DE LA AGUILERA LUIS (President and CEO) sold 11.0% of their position (30K shares) of USCB FINANCIAL HOLDINGS, INC. on the open market

Open‑market sale worth $544.0K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales

DE LA AGUILERA LUIS

Filed: 5/7/2026ACC: 0001437749-26-015426

InsiderDE LA AGUILERA LUISCIK 1916660

→

IssuerUSCB FINANCIAL HOLDINGS, INC.CIK 1901637

DirectorOfficer· President and CEO

Since Mar 2026

-30K

Net shares

Net seller

$544.0K

Total sold

Open market trades

0B · 2S

Total transactions

30K acquired · 59.99K disposed

Non-Derivative Transactions4

Class A Voting Common Stock

Direct

M · Option Exercise

+16.89K

Price / share

$11.35

Trade value

$191.76K

% of position

7.0%

5/5/2026

242.94K→259.84K

Class A Voting Common Stock

Direct

S · Sale

−16.89K

Price / share

$18.12

Trade value

$306.14K

% of position

6.5%

5/5/2026

259.84K→242.94K

Class A Voting Common Stock

Direct

M · Option Exercise

+13.10K

Price / share

$11.35

Trade value

$148.69K

% of position

5.4%

5/6/2026

242.94K→256.05K

Class A Voting Common Stock

Direct

S · Sale

−13.10K

Price / share

$18.16

Trade value

$237.90K

% of position

5.1%

5/6/2026

256.05K→242.94K

Total

Net shares

+0.00

Net value

-$203.59K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Voting Common Stock Direct	5/5/2026	M · Option Exercise	+16.89K	$11.35	$191.76K	7.0%	242.94K	259.84K
Class A Voting Common Stock Direct	5/5/2026	S · Sale	−16.89K	$18.12	$306.14K	6.5%	259.84K	242.94K
Class A Voting Common Stock Direct	5/6/2026	M · Option Exercise	+13.10K	$11.35	$148.69K	5.4%	242.94K	256.05K
Class A Voting Common Stock Direct	5/6/2026	S · Sale	−13.10K	$18.16	$237.90K	5.1%	256.05K	242.94K
Total			+0.00		-$203.59K

Derivative Transactions2

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

40K shares

−16.89K

Strike price

11.35

Held after

23.11K

Exercisable

—

5/5/2026

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

13.10K shares

−13.10K

Strike price

11.35

Held after

10.01K

Exercisable

—

5/6/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option (Right to Buy) Direct	Common Stock40K shares	5/5/2026	M · Option Exercise	−16.89K	11.35	—	23.11K
Stock Option (Right to Buy) Direct	Common Stock13.10K shares	5/6/2026	M · Option Exercise	−13.10K	11.35	—	10.01K

Non-Derivative Holdings (Post-Transaction)0

No non-derivative holdings reported

Derivative Holdings (Post-Transaction)1

Stock Option (Right to Buy)

Direct

Underlying security

Common Stock

Underlying shares

160K

Shares owned

160K

Exercise price

12.0500

Expiration

—

Exercise window

—

Total

Underlying

160K

Owned

160K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Stock Option (Right to Buy) Direct	Common Stock	12.0500	—	—	160K	160K
Total					160K	160K