Director at Third Coast Bancshares (TCBX) receives 3,600 stock options

Rhea-AI Filing Summary

Third Coast Bancshares, Inc. director Martin Basaldua received a grant of stock options covering 3,600 shares of common stock. These options have an exercise price of 37.91 per share, become exercisable on March 16, 2027, and are scheduled to expire on March 16, 2036. Following this award, he holds options for 3,600 underlying shares 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

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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^*

Basaldua Martin

(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 TCBX disclose for director Martin Basaldua?

Third Coast Bancshares disclosed that director Martin Basaldua received a grant of stock options for 3,600 shares. These options give him the right to buy common stock at a fixed exercise price if he chooses to do so in the future.

How many stock options did the TCBX director receive in this Form 4?

The director received stock options covering 3,600 shares of Third Coast Bancshares common stock. This award increases his potential equity exposure, as he can later choose to exercise these options if conditions are favorable and the options are vested.

What is the exercise price and term of the new TCBX stock options?

The stock options have an exercise price of 37.91 per share and expire on March 16, 2036. This long-dated term gives the director extended time to decide whether to exercise, depending on future company performance and share price levels.

When do Martin Basaldua’s Third Coast Bancshares options become exercisable?

The options become exercisable on March 16, 2027. After that date, Basaldua may choose to purchase up to 3,600 shares at the fixed exercise price, subject to any additional plan or award conditions that may apply.

How many option shares does the TCBX director hold after this transaction?

After this grant, the director is reported as holding options for 3,600 underlying shares. This figure reflects the total for this specific option award reported, providing insight into his potential ownership if all these options are eventually exercised.