Company: NSP
Filing Date: 2025-04-15
Form Type: DEF 14A
Source: 0001000753-25-000013
Chunk: 91

Company: INSPERITY, INC.
Filing Date: 2025-04-15
Form: DEF 14A
Chunk 91
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 the name and address, as they appear on the Company’s books, of such stockholder; (b) the class and number of shares of our common stock that are beneficially owned by such stockholder; and (c) a description of all agreements, arrangements or understandings between such stockholder and each such person that such stockholder proposes to nominate as a director and any other person or persons (naming such person or persons) pursuant to which the nomination or nominations are to be made by such stockholder. Stockholders are also advised to review our Bylaws regarding the requirements for submitting director nominations. Stockholders who intend to solicit proxies in support of director nominees other than the Company’s nominees must also comply with the additional requirements of Rule 14a-19(b) of the Exchange Act by March 21, 2026.

In addition, for stockholder proposals, our Bylaws require that the written notice set forth as to each matter such stockholder proposes to bring before the Annual Meeting of Stockholders: (1) a brief description of the business desired to be brought before the Annual Meeting of Stockholders; (2) the reasons for conducting such business at the Annual Meeting of Stockholders; (3) the name and address, as they appear on the Company’s books, of such stockholder; (4) the class and number of shares of our common stock that is beneficially owned by such stockholder; and (5) any material interest of such stockholder in such business. Stockholders are also advised to review our Bylaws regarding the requirements for submitting proposals.

### FINANCIAL INFORMATION
A copy of the Company’s annual report on Form 10-K for the year ended December 31, 2024, as filed with the SEC, including any financial statements and schedules and exhibits thereto, may be obtained without charge by written request to Investor Relations Administrator, Insperity, Inc., 19001 Crescent Springs Drive, Kingwood, Texas 77339-3802.

By Order of the Board of Directors

Christian P. Callens

Senior Vice President of Legal,

General Counsel and Secretary

April 14, 2025

Kingwood, Texas

#### Insperity652025 Proxy Statement

### APPENDIX A

#### INSPERITY, INC. INCENTIVE PLAN
<div align='center'>(As Amended and Restated Effective May 22, 2023)</div>

1. Objectives . This Insperity, Inc. Incentive Plan (the