NSP

SEC source: 0001127602-19-006130 · form4.xml · derivative · entry 7

MINCKS JAY E · CIK 0001198985 · EVP of Sales & Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,858

Underlying: Common Stock · 5,364 shares

Expires not disclosed

F5 · 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 LTIP under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F11 · date: These three-year performance period awards were granted in 2018. The Compensation Committee certified the achievement of the performance conditions related to 2018 performance on this date.

F8 · shares: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

F7 · derivative.exercise_date: The 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.

F7 · derivative.expiration_date: The 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.

F8 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006130 · form4.xml · derivative · entry 6

MINCKS JAY E · CIK 0001198985 · EVP of Sales & Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,494

Underlying: Common Stock · 6,400 shares

Expires not disclosed

F5 · 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 LTIP under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F10 · date: These three-year performance period awards were granted in 2017. The Compensation Committee certified the achievement of the performance conditions related to 2018 performance on this date.

F8 · shares: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

F7 · derivative.exercise_date: The 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.

F7 · derivative.expiration_date: The 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.

F8 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006130 · form4.xml · derivative · entry 5

MINCKS JAY E · CIK 0001198985 · EVP of Sales & Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,094

Underlying: Common Stock · 19,008 shares

Expires not disclosed

F5 · 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 LTIP 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 2016. The Compensation Committee certified the achievement of the relative total shareholder return performance of Insperity's Common Stock against the performance of Insperity's 2016 compensation peer group of companies. No further performance periods remain for this grant.

F4 · shares: The number of shares does not include additional shares related to the cash value of dividend rights in the amount of $2.75 per share to be settled in shares of Common Stock based on the fair market value of the Common Stock on the trading day immediately proceeding the final settlement date in accordance with the Insperity, Inc. Long-Term Incentive Program (the "LTIP") under the Insperity, Inc. 2012 Incentive Plan, which will be reported in a separate filing.

F7 · derivative.exercise_date: The 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.

F7 · derivative.expiration_date: The 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.

F8 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006130 · form4.xml · derivative · entry 4

MINCKS JAY E · CIK 0001198985 · EVP of Sales & Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,086

Underlying: Common Stock · 9,504 shares

Expires not disclosed

F5 · 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 LTIP 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 2016. The Compensation Committee certified the achievement of the performance conditions related to 2018 performance on this date. No further performance periods remain for this grant.

F4 · shares: The number of shares does not include additional shares related to the cash value of dividend rights in the amount of $2.75 per share to be settled in shares of Common Stock based on the fair market value of the Common Stock on the trading day immediately proceeding the final settlement date in accordance with the Insperity, Inc. Long-Term Incentive Program (the "LTIP") under the Insperity, Inc. 2012 Incentive Plan, which will be reported in a separate filing.

F7 · derivative.exercise_date: The 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.

F7 · derivative.expiration_date: The 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.

F8 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006130 · form4.xml · nonDerivative · entry 3

MINCKS JAY E · CIK 0001198985 · EVP of Sales & Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,138

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 · date: These shares of Insperity, Inc. common stock ("Common Stock") will be settled following the certification by the Compensation Committee on this date of the achievement of the final performance conditions for these three-year performance period awards granted in 2016.

F4 · shares: The number of shares does not include additional shares related to the cash value of dividend rights in the amount of $2.75 per share to be settled in shares of Common Stock based on the fair market value of the Common Stock on the trading day immediately proceeding the final settlement date in accordance with the Insperity, Inc. Long-Term Incentive Program (the "LTIP") under the Insperity, Inc. 2012 Incentive Plan, which will be reported in a separate filing.

SEC source: 0001127602-19-006130 · form4.xml · nonDerivative · entry 1

MINCKS JAY E · CIK 0001198985 · EVP of Sales & Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,444

F1 · price: Weighted average price. Actual prices ranged from $127.75 to $128.20. 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.

F2 · balance_after: Includes 28 shares purchased through the Insperity Employee Stock Purchase Plan.

SEC source: 0001127602-19-006132 · 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: 59,617

Underlying: Common Stock · 121,437 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 LTIP under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F1 · date: These shares of Insperity, Inc. common stock ("Common Stock") will be settled following the certification by the Compensation Committee on this date of the achievement of the final performance conditions for these three-year performance period awards granted in 2016.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights in the amount of $2.75 per share to be settled in shares of Common Stock based on the fair market value of the Common Stock on the trading day immediately proceeding the final settlement date in accordance with the Insperity, Inc. Long-Term Incentive Program (the "LTIP") under the Insperity, Inc. 2012 Incentive Plan, which will be reported in a separate filing.

