STOCK TITAN

[Form 4] Prosperity Bancshares Inc Insider Trading Activity

Filing Impact
(Low)
Filing Sentiment
(Negative)
Form Type
4

Ned S. Holmes, a director of Prosperity Bancshares, reported sales of 1,100 shares of the issuer's common stock on 09/10/2025. The sales were executed as multiple transactions under a 10b5-1 written plan and consist of two 500-share dispositions and one 100-share disposition at weighted average prices reported around $67.16 to $67.19 per share. The filing lists Holmes's remaining direct and indirect holdings across several accounts and trusts, with specific post-transaction balances reported for each holding category.

Ned S. Holmes, membro del consiglio di amministrazione di Prosperity Bancshares, ha comunicato la vendita di 1.100 azioni ordinarie dell'emittente in data 10/09/2025. Le vendite sono state eseguite in più operazioni nell'ambito di un piano scritto 10b5-1 e comprendono due disposizioni da 500 azioni ciascuna e una da 100 azioni, a prezzi medi ponderati riportati intorno a $67,16–$67,19 per azione. La segnalazione indica le restanti partecipazioni dirette e indirette di Holmes distribuite su vari conti e trust, con saldi specifici dopo le transazioni per ciascuna categoria di detenzione.

Ned S. Holmes, director de Prosperity Bancshares, informó la venta de 1.100 acciones ordinarias de la emisora el 10/09/2025. Las ventas se realizaron en varias transacciones bajo un plan escrito 10b5-1 y consistieron en dos disposiciones de 500 acciones y una de 100 acciones, a precios promedio ponderados reportados alrededor de $67,16 a $67,19 por acción. La presentación detalla las participaciones directas e indirectas restantes de Holmes en varias cuentas y fideicomisos, con saldos específicos posteriores a la transacción para cada categoría de tenencia.

Prosperity Bancshares의 이사인 Ned S. Holmes는 2025-09-10에 해당 발행회사의 보통주 1,100주를 매각했다고 보고했습니다. 이 매각은 서면 10b5-1 계획에 따라 다수의 거래로 실행되었으며, 각각 500주 처분 두 건과 100주 처분 한 건으로 구성되었고 주당 가중평균 가격은 대략 $67.16~$67.19로 보고되었습니다. 제출서류에는 여러 계좌와 신탁에 걸친 Holmes의 남은 직접 및 간접 보유목록이 기재되어 있으며, 거래 후 각 보유 범주별 구체적인 잔액이 보고되어 있습니다.

Ned S. Holmes, administrateur de Prosperity Bancshares, a déclaré la vente de 1 100 actions ordinaires de l'émetteur le 10/09/2025. Les ventes ont été effectuées en plusieurs transactions dans le cadre d'un plan écrit 10b5-1 et comprennent deux cessions de 500 actions et une de 100 actions, aux prix moyens pondérés déclarés autour de 67,16 $ à 67,19 $ par action. Le dépôt indique les participations directes et indirectes restantes de Holmes réparties sur plusieurs comptes et fiducies, avec les soldes spécifiques après transaction pour chaque catégorie de détention.

Ned S. Holmes, Direktor von Prosperity Bancshares, meldete den Verkauf von 1.100 Stammaktien des Emittenten am 10.09.2025. Die Verkäufe erfolgten als mehrere Transaktionen im Rahmen eines schriftlichen 10b5-1-Plans und umfassen zwei Veräußerungen zu je 500 Aktien und eine zu 100 Aktien, zu gemeldeten gewichteten Durchschnittspreisen von etwa $67,16 bis $67,19 pro Aktie. Die Meldung listet Holmes' verbleibende direkte und indirekte Bestände über mehrere Konten und Trusts auf, mit nach der Transaktion gemeldeten spezifischen Salden für jede Bestandskategorie.

Positive
  • Sales conducted under a 10b5-1 written plan, indicating pre-planned transactions intended to provide an affirmative defense to insider trading allegations
  • Detailed disclosure of direct and indirect holdings across profit-sharing plans, trusts, spouse holdings, and a limited partnership, improving transparency
Negative
  • Insider disposed of 1,100 shares in multiple transactions, representing a reduction in beneficial ownership
  • Sales executed at prices as low as $66.81 (range reported), which realized proceeds below the highest reported transaction price

Insights

TL;DR: Routine insider sales under a 10b5-1 plan; transaction size is modest relative to the detailed holdings disclosed.

The Form 4 discloses 1,100 common shares sold in multiple transactions at weighted average prices in the $66.81 to $67.40 range, executed under a pre-established 10b5-1 plan. The filing provides detailed post-transaction beneficial ownership by direct and indirect holdings across profit-sharing plans, trusts, spouse holdings, and partnerships. There is no disclosure of option exercises or derivative activity. From a market-impact perspective, these appear to be routine liquidity sales rather than signaling material corporate developments.

TL;DR: Governance-wise, use of a 10b5-1 plan and clear categorization of indirect holdings align with standard disclosure practices.

