NSP

SEC source: 0001127602-23-008493 · form4.xml · nonDerivative · entry 3

Herink Daniel D · CIK 0001398237 · EVP Legal, Gen Counsel & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,785

F3 · kind: Award of restricted stock units pursuant to the Insperity, Inc. 2012 Incentive Plan, as amended and restated. Units vest in annual increments of one-third beginning on the first anniversary of the award. Each restricted stock unit represents a right to receive one share of Common Stock upon vesting.

SEC source: 0001127602-23-008493 · form4.xml · nonDerivative · entry 2

Herink Daniel D · CIK 0001398237 · EVP Legal, Gen Counsel & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,355

F2 · kind: The number of shares represents the cash value of dividend rights that were settled in shares of common stock of Insperity, Inc. ("Common Stock") based on the fair market value of the Common Stock on the dividend payable dates.

SEC source: 0001127602-23-008493 · form4.xml · nonDerivative · entry 1

Herink Daniel D · CIK 0001398237 · EVP Legal, Gen Counsel & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,985

F1 · kind: Payment of tax liability by withholding securities incident to the vesting of a restricted stock unit award.

SEC source: 0001127602-23-008490 · form4.xml · nonDerivative · entry 3

SHARP DOUGLAS S · CIK 0001198988 · EVP Finance, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,457

F3 · kind: Award of restricted stock units pursuant to the Insperity, Inc. 2012 Incentive Plan, as amended and restated. Units vest in annual increments of one-third beginning on the first anniversary of the award. Each restricted stock unit represents a right to receive one share of Common Stock upon vesting.

SEC source: 0001127602-23-008490 · form4.xml · nonDerivative · entry 2

SHARP DOUGLAS S · CIK 0001198988 · EVP Finance, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,697

F2 · kind: The number of shares represents the cash value of dividend rights that were settled in shares of common stock of Insperity, Inc. ("Common Stock") based on the fair market value of the Common Stock on the dividend payable dates.

SEC source: 0001127602-23-008490 · form4.xml · nonDerivative · entry 1

SHARP DOUGLAS S · CIK 0001198988 · EVP Finance, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,232

F1 · kind: Payment of tax liability by withholding securities incident to the vesting of a restricted stock unit award.

SEC source: 0001127602-23-008487 · form4.xml · nonDerivative · entry 3

SARVADI PAUL J · CIK 0001032399 · Director · Chairman of the Board & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 572,075

F3 · kind: The number of shares represents the cash value of dividend rights that were settled in shares of Common Stock based on the fair market value of the Common Stock on the dividend payable dates.

SEC source: 0001127602-23-008487 · form4.xml · nonDerivative · entry 2

SARVADI PAUL J · CIK 0001032399 · Director · Chairman of the Board & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 570,754

F2 · kind: Award of restricted stock units pursuant to the Insperity, Inc. 2012 Incentive Plan, as amended and restated. Units vest in annual increments of one-third beginning on the first anniversary of the award. Each restricted stock unit represents a right to receive one share of Insperity, Inc. common stock ("Common Stock") upon vesting.

SEC source: 0001127602-23-008487 · form4.xml · nonDerivative · entry 1

SARVADI PAUL J · CIK 0001032399 · Director · Chairman of the Board & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 553,124

F1 · kind: Payment of tax liability by withholding securities incident to the vesting of a restricted stock unit award.

SEC source: 0001127602-23-008768 · form4a.xml · nonDerivative · entry 1

ARIZPE ARTHUR A · CIK 0001055604 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,730

F1 · kind: Award of restricted stock units pursuant to the Insperity, Inc. 2012 Incentive Plan, as amended and restated. Units vest in annual increments of one-third beginning on the first anniversary of the award. Each restricted stock unit represents a right to receive one share of Insperity, Inc. common stock upon vesting.

