InsidersTradesSigma
Total declarations
Companies
▲ Purchases (1 ops.)
▼ Sales (11 ops.)
Insider track record
ExecutiveDisclosed buys
1
Disclosed sells
11
T+90 hit rate
56%
T+90 mean return
-4.4%
Across 9 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the complete record of transactions filed by SEAWELL A BROOKE, Director. Officer active across 3 companies, notably Tenable Holdings, Inc.. Cumulatively, 27 disclosures have been logged. Split: 1 buy · 11 sells. Total volume traded: €6.3m. 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.
Declarations27 total
6,062 shares0Common StockSEC:0001197652-26-000005
6,062 shares0Common StockSEC:0001197652-26-000005:0
115,000 shares@ US$9.660.040% mcap40.1% of flowCommon StockSEC:0001197652-25-000011:0
115,000 shares@ US$9.6640.1% of flowCommon StockSEC:0001197652-25-000011
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
856 shares@ US$328.910.0000% mcap12.9% of flowCommon StockSEC:0001045810-21-000165
856 shares@ US$328.910.0000% mcap6.5% of flowCommon StockSEC:0001045810-21-000165:0
7,702 shares@ US$223.850.0000% mcap38.0% of flowCommon StockSEC:0001045810-21-000142:0
7,702 shares@ US$223.850.0000% mcap76.1% of flowCommon StockSEC:0001045810-21-000142
356 shares@ US$706.980.0000% mcap5.5% of flowCommon StockSEC:0001045810-21-000112:0
356 shares@ US$706.983.7% of flowCommon StockSEC:0001045810-21-000112
6,677 shares@ US$42.790.0099% mcap9.9% of flowCommon StockSEC:0001660280-21-000105:0
6,677 shares@ US$42.799.0% of flowCommon StockSEC:0001660280-21-000105
429 shares0Common StockSEC:0001045810-21-000093:0
429 shares0Common StockSEC:0001045810-21-000093
6,677 shares0Common StockSEC:0001660280-21-000091:0
25 of 27 declarations
About SEAWELL A BROOKE
SEAWELL A BROOKE is a director at Tenable Holdings, Inc.
