CoastalSouth director exercises 55,000 stock options

The net exercise included issuer withholding of 25,319 shares valued at $28.24 each, and the reported option balance afterward was zero.

Available on EDGAR 11/04/2026 - 05:03 PM EST Accepted by SEC EDGAR 11/04/2026 - 05:02 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

CoastalSouth Bancshares, Inc. (COSO) director James S. Macleod exercised stock options covering 55,000 common shares on November 3, 2026, at an exercise price of $13.00 per share. In the net exercise, the issuer withheld 25,319 shares valued at $28.24 each to satisfy the exercise price; the reported option balance after the transaction was zero.

Insider Trade Summary

55,000 shares exercised/converted

Exercise 3 txns

Insider MACLEOD JAMES S

Role Director

Type	Security	Shares	Price	Value
Exercise	Stock Option (right to purchase) F3, F2	55,000	--	--
Exercise	Common Stock	55,000	$13.00	$715K
Exercise Price Payment	Common Stock F1	25,319	$28.24	$715K

Holdings After Transaction: Stock Option (right to purchase) — 0 contracts (Direct); Common Stock — 231,266 shares (Direct)

Holdings Before and After: Stock Option (right to purchase), 55,000 to 0 contracts (Direct); Common Stock, 201,585 to 231,266 shares (Direct)

Footnotes (3)

1. F1. Represents shares withheld by the issuer at a value of $28.24 per share to satisfy the exercise price in connection with the reporting person's net exercise of stock options.
2. F2. The option vested and became exercisable in four equal annual installments of 13,750 shares each on September 22, 2018, September 22, 2019, September 22, 2020, and September 22, 2021. The option was fully vested and exercisable as of September 22, 2021.
3. F3. Not applicable. This transaction represents the exercise of stock options. The exercise price of $13.00 per share is reported in Column 2.

Key Figures

Options exercised: 55,000 options Common shares acquired: 55,000 shares Exercise price: $13.00 per share +3 more

6 metrics

Options exercised 55,000 options November 3, 2026

Common shares acquired 55,000 shares Upon exercise on November 3, 2026

Exercise price $13.00 per share Stock options exercised on November 3, 2026

Shares withheld for exercise price 25,319 shares Withheld by the issuer in the net exercise

Value per withheld share $28.24 per share Value used to satisfy the exercise price

Options remaining after transaction 0 options Reported position following the transaction

Key Terms

net exercise, stock options, exercise price

3 terms

net exercise financial

"reporting person's net exercise of stock options"

A net exercise is a way to convert stock options into shares without paying cash up front: instead of handing over money to buy the optioned shares, the holder receives only the number of shares equal to the option’s value after the company withholds a portion of shares to cover the exercise price and taxes. It matters to investors because it changes how many new shares are issued, affects dilution of existing shareholders, and alters company cash flow compared with a cash exercise.

stock options financial

"exercise of stock options"

Stock options are agreements that give a person the right to buy or sell a company's stock at a specific price within a certain time frame. They are often used as a reward or incentive, similar to a coupon that can be used later if the stock price rises, allowing the holder to make a profit.

exercise price financial

"exercise price of $13.00 per share"

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many options did the COSO director exercise, and at what price?

James S. Macleod, a director of CoastalSouth Bancshares, exercised options covering 55,000 common shares on November 3, 2026, at an exercise price of $13.00 per share. In the net exercise, the issuer withheld 25,319 shares valued at $28.24 each to satisfy the exercise price.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

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^*

MACLEOD JAMES S

(Last) (First) (Middle)

400 GALLERIA PARKWAY

SUITE 1900

(Street)

ATLANTA GEORGIA 30339

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
CoastalSouth Bancshares, Inc. [ COSO ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
11/03/2026

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/03/2026		M		55,000	A	$13	256,585	D
Common Stock	11/03/2026		F(1)		25,319	D	$28.24	231,266	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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (right to purchase)	$13	11/03/2026		M			55,000	(2)	09/22/2027	Common Stock	55,000	(3)	0	D

Explanation of Responses:

1. Represents shares withheld by the issuer at a value of $28.24 per share to satisfy the exercise price in connection with the reporting person's net exercise of stock options.

2. The option vested and became exercisable in four equal annual installments of 13,750 shares each on September 22, 2018, September 22, 2019, September 22, 2020, and September 22, 2021. The option was fully vested and exercisable as of September 22, 2021.

3. Not applicable. This transaction represents the exercise of stock options. The exercise price of $13.00 per share is reported in Column 2.

	/s/ Lauren Hemby, Attorney-in-Fact	11/04/2026
	** 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)