F2 · shares: This Form 4/A is being filed to amend the Form 4 filed on March 2, 2023 to correct an administrative error which overreported the number of restricted stock units awarded, and to correct the number of shares beneficially owned by the reporting person. The aggregate effect of the correction is a decrease in the number of shares beneficially owned by 685 shares.

F2 · balance_after: This Form 4/A is being filed to amend the Form 4 filed on March 2, 2023 to correct an administrative error which overreported the number of restricted stock units awarded, and to correct the number of shares beneficially owned by the reporting person. The aggregate effect of the correction is a decrease in the number of shares beneficially owned by 685 shares.

SEC source: 0001127602-23-007158 · form4.xml · derivative · entry 7

ARIZPE ARTHUR A · CIK 0001055604 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,395

Underlying: Common Stock · 14,835 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: Each phantom stock performance unit represents a contingent right to receive one share of Common Stock pursuant to the terms of the Long-Term Incentive Program (the "LTIP") awards issued under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F1 · date: On this date, the Compensation Committee certified the achievement of the final performance conditions for these three-year performance period awards granted in 2020. These shares of Insperity, Inc. common stock ("Common Stock") will be settled as soon as practicable.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

F6 · derivative.exercise_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

F6 · derivative.expiration_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

SEC source: 0001127602-23-007158 · form4.xml · derivative · entry 6

ARIZPE ARTHUR A · CIK 0001055604 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,230

Underlying: Common Stock · 4,726 shares

Expires not disclosed

F4 · derivative.exercise_price: Each phantom stock performance unit represents a contingent right to receive one share of Common Stock pursuant to the terms of the Long-Term Incentive Program (the "LTIP") awards issued under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F9 · date: These three-year performance period awards were granted in 2022. The Compensation Committee certified the achievement of the performance conditions related to 2022 performance on this date.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

F6 · derivative.exercise_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

F6 · derivative.expiration_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

SEC source: 0001127602-23-007158 · form4.xml · derivative · entry 5

ARIZPE ARTHUR A · CIK 0001055604 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,504

Underlying: Common Stock · 4,792 shares

Expires not disclosed

F4 · derivative.exercise_price: Each phantom stock performance unit represents a contingent right to receive one share of Common Stock pursuant to the terms of the Long-Term Incentive Program (the "LTIP") awards issued under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F8 · date: These three-year performance period awards were granted in 2021. The Compensation Committee certified the achievement of the performance conditions related to 2022 performance on this date.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

F6 · derivative.exercise_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

F6 · derivative.expiration_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

SEC source: 0001127602-23-007158 · form4.xml · derivative · entry 4

ARIZPE ARTHUR A · CIK 0001055604 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,712

Underlying: Common Stock · 4,222 shares

Expires not disclosed

F4 · derivative.exercise_price: Each phantom stock performance unit represents a contingent right to receive one share of Common Stock pursuant to the terms of the Long-Term Incentive Program (the "LTIP") awards issued under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F7 · date: These three-year performance period awards were granted in 2020. The Compensation Committee certified the achievement of the relative total shareholder return performance of Insperity's Common Stock against the performance of Insperity's 2020 compensation peer group of companies on this date. No further performance periods remain for this grant.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

F6 · derivative.exercise_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

F6 · derivative.expiration_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

SEC source: 0001127602-23-007158 · form4.xml · derivative · entry 3

ARIZPE ARTHUR A · CIK 0001055604 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,490

Underlying: Common Stock · 4,667 shares

Expires not disclosed

F4 · derivative.exercise_price: Each phantom stock performance unit represents a contingent right to receive one share of Common Stock pursuant to the terms of the Long-Term Incentive Program (the "LTIP") awards issued under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F5 · date: These three-year performance period awards were granted in 2020. The Compensation Committee certified the achievement of the performance conditions related to 2022 performance on this date. No further performance periods remain for this grant.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

F6 · derivative.exercise_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

F6 · derivative.expiration_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

SEC source: 0001127602-23-007158 · form4.xml · nonDerivative · entry 1

ARIZPE ARTHUR A · CIK 0001055604 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,003