F5 · derivative.exercise_date: The 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: The 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 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006132 · 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: 181,054

Underlying: Common Stock · 19,922 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 LTIP 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 2018. The Compensation Committee certified the achievement of the performance conditions related to 2018 performance on this date.

F6 · shares: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

F5 · derivative.exercise_date: The 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: The 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 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006132 · 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: 161,132

Underlying: Common Stock · 19,848 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 LTIP 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 2017. The Compensation Committee certified the achievement of the performance conditions related to 2018 performance on this date.

F6 · shares: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

F5 · derivative.exercise_date: The 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: The 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 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006132 · 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: 141,284

Underlying: Common Stock · 58,152 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 LTIP 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 2016. The Compensation Committee certified the achievement of the relative total shareholder return performance of Insperity's Common Stock against the performance of Insperity's 2016 compensation peer group of companies. 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 in the amount of $2.75 per share to be settled in shares of Common Stock based on the fair market value of the Common Stock on the trading day immediately proceeding the final settlement date in accordance with the Insperity, Inc. Long-Term Incentive Program (the "LTIP") under the Insperity, Inc. 2012 Incentive Plan, which will be reported in a separate filing.

F5 · derivative.exercise_date: The 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: The 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 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006132 · 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: 83,132

Underlying: Common Stock · 29,075 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 LTIP 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 2016. The Compensation Committee certified the achievement of the performance conditions related to 2018 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 in the amount of $2.75 per share to be settled in shares of Common Stock based on the fair market value of the Common Stock on the trading day immediately proceeding the final settlement date in accordance with the Insperity, Inc. Long-Term Incentive Program (the "LTIP") under the Insperity, Inc. 2012 Incentive Plan, which will be reported in a separate filing.

F5 · derivative.exercise_date: The 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: The 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 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006132 · 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: 720,698

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: These shares of Insperity, Inc. common stock ("Common Stock") will be settled following the certification by the Compensation Committee on this date of the achievement of the final performance conditions for these three-year performance period awards granted in 2016.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights in the amount of $2.75 per share to be settled in shares of Common Stock based on the fair market value of the Common Stock on the trading day immediately proceeding the final settlement date in accordance with the Insperity, Inc. Long-Term Incentive Program (the "LTIP") under the Insperity, Inc. 2012 Incentive Plan, which will be reported in a separate filing.

SEC source: 0001127602-19-006126 · form4.xml · derivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,955

Underlying: Common Stock · 21,986 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 LTIP under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F1 · date: These shares of Insperity, Inc. common stock ("Common Stock") will be settled following the certification by the Compensation Committee on this date of the achievement of the final performance conditions for these three-year performance period awards granted in 2016.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights in the amount of $2.75 per share to be settled in shares of Common Stock based on the fair market value of the Common Stock on the trading day immediately proceeding the final settlement date in accordance with the Insperity, Inc. Long-Term Incentive Program (the "LTIP") under the Insperity, Inc. 2012 Incentive Plan, which will be reported in a separate filing.

F5 · derivative.exercise_date: The 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: The 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 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006126 · form4.xml · derivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,941

Underlying: Common Stock · 2,756 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 LTIP 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 2018. The Compensation Committee certified the achievement of the performance conditions related to 2018 performance on this date.

F6 · shares: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

F5 · derivative.exercise_date: The 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: The 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 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006126 · form4.xml · derivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,185

Underlying: Common Stock · 3,600 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 LTIP 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 2017. The Compensation Committee certified the achievement of the performance conditions related to 2018 performance on this date.

F6 · shares: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

F5 · derivative.exercise_date: The 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: The 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 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006126 · form4.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,585

Underlying: Common Stock · 10,528 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 LTIP 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 2016. The Compensation Committee certified the achievement of the relative total shareholder return performance of Insperity's Common Stock against the performance of Insperity's 2016 compensation peer group of companies. 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 in the amount of $2.75 per share to be settled in shares of Common Stock based on the fair market value of the Common Stock on the trading day immediately proceeding the final settlement date in accordance with the Insperity, Inc. Long-Term Incentive Program (the "LTIP") under the Insperity, Inc. 2012 Incentive Plan, which will be reported in a separate filing.

F5 · derivative.exercise_date: The 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: The 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 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006126 · form4.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,057

Underlying: Common Stock · 5,263 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 LTIP 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 2016. The Compensation Committee certified the achievement of the performance conditions related to 2018 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 in the amount of $2.75 per share to be settled in shares of Common Stock based on the fair market value of the Common Stock on the trading day immediately proceeding the final settlement date in accordance with the Insperity, Inc. Long-Term Incentive Program (the "LTIP") under the Insperity, Inc. 2012 Incentive Plan, which will be reported in a separate filing.

