Seawell A Brooke insider trades
Seawell A Brooke has filed 31 Form 4s with the SEC that we hold, for Nvidia Corp (NVDA) (Director), Tenable Holdings, Inc. (TENB) (Director) and EAR (Director). Across all of them we count 0 purchases worth $0 and 63 sales worth $132.8M reported on Form 4. In the last 12 months: 0 purchases ($0) and 2 sales ($5.2M). The largest single trade was a sale of 49,595 shares of Nvidia Corp worth $7.9M, dated 2025-07-08. The first filing on our record is dated 2021-09-03 and the latest 2026-06-29.
Nvidia Corp (NVDA)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2021-09-01 | S, sale reported on Form 4 | 12,298 | $2.8M | 2021-09-03 |
| 2021-09-01 | S, sale reported on Form 4 | 7,702 | $1.7M | 2021-09-03 |
| 2021-11-19 | S, sale reported on Form 4 | 856 | $281.5K | 2021-11-22 |
| 2023-06-14 | S, sale reported on Form 4 | 860 | $365.2K | 2023-06-15 |
| 2024-05-28 | S, sale reported on Form 4 | 1,438 | $1.6M | 2024-05-30 |
| 2025-06-20 | S, sale reported on Form 4 | 8,674 | $1.2M | 2025-06-24 |
| 2025-06-20 | S, sale reported on Form 4 | 17,844 | $2.6M | 2025-06-24 |
| 2025-06-20 | S, sale reported on Form 4 | 20,921 | $3.0M | 2025-06-24 |
| 2025-06-20 | S, sale reported on Form 4 | 7,843 | $1.1M | 2025-06-24 |
| 2025-06-23 | S, sale reported on Form 4 | 45,725 | $6.6M | 2025-06-24 |
| 2025-06-23 | S, sale reported on Form 4 | 9,956 | $1.4M | 2025-06-24 |
| 2025-06-24 | S, sale reported on Form 4 | 852 | $125.9K | 2025-06-24 |
| 2025-06-24 | S, sale reported on Form 4 | 12,834 | $1.9M | 2025-06-24 |
| 2025-06-24 | S, sale reported on Form 4 | 40,781 | $6.0M | 2025-06-24 |
| 2025-06-25 | S, sale reported on Form 4 | 6,860 | $1.0M | 2025-06-27 |
| 2025-06-25 | S, sale reported on Form 4 | 28,055 | $4.3M | 2025-06-27 |
| 2025-06-25 | S, sale reported on Form 4 | 6,892 | $1.0M | 2025-06-27 |
| 2025-06-25 | S, sale reported on Form 4 | 10,967 | $1.7M | 2025-06-27 |
| 2025-06-26 | S, sale reported on Form 4 | 9,953 | $1.6M | 2025-06-27 |
| 2025-06-26 | S, sale reported on Form 4 | 27,941 | $4.3M | 2025-06-27 |
| 2025-06-26 | S, sale reported on Form 4 | 13,561 | $2.1M | 2025-06-27 |
| 2025-06-27 | S, sale reported on Form 4 | 14,355 | $2.2M | 2025-06-27 |
| 2025-06-27 | S, sale reported on Form 4 | 18,411 | $2.9M | 2025-06-27 |
| 2025-06-27 | S, sale reported on Form 4 | 13,013 | $2.1M | 2025-06-27 |
| 2025-06-27 | S, sale reported on Form 4 | 5,201 | $824.0K | 2025-06-27 |
| 2025-06-30 | S, sale reported on Form 4 | 3,930 | $621.4K | 2025-07-01 |
| 2025-06-30 | S, sale reported on Form 4 | 20,463 | $3.2M | 2025-07-01 |
| 2025-06-30 | S, sale reported on Form 4 | 26,519 | $4.2M | 2025-07-01 |
| 2025-07-01 | S, sale reported on Form 4 | 3,590 | $552.8K | 2025-07-01 |
| 2025-07-01 | S, sale reported on Form 4 | 14,391 | $2.2M | 2025-07-01 |
