What is Brooke Adler’s direct ACIC share ownership after these transactions?

Following the reported transactions, Adler directly owns 124,108 shares of ACIC Common Stock. This figure reflects net holdings after both the award exercises and the tax-withholding share disposition.

American Coastal (NASDAQ: ACIC) officer exercises stock units, uses shares for taxes

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

AMERICAN COASTAL INSURANCE Corp Secretary Brooke Adler reported several equity compensation transactions on May 7, 2026. Adler exercised derivative awards, acquiring 11,234 shares of Common Stock, while 2,737 shares were disposed of to cover tax obligations at $10.85 per share. Additional exercises converted performance stock units, restricted stock units, and related dividend equivalent units into common stock. After these mostly routine compensation-related transactions, Adler directly holds 124,108 shares of Common Stock.

Insider Trade Summary

8,425 shares exercised/converted

Mixed 6 txns

Insider Adler Brooke

Role Secretary

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	2,634	$0.00	--
Exercise	Performance Stock Units	5,267	$0.00	--
Exercise	Dividend Equivalent Units	175	$11.31	$2K
Exercise	Dividend Equivalent Units	349	$11.31	$4K
Exercise	Common Stock	11,234	$0.00	--
Tax Withholding	Common Stock	2,737	$10.85	$30K

Holdings After Transaction: Restricted Stock Units — 8,079 shares (Direct, null); Performance Stock Units — 16,157 shares (Direct, null); Dividend Equivalent Units — 543 shares (Direct, null); Common Stock — 124,108 shares (Direct, null)

Footnotes (1)

Each stock unit represents a conditional right to receive one share of the company's common stock. The restricted stock units are subject to vesting over three years with one third, rounded down to the nearest whole share of stock, vesting in each period. The performance units are subject to vesting over three years with one third, rounded down to the nearest whole share of stock, vesting in each period. The number of shares of common stock that will be delivered for each performance stock unit depends on the achievement of certain performance factors. Depending on actual performance, the number of shares of common stock delivered upon the vesting date (based on the terms outlined in the respective award agreement) can range from 0% to 150% of the number presented above. The dividend equivalent units will vest proportionately with the underlying restricted stock units to which they relate. The dividend equivalent units will vest proportionately with the underlying performance stock units to which they relate.

Key Figures

Tax-withholding shares: 2,737 shares Tax-withholding price: $10.85/share Common shares acquired via exercise: 11,234 shares +5 more

8 metrics

Tax-withholding shares 2,737 shares Common Stock disposed at $10.85 per share for taxes on May 7, 2026

Tax-withholding price $10.85/share Price per share for 2,737 Common Stock tax-withholding shares

Common shares acquired via exercise 11,234 shares Common Stock acquired through derivative exercise on May 7, 2026

Common shares held after transactions 124,108 shares Direct ownership of Common Stock following all reported transactions

Derivative shares exercised 8,425 shares ExerciseShares in transactionSummary for derivative awards (M code)

Dividend Equivalent Units exercised (349) 349 units Dividend Equivalent Units converted with 349 underlying Common Stock shares

Dividend Equivalent Units exercised (175) 175 units Dividend Equivalent Units converted with 175 underlying Common Stock shares

Performance Stock Units exercised 5,267 units Performance Stock Units converted into 5,267 underlying Common Stock shares

Key Terms

Restricted Stock Units, Performance Stock Units, Dividend Equivalent Units, tax-withholding disposition, +1 more

5 terms

Restricted Stock Units financial

"The restricted stock units are subject to vesting over three years"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Performance Stock Units financial

"The performance units are subject to vesting over three years"

Performance stock units are a type of company award that grants employees shares of stock only if certain performance goals are met. They motivate employees to work toward specific company achievements, aligning their interests with those of shareholders. For investors, they can influence a company's future stock supply and reflect management’s confidence in reaching key targets.

Dividend Equivalent Units financial

"The dividend equivalent units will vest proportionately with the underlying restricted stock units"

Dividend equivalent units are bookkeeping credits that mirror cash dividends paid on actual shares, granted to holders of stock-based awards such as restricted stock units or deferred compensation. They matter to investors because they increase a company’s reported employee compensation cost and can lead to issuance of more shares or cash payouts over time, similar to extra pay linked to ownership that affects shareholder dilution and corporate cash flow.

tax-withholding disposition financial

"Payment of exercise price or tax liability by delivering securities"

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

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Form 4 Insider Transactions: What Each Field Means →

05/11/2026 - 04:11 PM

SEC Form 4

FORM 4

UNITED 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^*

Adler Brooke

(Last)

(First)

(Middle)

570 CARILLON PARKWAY, SUITE 100

(Street)

ST. PETERSBURG

FLORIDA

33716

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
AMERICAN COASTAL INSURANCE Corp [ ACIC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Secretary

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/07/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form 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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	05/07/2026		M		11,234	A	$0.00	124,108	D
Common Stock	05/07/2026		F		2,737	D	$10.85	121,371	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽¹⁾	05/07/2026		M			2,634	⁽²⁾	⁽²⁾	Common Stock	2,634	$0.00	8,079	D
Performance Stock Units	⁽¹⁾	05/07/2026		M			5,267	⁽³⁾	⁽⁴⁾	Common Stock	5,267	$0.00	16,157	D
Dividend Equivalent Units	⁽¹⁾	05/07/2026		M			175	⁽⁵⁾	⁽⁵⁾	Common Stock	175	$11.31	543	D
Dividend Equivalent Units	⁽¹⁾	05/07/2026		M			349	⁽⁶⁾	⁽⁶⁾	Common Stock	349	$11.31	1,087	D

Explanation of Responses:

1. Each stock unit represents a conditional right to receive one share of the company's common stock.

2. The restricted stock units are subject to vesting over three years with one third, rounded down to the nearest whole share of stock, vesting in each period.

3. The performance units are subject to vesting over three years with one third, rounded down to the nearest whole share of stock, vesting in each period.

4. The number of shares of common stock that will be delivered for each performance stock unit depends on the achievement of certain performance factors. Depending on actual performance, the number of shares of common stock delivered upon the vesting date (based on the terms outlined in the respective award agreement) can range from 0% to 150% of the number presented above.

5. The dividend equivalent units will vest proportionately with the underlying restricted stock units to which they relate.

6. The dividend equivalent units will vest proportionately with the underlying performance stock units to which they relate.

	/s/ Alexander Baty, Attorney-in-Fact for Brooke Adler	05/11/2026
	** Signature of Reporting Person	Date
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 did ACIC officer Brooke Adler report in this Form 4?

Brooke Adler reported exercising equity awards and settling related taxes in stock. The transactions converted derivative awards into Common Stock and used some shares to pay tax obligations.

How many ACIC common shares did Brooke Adler acquire on May 7, 2026?

Adler acquired 11,234 shares of ACIC Common Stock through exercises of derivative awards. These awards included performance stock units, restricted stock units, and associated dividend equivalent units.

How many ACIC shares were used for tax withholding in this filing?

A total of 2,737 shares of ACIC Common Stock were disposed of to satisfy tax liabilities. This tax-withholding transaction was priced at $10.85 per share, according to the Form 4 data.

Were these ACIC Form 4 transactions open-market buys or sells?

No, the Form 4 shows compensation-related activity, not open-market trades. The transactions are primarily award exercises and a tax-withholding share disposition, rather than discretionary buying or selling in the open market.

What types of equity awards did Brooke Adler exercise at ACIC?

Adler exercised performance stock units, restricted stock units, and dividend equivalent units. Each unit represents a conditional right to receive one share of ACIC Common Stock, subject to vesting and performance conditions.