F5 · derivative.exercise_date: The 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: The 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 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006126 · form4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,407

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: These shares of Insperity, Inc. common stock ("Common Stock") will be settled following the certification by the Compensation Committee on this date of the achievement of the final performance conditions for these three-year performance period awards granted in 2016.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights in the amount of $2.75 per share to be settled in shares of Common Stock based on the fair market value of the Common Stock on the trading day immediately proceeding the final settlement date in accordance with the Insperity, Inc. Long-Term Incentive Program (the "LTIP") under the Insperity, Inc. 2012 Incentive Plan, which will be reported in a separate filing.

SEC source: 0001127602-19-006126 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,421

SEC source: 0001127602-19-006124 · 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 RDKB Rawson, LP

Disclosed balance after: 241,750

F2 · price: Weighted average price. Actual prices ranged from $125.00 to $127.88. 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: 0001127602-19-006124 · 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 R&D Rawson, LP

Disclosed balance after: 235,050

F1 · price: Weighted average price. Actual prices ranged from $125.00 to $127.90. 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: 0001127602-19-006117 · form4.xml · derivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,955

Underlying: Common Stock · 21,986 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 LTIP under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F1 · date: These shares of Insperity, Inc. common stock ("Common Stock") will be settled following the certification by the Compensation Committee on this date of the achievement of the final performance conditions for these three-year performance period awards granted in 2016.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights in the amount of $2.75 per share to be settled in shares of Common Stock based on the fair market value of the Common Stock on the trading day immediately proceeding the final settlement date in accordance with the Insperity, Inc. Long-Term Incentive Program (the "LTIP") under the Insperity, Inc. 2012 Incentive Plan, which will be reported in a separate filing.

F5 · derivative.exercise_date: The 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: The 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 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006117 · form4.xml · derivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,941

Underlying: Common Stock · 2,756 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 LTIP 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 2018. The Compensation Committee certified the achievement of the performance conditions related to 2018 performance on this date.

F6 · shares: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

F5 · derivative.exercise_date: The 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: The 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 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006117 · form4.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,185

Underlying: Common Stock · 3,600 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 LTIP 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 2017. The Compensation Committee certified the achievement of the performance conditions related to 2018 performance on this date.

F6 · shares: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

F5 · derivative.exercise_date: The 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: The 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 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006117 · form4.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,585

Underlying: Common Stock · 10,528 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 LTIP 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 2016. The Compensation Committee certified the achievement of the relative total shareholder return performance of Insperity's Common Stock against the performance of Insperity's 2016 compensation peer group of companies. 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 in the amount of $2.75 per share to be settled in shares of Common Stock based on the fair market value of the Common Stock on the trading day immediately proceeding the final settlement date in accordance with the Insperity, Inc. Long-Term Incentive Program (the "LTIP") under the Insperity, Inc. 2012 Incentive Plan, which will be reported in a separate filing.

F5 · derivative.exercise_date: The 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: The 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 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006117 · form4.xml · derivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,057

Underlying: Common Stock · 5,263 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 LTIP 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 2016. The Compensation Committee certified the achievement of the performance conditions related to 2018 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 in the amount of $2.75 per share to be settled in shares of Common Stock based on the fair market value of the Common Stock on the trading day immediately proceeding the final settlement date in accordance with the Insperity, Inc. Long-Term Incentive Program (the "LTIP") under the Insperity, Inc. 2012 Incentive Plan, which will be reported in a separate filing.

F5 · derivative.exercise_date: The 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: The 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 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006117 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,366

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: These shares of Insperity, Inc. common stock ("Common Stock") will be settled following the certification by the Compensation Committee on this date of the achievement of the final performance conditions for these three-year performance period awards granted in 2016.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights in the amount of $2.75 per share to be settled in shares of Common Stock based on the fair market value of the Common Stock on the trading day immediately proceeding the final settlement date in accordance with the Insperity, Inc. Long-Term Incentive Program (the "LTIP") under the Insperity, Inc. 2012 Incentive Plan, which will be reported in a separate filing.

