Jan Kowal - Jun 4, 2021 Form 4 Insider Report for Altair Engineering Inc. (ALTR)

Role: Director
Signature: /s/ Raoul Maitra, attorney-in-fact for Jan Kowal
Stock symbol: ALTR
Transactions as of: Jun 4, 2021
Transactions value $: -$246,064
Form type: 4
Date filed: 6/8/2021, 01:12 PM
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ALTR	Class A Common Stock	Options Exercise	$20.7K	+4K	+44.44%	$5.18^*	13K	Jun 4, 2021	Direct
transaction	ALTR	Class A Common Stock	Sale	-$267K	-4K	-30.77%	$66.70	9K	Jun 4, 2021	Direct	F1

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	ALTR	Stock Option (Right to Buy)	Options Exercise	$0	-4K	-100%	$0.00^*	0	Jun 4, 2021	Class A Common Stock	4K	$5.18	Direct	F2

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

Jan Kowal is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $66.60 to $66.82 per share, inclusive. The reporting person undertakes to provide to Altair Engineering Inc., any security holder of Altair Engineering 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 ranges set forth herein.
F2	The option becomes exercisable as to 50% of the shares on June 9, 2018 and the remaining shares vest on June 9, 2019. This option is currently fully vested.

Content

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $66.60 to $66.82 per share, inclusive. The reporting person undertakes to provide to Altair Engineering Inc., any security holder of Altair Engineering 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 ranges set forth herein.

The option becomes exercisable as to 50% of the shares on June 9, 2018 and the remaining shares vest on June 9, 2019. This option is currently fully vested.