Third Coast Bancshares (TCBX) fixes error on reported option grant

Rhea-AI Filing Summary

Third Coast Bancshares, Inc. filed an amended Form 4 to correct an earlier administrative error for director Jeffrey A. Wilkinson. The prior filing had incorrectly reported a grant of 3,600 stock options on March 16, 2026, which the company now states did not occur. The amendment shows no stock options or underlying common shares outstanding for this award, effectively clarifying that no equity grant was made on that date.

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

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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)
03/16/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)
03/17/2026

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

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

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							03/16/2027	03/16/2036	Common Stock	0(1)		0	D

Explanation of Responses:

1. This Amendment on Form 4/A (this "Amendment") amends the Form 4 filed on March 17, 2026 (the "Original Form 4") solely to correct an administrative error, which resulted in the inadvertent erroneous reporting of the granting of equity awards to the reporting person on March 16, 2026. Specifically, Table II of the Original Form 4 incorrectly reported the grant of 3,600 options to acquire common stock of the issuer to the reporting person, which did not occur.

	/s/ R. John McWhorter, attorney-in-fact	03/18/2026
	** 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 does the Third Coast Bancshares (TCBX) amended Form 4/A change?

The amended Form 4/A corrects an administrative error that previously showed a stock option grant to director Jeffrey A. Wilkinson. It clarifies that the reported grant did not occur and removes the erroneously reported 3,600 options from his disclosed holdings.

Did Jeffrey A. Wilkinson actually receive 3,600 stock options from TCBX?

No, the company states that the earlier Form 4 mistakenly reported a grant of 3,600 options to acquire common stock. The amended filing confirms this grant did not occur and adjusts the disclosure so no options are shown as granted on that date.

What is the purpose of this Third Coast Bancshares Form 4/A amendment?

The purpose is to correct Table II of the original Form 4, which inadvertently reported an equity award that was never granted. By filing the amendment, the company aligns its insider trading records with the actual absence of any option grant.

How many stock options does the amended TCBX filing show for the corrected grant?

The amended filing shows zero options and zero underlying common shares for the previously reported grant. This reflects that no stock option award was made to the reporting person on March 16, 2026, despite the earlier incorrect disclosure.

Who is the reporting person in the Third Coast Bancshares Form 4/A?

The reporting person is director Jeffrey A. Wilkinson. The amended Form 4 corrects prior disclosure that had mistakenly shown a stock option grant to him, confirming that the reported 3,600-option award never took place and should not be reflected in his holdings.