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · date: On this date, the Compensation Committee certified the achievement of the final performance conditions for these three-year performance period awards granted in 2020. These shares of Insperity, Inc. common stock ("Common Stock") will be settled as soon as practicable.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

SEC source: 0001127602-23-007160 · form4.xml · derivative · entry 7

SARVADI PAUL J · CIK 0001032399 · Director · Chairman of the Board & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,454

Underlying: Common Stock · 60,274 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each phantom stock performance unit represents a contingent right to receive one share of Common Stock pursuant to the terms of the Long-Term Incentive Program (the "LTIP") awards issued under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F1 · date: On this date, the Compensation Committee certified the achievement of the final performance conditions for these three-year performance period awards granted in 2020. These shares of Insperity, Inc. common stock ("Common Stock") will be settled as soon as practicable.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

F5 · derivative.exercise_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

F5 · derivative.expiration_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

SEC source: 0001127602-23-007160 · form4.xml · derivative · entry 6

SARVADI PAUL J · CIK 0001032399 · Director · Chairman of the Board & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 112,728

Underlying: Common Stock · 21,678 shares

Expires not disclosed

F3 · derivative.exercise_price: Each phantom stock performance unit represents a contingent right to receive one share of Common Stock pursuant to the terms of the Long-Term Incentive Program (the "LTIP") awards issued under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F8 · date: These three-year performance period awards were granted in 2022. The Compensation Committee certified the achievement of the performance conditions related to 2022 performance on this date.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

F5 · derivative.exercise_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

F5 · derivative.expiration_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

SEC source: 0001127602-23-007160 · form4.xml · derivative · entry 5

SARVADI PAUL J · CIK 0001032399 · Director · Chairman of the Board & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,050

Underlying: Common Stock · 19,234 shares

Expires not disclosed

F3 · derivative.exercise_price: Each phantom stock performance unit represents a contingent right to receive one share of Common Stock pursuant to the terms of the Long-Term Incentive Program (the "LTIP") awards issued under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F7 · date: These three-year performance period awards were granted in 2021. The Compensation Committee certified the achievement of the performance conditions related to 2022 performance on this date.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

F5 · derivative.exercise_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

F5 · derivative.expiration_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

SEC source: 0001127602-23-007160 · form4.xml · derivative · entry 4

SARVADI PAUL J · CIK 0001032399 · Director · Chairman of the Board & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,816

Underlying: Common Stock · 17,153 shares

Expires not disclosed

F3 · derivative.exercise_price: Each phantom stock performance unit represents a contingent right to receive one share of Common Stock pursuant to the terms of the Long-Term Incentive Program (the "LTIP") awards issued under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F6 · date: These three-year performance period awards were granted in 2020. The Compensation Committee certified the achievement of the relative total shareholder return performance of Insperity's Common Stock against the performance of Insperity's 2020 compensation peer group of companies on this date. No further performance periods remain for this grant.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

F5 · derivative.exercise_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

F5 · derivative.expiration_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

SEC source: 0001127602-23-007160 · form4.xml · derivative · entry 3

SARVADI PAUL J · CIK 0001032399 · Director · Chairman of the Board & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,663

Underlying: Common Stock · 18,963 shares

Expires not disclosed

F3 · derivative.exercise_price: Each phantom stock performance unit represents a contingent right to receive one share of Common Stock pursuant to the terms of the Long-Term Incentive Program (the "LTIP") awards issued under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F4 · date: These three-year performance period awards were granted in 2020. The Compensation Committee certified the achievement of the performance conditions related to 2022 performance on this date. No further performance periods remain for this grant.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

F5 · derivative.exercise_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

F5 · derivative.expiration_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

SEC source: 0001127602-23-007160 · form4.xml · nonDerivative · entry 1

SARVADI PAUL J · CIK 0001032399 · Director · Chairman of the Board & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 562,257

