SEC Form 4 · accession 0001127602-15-019754

· AZPN

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Officer — CTO and Executive VP of R&D

Period of report

Jun 1, 2015

Accepted (ET)

Jun 3, 2015 · 5:22 pm EDT

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0000929940

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I
Common Stock	Jun 1, 2015	M	2,344	$15.50	A	83,977	D
Common Stock	Jun 1, 2015	S	2,344	$43.00	D	81,633	D
Common Stock	Jun 1, 2015	S	534	$43.30	D	81,099	D
Common Stock	Jun 2, 2015	M	13,000	$23.38	A	94,099	D
Common Stock^F1	Jun 2, 2015	S	22,000	$43.2318	D	72,099	D

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Employee Stock Option (Right to Buy)^F2	$15.50	Jun 1, 2015	M	2,344	D	—	Jul 31, 2021	Common Stock	2,344	2,344	D
Employee Stock Option (Right to Buy)^F3	$23.38	Jun 2, 2015	M	13,000	D	—	Jul 31, 2022	Common Stock	13,000	10,232	D

F1The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.10 to $43.50, 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.
F2The option granted at the exercise price of $15.50, representing a right to purchase 37,500 shares, became exercisable in 16 equal consecutive quarterly installments on the last business day of each quarter, beginning on September 30, 2011.
F3The option granted at the exercise price of $23.38, representing a right to purchase 27,401 shares, became exercisable in 16 equal consecutive quarterly installments on the last business day of each quarter, beginning on September 28, 2012.