Strategy Inc — Director's Dealing 2011

May 24, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MICROSTRATEGY INC (MSTR)
CIK: 0001050446
Period of Report: 2011-05-20

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
2011-05-20	Class A Common Stock	C	30000	—	Acquired	30000	Indirect
2011-05-20	Class A Common Stock	S	3800	$139.84	Disposed	26200	Indirect
2011-05-20	Class A Common Stock	S	600	$139.8401	Disposed	25600	Indirect
2011-05-20	Class A Common Stock	S	999	$139.85	Disposed	24601	Indirect
2011-05-20	Class A Common Stock	S	400	$139.86	Disposed	24201	Indirect
2011-05-20	Class A Common Stock	S	400	$139.8605	Disposed	23801	Indirect
2011-05-20	Class A Common Stock	S	100	$139.87	Disposed	23701	Indirect
2011-05-20	Class A Common Stock	S	540	$139.8901	Disposed	23161	Indirect
2011-05-20	Class A Common Stock	S	900	$139.8903	Disposed	22261	Indirect
2011-05-20	Class A Common Stock	S	101	$139.90	Disposed	22160	Indirect
2011-05-20	Class A Common Stock	S	100	$139.91	Disposed	22060	Indirect
2011-05-20	Class A Common Stock	S	900	$139.9101	Disposed	21160	Indirect
2011-05-20	Class A Common Stock	S	300	$139.96	Disposed	20860	Indirect
2011-05-20	Class A Common Stock	S	100	$140.01	Disposed	20760	Indirect
2011-05-20	Class A Common Stock	S	192	$140.04	Disposed	20568	Indirect
2011-05-20	Class A Common Stock	S	8	$140.0401	Disposed	20560	Indirect
2011-05-20	Class A Common Stock	S	200	$140.0405	Disposed	20360	Indirect
2011-05-20	Class A Common Stock	S	200	$140.17	Disposed	20160	Indirect
2011-05-20	Class A Common Stock	S	492	$140.28	Disposed	19668	Indirect
2011-05-20	Class A Common Stock	S	200	$140.2801	Disposed	19468	Indirect
2011-05-20	Class A Common Stock	S	868	$140.29	Disposed	18600	Indirect
2011-05-20	Class A Common Stock	S	700	$140.2901	Disposed	17900	Indirect
2011-05-20	Class A Common Stock	S	1000	$140.2903	Disposed	16900	Indirect
2011-05-20	Class A Common Stock	S	400	$140.30	Disposed	16500	Indirect
2011-05-20	Class A Common Stock	S	13600	$140.39	Disposed	2900	Indirect
2011-05-20	Class A Common Stock	S	1000	$140.3901	Disposed	1900	Indirect
2011-05-20	Class A Common Stock	S	500	$140.40	Disposed	1400	Indirect
2011-05-20	Class A Common Stock	S	100	$140.41	Disposed	1300	Indirect
2011-05-20	Class A Common Stock	S	200	$140.5301	Disposed	1100	Indirect
2011-05-20	Class A Common Stock	S	200	$140.5501	Disposed	900	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-05-20	Class B Common Stock	$	C	30000	Disposed		Class A Common Stock (30000)	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 05/20/2011 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.