Third Coast Bancshares officer awarded 669 shares

Third Coast Bancshares, Inc. officer Christopher Seay Peacock reported an acquisition of 669 shares of restricted common stock as a grant or award.

Rhea-AI Filing Summary

Third Coast Bancshares, Inc. officer Christopher Seay Peacock reported an acquisition of 669 shares of restricted common stock as a grant or award. These restricted shares vest in three equal annual installments beginning on the anniversary of the grant date, subject to the award’s terms.

Following the grant, he directly holds 2,158 shares of common stock. The filing also notes an indirect holding of 1,622 shares through an ESOP, reflecting additional beneficial ownership held via the employee stock ownership plan.

Insights

Insider transactions analyst

Compensation-related stock grant, not an open-market trade.

Christopher Seay Peacock received 669 shares of restricted common stock in a grant categorized as a “grant, award, or other acquisition.” The shares were issued at a stated price of $0.00 per share, indicating a compensation award rather than a purchase.

The restricted stock vests in three equal annual installments starting on the grant anniversary, so full ownership depends on continued service and award conditions. After this grant, he directly owns 2,158 shares and indirectly holds 1,622 shares through an ESOP, suggesting this is a routine equity compensation event rather than a directional market bet.

Insider Trade Summary

Grant/Award: 669 shares

Grant/Award 2 txns

Insider Peacock Christopher Seay

Role See Remarks

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	669	$0.00	$0.00
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 2,158 shares (Direct); Common Stock — 1,622 shares (Indirect, By ESOP)

Footnotes (1)

1. F1. Represents shares of restricted common stock, which vest in three equal annual installments beginning on the anniversary of the grant date, subject to the terms of the award.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did TCBX officer Christopher Seay Peacock report?

Christopher Seay Peacock reported receiving 669 shares of restricted common stock as a grant. The award was recorded at a price of $0.00 per share, indicating equity compensation rather than an open-market purchase, and increased his direct holdings to 2,158 shares.

How many Third Coast Bancshares (TCBX) shares does the insider own after this Form 4?

After the reported grant, Christopher Seay Peacock directly holds 2,158 shares of Third Coast Bancshares common stock. The filing also shows an additional 1,622 shares held indirectly through an employee stock ownership plan (ESOP), reflecting further beneficial ownership via that plan structure.

Is the TCBX insider transaction a stock grant or an open-market trade?

The transaction is a stock grant, not an open-market trade. It is coded as a grant, award, or other acquisition, with 669 restricted shares issued at $0.00 per share, indicating compensation rather than a discretionary buy or sell decision in the open market.

What is the vesting schedule for the 669 restricted TCBX shares?

The 669 restricted shares vest in three equal annual installments. Vesting begins on the anniversary of the grant date and remains subject to the terms of the award, meaning the insider gains full ownership over time if those conditions continue to be satisfied.

How are indirect TCBX holdings reported for Christopher Seay Peacock?

Indirect holdings are reported separately from direct holdings. The Form 4 lists 1,622 shares held indirectly “By ESOP,” indicating ownership through an employee stock ownership plan, while 2,158 shares are listed as directly owned following the restricted stock grant.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 03/17/2026 - 05:00 PM Learn about SEC filing dates

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^*

Peacock Christopher Seay

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	See Remarks

3. Date of Earliest Transaction (Month/Day/Year)
03/15/2026

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	03/15/2026		A		669(1)	A	$0	2,158	D
Common Stock								1,622	I	By ESOP

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 in three equal annual installments beginning on the anniversary of the grant date, subject to the terms of the award.

Remarks:

Executive Vice President and Chief Retail Officer

	/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.