| 2025-07-01 | S, sale reported on Form 4 | 6,194 | $942.5K | 2025-07-01 |
| 2025-07-01 | S, sale reported on Form 4 | 3,224 | $499.8K | 2025-07-01 |
| 2025-07-01 | S, sale reported on Form 4 | 22,318 | $3.5M | 2025-07-01 |
| 2025-07-01 | S, sale reported on Form 4 | 2,023 | $317.3K | 2025-07-01 |
| 2025-07-02 | S, sale reported on Form 4 | 19,128 | $3.0M | 2025-07-07 |
| 2025-07-02 | S, sale reported on Form 4 | 2,682 | $422.0K | 2025-07-07 |
| 2025-07-02 | S, sale reported on Form 4 | 9,379 | $1.5M | 2025-07-07 |
| 2025-07-02 | S, sale reported on Form 4 | 16,042 | $2.5M | 2025-07-07 |
| 2025-07-02 | S, sale reported on Form 4 | 4,180 | $643.2K | 2025-07-07 |
| 2025-07-07 | S, sale reported on Form 4 | 24,776 | $3.9M | 2025-07-07 |
| 2025-07-07 | S, sale reported on Form 4 | 25,738 | $4.1M | 2025-07-07 |
| 2025-07-08 | S, sale reported on Form 4 | 705 | $112.5K | 2025-07-10 |
| 2025-07-08 | S, sale reported on Form 4 | 49,595 | $7.9M | 2025-07-10 |
| 2025-07-09 | S, sale reported on Form 4 | 850 | $139.7K | 2025-07-10 |
| 2025-07-09 | S, sale reported on Form 4 | 28,199 | $4.6M | 2025-07-10 |
| 2025-07-09 | S, sale reported on Form 4 | 19,922 | $3.2M | 2025-07-10 |
| 2025-07-10 | S, sale reported on Form 4 | 5,506 | $902.5K | 2025-07-10 |
| 2025-07-10 | S, sale reported on Form 4 | 21,333 | $3.5M | 2025-07-10 |
| 2025-07-10 | S, sale reported on Form 4 | 22,292 | $3.6M | 2025-07-10 |
| 2025-07-11 | S, sale reported on Form 4 | 8,883 | $1.5M | 2025-07-15 |
| 2025-07-11 | S, sale reported on Form 4 | 21,838 | $3.6M | 2025-07-15 |
| 2025-07-11 | S, sale reported on Form 4 | 2,562 | $420.7K | 2025-07-15 |
| 2025-07-11 | S, sale reported on Form 4 | 850 | $142.6K | 2025-07-15 |
| 2025-07-11 | S, sale reported on Form 4 | 13,979 | $2.3M | 2025-07-15 |
| 2025-07-14 | S, sale reported on Form 4 | 5,984 | $973.4K | 2025-07-15 |
| 2025-07-14 | S, sale reported on Form 4 | 3,684 | $608.4K | 2025-07-15 |
| 2025-07-14 | S, sale reported on Form 4 | 16,326 | $2.7M | 2025-07-15 |
| 2025-07-14 | S, sale reported on Form 4 | 22,798 | $3.7M | 2025-07-15 |
| 2025-12-02 | S, sale reported on Form 4 | 12,728 | $2.3M | 2025-12-04 |
Tenable Holdings, Inc. (TENB)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2024-02-09 | S, sale reported on Form 4 | 4,962 | $253.7K | 2024-02-13 |
| 2025-09-04 | S, sale reported on Form 4 | 4,622 | $139.2K | 2025-09-08 |
| 2025-09-09 | S, sale reported on Form 4 | 15,000 | $462.0K | 2025-09-11 |
| 2025-12-15 | S, sale reported on Form 4 | 115,000 | $2.9M | 2025-12-17 |
EAR
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Counted from the Form 4 filings this reporting owner (SEC CIK 1197652) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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