FORLENZA JOSEPH M (EVP & CRO) sold 23.0% of their position (12.63K shares) of SEACOAST BANKING CORP OF FLORIDA on the open market

Open‑market sale worth $415.7K — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale

FORLENZA JOSEPH M

Filed: 2/27/2026ACC: 0000730708-26-000072

InsiderFORLENZA JOSEPH MCIK 1830519

→

IssuerSEACOAST BANKING CORP OF FLORIDACIK 730708

Officer· EVP & CRO

Since Oct 2020

-12.63K

Net shares

Net seller

$415.7K

Total sold

Open market trades

0B · 1S

Total transactions

12.63K acquired · 25.27K disposed

Non-Derivative Transactions2

Common Stock

Direct

M · Option Exercise

+12.63K

Price / share

$31.15

Trade value

$393.58K

% of position

29.8%

2/26/2026

42.39K→55.03K

Common Stock

Direct

S · Sale

−12.63K

Price / share

$32.90

Trade value

$415.69K

% of position

23.0%

2/26/2026

55.03K→42.39K

Total

Net shares

+0.00

Net value

-$22.11K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	2/26/2026	M · Option Exercise	+12.63K	$31.15	$393.58K	29.8%	42.39K	55.03K
Common Stock Direct	2/26/2026	S · Sale	−12.63K	$32.90	$415.69K	23.0%	55.03K	42.39K
Total			+0.00		-$22.11K

Derivative Transactions1

Common Stock Right to Buy

Direct

M · Option Exercise

Converts to

Common Stock

12.63K shares

−12.63K

Strike price

31.15

Held after

0.00

Exercisable

—

2/26/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Common Stock Right to Buy Direct	Common Stock12.63K shares	2/26/2026	M · Option Exercise	−12.63K	31.15	—	0.00

Non-Derivative Holdings (Post-Transaction)3

Common Stock

Direct

Shares owned9.50K

Common Stock

Direct

Shares owned1.53K

Common Stock

Direct

Shares owned4.17K

Total

15.19K direct15.19K

Security Title	Shares Owned	Ownership Type
Common Stock	9.50K	Direct
Common Stock	1.53K	Direct
Common Stock	4.17K	Direct
Total	15.19K	15.19K direct

Derivative Holdings (Post-Transaction)0

No derivative holdings reported