SEAWELL A BROOKE, a director, made no open market purchases of stock in the last year but conducted significant sales. For Tenable Holdings ($TENB), she sold shares three times totaling $3.46 million, with the latest on December 15, 2025, ranking 2,464th among insiders. Her NVIDIA ($NVDA) activity was far larger, with 54 sales worth $122.3 million and the most recent on December 2, 2025, placing 132nd out of nearly 12,000 insiders who averaged $8.6 million across about six transactions each.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 17, 2026 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | G | Common Stock | 530 | $0.00 | 2,506,607.0000 | 24,542,000,000 | 0.02% | 0.00% |
| Dec. 15, 2025 | Tenable Holdings, Inc. | $TENB | SEAWELL A BROOKE | Director | S | Common Stock | 115000 | $24.82 | 24,230.0000 | 121,953,000 | 82.60% | 0.09% |
| Dec. 15, 2025 | Tenable Holdings, Inc. | $TENB | SEAWELL A BROOKE | Director | M | Common Stock | 115000 | $9.66 | 139,230.0000 | 121,953,000 | 474.62% | 0.09% |
| Dec. 15, 2025 | Tenable Holdings, Inc. | $TENB | SEAWELL A BROOKE | Director | M | Employee Stock Option (right to buy) | 115000 | $0.00 | 0.0000 | 121,953,000 | 100.00% | 0.09% |
| Dec. 2, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 12728 | $183.93 | 2,507,137.0000 | 24,542,000,000 | 0.51% | 0.00% |
| Nov. 24, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | G | Common Stock | 520000 | $0.00 | 2,519,865.0000 | 24,542,000,000 | 17.11% | 0.00% |
| Sept. 9, 2025 | Tenable Holdings, Inc. | $TENB | SEAWELL A BROOKE | Director | S | Common Stock | 15000 | $30.80 | 24,230.0000 | 118,789,000 | 38.24% | 0.01% |
| Sept. 4, 2025 | Tenable Holdings, Inc. | $TENB | SEAWELL A BROOKE | Director | S | Common Stock | 4622 | $30.12 | 39,230.0000 | 118,789,000 | 10.54% | 0.00% |
| Aug. 29, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | G | Common Stock | 1200000 | $0.00 | 3,039,865.0000 | 24,804,000,000 | 28.30% | 0.00% |
| July 11, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 8883 | $165.16 | 4,325,324.0000 | 24,804,000,000 | 0.20% | 0.00% |
| July 11, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 21838 | $166.33 | 4,303,486.0000 | 24,804,000,000 | 0.50% | 0.00% |
| July 11, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 13979 | $167.19 | 4,289,507.0000 | 24,804,000,000 | 0.32% | 0.00% |
| July 11, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 850 | $167.79 | 4,288,657.0000 | 24,804,000,000 | 0.02% | 0.00% |
| July 14, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 5984 | $162.67 | 4,282,673.0000 | 24,804,000,000 | 0.14% | 0.00% |
| July 14, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 22798 | $163.63 | 4,259,875.0000 | 24,804,000,000 | 0.53% | 0.00% |
| July 14, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 16326 | $164.62 | 4,243,549.0000 | 24,804,000,000 | 0.38% | 0.00% |
| July 14, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 3684 | $165.14 | 4,239,865.0000 | 24,804,000,000 | 0.09% | 0.00% |
| July 11, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 2562 | $164.21 | 4,334,207.0000 | 24,804,000,000 | 0.06% | 0.00% |
| July 8, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 705 | $159.60 | 4,434,871.0000 | 24,804,000,000 | 0.02% | 0.00% |
| July 8, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 49595 | $159.04 | 4,435,576.0000 | 24,804,000,000 | 1.11% | 0.00% |
| July 9, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 19922 | $162.96 | 4,414,949.0000 | 24,804,000,000 | 0.45% | 0.00% |
| July 9, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 28199 | $163.62 | 4,386,750.0000 | 24,804,000,000 | 0.64% | 0.00% |
| July 9, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 850 | $164.30 | 4,385,900.0000 | 24,804,000,000 | 0.02% | 0.00% |
