Five Star Bancorp EVP Kurtze sells 0.3013 shares

A 2,715-share equity-plan grant is scheduled to vest in equal installments over five years beginning in 2027, subject to continued employment.

Available on EDGAR 11/09/2026 - 06:22 PM EST Accepted by SEC EDGAR 11/09/2026 - 06:22 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Five Star Bancorp EVP, SF Bay Area President Don Justin Kurtze sold 0.3013 shares of common stock at $45.7600 per share on November 5, 2026. His reported direct holdings afterward were 7,362.1151 shares. The reported holdings include equity-plan awards, some scheduled to vest over time subject to continued employment. No Rule 10b5-1 plan is reported.

Insider Trade Summary

Net Seller: 0.3013 shares

Net Sell 1 txn

Insider Kurtze Don Justin

Role EVP, SF Bay Area President

Sold 0.3013 shs ($13.79)

Share of Position Sold <0.01%

Type	Security	Shares	Price	Value
Sale	Common Stock F1	0.3013	$45.76	$13.79

Holdings After Transaction: Common Stock — 7,362.1151 shares (Direct)

Holdings Before and After: Common Stock, 7,362.4164 to 7,362.1151 shares (Direct)

Other Insiders: 1 other insider reported open-market sales of this stock in the 30 days up to this filing.

Footnotes (1)

1. F1. Includes 500 shares granted pursuant to the Five Star Bancorp 2021 Equity Incentive Plan (including 333 shares which have vested and 167 which are scheduled to vest in equal installments over the remainder of a three-year period, provided Mr. Kurtze 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 Mr. Kurtze 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 Mr. Kurtze remains employed by Five Star Bancorp on the respective vesting dates.

Key Figures

Common shares sold: 0.3013 shares Sale price: $45.7600 per share Reported direct holdings after sale: 7,362.1151 shares +3 more

6 metrics

Common shares sold 0.3013 shares November 5, 2026

Sale price $45.7600 per share November 5, 2026

Reported direct holdings after sale 7,362.1151 shares After the November 5, 2026 transaction

Equity-plan award 500 shares Includes 333 vested shares and 167 scheduled to vest over the remainder of a three-year period, subject to continued employment

Equity-plan award 3,629 shares Includes 726 vested shares and 2,903 scheduled to vest over the remainder of a five-year period, subject to continued employment

Equity-plan award 2,715 shares Scheduled to vest in equal installments over five years beginning in 2027, subject to continued employment

Key Terms

Rule 10b5-1 plan, 2021 Equity Incentive Plan, vested

3 terms

Rule 10b5-1 plan regulatory

"No Rule 10b5-1 plan is reported"

A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.

2021 Equity Incentive Plan financial

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

vested financial

"333 shares which have vested"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many FSBC shares did Don Justin Kurtze sell, and at what price?

Don Justin Kurtze sold 0.3013 shares of Five Star Bancorp common stock at $45.7600 per share on November 5, 2026. His reported direct holdings afterward were 7,362.1151 shares. No Rule 10b5-1 plan is reported.

What equity-plan awards are included in Don Justin Kurtze's reported FSBC holdings?

The reported holdings include 500 shares granted under the Five Star Bancorp 2021 Equity Incentive Plan, including 333 vested and 167 scheduled to vest in installments over the remainder of a three-year period; 3,629 shares, including 726 vested and 2,903 scheduled to vest over the remainder of a five-year period; and 2,715 shares scheduled to vest in equal installments over five years beginning in 2027. Vesting is subject to his continued employment on the respective vesting dates.

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^*

Kurtze Don Justin

(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, SF Bay Area President

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
11/05/2026

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	11/05/2026		S		0.3013	D	$45.76	7,362.1151(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 500 shares granted pursuant to the Five Star Bancorp 2021 Equity Incentive Plan (including 333 shares which have vested and 167 which are scheduled to vest in equal installments over the remainder of a three-year period, provided Mr. Kurtze 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 Mr. Kurtze 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 Mr. Kurtze remains employed by Five Star Bancorp on the respective vesting dates.

Remarks:

	/s/ Don J. Kurtze, by Heather C. Luck, Attorney-in-Fact	11/09/2026
	** 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)