Third Coast Bancshares (TCBX) director awarded 3,600 stock options at $37.91

Rhea-AI Filing Summary

Third Coast Bancshares, Inc. director Joseph Stunja received a grant of stock options as part of equity compensation. On March 16, 2026, he was awarded 3,600 stock options, each with a conversion price of $37.91 per share of common stock.

The options are exercisable beginning on March 16, 2027 and are scheduled to expire on March 16, 2036. Following this award, Stunja holds 3,600 derivative securities linked to Third Coast Bancshares common stock directly.

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
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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^*

Stunja Joseph

(Last) (First) (Middle)

20202 HIGHWAY 59 NORTH, SUITE 190

(Street)

HUMBLE TX 77338

(City) (State) (Zip)

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)

3. Date of Earliest Transaction (Month/Day/Year)
03/16/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

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

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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

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)	$37.91	03/16/2026		A		3,600		03/16/2027	03/16/2036	Common Stock	3,600	$0	3,600	D

Explanation of Responses:

	/s/ R. John McWhorter, attorney-in-fact	03/17/2026
	** 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.

FAQ

What insider transaction did Third Coast Bancshares (TCBX) report for Joseph Stunja?

Third Coast Bancshares reported that director Joseph Stunja received a grant of 3,600 stock options. These options give him the right to buy common shares at a fixed price in the future as part of his equity compensation package.

How many stock options did TCBX director Joseph Stunja receive?

Director Joseph Stunja received 3,600 stock options. Each option is tied to one share of Third Coast Bancshares common stock, providing potential future ownership if he chooses to exercise the options after they become exercisable.

What is the exercise price of Joseph Stunja’s Third Coast Bancshares (TCBX) options?

The granted options have a conversion or exercise price of $37.91 per share. This means Stunja can later purchase Third Coast Bancshares common stock at $37.91 per share, regardless of the future market price when he exercises.

When can Joseph Stunja start exercising his TCBX stock options?

Joseph Stunja’s stock options become exercisable on March 16, 2027. After that date, he can choose to purchase common shares at the fixed $37.91 exercise price, subject to the terms and conditions of the option award.

When do Joseph Stunja’s Third Coast Bancshares stock options expire?

The stock options granted to Joseph Stunja expire on March 16, 2036. If he does not exercise them by that expiration date, the options will lapse and no longer allow him to buy Third Coast Bancshares common stock.

How many derivative securities does Joseph Stunja hold after this TCBX option grant?

After this grant, Joseph Stunja holds 3,600 derivative securities in the form of stock options. Each option is linked to one share of Third Coast Bancshares common stock and is held as a direct ownership position.