INSPERITY, INC. — Director's Dealing 2011

Jan 13, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ADMINISTAFF INC \DE\ (ASF)
CIK: 0001000753
Period of Report: 2011-01-11

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-01-11	Common Stock	S	2600	$30.2925	Disposed	1176940	Indirect
2011-01-11	Common Stock	S	1300	$30.2925	Disposed	570339	Indirect
2011-01-12	Common Stock	S	1667	$30.2516	Disposed	1175273	Indirect
2011-01-12	Common Stock	S	833	$30.2516	Disposed	569506	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	19644	Indirect
Common Stock	180643	Direct

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 December 10, 2010.

F2: Weighted average sales price. Actual prices ranged from $30.25 to $30.34.

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: Weighted average sales price. Actual prices ranged from $30.25 to $30.26.