Christ Revocable Trust - 03 Nov 2021 Form 4 Insider Report for Altair Engineering Inc. (ALTR)

Role: 10%+ Owner
Signature: /s/ Raoul Maitra, attorney-in-fact for Christ Revocable Trust dated May 8, 2015
Issuer symbol: ALTR
Transactions as of: 03 Nov 2021
Net transactions value: -$7,795,261
Form type: 4
Filing time: 05 Nov 2021, 10:38:26 UTC
Previous filing: 15 Oct 2021
Next filing: 15 Dec 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	Conversion of derivative security	$0	+85,006		$0.000000	85,006	03 Nov 2021	Direct
transaction	ALTR	Class A Common Stock	Sale	$6,611,342	-85,006	-100%	$77.78	0	03 Nov 2021	Direct	F1
transaction	ALTR	Class A Common Stock	Conversion of derivative security	$0	+14,994		$0.000000	14,994	04 Nov 2021	Direct
transaction	ALTR	Class A Common Stock	Sale	$501,074	-6,391	-43%	$78.40	8,603	04 Nov 2021	Direct	F2
transaction	ALTR	Class A Common Stock	Sale	$682,846	-8,603	-100%	$79.37	0	04 Nov 2021	Direct	F3

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	Class B Common Stock	Conversion of derivative security	$0	-85,006	-1.5%	$0.000000	5,696,772	03 Nov 2021	Class A Common Stock	85,006	$0.000000	Direct	F4
transaction	ALTR	Class B Common Stock	Conversion of derivative security	$0	-14,994	-0.26%	$0.000000	5,681,778	04 Nov 2021	Class A Common Stock	14,994	$0.000000	Direct	F4

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

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 $77.50 to $78.38 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 price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $78.085 to $79.05 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.
F3	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $79.11 to $79.68 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	Each share of Class B common stock is immediately convertible, at the option of the shareholder, into one share of Class A common stock and shall automatically convert into Class A common stock upon the occurrence of certain events. Please see Altair Engineering Inc. Registration Statement filed with the Securities and Exchange Commission on Form S-1 (File No. 333-225412) for a description of the conversion rights.