Prosperity Bancshares (PB) director Ned Holmes sells 1,100 shares

Rhea-AI Filing Summary

Prosperity Bancshares director Ned S. Holmes reported open-market sales of a total of 1,100 shares of Common Stock on March 18, 2026. The transactions included 500 directly held shares sold at a weighted average price of $64.2784 per share, with 79,915 shares directly owned afterward.

Additional sales involved 500 shares held through a profit sharing plan at a weighted average price of $64.2900, leaving 97,193 such shares, and 100 shares held as trustee of a trust for his adult daughter at a weighted average price of $64.3028, leaving 41,400 shares. Footnotes state these prices are weighted averages from multiple trades between about $63.93 and $64.61.

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

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

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^*

HOLMES NED S

(Last) (First) (Middle)

80 SUGAR CREEK CENTER BLVD.

(Street)

SUGAR LAND TEXAS 77478

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
PROSPERITY BANCSHARES INC [ PB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/18/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form 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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/18/2026		S		500	D	$64.2784(1)	79,915	D
Common Stock	03/18/2026		S		500	D	$64.29(2)	97,193	I	By profit sharing plan
Common Stock	03/18/2026		S		100	D	$64.3028(3)	41,400	I	As trustee of SSH trust for adult daughter
Common Stock								2,000	I	By spouse
Common Stock								8,820	I	As trustee of granchildren's trust
Common Stock								3,720	I	By trust
Common Stock								70,070	I	By limited partnership

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. The price reported in Column 4 of is a weighted average price. The shares were sold in multiple transactions at prices ranging from $63.99 to $64.61 inclusive. The reporting person undertakes to provide Prosperity Bancshares, any security holder of Prosperity Bancshares or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (1), (2) and (3) to this Form 4.

2. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $63.99 to $64.61 inclusive.

3. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $63.925 to $64.53 inclusive.

	/s/ Charlotte M. Rasche, Attorney in Fact	03/19/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider activity did Prosperity Bancshares (PB) report for Ned S. Holmes?

Prosperity Bancshares reported that director Ned S. Holmes and related accounts sold 1,100 shares of Common Stock on March 18, 2026. The sales were open-market transactions spread across direct holdings, a profit sharing plan, and a trust for his adult daughter.

At what prices were the Prosperity Bancshares (PB) shares sold by Ned S. Holmes?

The reported per-share prices were weighted averages around $64.28 to $64.30. Footnotes explain the actual trades occurred in multiple executions, with prices ranging roughly from $63.925 to $64.61 per share across the three reported sale entries.

How many Prosperity Bancshares (PB) shares does Ned S. Holmes hold after the reported sales?

After the March 18, 2026 transactions, Holmes directly holds 79,915 shares. Indirectly, 97,193 shares remain in a profit sharing plan and 41,400 shares remain in a trust for his adult daughter, in addition to other indirect holdings disclosed as standing positions.

Were the Prosperity Bancshares (PB) insider sales by Ned S. Holmes routine or linked to derivatives?

The filing shows only non-derivative Common Stock sales coded as open-market transactions, with no option exercises or derivative conversions reported. The derivative summary is empty, indicating no derivative securities activity was included in this particular Form 4 filing.

Do the Prosperity Bancshares (PB) Form 4 footnotes mention a trading plan for Ned S. Holmes?

The footnotes focus on pricing details, stating that reported prices are weighted averages for multiple trades within specified price ranges. They do not reference any Rule 10b5-1 trading plan or other pre-arranged trading arrangement in the excerpt provided.