Strategy Inc — Director's Dealing 2011

May 10, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MICROSTRATEGY INC (MSTR)
CIK: 0001050446
Period of Report: 2011-05-06

Reporting Person: SAYLOR MICHAEL J (Director, Chairman, President and CEO, 10% Owner)
Reporting Person: ALCANTARA LLC (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-05-06	Class A Common Stock	S	200	$136.77	Disposed	200	Indirect
2011-05-06	Class A Common Stock	S	200	$136.84	Disposed	0	Indirect
2011-05-09	Class A Common Stock	C	26300	—	Acquired	26300	Indirect
2011-05-09	Class A Common Stock	S	4500	$135.00	Disposed	21800	Indirect
2011-05-09	Class A Common Stock	S	300	$135.01	Disposed	21500	Indirect
2011-05-09	Class A Common Stock	S	400	$135.02	Disposed	21100	Indirect
2011-05-09	Class A Common Stock	S	300	$135.03	Disposed	20800	Indirect
2011-05-09	Class A Common Stock	S	200	$135.04	Disposed	20600	Indirect
2011-05-09	Class A Common Stock	S	300	$135.05	Disposed	20300	Indirect
2011-05-09	Class A Common Stock	S	100	$135.07	Disposed	20200	Indirect
2011-05-09	Class A Common Stock	S	100	$135.08	Disposed	20100	Indirect
2011-05-09	Class A Common Stock	S	174	$135.09	Disposed	19926	Indirect
2011-05-09	Class A Common Stock	S	100	$135.14	Disposed	19826	Indirect
2011-05-09	Class A Common Stock	S	526	$135.15	Disposed	19300	Indirect
2011-05-09	Class A Common Stock	S	100	$135.17	Disposed	19200	Indirect
2011-05-09	Class A Common Stock	S	500	$135.19	Disposed	18700	Indirect
2011-05-09	Class A Common Stock	S	100	$135.20	Disposed	18600	Indirect
2011-05-09	Class A Common Stock	S	50	$135.21	Disposed	18550	Indirect
2011-05-09	Class A Common Stock	S	882	$135.2101	Disposed	17668	Indirect
2011-05-09	Class A Common Stock	S	400	$135.22	Disposed	17268	Indirect
2011-05-09	Class A Common Stock	S	50	$135.224	Disposed	17218	Indirect
2011-05-09	Class A Common Stock	S	500	$135.225	Disposed	16718	Indirect
2011-05-09	Class A Common Stock	S	1608	$135.23	Disposed	15110	Indirect
2011-05-09	Class A Common Stock	S	100	$135.234	Disposed	15010	Indirect
2011-05-09	Class A Common Stock	S	300	$135.236	Disposed	14710	Indirect
2011-05-09	Class A Common Stock	S	483	$135.24	Disposed	14227	Indirect
2011-05-09	Class A Common Stock	S	300	$135.2401	Disposed	13927	Indirect
2011-05-09	Class A Common Stock	S	109	$135.25	Disposed	13818	Indirect
2011-05-09	Class A Common Stock	S	600	$135.2501	Disposed	13218	Indirect
2011-05-09	Class A Common Stock	S	450	$135.26	Disposed	12768	Indirect

Footnotes

F1: These shares were acquired upon conversion of shares of Class B Common Stock, which were convertible on a 1-for-1 basis into shares of Class A Common Stock.

F2: Separate open market sale transactions that were executed on 05/09/2011 at the same price have been reported on an aggregate basis on a single line in Table I. The order in which sale transactions are set forth in Table I is not necessarily reflective of the sequence in which the sale transactions occurred in fact.