Prosperity Bancshares director sells 645 shares

Separate reported positions include 70,070 shares by a limited partnership and 8,820 shares held as trustee of a grandchildren’s trust.

Available on EDGAR 11/05/2026 - 11:15 AM EST Accepted by SEC EDGAR 11/05/2026 - 11:15 AM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Prosperity Bancshares Inc. (PB) director Ned S. Holmes reported transactions dated November 4, 2026, under a Rule 10b5-1 plan. Five entries record sales totaling 645 shares, including 459 shares at $73.9615 and 95 shares at $74.0664. A separate entry identifies 455 shares as acquired at $73.9631 per share, but its transaction description labels it a sale. Indirect sales include shares held through a profit sharing plan and an SSH trust for his adult daughter.

Insider Trade Summary 10b5-1

Net Seller: 1,100 shares

Net Sell 6 txns

Insider HOLMES NED S

Role Director

Sold 1,100 shs ($81K)

Share of Position Sold 0.59%

Type	Security	Shares	Price	Value
Sale	Common Stock	455	$73.9631	$34K
Sale	Common Stock	45	$74.70	$3K
Sale	Common Stock	459	$73.9615	$34K
Sale	Common Stock	41	$74.73	$3K
Sale	Common Stock	95	$74.0664	$7K
Sale	Common Stock	5	$74.50	$372.50
Holding	Common Stock	--	--	--
Holding	Common Stock	--	--	--
Holding	Common Stock	--	--	--
Holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 66,025 shares (Direct); Common Stock — 80,693 shares (Indirect, By profit sharing plan); Common Stock — 38,100 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)

Holdings Before and After: Common Stock, 65,615 to 66,025 shares (Direct); Common Stock, 81,193 to 80,693 shares (Indirect, By profit sharing plan); Common Stock, 38,200 to 38,100 shares (Indirect, As trustee of SSH trust for adult daughter)

Key Figures

Reported acquisition: 455 shares at $73.9631 per share Reported sales: 645 shares Sale price: $73.9615 per share +5 more

8 metrics

Reported acquisition 455 shares at $73.9631 per share November 4, 2026; the entry is also described as a sale

Reported sales 645 shares Five entries dated November 4, 2026

Sale price $73.9615 per share 459-share sale on November 4, 2026

Sale price $74.7000 per share 45-share sale on November 4, 2026

Indirect holding 70,070 shares By limited partnership

Indirect holding 8,820 shares As trustee of grandchildren’s trust

Indirect holding 3,720 shares By trust

Indirect holding 2,000 shares By spouse

Key Terms

Rule 10b5-1 plan, profit sharing plan, SSH trust, limited partnership

4 terms

Rule 10b5-1 plan regulatory

"under a Rule 10b5-1 plan"

A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.

profit sharing plan financial

"By profit sharing plan"

SSH trust technical

"As trustee of SSH trust for adult daughter"

limited partnership financial

"By limited partnership"

A limited partnership is a legal business structure with two types of partners: at least one general partner who runs the business and bears full legal responsibility, and one or more limited partners who contribute money, share profits, and have liability capped at their investment. For investors, it matters because it separates control from financial exposure — like putting money into a store without managing it — and affects how returns, risks, taxes and transferability of ownership are handled.

FAQ

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

How many PB shares did Ned S. Holmes sell, and at what prices?

Five entries list sales totaling 645 shares on November 4, 2026: 45 at $74.7000, 459 at $73.9615, 41 at $74.7300, 95 at $74.0664, and 5 at $74.5000. The transactions were reported under a Rule 10b5-1 plan.

What was Ned S. Holmes’s 455-share PB transaction?

One entry identifies 455 shares as acquired at $73.9631 per share on November 4, 2026, while its transaction description labels the entry as a sale.

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

Form 4 Insider Transactions: What Each Field Means →

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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 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)
11/04/2026

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	11/04/2026		S		455	A	$73.9631	66,070	D
Common Stock	11/04/2026		S		45	D	$74.7	66,025	D
Common Stock	11/04/2026		S		459	D	$73.9615	80,734	I	By profit sharing plan
Common Stock	11/04/2026		S		41	D	$74.73	80,693	I	By profit sharing plan
Common Stock	11/04/2026		S		95	D	$74.0664	38,105	I	As trustee of SSH trust for adult daughter
Common Stock	11/04/2026		S		5	D	$74.5	38,100	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:

	/s/ Charlotte M. Rasche, Attorney in Fact	11/05/2026
	** 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)