SEAWELL A BROOKE (CIK 1197652) reported 64 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-05-15). Recent activity: Buy TENB (6,062 shares), Sell NVDA (530 shares), Buy TENB (115,000 shares), Sell TENB (115,000 shares), Sell NVDA (12,728 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-15 | Tenable Holdings, Inc. (TENB) | Director | Buy | 6,062 | $0 |
| 2026-03-19 | NVIDIA CORP (NVDA) | Director | Sell | 530 | $0 |
| 2025-12-17 | Tenable Holdings, Inc. (TENB) | Director | Buy | 115,000 | $1.1M |
| 2025-12-17 | Tenable Holdings, Inc. (TENB) | Director | Sell | 115,000 | $2.9M |
| 2025-12-04 | NVIDIA CORP (NVDA) | Director | Sell | 12,728 | $2.3M |
| 2025-11-26 | NVIDIA CORP (NVDA) | Director | Sell | 520,000 | $0 |
| 2025-09-11 | Tenable Holdings, Inc. (TENB) | Director | Sell | 15,000 | $462,000 |
| 2025-09-08 | Tenable Holdings, Inc. (TENB) | Director | Sell | 4,622 | $139,215 |
| 2025-09-03 | NVIDIA CORP (NVDA) | Director | Sell | 1.2M | $0 |
| 2025-07-15 | NVIDIA CORP (NVDA) | Director | Sell | 13,979 | $2.3M |
| 2025-07-15 | NVIDIA CORP (NVDA) | Director | Sell | 8,883 | $1.5M |
| 2025-07-15 | NVIDIA CORP (NVDA) | Director | Sell | 21,838 | $3.6M |
| 2025-07-15 | NVIDIA CORP (NVDA) | Director | Sell | 2,562 | $420,706 |
| 2025-07-15 | NVIDIA CORP (NVDA) | Director | Sell | 850 | $142,622 |
| 2025-07-15 | NVIDIA CORP (NVDA) | Director | Sell | 5,984 | $973,417 |
| 2025-07-15 | NVIDIA CORP (NVDA) | Director | Sell | 22,798 | $3.7M |
| 2025-07-15 | NVIDIA CORP (NVDA) | Director | Sell | 16,326 | $2.7M |
| 2025-07-15 | NVIDIA CORP (NVDA) | Director | Sell | 3,684 | $608,376 |
| 2025-07-10 | NVIDIA CORP (NVDA) | Director | Sell | 49,595 | $7.9M |
| 2025-07-10 | NVIDIA CORP (NVDA) | Director | Sell | 705 | $112,518 |
| 2025-07-10 | NVIDIA CORP (NVDA) | Director | Sell | 19,922 | $3.2M |
| 2025-07-10 | NVIDIA CORP (NVDA) | Director | Sell | 28,199 | $4.6M |
| 2025-07-10 | NVIDIA CORP (NVDA) | Director | Sell | 850 | $139,655 |
| 2025-07-10 | NVIDIA CORP (NVDA) | Director | Sell | 22,292 | $3.6M |
| 2025-07-10 | NVIDIA CORP (NVDA) | Director | Sell | 21,333 | $3.5M |
Source: SEC Form 4 filings · as of 2026-05-15