Director Lynn Eisenhart granted 3,600 TCBX stock options at $37.91

Rhea-AI Filing Summary

Third Coast Bancshares, Inc. director Lynn Eisenhart received a grant of stock options covering 3,600 shares of common stock as compensation. The options have an exercise price of $37.91 per share, become exercisable on March 16, 2027, and expire on March 16, 2036. Following this award, Eisenhart holds 3,600 stock options directly.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Eisenhart Lynn

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (right to buy)	3,600	$0.00	--

Holdings After Transaction: Stock Option (right to buy) — 3,600 shares (Direct)

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^*

Eisenhart Lynn

(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) disclose?

Third Coast Bancshares disclosed that director Lynn Eisenhart received a grant of stock options for 3,600 shares of common stock. This is a compensation-related award, not an open-market purchase or sale, and was reported on a Form 4 insider filing.

How many stock options did Lynn Eisenhart receive from Third Coast Bancshares (TCBX)?

Lynn Eisenhart received stock options on 3,600 shares of Third Coast Bancshares common stock. These options represent the entire derivative position reported in this filing, with 3,600 options held directly following the grant transaction.

What is the exercise price of Lynn Eisenhart’s TCBX stock options?

The stock options granted to Lynn Eisenhart have an exercise price of $37.91 per share. This means Eisenhart can buy Third Coast Bancshares common stock at $37.91 once the options become exercisable, subject to the stated vesting and expiration terms.

When do Lynn Eisenhart’s Third Coast Bancshares (TCBX) options vest and expire?

Lynn Eisenhart’s stock options become exercisable on March 16, 2027 and expire on March 16, 2036. After vesting, the director may choose to exercise the options any time before the stated expiration date, based on personal and market considerations.

Is Lynn Eisenhart’s Form 4 transaction in TCBX a market buy or sell?

The Form 4 shows a stock option grant classified as an acquisition, not an open-market buy or sell. The transaction was reported with code “A” for grant or award, reflecting compensation rather than a discretionary trade in Third Coast Bancshares shares.