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · date: On this date, the Compensation Committee certified the achievement of the final performance conditions for these three-year performance period awards granted in 2020. These shares of Insperity, Inc. common stock ("Common Stock") will be settled as soon as practicable.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

SEC source: 0001127602-23-007155 · form4.xml · derivative · entry 6

SHARP DOUGLAS S · CIK 0001198988 · EVP Finance, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,200

Underlying: Common Stock · 9,182 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each phantom stock performance unit represents a contingent right to receive one share of Common Stock pursuant to the terms of the Long-Term Incentive Program (the "LTIP") awards issued under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F1 · date: On this date, the Compensation Committee certified the achievement of the final performance conditions for these three-year performance period awards granted in 2020. These shares of Insperity, Inc. common stock ("Common Stock") will be settled as soon as practicable.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

F5 · derivative.exercise_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

F5 · derivative.expiration_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

SEC source: 0001127602-23-007155 · form4.xml · derivative · entry 5

SHARP DOUGLAS S · CIK 0001198988 · EVP Finance, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,382

Underlying: Common Stock · 3,128 shares

Expires not disclosed

F3 · derivative.exercise_price: Each phantom stock performance unit represents a contingent right to receive one share of Common Stock pursuant to the terms of the Long-Term Incentive Program (the "LTIP") awards issued under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F8 · date: These three-year performance period awards were granted in 2022. The Compensation Committee certified the achievement of the performance conditions related to 2022 performance on this date.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

F5 · derivative.exercise_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

F5 · derivative.expiration_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

SEC source: 0001127602-23-007155 · form4.xml · derivative · entry 4

SHARP DOUGLAS S · CIK 0001198988 · EVP Finance, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,254

Underlying: Common Stock · 3,170 shares

Expires not disclosed

F3 · derivative.exercise_price: Each phantom stock performance unit represents a contingent right to receive one share of Common Stock pursuant to the terms of the Long-Term Incentive Program (the "LTIP") awards issued under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F7 · date: These three-year performance period awards were granted in 2021. The Compensation Committee certified the achievement of the performance conditions related to 2022 performance on this date.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

F5 · derivative.exercise_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

F5 · derivative.expiration_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

SEC source: 0001127602-23-007155 · form4.xml · derivative · entry 3

SHARP DOUGLAS S · CIK 0001198988 · EVP Finance, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,084

Underlying: Common Stock · 2,613 shares

Expires not disclosed

F3 · derivative.exercise_price: Each phantom stock performance unit represents a contingent right to receive one share of Common Stock pursuant to the terms of the Long-Term Incentive Program (the "LTIP") awards issued under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F6 · date: These three-year performance period awards were granted in 2020. The Compensation Committee certified the achievement of the relative total shareholder return performance of Insperity's Common Stock against the performance of Insperity's 2020 compensation peer group of companies on this date. No further performance periods remain for this grant.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

F5 · derivative.exercise_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

F5 · derivative.expiration_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

SEC source: 0001127602-23-007155 · form4.xml · derivative · entry 2

SHARP DOUGLAS S · CIK 0001198988 · EVP Finance, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,471

Underlying: Common Stock · 2,889 shares

Expires not disclosed

F3 · derivative.exercise_price: Each phantom stock performance unit represents a contingent right to receive one share of Common Stock pursuant to the terms of the Long-Term Incentive Program (the "LTIP") awards issued under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F4 · date: These three-year performance period awards were granted in 2020. The Compensation Committee certified the achievement of the performance conditions related to 2022 performance on this date. No further performance periods remain for this grant.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

F5 · derivative.exercise_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

F5 · derivative.expiration_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

SEC source: 0001127602-23-007155 · form4.xml · nonDerivative · entry 1

SHARP DOUGLAS S · CIK 0001198988 · EVP Finance, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,615

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · date: On this date, the Compensation Committee certified the achievement of the final performance conditions for these three-year performance period awards granted in 2020. These shares of Insperity, Inc. common stock ("Common Stock") will be settled as soon as practicable.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

