Company: NSP
Filing Date: 2025-04-15
Form Type: DEF 14A
Source: 0001000753-25-000013
Chunk: 7

Company: INSPERITY, INC.
Filing Date: 2025-04-15
Form: DEF 14A
Chunk 7
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 submitting written notice of revocation to the Secretary of the Company at the address for our corporate headquarters, provided above; (2) submitting another proxy card that is properly signed and later dated; (3) submitting a proxy again on the Internet or by telephone; or (4) voting in person at the 2025 Annual Meeting of Stockholders.

If you hold your shares in street name, you may change or revoke your vote by timely: (1) submitting new instructions in the manner provided by your custodian or (2) contacting your custodian to obtain a proxy to vote at the meeting.

How can I find out the results of the voting at the 2025 Annual Meeting of Stockholders?

Preliminary voting results will be announced at our 2025 Annual Meeting of Stockholders. In addition, final voting results will be published in a Current Report on Form 8-K that we expect to file with the U.S. Securities and Exchange Commission (“SEC”) within four business days after the 2025 Annual Meeting of Stockholders. If final voting results are not available to us in time to file a Form 8-K within four business days after the meeting, we intend to file a Form 8-K to publish preliminary results and, within four business days after the final results are known to us, file an additional Form 8‑K to publish the final results.

#### Insperity32025 Proxy Statement

### SECURITY OWNERSHIP
The following table sets forth the number and the percentage of shares of our common stock that were beneficially owned as of April 4, 2025 by: (1) each person known by us to beneficially own 5% or more of our common stock; (2) all current directors and persons nominated to become directors; (3) each of our executive officers identified in the Summary Compensation Table; and (4) all of our directors, director nominees and executive officers as a group.

| Name of Beneficial Owner                                 |     | Amount and Nature of Beneficial Ownership1 |           |     |   |     | Percent of Class |       |   |
| Timothy T. Clifford                                      |     |                                            |    18,299 |     |   |     |                  |       | * |
| Eli Jones                                                |     |                                            |     7,965 |     |   |     |                  |       | * |
| Carol R. Kaufman                                         |     |                                            |    39,389 |     |   |     |                  |