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	C	23089	—	Acquired	23089	Indirect
2011-05-06	Class A Common Stock	S	1200	$135.40	Disposed	21889	Indirect
2011-05-06	Class A Common Stock	S	589	$135.41	Disposed	21300	Indirect
2011-05-06	Class A Common Stock	S	100	$135.42	Disposed	21200	Indirect
2011-05-06	Class A Common Stock	S	400	$135.4775	Disposed	20800	Indirect
2011-05-06	Class A Common Stock	S	300	$135.50	Disposed	20500	Indirect
2011-05-06	Class A Common Stock	S	300	$135.545	Disposed	20200	Indirect
2011-05-06	Class A Common Stock	S	200	$135.55	Disposed	20000	Indirect
2011-05-06	Class A Common Stock	S	200	$135.56	Disposed	19800	Indirect
2011-05-06	Class A Common Stock	S	300	$135.565	Disposed	19500	Indirect
2011-05-06	Class A Common Stock	S	800	$135.57	Disposed	18700	Indirect
2011-05-06	Class A Common Stock	S	106	$135.60	Disposed	18594	Indirect
2011-05-06	Class A Common Stock	S	200	$135.61	Disposed	18394	Indirect
2011-05-06	Class A Common Stock	S	100	$135.62	Disposed	18294	Indirect
2011-05-06	Class A Common Stock	S	1030	$135.63	Disposed	17264	Indirect
2011-05-06	Class A Common Stock	S	164	$135.64	Disposed	17100	Indirect
2011-05-06	Class A Common Stock	S	281	$135.6801	Disposed	16819	Indirect
2011-05-06	Class A Common Stock	S	1600	$135.70	Disposed	15219	Indirect
2011-05-06	Class A Common Stock	S	500	$135.7001	Disposed	14719	Indirect
2011-05-06	Class A Common Stock	S	155	$135.7101	Disposed	14564	Indirect
2011-05-06	Class A Common Stock	S	100	$135.7225	Disposed	14464	Indirect
2011-05-06	Class A Common Stock	S	145	$135.727	Disposed	14319	Indirect
2011-05-06	Class A Common Stock	S	200	$135.76	Disposed	14119	Indirect
2011-05-06	Class A Common Stock	S	100	$135.765	Disposed	14019	Indirect
2011-05-06	Class A Common Stock	S	900	$135.7675	Disposed	13119	Indirect
2011-05-06	Class A Common Stock	S	200	$135.81	Disposed	12919	Indirect
2011-05-06	Class A Common Stock	S	400	$135.82	Disposed	12519	Indirect
2011-05-06	Class A Common Stock	S	200	$135.8301	Disposed	12319	Indirect
2011-05-06	Class A Common Stock	S	2000	$135.835	Disposed	10319	Indirect
2011-05-06	Class A Common Stock	S	180	$135.88	Disposed	10139	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-05-06	Class B Common Stock	$	C	23089	Disposed		Class A Common Stock (23089)	Indirect
2011-05-09	Class B Common Stock	$	C	26300	Disposed		Class A Common Stock (26300)	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: Shares that are indicated as being "owned by LLC" are owned directly by Alcantara LLC (the "LLC"), and indirectly by Mr. Saylor as the sole member of the LLC. The LLC's address is the same as Mr. Saylor's address. The LLC has designated Mr. Saylor as the designated filer. Mr. Saylor is an officer, director and ten percent owner of the issuer.

F3: Separate open market sale transactions that were executed on 05/06/2011 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.

F4: Shares of Class B Common Stock are convertible immediately upon receipt into shares of Class A Common Stock on a 1-for-1 basis and have no expiration date.

F5: See Exhibit A.