SEC source: 0001127602-23-007153 · form4.xml · derivative · entry 6

ALLISON JAMES D · CIK 0001740766 · EVP of Gross Profit Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,234

Underlying: Common Stock · 7,511 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each phantom stock performance unit represents a contingent right to receive one share of Common Stock pursuant to the terms of the Long-Term Incentive Program (the "LTIP") awards issued under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F1 · date: On this date, the Compensation Committee certified the achievement of the final performance conditions for these three-year performance period awards granted in 2020. These shares of Insperity, Inc. common stock ("Common Stock") will be settled as soon as practicable.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

F5 · derivative.exercise_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

F5 · derivative.expiration_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

SEC source: 0001127602-23-007153 · form4.xml · derivative · entry 5

ALLISON JAMES D · CIK 0001740766 · EVP of Gross Profit Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,745

Underlying: Common Stock · 2,378 shares

Expires not disclosed

F3 · derivative.exercise_price: Each phantom stock performance unit represents a contingent right to receive one share of Common Stock pursuant to the terms of the Long-Term Incentive Program (the "LTIP") awards issued under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F8 · date: These three-year performance period awards were granted in 2022. The Compensation Committee certified the achievement of the performance conditions related to 2022 performance on this date.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

F5 · derivative.exercise_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

F5 · derivative.expiration_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

SEC source: 0001127602-23-007153 · form4.xml · derivative · entry 4

ALLISON JAMES D · CIK 0001740766 · EVP of Gross Profit Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,367

Underlying: Common Stock · 2,410 shares

Expires not disclosed

F3 · derivative.exercise_price: Each phantom stock performance unit represents a contingent right to receive one share of Common Stock pursuant to the terms of the Long-Term Incentive Program (the "LTIP") awards issued under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F7 · date: These three-year performance period awards were granted in 2021. The Compensation Committee certified the achievement of the performance conditions related to 2022 performance on this date.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

F5 · derivative.exercise_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

F5 · derivative.expiration_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

SEC source: 0001127602-23-007153 · form4.xml · derivative · entry 3

ALLISON JAMES D · CIK 0001740766 · EVP of Gross Profit Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,957

Underlying: Common Stock · 2,138 shares

Expires not disclosed

F3 · derivative.exercise_price: Each phantom stock performance unit represents a contingent right to receive one share of Common Stock pursuant to the terms of the Long-Term Incentive Program (the "LTIP") awards issued under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F6 · date: These three-year performance period awards were granted in 2020. The Compensation Committee certified the achievement of the relative total shareholder return performance of Insperity's Common Stock against the performance of Insperity's 2020 compensation peer group of companies on this date. No further performance periods remain for this grant.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

F5 · derivative.exercise_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

F5 · derivative.expiration_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

SEC source: 0001127602-23-007153 · form4.xml · derivative · entry 2

ALLISON JAMES D · CIK 0001740766 · EVP of Gross Profit Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,819

Underlying: Common Stock · 2,363 shares

Expires not disclosed

F3 · derivative.exercise_price: Each phantom stock performance unit represents a contingent right to receive one share of Common Stock pursuant to the terms of the Long-Term Incentive Program (the "LTIP") awards issued under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F4 · date: These three-year performance period awards were granted in 2020. The Compensation Committee certified the achievement of the performance conditions related to 2022 performance on this date. No further performance periods remain for this grant.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

F5 · derivative.exercise_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

F5 · derivative.expiration_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

SEC source: 0001127602-23-007153 · form4.xml · nonDerivative · entry 1

ALLISON JAMES D · CIK 0001740766 · EVP of Gross Profit Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,891

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · date: On this date, the Compensation Committee certified the achievement of the final performance conditions for these three-year performance period awards granted in 2020. These shares of Insperity, Inc. common stock ("Common Stock") will be settled as soon as practicable.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

