SEAWELL A BROOKE

Director · NVDA, TENB

As of 2026-09-16, SEAWELL A BROOKE has 71 Form 4 transactions on record across 2 companies — 10 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $2.0MIndirect: $0$2.0Mas of 2026-09-16
  • Direct $2.0M
  • Indirect $0
NVDAdirect7,818 sh$1.7M
TENBdirect9,718 sh$353K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

NVDA · 59 trades
2026-06-25: Award / grant, 1,211 sh ($0)2026-03-17: Gift, 530 sh ($0)2025-12-02: Sale, 12,728 sh ($2.3M)2025-11-24: Gift, 520,000 sh ($0)2025-08-29: Gift, 1,200,000 sh ($0)2025-07-14: Sale, 22,798 sh ($3.7M)2025-07-14: Sale, 16,326 sh ($2.7M)2025-07-14: Sale, 5,984 sh ($973K)2025-07-14: Sale, 3,684 sh ($608K)2025-07-11: Sale, 21,838 sh ($3.6M)2025-07-11: Sale, 13,979 sh ($2.3M)2025-07-11: Sale, 8,883 sh ($1.5M)2025-07-11: Sale, 2,562 sh ($421K)2025-07-11: Sale, 850 sh ($143K)2025-07-10: Sale, 22,292 sh ($3.6M)2025-07-10: Sale, 21,333 sh ($3.5M)2025-07-10: Sale, 5,506 sh ($902K)2025-07-09: Sale, 28,199 sh ($4.6M)2025-07-09: Sale, 19,922 sh ($3.2M)2025-07-09: Sale, 850 sh ($140K)2025-07-08: Sale, 49,595 sh ($7.9M)2025-07-08: Sale, 705 sh ($113K)2025-07-07: Sale, 25,738 sh ($4.1M)2025-07-07: Sale, 24,776 sh ($3.9M)2025-07-02: Sale, 19,128 sh ($3.0M)2025-07-02: Sale, 16,042 sh ($2.5M)2025-07-02: Sale, 9,379 sh ($1.5M)2025-07-02: Sale, 4,180 sh ($643K)2025-07-02: Sale, 2,682 sh ($422K)2025-07-01: Sale, 22,318 sh ($3.5M)2025-07-01: Sale, 14,391 sh ($2.2M)2025-07-01: Sale, 6,194 sh ($943K)2025-07-01: Sale, 3,590 sh ($553K)2025-07-01: Sale, 3,224 sh ($500K)2025-07-01: Sale, 2,023 sh ($317K)2025-06-30: Sale, 26,519 sh ($4.2M)2025-06-30: Sale, 20,463 sh ($3.2M)2025-06-30: Sale, 3,930 sh ($621K)2025-06-27: Sale, 18,411 sh ($2.9M)2025-06-27: Sale, 14,355 sh ($2.2M)2025-06-27: Sale, 13,013 sh ($2.1M)2025-06-27: Sale, 5,201 sh ($824K)2025-06-26: Sale, 27,941 sh ($4.3M)2025-06-26: Sale, 13,561 sh ($2.1M)2025-06-26: Sale, 9,953 sh ($1.6M)2025-06-26: Award / grant, 1,799 sh ($0)2025-06-25: Sale, 28,055 sh ($4.3M)2025-06-25: Sale, 10,967 sh ($1.7M)2025-06-25: Sale, 6,860 sh ($1.0M)2025-06-25: Sale, 6,892 sh ($1.0M)2025-06-24: Sale, 40,781 sh ($6.0M)2025-06-24: Sale, 12,834 sh ($1.9M)2025-06-24: Sale, 852 sh ($126K)2025-06-23: Sale, 45,725 sh ($6.6M)2025-06-23: Sale, 9,956 sh ($1.4M)2025-06-20: Sale, 20,921 sh ($3.0M)2025-06-20: Sale, 17,844 sh ($2.6M)2025-06-20: Sale, 8,674 sh ($1.2M)2025-06-20: Sale, 7,843 sh ($1.1M)
TENB · 12 trades
2026-05-13: Award / grant, 9,718 sh ($0)2026-05-13: Option exercise, 6,062 sh ($0)2026-05-13: Option exercise, 6,062 sh ($0)2025-12-15: Sale, 115,000 sh ($2.9M)2025-12-15: Option exercise, 115,000 sh ($1.1M)2025-12-15: Option exercise, 115,000 sh ($0)2025-09-09: Sale, 15,000 sh ($462K)2025-09-04: Sale, 4,622 sh ($139K)2025-05-14: Option exercise, 4,607 sh ($0)2025-05-14: Award / grant, 6,062 sh ($0)2025-05-14: Option exercise, 4,607 sh ($0)2025-02-24: Gift, 115,000 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2025-12-15TENBSale115,000 @ $24.82$2.9M−100.0% of holding0Form 4
