Five Star Bancorp executive sells 1,641 shares

FIVE STAR BANCORP senior vice president and chief regulatory officer Michael Eugene Lee reported an open-market sale of 1,641 shares of common stock on May 7, 2026 at an average price of $41.26 per share.

Rhea-AI Filing Summary

FIVE STAR BANCORP senior vice president and chief regulatory officer Michael Eugene Lee reported an open-market sale of 1,641 shares of common stock on May 7, 2026 at an average price of $41.26 per share. The shares were held indirectly through The Michael E. Lee & Kaylin M. Fadel-Lee Family Revocable Trust, where he serves as trustee, and the transaction left 33,631 shares of common stock held indirectly after the sale.

Footnotes show Mr. Lee has also been granted 6,000 shares under the Five Star Bancorp 2021 Equity Incentive Plan, of which 2,400 have vested and 3,600 are scheduled to vest over a five-year period, plus a separate grant of 907 shares, with 181 vested and 726 scheduled to vest over another five-year period, contingent on continued employment.

Insider Trade Summary

Net Seller: 1,641 shares

Net Sell 1 txn

Insider Lee Michael Eugene

Role SVP & Chief Regulatory Officer

Sold 1,641 shs ($68K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,641	$41.26	$68K

Holdings After Transaction: Common Stock — 33,631 shares (Indirect, By self as trustee)

Footnotes (2)

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 Mr. Lee remains employed by Five Star Bancorp on the respective vesting dates) and 907 shares granted pursuant to the Five Star Bancorp 2021 Equity Incentive Plan (including 181 shares which have vested and 726 which are scheduled to vest in equal installments over the remainder of a five-year period, provided Mr. Lee remains employed by Five Star Bancorp on the respective vesting dates).
2. F2. Shares are held by The Michael E. Lee & Kaylin M. Fadel-Lee Family Revocable Trust, for which Mr. Lee serves as a trustee.

Key Figures

Shares sold: 1,641 shares Sale price: $41.26 per share Shares held after sale: 33,631 shares +4 more

7 metrics

Shares sold 1,641 shares Open-market sale on May 7, 2026

Sale price $41.26 per share Common stock transaction price

Shares held after sale 33,631 shares Indirect holdings following transaction

Equity grant 1 6,000 shares 2021 Equity Incentive Plan grant; 2,400 vested, 3,600 to vest

Equity grant 1 unvested 3,600 shares Scheduled to vest over a five-year period

Equity grant 2 907 shares 2021 Equity Incentive Plan grant; 181 vested, 726 to vest

Equity grant 2 unvested 726 shares Scheduled to vest over a five-year period

Key Terms

open-market sale, indirect ownership, Equity Incentive Plan, vested, +1 more

5 terms

open-market sale financial

"reported an open-market sale of 1,641 shares of common stock"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

indirect ownership financial

"shares were held indirectly through The Michael E. Lee & Kaylin M. Fadel-Lee Family Revocable Trust"

Equity Incentive Plan financial

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

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.

vested financial

"including 2,400 shares which have vested and 3,600 which are scheduled to vest"

scheduled to vest financial

"726 which are scheduled to vest in equal installments over the remainder of a five-year period"

FAQ

What insider transaction did FIVE STAR BANCORP (FSBC) disclose for Michael Eugene Lee?

FIVE STAR BANCORP disclosed that Michael Eugene Lee executed an open-market sale of 1,641 shares of common stock on May 7, 2026 at $41.26 per share. The shares were held indirectly through a family revocable trust where he serves as trustee.

How many FIVE STAR BANCORP (FSBC) shares does Michael Eugene Lee hold after the sale?

After the reported sale, Michael Eugene Lee indirectly holds 33,631 shares of FIVE STAR BANCORP common stock. These shares are owned through The Michael E. Lee & Kaylin M. Fadel-Lee Family Revocable Trust, for which he acts as a trustee, indicating indirect beneficial ownership.

At what price were Michael Eugene Lee’s FIVE STAR BANCORP (FSBC) shares sold?

The 1,641 FIVE STAR BANCORP common shares were sold at an average price of $41.26 per share. This open-market transaction reflects a total trade value based on that per-share price, as disclosed in the Form 4 insider transaction filing for May 7, 2026.

How are Michael Eugene Lee’s FIVE STAR BANCORP (FSBC) shares held according to the Form 4?

The Form 4 states the shares involved in the sale are held indirectly by The Michael E. Lee & Kaylin M. Fadel-Lee Family Revocable Trust. Michael Eugene Lee serves as a trustee, so the holdings are reported as indirect ownership rather than shares held directly in his own name.

What equity incentive awards does Michael Eugene Lee have from FIVE STAR BANCORP (FSBC)?

Footnotes describe grants of 6,000 shares and 907 shares under the Five Star Bancorp 2021 Equity Incentive Plan. Of these, 2,400 and 181 shares have vested, while 3,600 and 726 shares are scheduled to vest in equal installments over five-year periods, conditioned on continued employment.

Are Michael Eugene Lee’s remaining FIVE STAR BANCORP (FSBC) holdings affected by vesting conditions?

Yes. The filing notes that portions of his 6,000-share and 907-share equity grants will vest over the remainder of five-year periods. Future vesting of 3,600 and 726 shares depends on Mr. Lee remaining employed by FIVE STAR BANCORP on the specified vesting dates.

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Accepted by SEC EDGAR 05/08/2026 - 02:21 PM Learn about SEC filing dates

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^*

Lee Michael Eugene

(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)
	SVP & Chief Regulatory Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/07/2026

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	05/07/2026		S		1,641	D	$41.26	33,631(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 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 Mr. Lee remains employed by Five Star Bancorp on the respective vesting dates) and 907 shares granted pursuant to the Five Star Bancorp 2021 Equity Incentive Plan (including 181 shares which have vested and 726 which are scheduled to vest in equal installments over the remainder of a five-year period, provided Mr. Lee remains employed by Five Star Bancorp on the respective vesting dates).

2. Shares are held by The Michael E. Lee & Kaylin M. Fadel-Lee Family Revocable Trust, for which Mr. Lee serves as a trustee.

Remarks:

	/s/ Michael E. Lee, by Heather C. Luck, Attorney-in-Fact	05/08/2026
	** 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)