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Filing Details

Accession Number:: 0001246360-12-001095
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2012-02-21 17:15:16
Reporting Period:: 2012-02-16

Filing Date:: 2012-02-21
Accepted Time:: 2012-02-21 17:15:16
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
929940	Aspen Technology Inc	AZPN	Services-Computer Programming Services (7371)	042739697

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1407695	J Antonio Pietri	Aspen Technology, Inc. 200 Wheeler Road Burlington MA 01803	Evp, Field Operations	No	No	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2012-02-16	3,781	$6.57	168,367	No	4	M	Direct
Common Stock	Acquisiton	2012-02-16	18,213	$6.57	186,580	No	4	M	Direct
Common Stock	Disposition	2012-02-16	21,994	$21.61	164,586	No	4	S	Direct
Common Stock	Disposition	2012-02-16	20,000	$21.64	144,586	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	M	Direct
No	4	S	Direct
No	4	S	Direct

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Employee Stock Option (Right to Buy)	Disposition	2012-02-16	3,781	$0.00	3,781	$6.57
Common Stock	Employee Stock Option (Right to Buy)	Disposition	2012-02-16	18,213	$0.00	18,213	$6.57

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0		2014-10-14	No	4	M	Direct
0		2014-10-14	No	4	M	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	270	Indirect	By IRA
Common Stock	1,068	Indirect	Held by spouse by IRA

Footnotes

The option, representing a right to purchase a total of 3,781 shares, became exercisable in 2 installments of 1,622 shares on December 31, 2005 and December 31, 2006, and an installment of 537 shares on December 31, 2007.
The option, representing a right to purchase a total of 46,219 shares, became exercisable in 13 installments of 3,125 shares on December, 31, 2004, March 31, 2005, June 30, 2005, September 30, 2005, March 31, 2006, June 30, 2006, September 30, 2006, March 31, 2007, June 30, 2007, September 30, 2007, March 31, 2008, June 30, 2008 and September 30, 2008; in installments of 1,503 shares on December 31, 2005 and December 31, 2006; and in an installment of 2,588 shares on December 31, 2007. The option was exercised as to 28,006 shares on May 11, 2007.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.503 to $21.8353, inclusive. The reporting person undertakes to provide to Aspen Technology, Inc., any security holder of Aspen Technology, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.45 to $21.84, inclusive. The reporting person undertakes to provide to Aspen Technology, Inc., any security holder of Aspen Technology, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.