not reported as made under a Rule 10b5-1 plan.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Ramirez-Medina Lydia Ann

(Last) (First) (Middle)

C/O FIVE STAR BANCORP

3100 ZINFANDEL DRIVE, SUITE 100

(Street)

RANCHO CORDOVA CALIFORNIA 95670

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
FIVE STAR BANCORP [ FSBC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, Chief Ext Affairs Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
11/02/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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	11/02/2026		S		4,307	D	$44.92	9,368(1)	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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (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: 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

Explanation of Responses:

1. Includes 6,000 shares granted pursuant to the Five Star Bancorp 2021 Equity Incentive Plan (including 2,400 shares which have vested and 3,600 which are scheduled to vest in equal installments over the remainder of a five-year period, provided Ms. Ramirez remains employed by Five Star Bancorp on the respective vesting dates), 3,629 shares granted pursuant to the Five Star Bancorp 2021 Equity Incentive Plan (including 726 shares which have vested and 2,903 which are scheduled to vest in equal installments over the remainder of a five-year period, provided Ms. Ramirez remains employed by Five Star Bancorp on the respective vesting dates), and 2,715 shares granted pursuant to the Five Star Bancorp 2021 Equity Incentive Plan which are scheduled to vest in equal installments over a five-year period beginning in 2027, provided Ms. Ramirez remains employed by Five Star Bancorp on the respective vesting dates.

Remarks:

	/s/ Lydia A. Ramirez-Medina, by Heather C. Luck, Attorney-in-Fact	11/03/2026
	** Signature of Reporting Person	Date
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.
* Form 4: SEC 1474 (03-26)