| July 10, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 22292 | $162.32 | 4,363,608.0000 | 24,804,000,000 | 0.51% | 0.00% |
| July 10, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 21333 | $163.08 | 4,342,275.0000 | 24,804,000,000 | 0.49% | 0.00% |
| July 10, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 5506 | $163.91 | 4,336,769.0000 | 24,804,000,000 | 0.13% | 0.00% |
| July 2, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 19128 | $156.57 | 4,538,367.0000 | 24,804,000,000 | 0.42% | 0.00% |
| July 2, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 2682 | $157.35 | 4,535,685.0000 | 24,804,000,000 | 0.06% | 0.00% |
| July 7, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 25738 | $158.06 | 4,509,947.0000 | 24,804,000,000 | 0.57% | 0.00% |
| July 2, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 16042 | $154.61 | 4,566,874.0000 | 24,804,000,000 | 0.35% | 0.00% |
| July 7, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 24776 | $158.69 | 4,485,171.0000 | 24,804,000,000 | 0.55% | 0.00% |
| July 2, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 4180 | $153.88 | 4,582,916.0000 | 24,804,000,000 | 0.09% | 0.00% |
| July 2, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 9379 | $155.62 | 4,557,495.0000 | 24,804,000,000 | 0.21% | 0.00% |
| June 30, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 26519 | $157.32 | 4,642,766.0000 | 24,804,000,000 | 0.57% | 0.00% |
| July 1, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 6194 | $152.16 | 4,632,642.0000 | 24,804,000,000 | 0.13% | 0.00% |
| July 1, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 14391 | $153.07 | 4,618,251.0000 | 24,804,000,000 | 0.31% | 0.00% |
| June 30, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 3930 | $158.11 | 4,638,836.0000 | 24,804,000,000 | 0.08% | 0.00% |
| July 1, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 3590 | $153.98 | 4,614,661.0000 | 24,804,000,000 | 0.08% | 0.00% |
| July 1, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 3224 | $155.03 | 4,611,437.0000 | 24,804,000,000 | 0.07% | 0.00% |
| July 1, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 22318 | $156.14 | 4,589,119.0000 | 24,804,000,000 | 0.48% | 0.00% |
| July 1, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 2023 | $156.83 | 4,587,096.0000 | 24,804,000,000 | 0.04% | 0.00% |
| June 30, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 20463 | $156.71 | 4,669,285.0000 | 24,804,000,000 | 0.44% | 0.00% |
| June 26, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | A | Common Stock | 1799 | $0.00 | 4,689,748.0000 | 24,804,000,000 | 0.04% | 0.00% |
| June 26, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 13561 | $154.69 | 4,776,823.0000 | 24,804,000,000 | 0.28% | 0.00% |
| June 25, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 6892 | $149.97 | 4,836,266.0000 | 24,804,000,000 | 0.14% | 0.00% |
| June 25, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 10967 | $151.16 | 4,825,299.0000 | 24,804,000,000 | 0.23% | 0.00% |
| June 25, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 28055 | $151.89 | 4,797,244.0000 | 24,804,000,000 | 0.58% | 0.00% |
| June 25, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 6860 | $152.69 | 4,790,384.0000 | 24,804,000,000 | 0.14% | 0.00% |
| June 26, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 27941 | $155.58 | 4,748,882.0000 | 24,804,000,000 | 0.58% | 0.00% |
| June 26, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 9953 | $156.25 | 4,738,929.0000 | 24,804,000,000 | 0.21% | 0.00% |
| June 27, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 14355 | $155.97 | 4,724,574.0000 | 24,804,000,000 | 0.30% | 0.00% |
| June 27, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 18411 | $156.74 | 4,706,163.0000 | 24,804,000,000 | 0.39% | 0.00% |
