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	C	38113	—	Acquired	38113	Indirect
2011-05-10	Class A Common Stock	S	400	$136.00	Disposed	3713	Indirect
2011-05-10	Class A Common Stock	S	800	$136.01	Disposed	36913	Indirect
2011-05-10	Class A Common Stock	S	99	$136.0101	Disposed	36814	Indirect
2011-05-10	Class A Common Stock	S	433	$136.02	Disposed	36381	Indirect
2011-05-10	Class A Common Stock	S	101	$136.0201	Disposed	36280	Indirect
2011-05-10	Class A Common Stock	S	65	$136.022	Disposed	36215	Indirect
2011-05-10	Class A Common Stock	S	300	$136.04	Disposed	35915	Indirect
2011-05-10	Class A Common Stock	S	328	$136.05	Disposed	35587	Indirect
2011-05-10	Class A Common Stock	S	300	$136.06	Disposed	35287	Indirect
2011-05-10	Class A Common Stock	S	500	$136.0775	Disposed	34787	Indirect
2011-05-10	Class A Common Stock	S	401	$136.08	Disposed	34386	Indirect
2011-05-10	Class A Common Stock	S	719	$136.09	Disposed	33667	Indirect
2011-05-10	Class A Common Stock	S	612	$136.10	Disposed	33055	Indirect
2011-05-10	Class A Common Stock	S	28	$136.12	Disposed	33027	Indirect
2011-05-10	Class A Common Stock	S	3200	$136.15	Disposed	29827	Indirect
2011-05-10	Class A Common Stock	S	1400	$136.16	Disposed	28427	Indirect
2011-05-10	Class A Common Stock	S	100	$136.164	Disposed	28327	Indirect
2011-05-10	Class A Common Stock	S	580	$136.20	Disposed	27747	Indirect
2011-05-10	Class A Common Stock	S	500	$136.205	Disposed	27247	Indirect
2011-05-10	Class A Common Stock	S	500	$136.21	Disposed	26747	Indirect
2011-05-10	Class A Common Stock	S	400	$136.22	Disposed	26347	Indirect
2011-05-10	Class A Common Stock	S	207	$136.23	Disposed	26140	Indirect
2011-05-10	Class A Common Stock	S	7	$136.232	Disposed	26133	Indirect
2011-05-10	Class A Common Stock	S	300	$136.24	Disposed	25833	Indirect
2011-05-10	Class A Common Stock	S	100	$136.27	Disposed	25733	Indirect
2011-05-10	Class A Common Stock	S	300	$136.29	Disposed	25433	Indirect
2011-05-10	Class A Common Stock	S	300	$136.34	Disposed	25133	Indirect
2011-05-10	Class A Common Stock	S	100	$136.35	Disposed	25033	Indirect
2011-05-10	Class A Common Stock	S	134	$136.38	Disposed	24899	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-05-10	Class B Common Stock	$	C	38113	Disposed		Class A Common Stock (38113)	Indirect
2011-05-11	Class B Common Stock	$	C	9209	Disposed		Class A Common Stock (9209)	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 05/10/2011 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.