Strategy Inc — Director's Dealing 2011

May 12, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MICROSTRATEGY INC (MSTR)
CIK: 0001050446
Period of Report: 2011-05-10

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
2011-05-10	Class A Common Stock	S	500	$136.709	Disposed	5220	Indirect
2011-05-10	Class A Common Stock	S	600	$136.7301	Disposed	4620	Indirect
2011-05-10	Class A Common Stock	S	100	$136.755	Disposed	4520	Indirect
2011-05-10	Class A Common Stock	S	700	$136.77	Disposed	3820	Indirect
2011-05-10	Class A Common Stock	S	664	$136.81	Disposed	3156	Indirect
2011-05-10	Class A Common Stock	S	1500	$136.8101	Disposed	1656	Indirect
2011-05-10	Class A Common Stock	S	520	$136.82	Disposed	1136	Indirect
2011-05-10	Class A Common Stock	S	100	$136.822	Disposed	1036	Indirect
2011-05-10	Class A Common Stock	S	936	$136.83	Disposed	100	Indirect
2011-05-10	Class A Common Stock	S	100	$136.84	Disposed	0	Indirect
2011-05-11	Class A Common Stock	C	9209	—	Acquired	9209	Indirect
2011-05-11	Class A Common Stock	S	400	$136.26	Disposed	8809	Indirect
2011-05-11	Class A Common Stock	S	100	$136.2601	Disposed	8709	Indirect
2011-05-11	Class A Common Stock	S	500	$136.2603	Disposed	8209	Indirect
2011-05-11	Class A Common Stock	S	400	$136.2605	Disposed	7809	Indirect
2011-05-11	Class A Common Stock	S	1362	$136.6401	Disposed	6447	Indirect
2011-05-11	Class A Common Stock	S	200	$136.645	Disposed	6247	Indirect
2011-05-11	Class A Common Stock	S	1000	$136.65	Disposed	5247	Indirect
2011-05-11	Class A Common Stock	S	2924	$136.70	Disposed	2323	Indirect
2011-05-11	Class A Common Stock	S	85	$136.71	Disposed	2238	Indirect
2011-05-11	Class A Common Stock	S	200	$136.76	Disposed	2038	Indirect
2011-05-11	Class A Common Stock	S	38	$137.07	Disposed	2000	Indirect
2011-05-11	Class A Common Stock	S	100	$137.08	Disposed	1900	Indirect
2011-05-11	Class A Common Stock	S	900	$137.44	Disposed	1000	Indirect
2011-05-11	Class A Common Stock	S	600	$137.445	Disposed	400	Indirect
2011-05-11	Class A Common Stock	S	200	$137.47	Disposed	200	Indirect
2011-05-11	Class A Common Stock	S	200	$137.75	Disposed	0	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 05/11/2011 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.