SEC Form 4 · accession 0001628280-26-049623

FIVE STAR BANCORP · FSBC

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Larry Eugene Allbaugh

Director · 10% Owner

Period of report

Jul 22, 2026

Accepted (ET)

Jul 24, 2026 · 4:34 pm EDT

Rule 10b5-1 plan

box not checked

Issuer CIK

0001275168

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F1,F2	Jul 22, 2026	P	5,682	$44.00	A	507,401	I	By self as Trustee
Common Stock^F3,F4	Jul 22, 2026	P	90,909	$44.00	A	1,101,687	I	OAT Trustee
Common Stock^F4,F5	holding	—	—		—	260,695	I	J Oates-Holt QSST Trustee
Common Stock^F4,F6	holding	—	—		—	410,695	I	K Oates-Fairrington QSST Trustee
Common Stock^F4,F7	holding	—	—		—	410,695	I	M Applegate QSST Trustee
Common Stock^F4,F8	holding	—	—		—	410,695	I	P Oates QSST Trustee
Common Stock^F9	holding	—	—		—	10,000	I	Buzz Oates LLC Non-Member Manager
Common Stock^F10	holding	—	—		—	10,000	I	Buzz Oates Group of Companies Shareholder

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses

F1Includes 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. Allbaugh, remains as a director with Five Star Bancorp on that date.
F10Shares are held by Buzz Oates Group of Companies, of which Mr. Allbaugh is a shareholder and the Chief Executive Officer. Mr. Allbaugh has significant influence over Buzz Oates Group of Companies and may be deemed to be the indirect beneficial owner of such shares for purposes of Section 16. Mr. Allbaugh disclaims beneficial ownership of the shares held by Buzz Oates Group of Companies, except to the extent of his pecuniary interest therein.
F2Shares are held by the Larry and Laura Allbaugh Living Trust dated November 5, 1997, for which Mr. Allbaugh serves as a trustee.
F3Shares are held by the Oates Administrative Trust, for which Mr. Allbaugh serves as a trustee.
F4As trustee of this trust, Mr. Allbaugh has voting and dispositive power over these shares and may be deemed to be the indirect beneficial owner of such shares for purposes of Section 16. However, Mr. Allbaugh is not the beneficiary of this trust. Accordingly, Mr. Allbaugh disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that Mr. Allbaugh is the beneficial owner of the securities for purposes of Section 16 or for any other purpose.
F5Shares are held by the QSST Subtrust of the Judy Oates-Holt Irrevocable Trust, dated December 16, 2009, for which Mr. Allbaugh serves as trustee.
F6Shares are held by the QSST Subtrust of the Kathryn Oates-Fairrington Irrevocable Trust, dated December 16, 2009, for which Mr. Allbaugh serves as trustee.
F7Shares are held by the QSST Subtrust of the Marvilyn E. Applegate Irrevocable Trust, dated December 16, 2009, for which Mr. Allbaugh serves as trustee.
F8Shares are held by the QSST Subtrust of the Philip D. Oates Irrevocable Trust, dated December 16, 2009, for which Mr. Allbaugh serves as trustee.
F9Shares are held by Buzz Oates LLC, of which Mr. Allbaugh is a non-member manager. Mr. Allbaugh disclaims beneficial ownership of the shares held by Buzz Oates LLC.