| June 27, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 13013 | $157.62 | 4,693,150.0000 | 24,804,000,000 | 0.28% | 0.00% |
| June 27, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 5201 | $158.43 | 4,687,949.0000 | 24,804,000,000 | 0.11% | 0.00% |
| June 20, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 8674 | $143.23 | 4,999,914.0000 | 24,804,000,000 | 0.17% | 0.00% |
| June 20, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 20921 | $145.36 | 4,961,149.0000 | 24,804,000,000 | 0.42% | 0.00% |
| June 20, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 7843 | $145.86 | 4,953,306.0000 | 24,804,000,000 | 0.16% | 0.00% |
| June 23, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 9956 | $142.95 | 4,943,350.0000 | 24,804,000,000 | 0.20% | 0.00% |
| June 23, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 45725 | $143.83 | 4,897,625.0000 | 24,804,000,000 | 0.92% | 0.00% |
| June 24, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 12834 | $146.30 | 4,884,791.0000 | 24,804,000,000 | 0.26% | 0.00% |
| June 24, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 40781 | $147.04 | 4,844,010.0000 | 24,804,000,000 | 0.83% | 0.00% |
| June 24, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 852 | $147.77 | 4,843,158.0000 | 24,804,000,000 | 0.02% | 0.00% |
| June 20, 2025 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 17844 | $144.16 | 4,982,070.0000 | 24,804,000,000 | 0.36% | 0.00% |
| May 14, 2025 | Tenable Holdings, Inc. | $TENB | SEAWELL A BROOKE | Director | M | Restricted Stock Units | 4607 | $0.00 | 0.0000 | 118,789,000 | 100.00% | 0.00% |
| May 14, 2025 | Tenable Holdings, Inc. | $TENB | SEAWELL A BROOKE | Director | M | Common Stock | 4607 | $0.00 | 43,852.0000 | 118,789,000 | 11.74% | 0.00% |
| May 14, 2025 | Tenable Holdings, Inc. | $TENB | SEAWELL A BROOKE | Director | A | Restricted Stock Units | 6062 | $0.00 | 6,062.0000 | 118,789,000 | 9999.99% | 0.01% |
| Feb. 24, 2025 | Tenable Holdings, Inc. | $TENB | SEAWELL A BROOKE | Director | G | Employee Stock Option (right to buy) | 115000 | $0.00 | 115,000.0000 | 118,789,000 | 9999.99% | 0.10% |
| June 27, 2024 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | A | Common Stock | 2088 | $0.00 | 5,008,588.0000 | 24,940,000,000 | 0.04% | 0.00% |
| May 28, 2024 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 1438 | $1117.72 | 500,650.0000 | 24,940,000,000 | 0.29% | 0.00% |
| May 22, 2024 | Tenable Holdings, Inc. | $TENB | SEAWELL A BROOKE | Director | M | Common Stock | 5201 | $0.00 | 39,245.0000 | 115,408,000 | 15.28% | 0.00% |
| May 22, 2024 | Tenable Holdings, Inc. | $TENB | SEAWELL A BROOKE | Director | A | Restricted Stock Units | 4607 | $0.00 | 4,607.0000 | 115,408,000 | 9999.99% | 0.00% |
| May 22, 2024 | Tenable Holdings, Inc. | $TENB | SEAWELL A BROOKE | Director | M | Restricted Stock Units | 5201 | $0.00 | 0.0000 | 115,408,000 | 100.00% | 0.00% |
| Feb. 9, 2024 | Tenable Holdings, Inc. | $TENB | SEAWELL A BROOKE | Director | S | Common Stock | 4962 | $51.12 | 34,044.0000 | 115,408,000 | 12.72% | 0.00% |
| June 23, 2023 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | A | Common Stock | 650 | $0.00 | 502,088.0000 | 25,070,000,000 | 0.13% | 0.00% |
| June 14, 2023 | NVIDIA CORP | $NVDA | SEAWELL A BROOKE | Director | S | Common Stock | 860 | $424.69 | 501,438.0000 | 25,070,000,000 | 0.17% | 0.00% |
| May 24, 2023 | Tenable Holdings, Inc. | $TENB | SEAWELL A BROOKE | Director | A | Restricted Stock Units | 5201 | $0.00 | 5,201.0000 | 111,321,000 | 9999.99% | 0.00% |
| May 24, 2023 | Tenable Holdings, Inc. | $TENB | SEAWELL A BROOKE | Director | M | Restricted Stock Units | 4044 | $0.00 | 0.0000 | 111,321,000 | 100.00% | 0.00% |
| May 24, 2023 | Tenable Holdings, Inc. | $TENB | SEAWELL A BROOKE | Director | M | Common Stock | 4044 | $0.00 | 39,006.0000 | 111,321,000 | 11.57% | 0.00% |