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Total declarations
Companies
▲ Purchases (1 ops.)
▼ Sales (14 ops.)
Latest filing published 25 Aug 2026 for Tenable Holdings, Inc., €218k.
Filing timeline
BuySaleMatthew Charles Brown
Insider track record
Disclosed buys
1
Disclosed sells
14
Signal history
Closed purchases
Market purchases
1
Not enough history yet: 1 closed purchase, at least 2 are needed.
Purchases by company
Since each purchase
- +69.8%Entry US$21.16 · Close at T+90 US$35.94
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
Matthew Charles Brown: trading record in brief
Matthew Charles Brown appears at three Nasdaq companies: Altair Engineering Inc. (24 filings, Chief Financial Officer), Gen Digital Inc. (14, VP, Finance & CAO) and Tenable Holdings, Inc. (9, Chief Financial Officer). The 47 filings in this record run from February 2019 to August 2026.
There are 14 sales, worth EUR 2.1 million with a median of EUR 91,900. The largest, EUR 609,262 at Gen Digital Inc., is dated August 11, 2020; two others concern Altair Engineering Inc. (EUR 403,874 on February 26, 2025 and EUR 336,538 on February 28, 2024). A single purchase appears in the record: EUR 221,075 at Tenable Holdings, Inc. on May 4, 2026, or 7% of market trades.
The rest is 26 grants, 4 option exercises and 2 other lines. Nine filings fall in the last twelve months, including the May 2026 purchase. They are published a median of 2 days after the trade, across 45 dated filings.
Within 30 days of colleagues at Altair Engineering Inc., Brown has 9, 9 and 8 own market trades, in that order. All in the same direction. Colleagues in order: James Ralph Scapa, Nelson Dias and Amy Messano.
Companies and markets linked to Matthew Charles Brown
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations47 total
7,400 shares@ US$34.380.0062% mcap39.4% of flowCommon StockSEC:0001766979-26-000010:1
14,544 shares0Common StockSEC:0001766979-26-000010:0
5,219 shares@ US$25.170.0040% mcap20.5% of flowCommon StockSEC:0001766979-26-000008:1
14,544 shares0Common StockSEC:0001766979-26-000008:0
12,000 shares@ US$21.540.0065% mcap40.1% of flowCommon StockSEC:0001766979-26-000006:0
Canonical exit: 2 Aug 2026 (T+90)
5,269 shares@ US$17.5510.4% of flowCommon StockSEC:0001766979-26-000002:1
14,544 shares0Common StockSEC:0001766979-26-000002:0
5,278 shares@ US$26.0615.9% of flowCommon StockSEC:0001766979-25-000005:1
14,544 shares0Common StockSEC:0001766979-25-000005:0
66,125 shares@ US$113.0084.1% of flowClass A Common StockSEC:0000950170-25-045344:0
2,527 shares0Class A Common StockSEC:0001127602-25-008597:0
742 shares@ US$111.451.0% of flowClass A Common StockSEC:0001127602-25-008198:0
3,811 shares@ US$111.534.9% of flowClass A Common StockSEC:0001127602-25-007093:0
17,613 shares0Class A Common StockSEC:0001127602-25-004818:0
73 shares@ US$82.420.1% of flowClass A Common StockSEC:0001127602-25-001279:0
1,048 shares@ US$108.901.3% of flowClass A Common StockSEC:0001127602-24-030013:0
83 shares@ US$71.680.1% of flowClass A Common StockSEC:0001127602-24-020479:0
8,625 shares0Class A Common StockSEC:0001127602-24-010555:0
883 shares@ US$85.320.8% of flowClass A Common StockSEC:0001127602-24-008453:0
4,363 shares@ US$83.6514.1% of flowClass A Common StockSEC:0001127602-24-007579:0
94 shares@ US$63.920.1% of flowClass A Common StockSEC:0001127602-24-001457:0
10,000 shares0Class A Common StockSEC:0001127602-23-030252:0
140 shares@ US$42.650.1% of flowClass A Common StockSEC:0001127602-23-020793:0
348 shares@ US$63.840.3% of flowClass A Common StockSEC:0001127602-23-008608:1
956 shares@ US$63.840.7% of flowClass A Common StockSEC:0001127602-23-008608:2
25 of 47 declarations