SEC source: 0001127602-19-006113 · form4.xml · derivative · entry 7

ARIZPE ARTHUR A · CIK 0001055604 · EVP of Client Services and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,164

Underlying: Common Stock · 39,694 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 LTIP under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F1 · date: These shares of Insperity, Inc. common stock ("Common Stock") will be settled following the certification by the Compensation Committee on this date of the achievement of the final performance conditions for these three-year performance period awards granted in 2016.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights in the amount of $2.75 per share to be settled in shares of Common Stock based on the fair market value of the Common Stock on the trading day immediately proceeding the final settlement date in accordance with the Insperity, Inc. Long-Term Incentive Program (the "LTIP") under the Insperity, Inc. 2012 Incentive Plan, which will be reported in a separate filing.

F6 · derivative.exercise_date: The 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: The 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.

F7 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006113 · form4.xml · derivative · entry 6

ARIZPE ARTHUR A · CIK 0001055604 · EVP of Client Services and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,858

Underlying: Common Stock · 5,364 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 LTIP under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F10 · date: These three-year performance period awards were granted in 2018. The Compensation Committee certified the achievement of the performance conditions related to 2018 performance on this date.

F7 · shares: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

F6 · derivative.exercise_date: The 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: The 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.

F7 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006113 · form4.xml · derivative · entry 5

ARIZPE ARTHUR A · CIK 0001055604 · EVP of Client Services and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,494

Underlying: Common Stock · 6,400 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 LTIP 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 2017. The Compensation Committee certified the achievement of the performance conditions related to 2018 performance on this date.

F7 · shares: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

F6 · derivative.exercise_date: The 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: The 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.

F7 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006113 · form4.xml · derivative · entry 4

ARIZPE ARTHUR A · CIK 0001055604 · EVP of Client Services and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,094

Underlying: Common Stock · 19,008 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 LTIP 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 2016. The Compensation Committee certified the achievement of the relative total shareholder return performance of Insperity's Common Stock against the performance of Insperity's 2016 compensation peer group of companies. 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 in the amount of $2.75 per share to be settled in shares of Common Stock based on the fair market value of the Common Stock on the trading day immediately proceeding the final settlement date in accordance with the Insperity, Inc. Long-Term Incentive Program (the "LTIP") under the Insperity, Inc. 2012 Incentive Plan, which will be reported in a separate filing.

F6 · derivative.exercise_date: The 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: The 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.

F7 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006113 · form4.xml · derivative · entry 3

ARIZPE ARTHUR A · CIK 0001055604 · EVP of Client Services and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,086

Underlying: Common Stock · 9,504 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 LTIP 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 2016. The Compensation Committee certified the achievement of the performance conditions related to 2018 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 in the amount of $2.75 per share to be settled in shares of Common Stock based on the fair market value of the Common Stock on the trading day immediately proceeding the final settlement date in accordance with the Insperity, Inc. Long-Term Incentive Program (the "LTIP") under the Insperity, Inc. 2012 Incentive Plan, which will be reported in a separate filing.

F6 · derivative.exercise_date: The 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: The 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.

F7 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006113 · form4.xml · nonDerivative · entry 1

ARIZPE ARTHUR A · CIK 0001055604 · EVP of Client Services and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,192

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: These shares of Insperity, Inc. common stock ("Common Stock") will be settled following the certification by the Compensation Committee on this date of the achievement of the final performance conditions for these three-year performance period awards granted in 2016.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights in the amount of $2.75 per share to be settled in shares of Common Stock based on the fair market value of the Common Stock on the trading day immediately proceeding the final settlement date in accordance with the Insperity, Inc. Long-Term Incentive Program (the "LTIP") under the Insperity, Inc. 2012 Incentive Plan, which will be reported in a separate filing.

SEC source: 0001127602-19-006111 · form4.xml · derivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,827

Underlying: Common Stock · 21,986 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 LTIP under the Insperity, Inc. 2012 Incentive Plan based on a three-year performance period award cycle.

F1 · date: These shares of Insperity, Inc. common stock ("Common Stock") will be settled following the certification by the Compensation Committee on this date of the achievement of the final performance conditions for these three-year performance period awards granted in 2016.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights in the amount of $2.75 per share to be settled in shares of Common Stock based on the fair market value of the Common Stock on the trading day immediately proceeding the final settlement date in accordance with the Insperity, Inc. Long-Term Incentive Program (the "LTIP") under the Insperity, Inc. 2012 Incentive Plan, which will be reported in a separate filing.

F5 · derivative.exercise_date: The 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: The 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 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006111 · form4.xml · derivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,813

Underlying: Common Stock · 2,756 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 LTIP 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 2018. The Compensation Committee certified the achievement of the performance conditions related to 2018 performance on this date.

F6 · shares: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

F5 · derivative.exercise_date: The 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: The 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 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006111 · form4.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,057

Underlying: Common Stock · 2,536 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 LTIP 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 2017. The Compensation Committee certified the achievement of the performance conditions related to 2018 performance on this date.

