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Third Coast Bancshares (NASDAQ: TCBX) director awarded 1,318 restricted shares

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Swinbank Reagan reported acquisition or exercise transactions in this Form 4 filing.

Third Coast Bancshares, Inc. director Reagan Swinbank reported a compensation-related equity award. Swinbank received a grant of 1,318 shares of restricted common stock at no purchase price, which vest on the anniversary of the grant date, subject to the award’s terms. Following this grant, Swinbank directly holds 43,875 shares of common stock and indirectly holds 20,833 shares through RTS Family LP.

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Insider Swinbank Reagan
Role Director
Type Security Shares Price Value
Grant/Award Common Stock 1,318 $0.00 $0.00
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 43,875 shares (Direct); Common Stock — 20,833 shares (Indirect, By RTS Family LP)
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.
Restricted stock grant 1,318 shares Common Stock award to director Reagan Swinbank
Grant price per share $0.0000 per share Price for restricted common stock award
Direct holdings after grant 43,875 shares Common Stock directly held by Reagan Swinbank
Indirect holdings after grant 20,833 shares Common Stock held indirectly via RTS Family LP
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.
grant, award, or other acquisition financial
"transaction_code_description":"Grant, award, or other acquisition"
indirect ownership financial
"direct_or_indirect":"I","nature_of_ownership":"By RTS Family LP"

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FAQ

What insider stock grant did TCBX director Reagan Swinbank report?

Reagan Swinbank reported a grant of 1,318 shares of restricted common stock in Third Coast Bancshares. The shares were awarded at no purchase price and are part of compensation, rather than an open-market purchase or sale of TCBX stock.

How do Reagan Swinbank’s TCBX shareholdings change after this Form 4?

After the reported award, Reagan Swinbank directly holds 43,875 shares of Third Coast Bancshares common stock. In addition, there are 20,833 shares held indirectly through RTS Family LP, reflecting both personal and related-entity ownership positions disclosed in the Form 4 filing.

What are the vesting terms of Reagan Swinbank’s restricted TCBX shares?

The 1,318 restricted common shares granted to Reagan Swinbank vest on the anniversary of the grant date. Vesting remains subject to the specific terms and conditions of the award, which typically include continued service or other standard requirements outlined in the plan.

Are Reagan Swinbank’s new TCBX shares a market purchase or compensation?

The 1,318 Third Coast Bancshares shares are a compensation-related award, not a market purchase. They were granted at a price of $0.0000 per share as restricted common stock, aligning with typical director equity compensation rather than open-market trading activity.

How many TCBX shares are held indirectly for Reagan Swinbank?

The Form 4 reports 20,833 shares of Third Coast Bancshares common stock held indirectly for Reagan Swinbank by RTS Family LP. This indirect position is separate from Swinbank’s directly held 43,875 shares and is disclosed as indirect ownership in the filing.
SEC Form 4
FORM 4UNITED 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*
Swinbank Reagan

(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)
XDirector10% 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)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock05/21/2026A1,318(1)A$043,875D
Common Stock20,833IBy RTS Family LP
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount 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-fact05/26/2026
** Signature of Reporting PersonDate
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)