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

USCB (USCB) CEO de la Aguilera exercises options and sells 41,757 shares

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(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

USCB FINANCIAL HOLDINGS, INC. President and CEO Luis de la Aguilera reported option exercises combined with open-market sales of the company’s Class A Voting Common Stock. He exercised stock options to acquire 41,757 shares at an exercise price of $12.05 per share and sold the same number of shares in open-market transactions.

The sales covered 4,931 shares at a weighted average price of $18.01 per share on May 19, 2026 and 36,826 shares at a weighted average price of $18.15 per share on May 20, 2026, with actual trade prices ranging from $18.00–$18.42. Following these transactions, he directly holds 242,945 shares of Class A Voting Common Stock.

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Insider DE LA AGUILERA LUIS
Role President and CEO
Sold 41,757 shs ($757K)
Type Security Shares Price Value
Exercise Stock Option (Right to Buy) 36,826 $0.00 --
Exercise Class A Voting Common Stock 36,826 $12.05 $444K
Sale Class A Voting Common Stock 36,826 $18.15 $668K
Exercise Stock Option (Right to Buy) 4,931 $0.00 --
Exercise Class A Voting Common Stock 4,931 $12.05 $59K
Sale Class A Voting Common Stock 4,931 $18.01 $89K
Holdings After Transaction: Stock Option (Right to Buy) — 66,844 shares (Direct, null); Class A Voting Common Stock — 279,771 shares (Direct, null)
Footnotes (1)
  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. The price reported in column 4 is a weighted price. These shares were sold in multiple transactions at prices ranging from $18.00 to $18.08, 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. The price reported in column 4 is a weighted price. These shares were sold in multiple transactions at prices ranging from $18.03 to $18.42, 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. The stock options vested at the rate of one-third per year commencing on September 27, 2022.
Shares sold 41,757 shares Net open-market sales reported across May 19–20, 2026
Option exercise price $12.05/share Exercise price for stock options converted into common shares
Weighted average sale price 5/19/2026 $18.01/share Class A Voting Common Stock sold in multiple trades
Weighted average sale price 5/20/2026 $18.15/share Class A Voting Common Stock sold in multiple trades
Post-transaction holdings 242,945 shares Class A Voting Common Stock held directly after reported trades
Net buy/sell direction net-sell of 41,757 shares Form 4 transaction summary for these trades
open-market sale financial
"transaction_action": "open-market sale""
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.
Stock Option (Right to Buy) financial
"security_title": "Stock Option (Right to Buy)""
Class A Voting Common Stock financial
"security_title": "Class A Voting Common Stock""
weighted price financial
"The price reported in column 4 is a weighted price."
restricted stock financial
"Includes the grant of 27,632 shares of restricted stock which vest"
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.
Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED 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)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
President and CEO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/19/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Class A Voting Common Stock05/19/2026M4,931A$12.05247,876(1)D
Class A Voting Common Stock05/19/2026S4,931D$18.01(2)242,945(1)D
Class A Voting Common Stock05/20/2026M36,826A$12.05279,771(1)D
Class A Voting Common Stock05/20/2026S36,826D$18.15(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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (Right to Buy)$12.0505/19/2026M4,93109/27/2022(4)09/27/2031Common Stock4,931$0103,670D
Stock Option (Right to Buy)$12.0505/20/2026M36,82609/27/2022(4)09/27/2031Common Stock36,826$066,844D
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 $18.00 to $18.08, 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 $18.03 to $18.42, 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 Aguilera05/21/2026
** Signature of Reporting PersonDate
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)

Source: View Original Filing on SEC EDGAR

FAQ

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

USCB’s President and CEO Luis de la Aguilera exercised stock options for 41,757 shares and sold the same number in open-market trades. These transactions involved Class A Voting Common Stock and reflect an exercise-and-sell pattern rather than a simple open-market purchase or sale.

How many USCB (USCB) shares did the CEO sell and at what prices?

Luis de la Aguilera sold 41,757 shares of Class A Voting Common Stock in total. He sold 4,931 shares at a weighted average price of $18.01 and 36,826 shares at a weighted average price of $18.15, within disclosed intraday price ranges.

What option exercise price applied to the USCB (USCB) CEO’s transactions?

The exercised stock options carried an exercise price of $12.05 per share. Luis de la Aguilera converted these options into 41,757 shares of Class A Voting Common Stock before selling the same number of shares in open-market transactions over two consecutive trading days.

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

After completing the option exercises and open-market sales, Luis de la Aguilera directly holds 242,945 shares of USCB’s Class A Voting Common Stock. This post-transaction balance reflects his remaining direct equity position reported in the Form 4 filing for these specific trades.

Were the USCB (USCB) CEO’s stock sales executed at a single price?

No. The reported prices are weighted averages for multiple trades. Shares sold on May 19, 2026, occurred between $18.00 and $18.08, and those on May 20, 2026, occurred between $18.03 and $18.42, with full trade breakdowns available on request.