Third Coast Bancshares (TCBX) director exercises options, updates share ownership

Rhea-AI Filing Summary

Third Coast Bancshares, Inc. director Jeffrey A. Wilkinson exercised a stock option on March 3, 2026, converting rights into 14,776 shares of common stock at $21.77 per share. This derivative exercise increased his directly held common stock to 32,055 shares.

He also reported indirect ownership of 13,777 common shares held through an IRA and 42,755 common shares held indirectly by Jeff and Kelly Wilkinson. The filing reflects an option exercise and updated ownership totals, not an open-market purchase or sale.

Insider Trade Summary

14,776 shares exercised/converted

Mixed 4 txns

Insider Wilkinson Jeffrey A

Role Director

Type	Security	Shares	Price	Value
Exercise	Stock Option (right to buy)	14,776	$21.77	$322K
Exercise	Common Stock	14,776	$21.77	$322K
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Stock Option (right to buy) — 29,225 shares (Direct); Common Stock — 32,055 shares (Direct); Common Stock — 13,777 shares (Indirect, By IRA)

Footnotes (1)

Form 4 Insider Transactions: What Each Field Means →

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^*

Wilkinson Jeffrey A

(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)
03/03/2026

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
Common Stock	03/03/2026		M		14,776	A	$21.77	32,055	D
Common Stock								13,777	I	By IRA
Common Stock								42,755	I	By Jeff and Kelly Wilkinson

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)	$21.77	03/03/2026		M			14,776	12/27/2023	12/27/2028	Common Stock	44,001	$21.77	29,225	D

Explanation of Responses:

	/s/ R. John McWhorter, attorney-in-fact	03/09/2026
	** 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 TCBX director Jeffrey Wilkinson report?

Jeffrey A. Wilkinson reported exercising a stock option to acquire 14,776 shares of Third Coast Bancshares common stock at $21.77 per share. The transaction converted a derivative right into directly owned shares and updated his reported ownership levels in the company’s stock.

At what price did Jeffrey Wilkinson exercise his TCBX stock option?

He exercised the stock option at a price of $21.77 per share for 14,776 shares of common stock. This was reported as an option exercise, not an open-market purchase, and increased his directly owned common stock holdings as disclosed in the Form 4 filing.

How many TCBX shares does Jeffrey Wilkinson now own directly?

Following the option exercise, Jeffrey Wilkinson directly owns 32,055 shares of Third Coast Bancshares common stock. This reflects the addition of 14,776 shares acquired through exercising a stock option, as reported in the Form 4 insider transaction filed for March 3, 2026.

What indirect TCBX shareholdings did Jeffrey Wilkinson report?

He reported indirect ownership of 13,777 common shares held through an IRA and 42,755 common shares held indirectly by Jeff and Kelly Wilkinson. These positions are classified as indirect ownership interests and are separate from his directly owned 32,055 common shares.

Was the TCBX Form 4 transaction a market sale or purchase?

The Form 4 shows an exercise of a stock option, not an open-market sale or purchase. The transaction converted a derivative security into 14,776 shares of common stock at $21.77, increasing reported direct ownership rather than reflecting a trade on the open market.