USCB Financial EVP Bustle disposes of 1,623 shares

The EVP and Chief Lending Officer's reported direct balance was 45,296 shares after the transaction, with options expiring in 2029 and 2031.

Available on EDGAR 10/30/2026 - 10:28 AM EDT Accepted by SEC EDGAR 10/30/2026 - 10:27 AM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

USCB Financial Holdings, Inc. EVP and Chief Lending Officer Nicholas Bustle reported 1,623 Class A Voting Common Stock shares delivered or withheld for payment of exercise price or tax liability on October 28, 2026, at a reported price of $19.92 per share. His direct holdings after the transaction were 45,296 shares; holdings listed by his daughters and spouse were 9,820 and 6,250 shares. His direct options covered 30,000 shares at $11.35, expiring April 17, 2029, and 40,000 shares at $12.05, expiring September 27, 2031.

Insider Trade Summary

Exercise Price or Tax Liability: 1,623 shares

Exercise Price or Tax Liability 1 txn

Insider BUSTLE NICHOLAS

Role EVP and Chief Lending Officer

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Class A Voting Common Stock F1	1,623	$19.92	$32K
Holding	Stock Option (Right to Buy) F2	--	--	--
Holding	Stock Option (Right to Buy) F3	--	--	--
Holding	Class A Voting Common Stock	--	--	--
Holding	Class A Voting Common Stock	--	--	--

Holdings After Transaction: Class A Voting Common Stock — 45,296 shares (Direct); Stock Option (Right to Buy) — 70,000 contracts (Direct); Class A Voting Common Stock — 9,820 shares (Indirect, By daughters); Class A Voting Common Stock — 6,250 shares (Indirect, By spouse)

Holdings Before and After: Class A Voting Common Stock, 46,919 to 45,296 shares (Direct)

Footnotes (3)

1. F1. Includes 4,631 shares of restricted stock from a grant of 6,947 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 1,087 shares of restricted stock from a grant of 3,261 shares which commenced vesting at a rate of one-third per year on January 22, 2025, 6,666 shares of restricted stock from a grant of 20,000 shares which commenced vesting at a rate of one-third per year on October 28, 2025 and 7,015 shares of restricted stock which vest at the rate of one-third per year commencing on January 27, 2027.
2. F2. The stock options vested at the rate of one-third per year commencing on April 17, 2020.
3. F3. The stock options vested at the rate of one-third per year commencing on September 27, 2022.

Key Figures

Shares delivered or withheld: 1,623 shares Reported transaction price: $19.92 per share Direct holdings after transaction: 45,296 shares +4 more

7 metrics

Shares delivered or withheld 1,623 shares Class A Voting Common Stock transaction on October 28, 2026

Reported transaction price $19.92 per share Class A Voting Common Stock transaction on October 28, 2026

Direct holdings after transaction 45,296 shares Class A Voting Common Stock as of October 28, 2026

Shares held by daughters 9,820 shares Class A Voting Common Stock as of October 28, 2026

Shares held by spouse 6,250 shares Class A Voting Common Stock as of October 28, 2026

Direct options 30,000 shares at $11.35 per share Expire April 17, 2029

Direct options 40,000 shares at $12.05 per share Expire September 27, 2031

Key Terms

restricted stock, vesting, exercise price

3 terms

restricted stock financial

"4,631 shares of restricted stock from a grant of 6,947 shares"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

vesting financial

"commenced vesting at a rate of one-third per year"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

exercise price financial

"Payment of exercise price or tax liability"

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

FAQ

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

What USCB shares did Nicholas Bustle deliver or have withheld?

Nicholas Bustle, USCB's EVP and Chief Lending Officer, reported 1,623 Class A Voting Common Stock shares delivered or withheld for payment of exercise price or tax liability on October 28, 2026, at a reported price of $19.92 per share. His reported direct holdings afterward were 45,296 shares.

How do Nicholas Bustle's USCB stock options vest?

The 30,000 direct options at $11.35 vested at one-third per year commencing April 17, 2020, and expire April 17, 2029. The 40,000 direct options at $12.05 vested at one-third per year commencing September 27, 2022, and expire September 27, 2031.

What restricted stock is included in Nicholas Bustle's USCB holdings?

His reported direct balance includes 4,631 restricted shares from a 6,947-share grant, 1,087 from a 3,261-share grant, 6,666 from a 20,000-share grant, and 7,015 additional restricted shares. They vest at one-third per year, commencing January 21, 2026, January 22, 2025, October 28, 2025, and January 27, 2027, respectively.

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^*

BUSTLE NICHOLAS

(Last) (First) (Middle)

C/O USCB FINANCIAL HOLDINGS, INC.

2301 N.W. 87TH AVENUE

(Street)

DORAL FLORIDA 33172

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
USCB FINANCIAL HOLDINGS, INC. [ USCB ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP and Chief Lending Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/28/2026

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
Class A Voting Common Stock	10/28/2026		F		1,623	D	$19.92	45,296(1)	D
Class A Voting Common Stock								9,820	I	By daughters
Class A Voting Common Stock								6,250	I	By spouse

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
Stock Option (Right to Buy)	$11.35							04/17/2020(2)	04/17/2029	Common Stock	30,000		30,000	D
Stock Option (Right to Buy)	$12.05							09/27/2022(3)	09/27/2031	Common Stock	40,000		40,000	D

Explanation of Responses:

1. Includes 4,631 shares of restricted stock from a grant of 6,947 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 1,087 shares of restricted stock from a grant of 3,261 shares which commenced vesting at a rate of one-third per year on January 22, 2025, 6,666 shares of restricted stock from a grant of 20,000 shares which commenced vesting at a rate of one-third per year on October 28, 2025 and 7,015 shares of restricted stock which vest at the rate of one-third per year commencing on January 27, 2027.

2. The stock options vested at the rate of one-third per year commencing on April 17, 2020.

3. The stock options vested at the rate of one-third per year commencing on September 27, 2022.

	/s/ Robert Anderson by P.O.A. for Nicholas Bustle	10/30/2026
	** 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)