SEC source: 0001127602-23-007151 · form4.xml · derivative · entry 6

Herink Daniel D · CIK 0001398237 · EVP Legal, Gen Counsel & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,234

Underlying: Common Stock · 7,511 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each phantom stock performance unit represents a contingent right to receive one share of Common Stock pursuant to the terms of the Long-Term Incentive Program (the "LTIP") awards issued under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F1 · date: On this date, the Compensation Committee certified the achievement of the final performance conditions for these three-year performance period awards granted in 2020. These shares of Insperity, Inc. common stock ("Common Stock") will be settled as soon as practicable.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

F5 · derivative.exercise_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

F5 · derivative.expiration_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

SEC source: 0001127602-23-007151 · form4.xml · derivative · entry 5

Herink Daniel D · CIK 0001398237 · EVP Legal, Gen Counsel & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,745

Underlying: Common Stock · 2,378 shares

Expires not disclosed

F3 · derivative.exercise_price: Each phantom stock performance unit represents a contingent right to receive one share of Common Stock pursuant to the terms of the Long-Term Incentive Program (the "LTIP") awards issued under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F8 · date: These three-year performance period awards were granted in 2022. The Compensation Committee certified the achievement of the performance conditions related to 2022 performance on this date.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

F5 · derivative.exercise_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

F5 · derivative.expiration_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

SEC source: 0001127602-23-007151 · form4.xml · derivative · entry 4

Herink Daniel D · CIK 0001398237 · EVP Legal, Gen Counsel & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,367

Underlying: Common Stock · 2,410 shares

Expires not disclosed

F3 · derivative.exercise_price: Each phantom stock performance unit represents a contingent right to receive one share of Common Stock pursuant to the terms of the Long-Term Incentive Program (the "LTIP") awards issued under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F7 · date: These three-year performance period awards were granted in 2021. The Compensation Committee certified the achievement of the performance conditions related to 2022 performance on this date.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

F5 · derivative.exercise_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

F5 · derivative.expiration_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

SEC source: 0001127602-23-007151 · form4.xml · derivative · entry 3

Herink Daniel D · CIK 0001398237 · EVP Legal, Gen Counsel & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,957

Underlying: Common Stock · 2,138 shares

Expires not disclosed

F3 · derivative.exercise_price: Each phantom stock performance unit represents a contingent right to receive one share of Common Stock pursuant to the terms of the Long-Term Incentive Program (the "LTIP") awards issued under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F6 · date: These three-year performance period awards were granted in 2020. The Compensation Committee certified the achievement of the relative total shareholder return performance of Insperity's Common Stock against the performance of Insperity's 2020 compensation peer group of companies on this date. No further performance periods remain for this grant.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

F5 · derivative.exercise_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

F5 · derivative.expiration_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

SEC source: 0001127602-23-007151 · form4.xml · derivative · entry 2

Herink Daniel D · CIK 0001398237 · EVP Legal, Gen Counsel & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,819

Underlying: Common Stock · 2,363 shares

Expires not disclosed

F3 · derivative.exercise_price: Each phantom stock performance unit represents a contingent right to receive one share of Common Stock pursuant to the terms of the Long-Term Incentive Program (the "LTIP") awards issued under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F4 · date: These three-year performance period awards were granted in 2020. The Compensation Committee certified the achievement of the performance conditions related to 2022 performance on this date. No further performance periods remain for this grant.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

F5 · derivative.exercise_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

F5 · derivative.expiration_date: These phantom stock performance units vest at the end of the three-year award cycle period following certification in accordance with the LTIP of the achievement of all performance goals for the performance periods applicable to such award.

SEC source: 0001127602-23-007151 · form4.xml · nonDerivative · entry 1

Herink Daniel D · CIK 0001398237 · EVP Legal, Gen Counsel & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,580

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · date: On this date, the Compensation Committee certified the achievement of the final performance conditions for these three-year performance period awards granted in 2020. These shares of Insperity, Inc. common stock ("Common Stock") will be settled as soon as practicable.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights that will be settled in shares of Common Stock. The value of these dividend rights will be based on the fair market value of the Common Stock on the trading day immediately preceding the final settlement date following the certification of the final performance conditions.

