1. Corporate Officers - B
2. Brown Matthew Charles

Insider Trading History of Brown Matthew Charles

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Brown Matthew Charles since 2019. This trader's CIK number is 1766979. At the time of last reporting, Brown Matthew Charles was the Chief Financial Officer of Altair Engineering Inc.. (stock ticker symbol ALTR). Also see all insider trading activities at Altair Engineering Inc..

Note that in the past Brown Matthew Charles also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Gen Digital Inc. (NLOK) by Brown Matthew Charles

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2020	NLOK	0	$0	34,748	$783,179	0	$0
2019	NLOK	0	$0	5,393	$118,106	0	$0

Yearly summary of insider trading at Altair Engineering Inc. (ALTR) by Brown Matthew Charles

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2025	ALTR	0	$0	4,553	$507,735	0	$0
2024	ALTR	0	$0	5,246	$440,306	0	$0
2023	ALTR	0	$0	3,477	$221,971	0	$0
2022	ALTR	0	$0	2,298	$148,335	0	$0

Insider trading activities at 2 companies by Brown Matthew Charles:

1. Gen Digital Inc. (NLOK)

2. Altair Engineering Inc. (ALTR)

Table 1. Insider trading of Gen Digital Inc. (NLOK) by Brown Matthew Charles

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2020-08-17	NLOK	Sale	531	22.94	12,181
2020-08-11	NLOK	Sale	31,598	22.63	714,967
2020-02-18	NLOK	Sale	1,766	20.45	36,114
2019-08-16	NLOK	Sale	853	23.35	19,917
2019-03-07	SYMC	Sale	5,393	21.90	118,106

Table 2. Insider trading of Altair Engineering Inc. (ALTR) by Brown Matthew Charles

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2025-03-03	ALTR	Sale	742	111.45	82,695
2025-02-26	ALTR	Sale	3,811	111.53	425,040
2024-03-04	ALTR	Sale	883	85.32	75,337
2024-02-28	ALTR	Sale	4,363	83.65	364,969
2023-03-01	ALTR	Sale	3,477	63.84	221,971
2022-03-07	ALTR	Sale	2,298	64.55	148,335

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Brown Matthew Charles (Chief Financial Officer of Altair Engineering Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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