PB insider files Form 144 to sell 1,050 common shares

PB reported a planned insider sale under Rule 144, covering a proposed sale of 1,050 shares of common stock through Charles Schwab on or around 12/10/2025 on the NYSE.

Rhea-AI Filing Summary

PB reported a planned insider sale under Rule 144, covering a proposed sale of 1,050 shares of common stock through Charles Schwab on or around 12/10/2025 on the NYSE. The aggregate market value of the shares listed for sale is $75,159.

The filing notes that there were 94,991,832 shares of this class outstanding, providing context for the size of the planned transaction. The seller originally acquired these 1,050 shares on 04/01/2019 as vested restricted stock units granted by the issuer as equity compensation.

FAQ

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

How many PB shares are covered by this Form 144 notice?

The notice covers a proposed sale of 1,050 shares of PB common stock.

What is the aggregate market value of the PB shares to be sold under this Form 144?

The 1,050 PB common shares listed for sale have an aggregate market value of $75,159 based on the figure provided.

When were the PB shares being sold under Form 144 originally acquired?

The 1,050 PB common shares were acquired on 04/01/2019 through the vesting of restricted stock units granted by the issuer as equity compensation.

On which exchange are the PB shares in this Form 144 expected to be sold?

The filing lists the NYSE as the securities exchange where the PB common shares are expected to be sold.

How many PB shares of this class were outstanding according to the Form 144?

The filing states that there were 94,991,832 shares of this class of PB common stock outstanding.

What does the Form 144 representation about material adverse information mean for PB?

By signing the notice, the seller represents that they do not know of any material adverse information about PB's current or prospective operations that has not been publicly disclosed.

What is the approximate date of the planned PB share sale under this Form 144?

The approximate date of sale indicated is 12/10/2025.

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

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Accepted by SEC EDGAR 12/10/2025 - 01:37 PM EST 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	0001397178
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	281-269-7199
Name of Person for Whose Account the Securities are To Be Sold	Henderson Leah
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	Charles Schwab Corp. 3000 Schwab Way Westlake TX 76262	1050	75159.00	94991832	12/10/2025	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 *
Common	04/01/2019	Vested RSUs	Issuer			1050	04/01/2019	Equity Compensation

* 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

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	12/10/2025
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	Leah B Henderson
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)