Third Coast director exercises options for 6,000 shares

Third Coast Bancshares director Shelton McDonald exercised stock options to acquire additional common shares.

Rhea-AI Filing Summary

Third Coast Bancshares director Shelton McDonald exercised stock options to acquire additional common shares. He converted options into 6,000 shares of Common Stock at $16.43 per share, increasing his direct holdings to 13,476 shares. The reported stock option for 6,000 underlying shares now shows a zero remaining balance after this exercise.

Insights

Equity compensation analyst

Director exercised 6,000 options, increasing his direct share ownership.

Shelton McDonald, a director of Third Coast Bancshares, Inc., exercised stock options to acquire 6,000 common shares at $16.43 per share. This is coded as an option exercise (transaction code M), not an open-market purchase or sale.

Following the exercise, his direct holdings rose to 13,476 common shares, while the reported option grant for 6,000 underlying shares now shows zero remaining balance. With no derivative positions listed in the derivativeSummary, this filing reflects a straightforward exercise-and-hold pattern based on the information provided.

Insider Trade Summary

6,000 shares exercised/converted

Exercise 2 txns

Insider McDonald Shelton

Role Director

Type	Security	Shares	Price	Value
Exercise	Stock Option (right to buy)	6,000	$16.43	$99K
Exercise	Common Stock	6,000	$16.43	$99K

Holdings After Transaction: Stock Option (right to buy) — 0 contracts (Direct); Common Stock — 13,476 shares (Direct)

Key Figures

Options exercised: 6,000 shares Exercise price: $16.43 per share Shares held after: 13,476 shares +1 more

4 metrics

Options exercised 6,000 shares Stock options converted into common stock

Exercise price $16.43 per share Stock Option (right to buy) conversion price

Shares held after 13,476 shares Common Stock directly owned after transaction

Exercised option balance 0 shares remaining Reported Stock Option grant following 6,000-share exercise

Key Terms

Stock Option (right to buy), derivative security, Form 4

3 terms

Stock Option (right to buy) financial

"security_title: "Stock Option (right to buy)" with 6,000 underlying shares"

derivative security financial

"transaction_code_description: "Exercise or conversion of derivative security""

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

Form 4 regulatory

"INSIDER FILING DATA (Form 4) for Third Coast Bancshares, Inc."

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

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

What insider transaction did Shelton McDonald report for TCBX?

Shelton McDonald reported exercising stock options to acquire 6,000 shares of Third Coast Bancshares common stock. The transaction used an exercise price of $16.43 per share and is classified as a derivative exercise, not an open-market purchase or sale, under Form 4 reporting rules.

How many Third Coast Bancshares (TCBX) shares does Shelton McDonald now hold?

After the reported transaction, Shelton McDonald directly holds 13,476 shares of Third Coast Bancshares common stock. This reflects the addition of 6,000 shares obtained through exercising stock options at an exercise price of $16.43 per share, as shown in the Form 4 data.

Were any Third Coast Bancshares (TCBX) shares sold in this Form 4 filing?

No shares were reported sold in this Form 4. The filing shows an option exercise coded as transaction type M, where 6,000 stock options were converted into 6,000 shares of common stock at $16.43, increasing the director’s holdings without any accompanying sale transaction.

What was the exercise price of the stock options in the TCBX Form 4?

The stock options were exercised at an exercise price of $16.43 per share. This price applied to 6,000 options labeled as a “Stock Option (right to buy)” and resulted in the acquisition of 6,000 shares of Third Coast Bancshares common stock in the reported transaction.

Does Shelton McDonald still hold stock options in Third Coast Bancshares (TCBX) after this filing?

The specific stock option grant reported in this filing now shows zero shares remaining after exercising 6,000 options. The derivativeSummary section is empty, indicating no other derivative positions are visible in this particular Form 4 disclosure for Shelton McDonald.

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

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Accepted by SEC EDGAR 05/08/2026 - 04:30 PM Learn about SEC filing dates

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^*

McDonald Shelton

(Last) (First) (Middle)

20202 HIGHWAY 59 NORTH, SUITE 190

(Street)

HUMBLE TEXAS 77338

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Third Coast Bancshares, Inc. [ TCBX ]

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)
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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	05/07/2026		M		6,000	A	$16.43	13,476	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 buy)	$16.43	05/07/2026		M			6,000	01/01/2023	01/01/2031	Common Stock	6,000	$16.43	0	D

Explanation of Responses:

	/s/ R. John McWhorter, attorney-in-fact	05/08/2026
	** 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)