SEC source: 0001127602-23-006262 · form4.xml · nonDerivative · entry 1

ARIZPE ARTHUR A · CIK 0001055604 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,168

F1 · price: Weighted average price. Actual prices ranged from $124.24 to $124.51. Full information regarding the number of shares sold at each separate price will be provided upon request to the SEC's staff, Insperity, Inc. or its stockholders.

SEC source: 0001127602-23-006253 · form4.xml · nonDerivative · entry 1

ALLISON JAMES D · CIK 0001740766 · EVP of Gross Profit Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,380

F1 · price: Weighted average price. Actual prices ranged from $124.70 to $125.09. Full information regarding the number of shares sold at each separate price will be provided upon request to the SEC's staff, Insperity, Inc. or its stockholders.

SEC source: 0001127602-23-006251 · form4.xml · nonDerivative · entry 3

RAWSON RICHARD G · CIK 0001055610 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By DMR Spousal Lifetime Trust

Disclosed balance after: 51,796

F1 · price: Weighted average price. Actual prices ranged from $125.74 to $125.77. Full information regarding the number of shares sold at each separate price will be provided upon request to the SEC's staff, Insperity, Inc. or its stockholders.

SEC source: 0001127602-23-006251 · form4.xml · nonDerivative · entry 2

RAWSON RICHARD G · CIK 0001055610 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Self, as General Partner of POM Services, LLC, which is the General Partner of R&D Rawson, LP

Disclosed balance after: 96,716

F1 · price: Weighted average price. Actual prices ranged from $125.74 to $125.77. Full information regarding the number of shares sold at each separate price will be provided upon request to the SEC's staff, Insperity, Inc. or its stockholders.

SEC source: 0001127602-23-006251 · form4.xml · nonDerivative · entry 1

RAWSON RICHARD G · CIK 0001055610 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Self, as General Partner of POM Services, LLC, which is the General Partner of RDKB Rawson, LP

Disclosed balance after: 102,143

F1 · price: Weighted average price. Actual prices ranged from $125.74 to $125.77. Full information regarding the number of shares sold at each separate price will be provided upon request to the SEC's staff, Insperity, Inc. or its stockholders.

SEC source: 0001127602-23-005533 · form4.xml · nonDerivative · entry 1

Herink Daniel D · CIK 0001398237 · EVP Legal, Gen Counsel & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,069

F1 · price: Weighted average price. Actual prices ranged from $118.75 to $118.80. Full information regarding the number of shares sold at each separate price will be provided upon request to the SEC's staff, Insperity, Inc. or its stockholders.

SEC source: 0001127602-23-005143 · form4.xml · nonDerivative · entry 2

SARVADI PAUL J · CIK 0001032399 · Director · Chairman of the Board & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 501,983

F2 · price: Weighted average price. Actual prices ranged from $118.00 to $118.70. Full information regarding the number of shares sold at each separate price will be provided upon request to the SEC's staff, Insperity, Inc. or its stockholders.

SEC source: 0001127602-23-005143 · form4.xml · nonDerivative · entry 1

SARVADI PAUL J · CIK 0001032399 · Director · Chairman of the Board & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 530,292

F1 · price: Weighted average price. Actual prices ranged from $118.00 to $118.26. Full information regarding the number of shares sold at each separate price will be provided upon request to the SEC's staff, Insperity, Inc. or its stockholders.

SEC source: 0001127602-23-005149 · form4.xml · nonDerivative · entry 1

CLIFFORD TIM · CIK 0001590858 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,907

SEC source: 0001127602-22-027674 · form4.xml · nonDerivative · entry 1

ALLISON JAMES D · CIK 0001740766 · EVP of Gross Profit Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,380

F1 · shares: Represents a gift of shares to a charitable organization.