Prosperity Bancshares (PB) EVP boosts stake with 571-share purchase

Rhea-AI Filing Summary

Prosperity Bancshares Inc. executive reports additional share ownership. An Executive Vice President of Prosperity Bancshares Inc. acquired 571 shares of common stock on 12/31/2025 at a price of $69.11 per share. Following this transaction, the executive beneficially owns 31,543 shares directly and 10,169 shares indirectly through a 401(k) plan. The indirect holdings include 895 shares that were acquired through the Prosperity Bancshares, Inc. 401(k) plan since the executive’s last ownership report.

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
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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).

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^*

Dowdell Robert J.

(Last) (First) (Middle)

4295 SAN FELIPE

(Street)

HOUSTON TX 77027

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
12/31/2025

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	12/31/2025		A		571	A	$69.11	31,543	D
Common Stock								10,169(1)	I	Through 401(k) plan

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. Includes 895 shares acquired through the Prosperity Bancshares, Inc. 401(k) plan since the last filing by the reporting person.

	/s/ Robert J. Dowdell	01/02/2026
	** 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.

FAQ

What insider transaction did Prosperity Bancshares (PB) disclose in this Form 4?

The filing shows an Executive Vice President of Prosperity Bancshares Inc. acquired 571 shares of common stock on 12/31/2025 at $69.11 per share.

How many Prosperity Bancshares (PB) shares does the executive own after the reported transaction?

After the transaction, the executive beneficially owns 31,543 shares of common stock directly and 10,169 shares indirectly through a 401(k) plan.

What is the executive’s role at Prosperity Bancshares (PB)?

The reporting person is an Executive Vice President of Prosperity Bancshares Inc., as indicated under the relationship to issuer section.

How were some of the indirect Prosperity Bancshares (PB) shares acquired?

The explanation notes that the indirect holdings include 895 shares acquired through the Prosperity Bancshares, Inc. 401(k) plan since the last ownership filing by the reporting person.

Does the filing show both direct and indirect ownership of Prosperity Bancshares (PB) stock?

Yes. It lists 31,543 shares held with direct ownership and 10,169 shares with indirect ownership through a 401(k) plan.

What type of security was involved in the Prosperity Bancshares (PB) insider transaction?

The transaction involved common stock of Prosperity Bancshares Inc., reported in the non-derivative securities table.