Brett R. Chouinard - Jul 7, 2021 Form 4 Insider Report for Altair Engineering Inc. (ALTR)

Role: Chief Technical Officer, Modeling/Visualization, Director
Signature: /s/ Raoul Maitra, attorney-in-fact for Brett R. Chouinard
Stock symbol: ALTR
Transactions as of: Jul 7, 2021
Transactions value $: -$321,902
Form type: 4
Date filed: 7/7/2021, 07:59 PM
Previous filing: Jun 30, 2021
Next filing: Jul 15, 2021
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	$25.9K	+5K	+37.8%	$5.18^*	18.2K	Jul 7, 2021	Direct	F1
transaction	ALTR	Class A Common Stock	Sale	-$241K	-3.48K	-19.1%	$69.19	14.7K	Jul 7, 2021	Direct	F1, F2, F3
transaction	ALTR	Class A Common Stock	Sale	-$107K	-1.52K	-10.3%	$70.41	13.2K	Jul 7, 2021	Direct	F1, F2, F4

Showing 1 to 3 of 3 entries

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	-5K	-37.15%	$0.00	8.46K	Jul 7, 2021	Class A Common Stock	5K	$5.18	Direct	F5

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

Explanation of Responses:

Id	Content
F1	Includes 9,972 Class A Common Stock restricted stock units that are unvested.
F2	The sale of the shares of Class A Common Stock were made pursuant to a plan intended to comply with Rule 10b5-1 of the Exchange Act, previously entered into on May 13, 2021.
F3	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.84 to $69.783 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.
F4	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $70.26 to $70.72 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.
F5	The options vest in 4 equal annual installments commencing June 9, 2018.

Remarks:

Chief Technical Officer, Modeling/Visualization