Five Star Bancorp (FSBC) director buys 2,273 shares in trust

Rhea-AI Filing Summary

Five Star Bancorp director Judson Teichert Riggs, acting as trustee of The Riggs Family Trust, purchased 2,273 shares of common stock on July 22, 2026 at $44 per share in an open-market or private transaction. Following this transaction, the trust’s reported indirect holdings total 87,531 shares, which include 974 unvested shares granted under the Five Star Bancorp 2021 Equity Incentive Plan that are scheduled to vest on December 31, 2026, provided Mr. Riggs continues to serve as a director through that date.

Insider Trade Summary

Net Buyer: 2,273 shares

Net Buy 1 txn

Insider Riggs Judson Teichert

Role Director

Bought 2,273 shs ($100K)

Type	Security	Shares	Price	Value
Purchase	Common Stock F1, F2	2,273	$44.00	$100K

Holdings After Transaction: Common Stock — 87,531 shares (Indirect, By self as trustee)

Footnotes (2)

1. F1. Includes 974 unvested shares granted pursuant to the Five Star Bancorp 2021 Equity Incentive Plan with all shares scheduled to vest on December 31, 2026, provided the reporting person, Mr. Riggs, remains as a director with Five Star Bancorp on that date.
2. F2. Shares are held by The Riggs Family Trust dated May 11, 2006, for which Mr. Riggs serves as trustee.

Key Figures

Shares purchased: 2,273 shares Purchase price: $44 per share Indirect holdings after transaction: 87,531 shares +1 more

4 metrics

Shares purchased 2,273 shares Common stock acquired on July 22, 2026 in open-market or private transaction

Purchase price $44 per share Price paid for Five Star Bancorp common stock on July 22, 2026

Indirect holdings after transaction 87,531 shares Total common shares held indirectly by The Riggs Family Trust following the reported purchase

Unvested equity awards 974 shares Unvested shares granted under the Five Star Bancorp 2021 Equity Incentive Plan, vesting December 31, 2026

Key Terms

unvested shares, Equity Incentive Plan, indirect ownership, trustee

4 terms

unvested shares financial

"Includes 974 unvested shares granted pursuant to the Five Star Bancorp 2021 Equity Incentive Plan"

Equity Incentive Plan financial

"granted pursuant to the Five Star Bancorp 2021 Equity Incentive Plan with all shares scheduled to vest"

An equity incentive plan is a program that gives employees, executives or directors the right to receive company stock or options to buy stock as part of their pay. Think of it as offering slices of future company profit to motivate people to boost long‑term performance; for investors it matters because it can align employee goals with shareholder value but also increases the number of shares outstanding, which can dilute existing ownership.

indirect ownership financial

"total_shares_following_transaction marked as indirect with nature of ownership By self as trustee"

trustee financial

"Shares are held by The Riggs Family Trust dated May 11, 2006, for which Mr. Riggs serves as trustee"

A trustee is a person or institution legally appointed to hold and manage assets or enforce an agreement on behalf of other people (beneficiaries). Think of a trustee as a neutral referee or custodian who must act in the beneficiaries’ best interests, follow the trust or contract rules, and handle distributions, recordkeeping and enforcement. Investors care because a trustworthy trustee protects their rights, ensures promised payments or remedies are delivered, and can influence recoveries if things go wrong.

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/24/2026 - 04:32 PM Accepted by SEC EDGAR 07/24/2026 - 04:31 PM Learn about SEC filing dates

FAQ

What insider transaction did Five Star Bancorp (FSBC) report for director Judson Teichert Riggs?

Five Star Bancorp reported that director Judson Teichert Riggs, as trustee of The Riggs Family Trust, purchased 2,273 shares of common stock. The transaction was recorded as an open-market or private purchase at $44 per share on July 22, 2026.

How many Five Star Bancorp (FSBC) shares did the director buy and at what price?

The director-related trust acquired 2,273 shares of Five Star Bancorp common stock at a price of $44 per share. This was a non-derivative purchase, categorized as a "Purchase in open market or private transaction" in the reported data.

What are director Judson Teichert Riggs’s total reported indirect holdings in FSBC after this transaction?

After the purchase, the related trust’s reported indirect holdings total 87,531 shares of Five Star Bancorp common stock. This figure includes both vested and 974 unvested shares associated with prior equity awards under the company’s 2021 Equity Incentive Plan.

How many unvested Five Star Bancorp (FSBC) shares does the director have and when do they vest?

The filing notes 974 unvested shares granted under the Five Star Bancorp 2021 Equity Incentive Plan. All of these shares are scheduled to vest on December 31, 2026, contingent on Mr. Riggs remaining a director with the company through that date.

How are the purchased Five Star Bancorp (FSBC) shares held for director Judson Teichert Riggs?

The purchased shares are held indirectly by The Riggs Family Trust dated May 11, 2006. Mr. Riggs serves as trustee of this trust, and the Form 4 identifies his ownership as indirect "By self as trustee."

Was the FSBC share purchase by director Judson Teichert Riggs made under a Rule 10b5-1 trading plan?

The filing’s Rule 10b5-1 checkbox is not marked as an affirmative plan transaction, indicating the 2,273-share purchase was not reported as executed under a Rule 10b5-1 trading plan arrangement.

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^*

Riggs Judson Teichert

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/22/2026

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	07/22/2026		P		2,273	A	$44	87,531(1)	I	By self as trustee(2)

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 974 unvested shares granted pursuant to the Five Star Bancorp 2021 Equity Incentive Plan with all shares scheduled to vest on December 31, 2026, provided the reporting person, Mr. Riggs, remains as a director with Five Star Bancorp on that date.

2. Shares are held by The Riggs Family Trust dated May 11, 2006, for which Mr. Riggs serves as trustee.

Remarks:

	/s/ Judson T. Riggs, by Heather C. Luck, Attorney-in-Fact	07/24/2026
	** 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)