A. Brooke Seawell
Known title: DirectorCIK: 0001197652
Associated companies
Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 10, 2026
Tenable Boosts AI Security, Credit Rating, Board, Shares Rise. Tenable has announced the use of OpenAI GPT models in its CyberAgents platform, expanding automated security reviews. The company also received a BB+ credit rating upgrade from S&P before withdrawing the request. Charlie Bell joined the board, adding experience from the cybersecurity industry. These developments coincided with a sharp rise in Tenable shares.
Transaction History
| NVDA | ▲ Buy | Grant | 1,211 | $0 | 6/25/2026 | View on chart |
| TENB | ▲ Buy | Option Exercise | 6,062 | $0 | 5/13/2026 | View on chart |
| NVDA | ▼ Sell | Gift | 530 | $0 | 3/17/2026 | View on chart |
| TENB | ▲ Buy | Option Exercise | 115,000 | $1.1M | 12/15/2025 | View on chart |
| TENB | ▼ Sell | Open Market | 115,000 | $2.9M | 12/15/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 12,728 | $2.3M | 12/2/2025 | View on chart |
| NVDA | ▼ Sell | Gift | 520,000 | $0 | 11/24/2025 | View on chart |
| TENB | ▼ Sell | Open Market | 15,000 | $462K | 9/9/2025 | View on chart |
| TENB | ▼ Sell | Open Market | 4,622 | $139K | 9/4/2025 | View on chart |
| NVDA | ▼ Sell | Gift | 1,200,000 | $0 | 8/29/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 5,984 | $973K | 7/14/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 16,326 | $2.7M | 7/14/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 22,798 | $3.7M | 7/14/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 3,684 | $608K | 7/14/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 2,562 | $421K | 7/11/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 13,979 | $2.3M | 7/11/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 850 | $143K | 7/11/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 8,883 | $1.5M | 7/11/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 21,838 | $3.6M | 7/11/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 5,506 | $902K | 7/10/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 22,292 | $3.6M | 7/10/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 21,333 | $3.5M | 7/10/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 850 | $140K | 7/9/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 28,199 | $4.6M | 7/9/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 19,922 | $3.2M | 7/9/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 49,595 | $7.9M | 7/8/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 705 | $113K | 7/8/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 25,738 | $4.1M | 7/7/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 24,776 | $3.9M | 7/7/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 4,180 | $643K | 7/2/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 16,042 | $2.5M | 7/2/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 9,379 | $1.5M | 7/2/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 19,128 | $3.0M | 7/2/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 2,682 | $422K | 7/2/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 6,194 | $943K | 7/1/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 14,391 | $2.2M | 7/1/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 3,590 | $553K | 7/1/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 3,224 | $500K | 7/1/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 22,318 | $3.5M | 7/1/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 2,023 | $317K | 7/1/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 20,463 | $3.2M | 6/30/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 26,519 | $4.2M | 6/30/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 3,930 | $621K | 6/30/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 14,355 | $2.2M | 6/27/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 13,013 | $2.1M | 6/27/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 18,411 | $2.9M | 6/27/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 5,201 | $824K | 6/27/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 13,561 | $2.1M | 6/26/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 27,941 | $4.3M | 6/26/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 9,953 | $1.6M | 6/26/2025 | View on chart |
| NVDA | ▲ Buy | Grant | 1,799 | $0 | 6/26/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 28,055 | $4.3M | 6/25/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 6,860 | $1.0M | 6/25/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 10,967 | $1.7M | 6/25/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 6,892 | $1.0M | 6/25/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 12,834 | $1.9M | 6/24/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 40,781 | $6.0M | 6/24/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 852 | $126K | 6/24/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 9,956 | $1.4M | 6/23/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 45,725 | $6.6M | 6/23/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 17,844 | $2.6M | 6/20/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 20,921 | $3.0M | 6/20/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 7,843 | $1.1M | 6/20/2025 | View on chart |
| NVDA | ▼ Sell | Open Market | 8,674 | $1.2M | 6/20/2025 | View on chart |
| TENB | ▲ Buy | Option Exercise | 4,607 | $0 | 5/14/2025 | View on chart |
| NVDA | ▲ Buy | Grant | 2,088 | $0 | 6/27/2024 | View on chart |
| NVDA | ▼ Sell | Open Market | 1,438 | $1.6M | 5/28/2024 | View on chart |
| TENB | ▲ Buy | Option Exercise | 5,201 | $0 | 5/22/2024 | View on chart |
| TENB | ▼ Sell | Open Market | 4,962 | $254K | 2/9/2024 | View on chart |
| NVDA | ▲ Buy | Grant | 650 | $0 | 6/23/2023 | View on chart |
| NVDA | ▼ Sell | Open Market | 860 | $365K | 6/14/2023 | View on chart |
| TENB | ▲ Buy | Option Exercise | 4,044 | $0 | 5/24/2023 | View on chart |
| NVDA | ▲ Buy | Grant | 1,438 | $0 | 6/3/2022 | View on chart |
| TENB | ▲ Buy | Option Exercise | 4,962 | $0 | 5/25/2022 | View on chart |
| NVDA | ▼ Sell | Open Market | 856 | $282K | 11/19/2021 | View on chart |
| NVDA | ▼ Sell | Open Market | 7,702 | $1.7M | 9/1/2021 | View on chart |
| NVDA | ▼ Sell | Open Market | 12,298 | $2.8M | 9/1/2021 | View on chart |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 16, 2026
Nvidia Featured in AI Supply Chain Bottleneck and Competitor Reports
Recent reports note that Apple has become the top‑performing member of the Magnificent 7, outpacing Nvidia in 2026 returns. Another article points to a non‑Nvidia equipment supplier as the primary bottleneck in AI chip production, highlighting supply‑chain constraints that could affect the broader AI hardware market. These developments suggest heightened competitive pressure and potential supply challenges for Nvidia's AI chip business.
Nvidia Featured in AI Supply Chain Bottleneck and Competitor Reports. Recent reports note that Apple has become the top‑performing member of the Magnificent 7, outpacing Nvidia in 2026 returns. Another article points to a non‑Nvidia equipment supplier as the primary bottleneck in AI chip production, highlighting supply‑chain constraints that could affect the broader AI hardware market. These developments suggest heightened competitive pressure and potential supply challenges for Nvidia's AI chip business.