GC Investments LLC - Nov 29, 2023 Form 4 Insider Report for Altair Engineering Inc. (ALTR)

Role: 10%+ Owner
Signature: /s/ Raoul Maitra attorney-in-fact for GC Investments, LLC
Stock symbol: ALTR
Transactions as of: Nov 29, 2023
Transactions value $: -$1,949,987
Form type: 4
Date filed: 12/1/2023, 02:20 PM
Previous filing: Nov 22, 2023
Next filing: Dec 5, 2023

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	+25.6K		$0.00	25.6K	Nov 29, 2023	Direct
transaction	ALTR	Class A Common Stock	Sale	-$1.86M	-25.5K	-99.61%	$73.10	100	Nov 29, 2023	Direct	F1
transaction	ALTR	Class A Common Stock	Sale	-$7.38K	-100	-100%	$73.84	0	Nov 29, 2023	Direct
transaction	ALTR	Class A Common Stock	Conversion of derivative security	$0	+1.13K		$0.00	1.13K	Nov 30, 2023	Direct
transaction	ALTR	Class A Common Stock	Sale	-$81.9K	-1.13K	-100%	$72.65	0	Nov 30, 2023	Direct

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	-25.6K	-0.54%	$0.00	4.71M	Nov 29, 2023	Class A Common Stock	25.6K	$0.00	Direct	F2
transaction	ALTR	Class B Common Stock	Conversion of derivative security	$0	-1.13K	-0.02%	$0.00	4.71M	Nov 30, 2023	Class A Common Stock	1.13K	$0.00	Direct	F2

* 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 $72.65 to $73.355 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	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.

Content

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $72.65 to $73.355 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.

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.