Prosperity Bancshares (PB) President & COO reports 2,750-share stock purchase

Rhea-AI Filing Summary

Prosperity Bancshares Inc. reported that its President and COO, who also serves as a director, acquired additional common stock in a recent insider transaction. On 12/31/2025, the reporting person acquired 2,750 shares of common stock at a price of $69.11 per share. Following this transaction, the insider beneficially owned 276,056 shares directly, plus 6,105 shares held indirectly through an IRA.

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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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).

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^*

Hanigan Kevin J

(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
X	Officer (give title below)		Other (specify below)
	President & COO

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		2,750	A	$69.11	276,056	D
Common Stock								6,105	I	By IRA

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:

	/s/ Charlotte M. Rasche, Attorney in fact	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) report in this Form 4?

The filing reports that a director and the President & COO of Prosperity Bancshares Inc. acquired 2,750 shares of common stock in an insider transaction dated 12/31/2025.

At what price were the Prosperity Bancshares (PB) shares acquired in this insider trade?

The reporting person acquired 2,750 shares of Prosperity Bancshares Inc. common stock at a price of $69.11 per share.

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

After the transaction, the insider beneficially owned 276,056 shares of common stock directly and 6,105 shares indirectly through an IRA.

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

The reporting person is a director of Prosperity Bancshares Inc. and serves as its President & Chief Operating Officer.

Was this Prosperity Bancshares (PB) insider trade part of a Rule 10b5-1 trading plan?

The form includes a checkbox for indicating transactions made under a Rule 10b5-1(c) trading plan, but the provided content does not show that this box was checked.

Is this Form 4 for a single Prosperity Bancshares (PB) reporting person?

Yes. The filing indicates that the Form is filed by one reporting person, not by more than one reporting person.