Director at Third Coast (NASDAQ: TCBX) gets 1,318-share stock award

Rhea-AI Filing Summary

Stich Mary reported acquisition or exercise transactions in this Form 4 filing.

Third Coast Bancshares, Inc. director Mary Stich received a grant of 1,318 shares of restricted common stock on May 21, 2026. The award was issued at no purchase price and will vest on the anniversary of the grant date, increasing her direct holdings to 4,237 shares.

Insider Trade Summary

Net Buyer: 1,318 shares

Net Buy 1 txn

Insider Stich Mary

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	1,318	$0.00	$0.00

Holdings After Transaction: Common Stock — 4,237 shares (Direct)

Footnotes (1)

1. F1. Represents shares of restricted common stock, which vest on the anniversary of the grant date, subject to the terms of the award.

Key Figures

Restricted shares granted: 1,318 shares Grant price per share: $0.0000 per share Shares owned after grant: 4,237 shares

3 metrics

Restricted shares granted 1,318 shares Grant of restricted common stock on May 21, 2026

Grant price per share $0.0000 per share Recorded price for restricted stock award

Shares owned after grant 4,237 shares Total direct common stock holdings after transaction

Key Terms

restricted common stock, vest, grant, award, or other acquisition

3 terms

restricted common stock financial

"Represents shares of restricted common stock, which vest on the anniversary"

Restricted common stock is company shares that carry limits on selling or transferring for a set period or until certain conditions are met, like time-based vesting or regulatory clearance. Think of them as shares in a locked box that gradually open; they can become freely tradable later but initially reduce the number of shares available on the market. Investors watch restricted stock because its eventual release can change a company’s share supply, affect stock price, and influence control and dilution.

vest financial

"restricted common stock, which vest on the anniversary of the grant date"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

grant, award, or other acquisition financial

"Transaction code A is described as Grant, award, or other acquisition"

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 05/26/2026 - 04:30 PM Learn about SEC filing dates

FAQ

What insider transaction did Third Coast Bancshares (TCBX) report for Mary Stich?

Third Coast Bancshares reported that director Mary Stich received a grant of 1,318 shares of restricted common stock. The grant was recorded as a compensation-related award, with no cash price paid per share, increasing her direct ownership to a total of 4,237 shares afterward.

How many Third Coast Bancshares (TCBX) shares did Mary Stich hold after the Form 4 transaction?

After the reported transaction, director Mary Stich held 4,237 shares of Third Coast Bancshares common stock directly. This total reflects the addition of 1,318 restricted shares granted to her, which will vest on the anniversary of the grant date under the award’s terms.

Was the Third Coast Bancshares (TCBX) Form 4 transaction a market purchase or sale?

The Form 4 transaction was not a market purchase or sale. It reflects a grant or award acquisition of 1,318 restricted common shares to director Mary Stich, recorded at a price of $0.0000 per share as part of her equity-based compensation arrangements.

What are the vesting terms of Mary Stich’s restricted stock in Third Coast Bancshares (TCBX)?

The 1,318 shares granted to Mary Stich are restricted common stock that vest on the anniversary of the grant date. Vesting is subject to the terms of the award, meaning she receives full ownership over time rather than immediately at the grant date.

Does the Third Coast Bancshares (TCBX) Form 4 show any derivative securities for Mary Stich?

The Form 4 data show no derivative security positions for Mary Stich. The filing lists one non-derivative transaction: a grant of 1,318 restricted common shares, with the derivative section empty and no option or warrant exercises or conversions reported in this filing.

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^*

Stich Mary

(Last) (First) (Middle)

20202 HIGHWAY 59 NORTH, SUITE 190

(Street)

HUMBLE TEXAS 77338

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/21/2026

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

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

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

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	05/21/2026		A		1,318(1)	A	$0	4,237	D

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

Explanation of Responses:

1. Represents shares of restricted common stock, which vest on the anniversary of the grant date, subject to the terms of the award.

	/s/ R. John McWhorter, attorney-in-fact	05/26/2026
	** 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.
* Form 4: SEC 1474 (03-26)