F6 · shares: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

F5 · derivative.exercise_date: The 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: The 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 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006111 · form4.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,521

Underlying: Common Stock · 10,528 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 LTIP 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 2016. The Compensation Committee certified the achievement of the relative total shareholder return performance of Insperity's Common Stock against the performance of Insperity's 2016 compensation peer group of companies. 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 in the amount of $2.75 per share to be settled in shares of Common Stock based on the fair market value of the Common Stock on the trading day immediately proceeding the final settlement date in accordance with the Insperity, Inc. Long-Term Incentive Program (the "LTIP") under the Insperity, Inc. 2012 Incentive Plan, which will be reported in a separate filing.

F5 · derivative.exercise_date: The 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: The 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 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006111 · form4.xml · derivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,993

Underlying: Common Stock · 5,263 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 LTIP 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 2016. The Compensation Committee certified the achievement of the performance conditions related to 2018 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 in the amount of $2.75 per share to be settled in shares of Common Stock based on the fair market value of the Common Stock on the trading day immediately proceeding the final settlement date in accordance with the Insperity, Inc. Long-Term Incentive Program (the "LTIP") under the Insperity, Inc. 2012 Incentive Plan, which will be reported in a separate filing.

F5 · derivative.exercise_date: The 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: The 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 · balance_after: The number of shares does not include the 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 after the end of the three-year award cycle in accordance with the LTIP.

SEC source: 0001127602-19-006111 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,073

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: These shares of Insperity, Inc. common stock ("Common Stock") will be settled following the certification by the Compensation Committee on this date of the achievement of the final performance conditions for these three-year performance period awards granted in 2016.

F2 · shares: The number of shares does not include additional shares related to the cash value of dividend rights in the amount of $2.75 per share to be settled in shares of Common Stock based on the fair market value of the Common Stock on the trading day immediately proceeding the final settlement date in accordance with the Insperity, Inc. Long-Term Incentive Program (the "LTIP") under the Insperity, Inc. 2012 Incentive Plan, which will be reported in a separate filing.

SEC source: 0001127602-19-005643 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,087

F1 · kind: The sale reported on this Form 4 was effected pursuant to a limit order placed by the reporting person during an open window period.

SEC source: 0001127602-19-006017 · form5.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: 599,261

SEC source: 0001127602-18-036463 · form4.xml · nonDerivative · entry 1

RAWSON RICHARD G · CIK 0001055610 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 105,919

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

SEC source: 0001127602-18-035388 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Self, As General Partner of Our Ship Limited Partnership, Ltd.

Disclosed balance after: 1,283,412

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

SEC source: 0001127602-18-032862 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,087

F1 · price: Weighted average price. Actual prices ranged from $115.87 to $116.03. 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: 0001127602-18-032517 · form4.xml · nonDerivative · entry 1

MINCKS JAY E · CIK 0001198985 · EVP of Sales & Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,516

F1 · price: Weighted average price. Actual prices ranged from $116.00 to $116.09. 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: 0001127602-18-032513 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Self, As General Partner of Our Ship Limited Partnership, Ltd.

Disclosed balance after: 1,293,412

F1 · price: Weighted average price. Actual prices ranged from $116.27 to $117.84. 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: 0001127602-18-032419 · form4.xml · nonDerivative · entry 1

MINCKS JAY E · CIK 0001198985 · EVP of Sales & Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,216

F1 · price: Weighted average price. Actual prices ranged from $108.60 to $108.64. 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.

F2 · balance_after: Includes 26 shares purchased through the Insperity Employee Stock Purchase Plan.

SEC source: 0001127602-18-030525 · form4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Six Education Trusts established for the benefit of the Sarvadi children

Disclosed balance after: 0

F2 · shares: On October 16, 2018, in connection with estate planning, modifications were made to the six education trusts and Paul Sarvadi is no longer deemed a beneficial owner of those shares.

SEC source: 0001127602-18-030525 · 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: 598,962

F1 · shares: On October 15, 2018, in connection with estate planning, the Sarvadi Children's Limited Partnership distributed its shares of Insperity, Inc. common stock on a pro rata basis to its partners, including Paul Sarvadi.

SEC source: 0001127602-18-030525 · form4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Self, As General Partner of the Sarvadi Children's Limited Partnership

Disclosed balance after: 0

F1 · shares: On October 15, 2018, in connection with estate planning, the Sarvadi Children's Limited Partnership distributed its shares of Insperity, Inc. common stock on a pro rata basis to its partners, including Paul Sarvadi.