[Form 4] PROSPERITY BANCSHARES INC Insider Trading Activity

Prosperity Bancshares director Ned S. Holmes reported multiple sales of common stock on January 28, 2026.

Rhea-AI Filing Summary

Prosperity Bancshares director Ned S. Holmes reported multiple sales of common stock on January 28, 2026. The transactions were open-market sales at weighted average prices, including 425 shares at $66.5855, 74 shares at $67.29, and 1 share at $68.00 held directly.

Following these trades, Holmes held 83,415 Prosperity Bancshares shares directly. He also reported indirect holdings of 100,693 shares through a profit sharing plan and 42,100 shares as trustee of an SSH trust for an adult daughter, plus additional indirect positions through a spouse, grandchildren’s trust, another trust, and a limited partnership.

Insider Trade Summary

Net Seller: 1,100 shares

Net Sell 11 txns

Insider HOLMES NED S

Role Director

Sold 1,100 shs ($73K)

Type	Security	Shares	Price	Value
Sale	Common Stock	425	$66.5855	$28K
Sale	Common Stock	74	$67.29	$5K
Sale	Common Stock	1	$68.00	$68.00
Sale	Common Stock	452	$66.5789	$30K
Sale	Common Stock	48	$67.53	$3K
Sale	Common Stock	81	$66.525	$5K
Sale	Common Stock	19	$67.305	$1K
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 83,415 shares (Direct); Common Stock — 100,693 shares (Indirect, By profit sharing plan); Common Stock — 42,100 shares (Indirect, As trustee of SSH trust for adult daughter); Common Stock — 2,000 shares (Indirect, By spouse); Common Stock — 8,820 shares (Indirect, As trustee of granchildren's trust); Common Stock — 3,720 shares (Indirect, By trust); Common Stock — 70,070 shares (Indirect, By limited partnership)

Footnotes (5)

1. F1. The price reported in Column 4 of is a weighted average price. The shares were sold in multiple transactions at prices ranging from $66.12 to $66.96 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) through (5) to this Form 4.
2. F2. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $66.12 to $67.06 inclusive.
3. F3. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $67.29 to $68.00 inclusive.
4. F4. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $66.12 to $66.98 inclusive.
5. F5. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $67.21 to $67.415 inclusive.

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Accepted by SEC EDGAR 01/29/2026 - 04:30 PM Learn about SEC filing dates

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

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).

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 TX 77478

(City) (State) (Zip)

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)

3. Date of Earliest Transaction (Month/Day/Year)
01/28/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

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

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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	01/28/2026		S		425	D	$66.5855(1)	83,490	D
Common Stock	01/28/2026		S		74	D	$67.29	83,416	D
Common Stock	01/28/2026		S		1	D	$68	83,415	D
Common Stock	01/28/2026		S		452	D	$66.5789(2)	100,741	I	By profit sharing plan
Common Stock	01/28/2026		S		48	D	$67.53(3)	100,693	I	By profit sharing plan
Common Stock	01/28/2026		S		81	D	$66.525(4)	42,119	I	As trustee of SSH trust for adult daughter
Common Stock	01/28/2026		S		19	D	$67.305(5)	42,100	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 $66.12 to $66.96 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) through (5) 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 $66.12 to $67.06 inclusive.

3. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $67.29 to $68.00 inclusive.

4. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $66.12 to $66.98 inclusive.

5. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $67.21 to $67.415 inclusive.

	/s/ Charlotte M. Rasche, Attorney in Fact	01/29/2026
	** 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.