BlackRock holds 6.7% of Third Coast Bancshares

BlackRock, Inc. filed an amended beneficial ownership report for Third Coast Bancshares, Inc. common stock.

Rhea-AI Filing Summary

BlackRock, Inc. filed an amended beneficial ownership report for Third Coast Bancshares, Inc. common stock. BlackRock reports beneficial ownership of 1,114,377 shares, representing 6.7% of the outstanding common stock.

BlackRock has sole voting power over 1,096,723 shares and sole dispositive power over 1,114,377 shares, with no shared voting or dispositive power. The filing notes that various underlying clients or investors have rights to dividends or sale proceeds, but no single person has more than five percent of Third Coast Bancshares’ total outstanding common shares.

Key Figures

Beneficially owned shares: 1,114,377 shares Ownership percentage: 6.7% Sole voting power: 1,096,723 shares +3 more

6 metrics

Beneficially owned shares 1,114,377 shares Common stock of Third Coast Bancshares, Inc. reported by BlackRock, Inc.

Ownership percentage 6.7% Percent of Third Coast Bancshares common stock class beneficially owned by BlackRock

Sole voting power 1,096,723 shares Shares over which BlackRock has sole power to vote or direct the vote

Shared voting power 0 shares Shares over which BlackRock has shared power to vote

Sole dispositive power 1,114,377 shares Shares over which BlackRock has sole power to dispose or direct disposition

Shared dispositive power 0 shares Shares over which BlackRock has shared power to dispose

Key Terms

beneficially owned, sole voting power, sole dispositive power, percent of class, +1 more

5 terms

beneficially owned financial

"reflects the securities beneficially owned, or deemed to be beneficially owned, by certain business units"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

sole voting power financial

"Sole Voting Power 1,096,723.00"

Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.

sole dispositive power financial

"Sole Dispositive Power 1,114,377.00"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

percent of class financial

"Percent of class: 6.7 %"

Percent of class is the portion of a specific category of securities—such as a company’s common shares, preferred shares, or a bond series—that takes part in or approves a corporate action (vote, consent, tender, etc.). Investors watch this number because it reveals how much support or opposition exists within that particular shareholder group; like counting how many members of a club back a proposal, it can determine whether a plan passes or how influence is distributed.

CUSIP financial

"CUSIP No.: 88422P109"

A CUSIP is a nine-character alphanumeric code that uniquely identifies a U.S. or Canadian financial security—such as a stock, bond, or fund share—like a Social Security number for an investment. It matters to investors because brokers, exchanges and record-keepers use the CUSIP to match trades, track ownership, settle transactions and pull accurate records, reducing errors and ensuring money and securities go to the right place.

FAQ

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

What percentage of Third Coast Bancshares (TCBX) does BlackRock currently own?

BlackRock reports beneficial ownership of 6.7% of Third Coast Bancshares’ common stock, based on 1,114,377 shares. This ownership stake is disclosed in an amended Schedule 13G filing.

How many TCBX shares does BlackRock report as beneficially owned?

BlackRock reports beneficial ownership of 1,114,377 Third Coast Bancshares common shares. These shares give BlackRock sole dispositive power, while a slightly smaller amount carries sole voting power.

What voting power does BlackRock have over Third Coast Bancshares (TCBX) shares?

BlackRock has sole voting power over 1,096,723 shares of Third Coast Bancshares. The filing states there is no shared voting power over any of the reported shares.

Does any single BlackRock client own more than 5% of TCBX shares?

No single underlying investor has more than 5% of Third Coast Bancshares’ outstanding common shares. The filing notes that various persons may receive dividends or sale proceeds, but none exceeds that threshold.

What type of securities in TCBX are reported by BlackRock in this filing?

The filing covers common stock of Third Coast Bancshares, Inc., identified by CUSIP 88422P109. BlackRock’s beneficial holdings and voting/dispositive powers relate specifically to this class of securities.

Who signed the BlackRock ownership filing for Third Coast Bancshares (TCBX)?

The filing is signed by Spencer Fleming, Managing Director at BlackRock, Inc. The signature attests to the reported beneficial ownership and related disclosures on behalf of BlackRock.

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

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Available on EDGAR 07/30/2026 - 11:20 AM Accepted by SEC EDGAR 07/30/2026 - 11:18 AM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 3)

Third Coast Bancshares, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

88422P109

(CUSIP Number)

06/30/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 88422P109

1

Names of Reporting Persons

BlackRock, Inc.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 1,096,723.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 1,114,377.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,114,377.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

6.7 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Third Coast Bancshares, Inc.
(b)	Address of issuer's principal executive offices: 20202 HIGHWAY 59 NORTH, SUITE 190 HUMBLE TX 77338
Item 2.
(a)	Name of person filing: BlackRock, Inc. In accordance with SEC Release No. 34-39538 (January 12, 1998), this Schedule 13G reflects the securities beneficially owned, or deemed to be beneficially owned, by certain business units (collectively, the "Reporting Business Units") of BlackRock, Inc. and its subsidiaries and affiliates. It does not include securities, if any, beneficially owned by other business units whose beneficial ownership of securities are disaggregated from that of the Reporting Business Units in accordance with such release.
(b)	Address or principal business office or, if none, residence: BlackRock, Inc., 50 Hudson Yards New York, NY 10001
(c)	Citizenship: See Item 4 of Cover Page
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 88422P109
Item 4.	Ownership
(a)	Amount beneficially owned: 1114377
(b)	Percent of class: 6.7 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 1096723
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 1114377
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. Various persons have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of the common stock of Third Coast Bancshares, Inc.. No one person's interest in the common stock of Third Coast Bancshares, Inc. is more than five percent of the total outstanding common shares.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. See Exhibit 99
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

BlackRock, Inc.

Signature:	Spencer Fleming
Name/Title:	Managing Director
Date:	07/30/2026

Exhibit Information

Exhibit 24: Power of Attorney Exhibit 99: Item 7