Matthew Charles Brown

Insider Reports History

Location
Mountain View, CA
Signature
/s/ David Bartholomew, Attorney-in-Fact
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Matthew Charles Brown:

Company Role Class Num Shares Value Price $ Report Date Ownership
Tenable Holdings, Inc. Chief Financial Officer Common Stock 9,266 $241,471 $26.06 21 Nov 2025 Direct
Altair Engineering Inc. Chief Financial Officer Class A Common Stock 0 $0 $113.00 26 Mar 2025 Direct
Altair Engineering Inc. Chief Financial Officer Class A Common Stock Option 0 $0 $33.97 26 Mar 2025 Direct
Tenable Holdings, Inc. Chief Financial Officer Restricted Stock Units 218,168 21 Nov 2025 Direct

Insider Reports Filed by Matthew Charles Brown

Symbol Company Period Transactions Value $ Form Type Role Filing Time
TENB Tenable Holdings, Inc. 21 Nov 2025 3 -$137,545 4 Chief Financial Officer 25 Nov 2025, 19:40
TENB Tenable Holdings, Inc. 21 Aug 2025 1 $0 4 Chief Financial Officer 25 Aug 2025, 19:20
TENB Tenable Holdings, Inc. 21 Aug 2025 0 $0 3 Chief Financial Officer 25 Aug 2025, 19:20
ALTR Altair Engineering Inc. 26 Mar 2025 7 -$14,304,601 4 Chief Financial Officer 26 Mar 2025, 16:42
ALTR Altair Engineering Inc. 06 Mar 2025 1 $0 4 Chief Financial Officer 06 Mar 2025, 17:47
ALTR Altair Engineering Inc. 03 Mar 2025 1 -$82,696 4 Chief Financial Officer 05 Mar 2025, 12:02
ALTR Altair Engineering Inc. 26 Feb 2025 1 -$425,041 4 Chief Financial Officer 27 Feb 2025, 13:53
ALTR Altair Engineering Inc. 12 Feb 2025 1 $0 4 Chief Financial Officer 14 Feb 2025, 10:41
ALTR Altair Engineering Inc. 14 Jan 2025 1 +$6,017 4 Chief Financial Officer 16 Jan 2025, 09:24
ALTR Altair Engineering Inc. 23 Dec 2024 1 -$114,127 4 Chief Financial Officer 26 Dec 2024, 09:43
ALTR Altair Engineering Inc. 12 Jul 2024 1 +$5,949 4 Chief Financial Officer 16 Jul 2024, 12:30
ALTR Altair Engineering Inc. 15 Mar 2024 2 $0 4 Chief Financial Officer 19 Mar 2024, 11:47
ALTR Altair Engineering Inc. 04 Mar 2024 1 -$75,338 4 Chief Financial Officer 05 Mar 2024, 14:41
ALTR Altair Engineering Inc. 28 Feb 2024 1 -$364,969 4 Chief Financial Officer 29 Feb 2024, 15:34
ALTR Altair Engineering Inc. 12 Jan 2024 1 +$6,008 4 Chief Financial Officer 17 Jan 2024, 17:24
ALTR Altair Engineering Inc. 20 Dec 2023 1 $0 4 Chief Financial Officer 21 Dec 2023, 10:46
ALTR Altair Engineering Inc. 14 Jul 2023 1 +$5,971 4 Chief Financial Officer 17 Jul 2023, 14:25
ALTR Altair Engineering Inc. 01 Mar 2023 5 -$221,972 4 Chief Financial Officer 03 Mar 2023, 11:54
ALTR Altair Engineering Inc. 14 Jan 2023 1 +$6,008 4 Chief Financial Officer 18 Jan 2023, 11:21
ALTR Altair Engineering Inc. 15 Dec 2022 1 $0 4 Chief Financial Officer 16 Dec 2022, 12:39
ALTR Altair Engineering Inc. 14 Jul 2022 1 +$6,044 4 Chief Financial Officer 18 Jul 2022, 10:16
ALTR Altair Engineering Inc. 19 Mar 2022 2 $0 4 Chief Financial Officer 22 Mar 2022, 19:13
ALTR Altair Engineering Inc. 07 Mar 2022 1 -$148,336 4 Chief Financial Officer 09 Mar 2022, 19:52
ALTR Altair Engineering Inc. 15 Feb 2022 2 $0 4 Chief Financial Officer 16 Mar 2022, 16:49
ALTR Altair Engineering Inc. 14 Jan 2022 1 +$5,948 4 Chief Financial Officer 19 Jan 2022, 13:48