Mark E. Mouritsen - Feb 6, 2023 Form 4/A - Amendment Insider Report for Aspen Technology, Inc. (AZPN)

Role: Senior VP & General Counsel
Signature: /s/ Mark E. Mouritsen
Stock symbol: AZPN
Transactions as of: Feb 6, 2023
Transactions value $: $1,641,570
Form type: 4/A - Amendment
Date filed: 2/13/2023, 04:43 PM
Date Of Original Report: Feb 8, 2023
Next filing: Jul 5, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AZPN	Common Stock	Award	$0	+5.67K		$0.00	5.67K	Feb 6, 2023	Direct	F1, F2
transaction	AZPN	Common Stock	Award	$0	+4.24K	+74.73%	$0.00	9.9K	Feb 6, 2023	Direct	F2, F3
transaction	AZPN	Common Stock	Tax liability	-$215K	-1.07K	-10.8%	$200.73	8.83K	Feb 9, 2023	Direct	F4

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	AZPN	Employee Stock Option (Right to Buy)	Award	$1.86M	+9.25K		$200.73	9.25K	Feb 6, 2023	Common Stock	9.25K	$200.73	Direct	F5

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each Restricted Stock Unit represents a contingent right to receive one share of Aspen Technology, Inc. common stock. Subject to rounding to whole shares, the Restricted Stock Units vest in 16 equal consecutive quarterly installments on the last business day of the quarter beginning with the quarter ending June 30, 2023.
F2	The Restricted Stock Units were received as a grant for no consideration.
F3	Each Restricted Stock Unit represents a contingent right to receive one share of Aspen Technology, Inc. common stock. The Restricted Stock Units were fully vested on the date of grant.
F4	Shares withheld by Registrant to satisfy minimum statutory tax withholding requirements on vesting of Restricted Stock Units and distribution of stock. The shares were withheld upon acceptance of the grant.
F5	Subject to rounding, the option granted at the exercise price of $200.73 vests in 16 equal consecutive quarterly installments on the last business day of the quarter beginning with the quarter ending June 30, 2023.