[Form 4] USCB FINANCIAL HOLDINGS, INC. Insider Trading Activity

Rhea-AI Filing Summary

USCB Financial Holdings (USCB) reported an insider transaction by its EVP, Sales and Marketing, on a Form 4. On 10/28/2025, 1,623 shares of Class A Voting Common Stock were withheld/disposed under code F at $17.6, typically reflecting tax withholding on a vesting event. Following this, the reporting person beneficially owned 35,716 shares, held directly.

The filing also lists derivative holdings: options to purchase 40,000 shares of Class A Voting Common Stock at an exercise price of $12.05, with an expiration date of 09/27/2031. Footnotes describe multiple restricted stock grants vesting one‑third annually beginning on dates including January 22, 2025; March 8, 2024; October 28, 2025; and January 21, 2026.

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
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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^*

GUERRA-KATTOU MARTHA

(Last) (First) (Middle)

C/O USCB FINANCIAL HOLDINGS, INC.

2301 N.W. 87TH AVENUE

(Street)

DORAL FL 33172

(City) (State) (Zip)

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, Sales and Marketing

3. Date of Earliest Transaction (Month/Day/Year)
10/28/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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	10/28/2025		F		1,623	D	$17.6	35,716(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
Options to Purchase Class A Voting Stock	$12.05							09/27/2022(2)	09/27/2031	Class A Voting Common Stock	40,000		40,000	D

Explanation of Responses:

1. Includes 1,770 shares of restricted stock of a grant of 2,655 shares which commenced vesting at a rate of one-third per year on January 22, 2025, 1,644 shares of restricted stock of a grant of 4,933 shares which commenced vesting at a rate of one-third per year on March 8, 2024, 13,333 shares of restricted stock of a grant of 20,000 shares which commenced vesting at a rate of one-third per year commencing on October 28, 2025 and 5,907 shares of restricted stock which vest at a rate of one-third per year commencing on January 21, 2026.

2. The options vested at a rate of one-third per year commencing on January 22, 2022.

	/s/ Robert Anderson by P.O.A. for Martha Guerra-Kattou	10/30/2025
	** 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).
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FAQ

What did USCB's insider report on Form 4 for USCB?

An EVP reported a code F transaction on 10/28/2025 for 1,623 shares at $17.6, typically for tax withholding on vesting.

How many USCB shares does the reporting person hold after the transaction?

The reporting person beneficially owned 35,716 shares directly after the reported transaction.

What derivative securities were disclosed for USCB (USCB)?

Options to purchase 40,000 shares of Class A Voting Common Stock at $12.05, expiring on 09/27/2031.

What was the price associated with the non-derivative transaction?

The price was $17.6 per share for the 1,623 shares reported under code F.

What vesting schedules were noted in the footnotes for USCB?

Restricted stock grants vest one-third annually starting on March 8, 2024, January 22, 2025, October 28, 2025, and January 21, 2026.

What does transaction code F indicate in this USCB Form 4?

Code F indicates payment of tax liability by withholding securities incident to vesting of a stock award.