The reporting shows the director checked the box indicating transactions were made pursuant to a 10b5-1 plan, which supports an affirmative defense to insider trading concerns when properly adopted. The Form 4 enumerates direct and multiple indirect ownership vehicles, including trusts and a profit-sharing plan, which helps clarify control and potential conflicts. The filing is signed via attorney in fact, consistent with delegated execution practices.

Ned S. Holmes, membro del consiglio di amministrazione di Prosperity Bancshares, ha comunicato la vendita di 1.100 azioni ordinarie dell'emittente in data 10/09/2025. Le vendite sono state eseguite in più operazioni nell'ambito di un piano scritto 10b5-1 e comprendono due disposizioni da 500 azioni ciascuna e una da 100 azioni, a prezzi medi ponderati riportati intorno a $67,16–$67,19 per azione. La segnalazione indica le restanti partecipazioni dirette e indirette di Holmes distribuite su vari conti e trust, con saldi specifici dopo le transazioni per ciascuna categoria di detenzione.

Ned S. Holmes, director de Prosperity Bancshares, informó la venta de 1.100 acciones ordinarias de la emisora el 10/09/2025. Las ventas se realizaron en varias transacciones bajo un plan escrito 10b5-1 y consistieron en dos disposiciones de 500 acciones y una de 100 acciones, a precios promedio ponderados reportados alrededor de $67,16 a $67,19 por acción. La presentación detalla las participaciones directas e indirectas restantes de Holmes en varias cuentas y fideicomisos, con saldos específicos posteriores a la transacción para cada categoría de tenencia.

Prosperity Bancshares의 이사인 Ned S. Holmes는 2025-09-10에 해당 발행회사의 보통주 1,100주를 매각했다고 보고했습니다. 이 매각은 서면 10b5-1 계획에 따라 다수의 거래로 실행되었으며, 각각 500주 처분 두 건과 100주 처분 한 건으로 구성되었고 주당 가중평균 가격은 대략 $67.16~$67.19로 보고되었습니다. 제출서류에는 여러 계좌와 신탁에 걸친 Holmes의 남은 직접 및 간접 보유목록이 기재되어 있으며, 거래 후 각 보유 범주별 구체적인 잔액이 보고되어 있습니다.

Ned S. Holmes, administrateur de Prosperity Bancshares, a déclaré la vente de 1 100 actions ordinaires de l'émetteur le 10/09/2025. Les ventes ont été effectuées en plusieurs transactions dans le cadre d'un plan écrit 10b5-1 et comprennent deux cessions de 500 actions et une de 100 actions, aux prix moyens pondérés déclarés autour de 67,16 $ à 67,19 $ par action. Le dépôt indique les participations directes et indirectes restantes de Holmes réparties sur plusieurs comptes et fiducies, avec les soldes spécifiques après transaction pour chaque catégorie de détention.

Ned S. Holmes, Direktor von Prosperity Bancshares, meldete den Verkauf von 1.100 Stammaktien des Emittenten am 10.09.2025. Die Verkäufe erfolgten als mehrere Transaktionen im Rahmen eines schriftlichen 10b5-1-Plans und umfassen zwei Veräußerungen zu je 500 Aktien und eine zu 100 Aktien, zu gemeldeten gewichteten Durchschnittspreisen von etwa $67,16 bis $67,19 pro Aktie. Die Meldung listet Holmes' verbleibende direkte und indirekte Bestände über mehrere Konten und Trusts auf, mit nach der Transaktion gemeldeten spezifischen Salden für jede Bestandskategorie.

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)
09/10/2025
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 09/10/2025 S 500 D $67.188(1) 93,415 D
Common Stock 09/10/2025 S 500 D $67.1883(2) 110,693 I By profit sharing plan
Common Stock 09/10/2025 S 100 D $67.1626(3) 44,100 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 $66.98 to $67.40 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 $67.01 to $67.40 inclusive.
3. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $66.81 to $67.40 inclusive.
/s/ Charlotte M. Rasche, as Attorney in Fact 09/10/2025
** 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 transactions did Ned S. Holmes report for Prosperity Bancshares (PB)?

Ned S. Holmes reported sales of 1,100 common shares on 09/10/2025 executed in multiple transactions under a 10b5-1 plan.

Were the sales by Ned S. Holmes part of a pre-arranged plan?

Yes. The filer checked the box indicating the transactions were made pursuant to a 10b5-1 written plan.

At what prices were the shares sold in the Form 4?

Weighted average prices were reported around $67.16 to $67.19 per share, with underlying transaction price ranges noted from $66.81 to $67.40.

How many shares were sold in each reported transaction?

Two sales of 500 shares and one sale of 100 shares were reported, totaling 1,100 shares disposed.

Does the filing show Holmes' remaining holdings after the sales?

Yes. The Form 4 lists post-transaction beneficial ownership amounts across direct and indirect accounts and trusts for the reporting person.
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