NICHOLAS BUSTLE - 08 Mar 2026 Form 4 Insider Report for USCB FINANCIAL HOLDINGS, INC. (USCB)

Signature
/s/ Robert Anderson by P.O.A. for Nicholas Bustle
Issuer symbol
USCB
Transactions as of
08 Mar 2026
Net transactions value
$0
Form type
4
Filing time
10 Mar 2026, 16:02:22 UTC
Previous filing
28 Jan 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
BUSTLE NICHOLAS EVP and Chief Lending Officer C/O USCB FINANCIAL HOLDINGS, INC., 2301 N.W. 87TH AVENUE, DORAL /s/ Robert Anderson by P.O.A. for Nicholas Bustle 10 Mar 2026 0001916674

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction USCB Class A Voting Common Stock Tax liability -497 -1% $18.45* 46,919 08 Mar 2026 Direct F1
holding USCB Class A Voting Common Stock 9,820 08 Mar 2026 By daughters
holding USCB Class A Voting Common Stock 6,250 08 Mar 2026 By spouse

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding USCB Stock Option (Right to Buy) 30,000 08 Mar 2026 Common Stock 30,000 $11.35 Direct F2
holding USCB Stock Option (Right to Buy) 40,000 08 Mar 2026 Common Stock 40,000 $12.05 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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, 13,333 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.
F2 The stock options vested at the rate of one-third per year commencing on April 17, 2020.
F3 The stock options vested at the rate of one-third per year commencing on September 27, 2022.