InsidersTradesSigma
Total declarations
Companies
▲ Purchases (1 ops.)
▼ Sales (16 ops.)
Insider track record
ExecutiveDisclosed buys
1
Disclosed sells
16
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Explore the complete record of transactions filed by Seawell A Brooke, Director. Officer active across 3 companies, notably Tenable Holdings, Inc.. Cumulatively, 32 disclosures have been logged. Split: 1 buy · 16 sells. Total volume traded: €19m. Activity tracked since 25 May 2021. The latest transaction was disclosed on 13 May 2026 (Levée d'options). Regulator: SEC (Form 4). All data is openly available.
Companies and markets linked to Seawell A Brooke
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations32 total
6,062 shares0Common StockSEC:0001197652-26-000005:0
530 shares0Common StockSEC:0001197652-26-000003:0
115,000 shares@ US$9.660.040% mcap40.1% of flowCommon StockSEC:0001197652-25-000011:0
12,728 shares@ US$183.934411.2% of flowCommon StockSEC:0001197652-25-000009:0
520,000 shares0Common StockSEC:0001197652-25-000007:0
15,000 shares@ US$30.8020.4% of flowCommon StockSEC:0001660280-25-000119:0
4,622 shares@ US$30.126.2% of flowCommon StockSEC:0001660280-25-000114:0
1,200,000 shares0Common StockSEC:0001197652-25-000005:0
2,562 shares@ US$164.21322.2% of flowCommon StockSEC:0001045810-25-000190:0
49,595 shares@ US$159.037242.9% of flowCommon StockSEC:0001045810-25-000188:0
4,180 shares@ US$153.88183.5% of flowCommon StockSEC:0001045810-25-000186:0
20,463 shares@ US$156.707132.3% of flowCommon StockSEC:0001045810-25-000183:0
1,799 shares0Common StockSEC:0001045810-25-000173:0
6,892 shares@ US$149.968715.5% of flowCommon StockSEC:0001045810-25-000151:0
8,674 shares@ US$143.232618.9% of flowCommon StockSEC:0001045810-25-000146:0
4,607 shares0Common StockSEC:0001628280-25-025905:0
2,088 shares0Common StockSEC:0001045810-24-000199:0
1,438 shares@ US$1,117.7226.2% of flowCommon StockSEC:0001045810-24-000128:0
5,201 shares0Common StockSEC:0001660280-24-000101:0
4,962 shares@ US$51.129.1% of flowCommon StockSEC:0001660280-24-000015:0
650 shares0Common StockSEC:0001045810-23-000155:0
860 shares@ US$424.696.0% of flowCommon StockSEC:0001045810-23-000115:0
4,044 shares0Common StockSEC:0001660280-23-000073:0
1,438 shares0Common StockSEC:0001045810-22-000107:0
4,962 shares0Common StockSEC:0001660280-22-000097:0
25 of 32 declarations
About Seawell A Brooke
SEAWELL A BROOKE is a Director at NVIDIA CORP, Tenable Holdings, Inc. and Tableau Software Inc. He has 32 filings in total, and in the sampled recent filings all transactions are sales for a total of EUR 19048779, over the period from 2016-02-12 to 2026-05-15.
