USCB CEO exercises options and sells 3,290 shares

USCB Financial Holdings, Inc. President and CEO Luis de la Aguilera exercised stock options for 3,290 shares of Class A Voting Common Stock at $12.05 per share and sold 3,290 shares in open‑market transactions at weighted prices of $18.06 and $18.05.

Rhea-AI Filing Summary

USCB Financial Holdings, Inc. President and CEO Luis de la Aguilera exercised stock options for 3,290 shares of Class A Voting Common Stock at $12.05 per share and sold 3,290 shares in open‑market transactions at weighted prices of $18.06 and $18.05. Following these transactions, he directly holds 242,945 Class A shares. The sales were executed in multiple trades within price ranges of $18.02–$18.19 and $18.00–$18.17.

Insider Trade Summary

Exercise and sale activity reported; no spread calculated

Exercise and Sale 6 txns

Insider DE LA AGUILERA LUIS

Role President and CEO

Sold 3,290 shs ($59K)

Approx. gross sale proceeds $59K

Approx. exercise cost $40K

Type	Security	Shares	Price	Value
Exercise	Stock Option (Right to Buy)	2,485	$0.00	$0.00
Exercise	Class A Voting Common Stock	2,485	$12.05	$30K
Sale	Class A Voting Common Stock	2,485	$18.06	$45K
Exercise	Stock Option (Right to Buy)	805	$0.00	$0.00
Exercise	Class A Voting Common Stock	805	$12.05	$10K
Sale	Class A Voting Common Stock	805	$18.05	$15K

Holdings After Transaction: Stock Option (Right to Buy) — 108,601 contracts (Direct); Class A Voting Common Stock — 242,945 shares (Direct)

Footnotes (4)

1. F1. Includes the grant of 27,632 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027, 17,102 shares of restricted stock from a grant of 25,653 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 4,045 shares of restricted stock from a grant of 12,136 shares which commenced vesting at a rate of one-third per year on January 22, 2025, and 41,666 shares of restricted stock from a grant of 125,000 shares which commenced vesting at a rate of one-third per year on December 31, 2024.
2. F2. The price reported in column 4 is a weighted price. These shares were sold in multiple transactions at prices ranging from $18.02 to $18.19, inclusive. The reporting person undertakes to provide to USCB, or any security holder of USCB, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
3. F3. The price reported in column 4 is a weighted price. These shares were sold in multiple transactions at prices ranging from $18.00 to $18.17, inclusive. The reporting person undertakes to provide to USCB, or any security holder of USCB, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
4. F4. The stock options vested at the rate of one-third per year commencing on September 27, 2022.

Key Figures

Shares sold: 3,290 shares Sale price (2,485 shares): $18.06 per share Sale price (805 shares): $18.05 per share +5 more

8 metrics

Shares sold 3,290 shares Open‑market sales of Class A Voting Common Stock

Sale price (2,485 shares) $18.06 per share Weighted average sale price on 2,485 shares

Sale price (805 shares) $18.05 per share Weighted average sale price on 805 shares

Options exercised 3,290 shares Stock options exercised into common shares

Exercise price $12.05 per share Conversion price for exercised stock options

Shares held after 242,945 shares Direct Class A Voting Common Stock holdings post‑transactions

Restricted stock grant 27,632 shares Restricted stock vesting one‑third per year from January 27, 2027

Option expiration September 27, 2031 Expiration date for the exercised stock option grant

Key Terms

Class A Voting Common Stock, Stock Option (Right to Buy), restricted stock, weighted price, +1 more

5 terms

Class A Voting Common Stock financial

"security_title: "Class A Voting Common Stock""

Stock Option (Right to Buy) financial

"security_title: "Stock Option (Right to Buy)""

restricted stock financial

"Includes the grant of 27,632 shares of restricted stock which vest at a rate of one-third per year"

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.

weighted price financial

"The price reported in column 4 is a weighted price."

derivative security financial

"transaction_code_description: "Exercise or conversion of derivative security""

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

FAQ

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

What insider transactions did USCB (USCB) CEO Luis de la Aguilera report?

Luis de la Aguilera reported exercising stock options and selling common shares. He exercised options for 3,290 shares at $12.05 each and sold 3,290 Class A Voting Common shares in open‑market trades at weighted average prices of $18.06 and $18.05.

How many USCB (USCB) shares did the CEO sell in this Form 4?

The CEO sold 3,290 Class A Voting Common shares. These included 2,485 shares at a weighted price of $18.06 and 805 shares at a weighted price of $18.05, executed in multiple trades within disclosed intraday price ranges around those averages.

At what prices did the USCB (USCB) CEO exercise and sell his shares?

Luis de la Aguilera exercised stock options at $12.05 per share and sold the resulting common shares at weighted average prices of $18.06 and $18.05. The actual trades occurred within ranges of $18.02–$18.19 and $18.00–$18.17, respectively.

How many USCB (USCB) shares does the CEO hold after these transactions?

After the reported option exercises and sales, Luis de la Aguilera directly holds 242,945 shares of USCB Class A Voting Common Stock. This figure reflects his remaining direct equity stake following the net effect of exercising 3,290 options and selling 3,290 common shares.

What stock option activity did the USCB (USCB) CEO report on this Form 4?

He exercised stock options covering 3,290 underlying common shares at a conversion price of $12.05 per share. These options, described as a Stock Option (Right to Buy), vest in thirds beginning September 27, 2022, and were associated with grants expiring September 27, 2031.

What restricted stock awards are included in the USCB (USCB) CEO’s holdings?

His holdings include several restricted stock grants, such as 27,632 shares vesting one‑third per year starting January 27, 2027, plus portions of earlier grants of 25,653, 12,136, and 125,000 shares that began vesting in thirds on January 21, 2026, January 22, 2025, and December 31, 2024.

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

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Accepted by SEC EDGAR 05/19/2026 - 01:53 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^*

DE LA AGUILERA LUIS

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/15/2026

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	05/15/2026		M		805	A	$12.05	243,750(1)	D
Class A Voting Common Stock	05/15/2026		S		805	D	$18.05(2)	242,945(1)	D
Class A Voting Common Stock	05/18/2026		M		2,485	A	$12.05	245,430(1)	D
Class A Voting Common Stock	05/18/2026		S		2,485	D	$18.06(3)	242,945(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
Stock Option (Right to Buy)	$12.05	05/15/2026		M			805	09/27/2022(4)	09/27/2031	Common Stock	805	$0	111,086	D
Stock Option (Right to Buy)	$12.05	05/18/2026		M			2,485	09/27/2022(4)	09/27/2031	Common Stock	2,485	$0	108,601	D

Explanation of Responses:

1. Includes the grant of 27,632 shares of restricted stock which vest at a rate of one-third per year commencing on January 27, 2027, 17,102 shares of restricted stock from a grant of 25,653 shares which commenced vesting at a rate of one-third per year on January 21, 2026, 4,045 shares of restricted stock from a grant of 12,136 shares which commenced vesting at a rate of one-third per year on January 22, 2025, and 41,666 shares of restricted stock from a grant of 125,000 shares which commenced vesting at a rate of one-third per year on December 31, 2024.

2. The price reported in column 4 is a weighted price. These shares were sold in multiple transactions at prices ranging from $18.02 to $18.19, inclusive. The reporting person undertakes to provide to USCB, or any security holder of USCB, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

3. The price reported in column 4 is a weighted price. These shares were sold in multiple transactions at prices ranging from $18.00 to $18.17, inclusive. The reporting person undertakes to provide to USCB, or any security holder of USCB, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

4. 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 Luis de la Aguilera	05/19/2026
	** 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)