GRIFFITH CHRISTOPHER (Chief Information Officer) exercised options at AMERICAN COASTAL INSURANCE CORP

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise

GRIFFITH CHRISTOPHER

Filed: 4/7/2026ACC: 0001777165-26-000004

InsiderGRIFFITH CHRISTOPHERCIK 1777165

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IssuerAMERICAN COASTAL INSURANCE CORPCIK 1401521

Officer· Chief Information Officer

Since May 2019

-667.00

Net shares

Net seller

$46.5K

Total sold

Open market trades

0B · 0S

Total transactions

14.29K acquired · 14.96K disposed

Non-Derivative Transactions2

Common Stock

Direct

M · Option Exercise

+14.29K

Price / share

—

Trade value

—

% of position

13.9%

4/3/2026

103.02K→117.32K

Common Stock

Direct

F · Tax Withholding

−4.24K

Price / share

$10.97

Trade value

$46.52K

% of position

3.6%

4/3/2026

117.32K→113.08K

Total

Net shares

+10.05K

Net value

-$46.52K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	4/3/2026	M · Option Exercise	+14.29K	—	—	13.9%	103.02K	117.32K
Common Stock Direct	4/3/2026	F · Tax Withholding	−4.24K	$10.97	$46.52K	3.6%	117.32K	113.08K
Total			+10.05K		-$46.52K

Derivative Transactions6

Performance Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

6.43K shares

−6.43K

Strike price

Held after

38.46K

Exercisable

—

4/3/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

3.21K shares

−3.21K

Strike price

Held after

19.23K

Exercisable

—

4/3/2026

Dividend Equivalent Units

Direct

M · Option Exercise

Converts to

Common Stock

222.00 shares

−222.00

Strike price

Held after

1.30K

Exercisable

—

4/3/2026

Dividend Equivalent Units

Direct

M · Option Exercise

Converts to

Common Stock

136.00 shares

−136.00

Strike price

Held after

429.00

Exercisable

—

4/3/2026

Dividend Equivalent Units

Direct

M · Option Exercise

Converts to

Common Stock

445.00 shares

−445.00

Strike price

Held after

2.61K

Exercisable

—

4/3/2026

Dividend Equivalent Units

Direct

M · Option Exercise

Converts to

Common Stock

272.00 shares

−272.00

Strike price

Held after

859.00

Exercisable

—

4/3/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Performance Stock Units Direct	Common Stock6.43K shares	4/3/2026	M · Option Exercise	−6.43K	—	38.46K
Restricted Stock Units Direct	Common Stock3.21K shares	4/3/2026	M · Option Exercise	−3.21K	—	19.23K
Dividend Equivalent Units Direct	Common Stock222.00 shares	4/3/2026	M · Option Exercise	−222.00	—	1.30K
Dividend Equivalent Units Direct	Common Stock136.00 shares	4/3/2026	M · Option Exercise	−136.00	—	429.00
Dividend Equivalent Units Direct	Common Stock445.00 shares	4/3/2026	M · Option Exercise	−445.00	—	2.61K
Dividend Equivalent Units Direct	Common Stock272.00 shares	4/3/2026	M · Option Exercise	−272.00	—	859.00