INSPERITY, INC. — Director's Dealing 2010

Mar 24, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ADMINISTAFF INC \DE\ (ASF)
CIK: 0001000753
Period of Report: 2010-03-23

Reporting Person: SARVADI PAUL J (Director, Chairman of the Board & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-03-23	Common Stock	M	42597	$19.93	Acquired	223240	Direct
2010-03-23	Common Stock	S	42597	$22.0166	Disposed	180643	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-03-23	Employee Stock Option (right to buy)	$19.93	M	42597	Disposed	2010-04-27	Common Stock (42597)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1283273	Indirect
Common Stock	623506	Indirect
Common Stock	19644	Indirect

Footnotes

F1: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 11, 2010.

F2: Weighted average sales price. Actual prices ranged from $22.00 to $22.11.

F3: Full information regarding the number of shares sold at each separate price will be provided upon request to the SEC's staff, Administaff, Inc. or its stockholders.

F4: The options became exercisable in three equal annual installments beginning on April 27, 2001.