Prosperity Bancshares director plans $626K sale

Director-related accounts in Prosperity Bancshares Inc. have filed to sell 8,800 PB common shares, following earlier June 2026 sales from the same accounts.

Rhea-AI Filing Summary

PROSPERITY BANCSHARES INC (PB) is the issuer for which director Ned S. Holmes has filed a Form 144 notice covering a proposed sale of 8,800 shares of common stock, with an indicated aggregate value of $625,592.00, to be sold through UBS Financial Services Inc. on the NYSE on September 16, 2026.

The filing states that 4,000 shares relate to Ned S. Holmes, 4,000 shares to the Ned S Holmes Profit Sharing Plan, and 800 shares to The Sherrill S Holmes Child's Trust FBO Allison Holmes. It also reports prior sales on June 17, 2026 by these accounts, with gross proceeds of $473,865.50, $473,838.30, and $94,777.11, respectively.

Key Figures

Shares proposed for sale: 8,800 shares Aggregate market value of proposed sale: $625,592.00 Shares under Ned S. Holmes: 4,000 shares +5 more

8 metrics

Shares proposed for sale 8,800 shares Common stock covered by the Form 144 notice

Aggregate market value of proposed sale $625,592.00 Value associated with the 8,800 PB shares to be sold

Shares under Ned S. Holmes 4,000 shares Portion of Form 144 sale allocated to Ned S. Holmes

Shares under Profit Sharing Plan 4,000 shares Portion allocated to Ned S Holmes Profit Sharing Plan

Shares under Child's Trust 800 shares Portion allocated to The Sherrill S Holmes Child's Trust FBO Allison Holmes

Prior sale by Ned S. Holmes 6,500 shares Shares sold on June 17, 2026

Prior sale by Profit Sharing Plan 6,500 shares Shares sold on June 17, 2026

Prior sale by Child's Trust 1,300 shares Shares sold on June 17, 2026

Key Terms

Rule 144, Profit Sharing Plan, gross proceeds, Child's Trust

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Profit Sharing Plan financial

"4,000 shares represented in this filing are being sold under Ned S Holmes Profit Sharing Plan."

gross proceeds financial

"resulting gross proceeds of $473,865.50; 6,500 shares were sold"

The total amount of cash a company receives from a financing event or sale before any fees, expenses, taxes or deductions are taken out. Investors watch gross proceeds because it shows the raw scale of new capital being raised—think of it as the paycheck amount before withholdings—which helps assess how much funding is available for operations, growth, debt payoff or how much shareholder dilution might occur once costs are removed.

Child's Trust financial

"The Sherrill S Holmes Child's Trust FBO Allison Holmes."

FAQ

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

What does the Form 144 filing disclose for PROSPERITY BANCSHARES INC (PB)?

It discloses that director-related accounts for Ned S. Holmes have filed a Form 144 notice to sell 8,800 shares of PB common stock, with an aggregate value of $625,592.00, through UBS Financial Services Inc. on the NYSE on September 16, 2026.

How are the 8,800 PB shares in the Form 144 allocated among Ned S. Holmes accounts?

The filing states that 4,000 shares are being sold under Ned S. Holmes, 4,000 shares under the Ned S Holmes Profit Sharing Plan, and 800 shares under The Sherrill S Holmes Child's Trust FBO Allison Holmes.

What prior PB share sales by Ned S. Holmes accounts are reported in the last 3 months?

On June 17, 2026, the filing reports sales of 6,500 shares by Ned S. Holmes, 6,500 shares by the Ned S Holmes Profit Sharing Plan, and 1,300 shares by The Sherrill S Holmes Child's Trust FBO Allison Holmes.

What gross proceeds were generated by the June 17, 2026 PB stock sales?

The June 17, 2026 sales produced gross proceeds of $473,865.50 for Ned S. Holmes, $473,838.30 for the Ned S Holmes Profit Sharing Plan, and $94,777.11 for The Sherrill S Holmes Child's Trust FBO Allison Holmes.

Who is the broker for the proposed PB share sale under this Form 144?

The proposed sale of 8,800 PB common shares is listed as being handled by UBS Financial Services Inc., located at 11 Madison Avenue, New York, New York, with the shares to be sold on the NYSE.

What is the relationship of Ned S. Holmes to PROSPERITY BANCSHARES INC (PB)?

Ned S. Holmes is identified in the filing as a director of PROSPERITY BANCSHARES INC (PB), and the Form 144 covers sales for his account and related accounts under Rule 144.

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

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Available on EDGAR 09/16/2026 - 04:06 PM Accepted by SEC EDGAR 09/16/2026 - 04:05 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001136856
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	PROSPERITY BANCSHARES INC
SEC File Number	001-35388
Address of Issuer	4295 SAN FELIPE N/A HOUSTON TEXAS 77027
Phone	7136939300
Name of Person for Whose Account the Securities are To Be Sold	HOLMES NED S
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	UBS Financial Services, Inc. 11 Madison Avenue 4th Floor New York NY 10010	8800	625592.00	120176771	09/16/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Title	09/16/2026	Transaction	Person		09/16/2026	100	09/16/2026	Payment
Title	09/16/2026	Transaction	Person		09/16/2026	100	09/16/2026	Payment
Title	09/16/2026	Transaction	Person		09/16/2026	100	09/16/2026	Payment

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Ned S Holmes 4295 SAN FELIPE HOUSTON TX 77027	Common	06/17/2026	6500	473838.30
Ned S Holmes Profit Sharing Plan 4295 SAN FELIPE HOUSTON TX 77027	Common	06/17/2026	6500	473865.50
The Sherrill S Holmes Child's Trust FBO Allison Holmes 4295 SAN FELIPE HOUSTON TX 77027	Common	06/17/2026	1300	94777.11

144: Remarks and Signature

Remarks	4,000 shares represented in this filing are being sold under Ned S Holmes. 4,000 shares represented in this filing are being sold under Ned S Holmes Profit Sharing Plan. 800 shares represented in this filing are being sold under The Sherrill S Holmes Child's Trust FBO Allison Holmes. Between 6/17/2026 and 9/15/2026 6,500 shares were sold by Ned S. Holmes resulting gross proceeds of $473,865.50; 6,500 shares were sold by Ned S. Holmes Profit Sharing Plan resulting in gross proceeds of $473,838.30 and 1,300 shares were sold by The Sherrill S Holmes Child's Trust FBO Allison Holmes resulting in gross proceeds of $94,777.11. Itemized details are provided in the attached Exhibit.
Date of Notice	09/16/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	07/30/2024
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ UBS Financial Services Inc, as attorney-in-fact for Ned S Holmes
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)