2025-12-02NVDASale12,728 @ $183.93$2.3M−100.0% of holding0Form 4
2025-09-09TENBSale15,000 @ $30.80$462K−100.0% of holding0Form 4
2025-09-04TENBSale4,622 @ $30.12$139K−23.6% of holding15,000Form 4
2025-07-14NVDASale22,798 @ $163.63$3.7M−1.3% of holding1,749,488Form 4
2025-07-14NVDASale16,326 @ $164.62$2.7M−0.9% of holding1,733,162Form 4
2025-07-14NVDASale5,984 @ $162.67$973K−0.3% of holding1,772,286Form 4
2025-07-14NVDASale3,684 @ $165.14$608K−0.2% of holding1,729,478Form 4
2025-07-11NVDASale21,838 @ $166.33$3.6M−1.2% of holding1,793,099Form 4
2025-07-11NVDASale13,979 @ $167.19$2.3M−0.8% of holding1,779,120Form 4
2025-07-11NVDASale8,883 @ $165.16$1.5M−0.5% of holding1,814,937Form 4
2025-07-11NVDASale2,562 @ $164.21$421K−0.1% of holding1,823,820Form 4
2025-07-11NVDASale850 @ $167.79$143K−0.0% of holding1,778,270Form 4
2025-07-10NVDASale22,292 @ $162.32$3.6M−1.2% of holding1,853,221Form 4
2025-07-10NVDASale21,333 @ $163.08$3.5M−1.2% of holding1,831,888Form 4
2025-07-10NVDASale5,506 @ $163.91$902K−0.3% of holding1,826,382Form 4
2025-07-09NVDASale28,199 @ $163.62$4.6M−1.5% of holding1,876,363Form 4
2025-07-09NVDASale19,922 @ $162.96$3.2M−1.0% of holding1,904,562Form 4
2025-07-09NVDASale850 @ $164.30$140K−0.0% of holding1,875,513Form 4
2025-07-08NVDASale49,595 @ $159.04$7.9M−2.5% of holding1,925,189Form 4
2025-07-08NVDASale705 @ $159.60$113K−0.0% of holding1,924,484Form 4
2025-07-07NVDASale25,738 @ $158.06$4.1M−1.3% of holding1,999,560Form 4
2025-07-07NVDASale24,776 @ $158.69$3.9M−1.2% of holding1,974,784Form 4
2025-07-02NVDASale19,128 @ $156.57$3.0M−0.9% of holding2,027,980Form 4
2025-07-02NVDASale16,042 @ $154.61$2.5M−0.8% of holding2,056,487Form 4
2025-07-02NVDASale9,379 @ $155.62$1.5M−0.5% of holding2,047,108Form 4
2025-07-02NVDASale4,180 @ $153.88$643K−0.2% of holding2,072,529Form 4
2025-07-02NVDASale2,682 @ $157.35$422K−0.1% of holding2,025,298Form 4
2025-07-01NVDASale22,318 @ $156.14$3.5M−1.4% of holding1,578,732Form 4
2025-07-01NVDASale14,391 @ $153.07$2.2M−0.9% of holding1,607,864Form 4
2025-07-01NVDASale6,194 @ $152.16$943K−0.4% of holding1,622,255Form 4
2025-07-01NVDASale3,590 @ $153.98$553K−0.2% of holding1,604,274Form 4
2025-07-01NVDASale3,224 @ $155.03$500K−0.2% of holding1,601,050Form 4
2025-07-01NVDASale2,023 @ $156.83$317K−0.1% of holding1,576,709Form 4
2025-06-30NVDASale26,519 @ $157.32$4.2M−1.6% of holding1,632,379Form 4
2025-06-30NVDASale20,463 @ $156.71$3.2M−1.2% of holding1,658,898Form 4
2025-06-30NVDASale3,930 @ $158.11$621K−0.2% of holding1,628,449Form 4
2025-06-27NVDASale18,411 @ $156.74$2.9M−1.1% of holding1,697,575Form 4
2025-06-27NVDASale14,355 @ $155.97$2.2M−0.8% of holding1,715,986Form 4
2025-06-27NVDASale13,013 @ $157.62$2.1M−0.8% of holding1,684,562Form 4
2025-06-27NVDASale5,201 @ $158.43$824K−0.3% of holding1,679,361Form 4
2025-06-26NVDASale27,941 @ $155.58$4.3M−1.6% of holding1,740,294Form 4
2025-06-26NVDASale13,561 @ $154.69$2.1M−0.8% of holding1,768,235Form 4
2025-06-26NVDASale9,953 @ $156.25$1.6M−0.6% of holding1,730,341Form 4
2025-06-25NVDASale28,055 @ $151.89$4.3M−1.5% of holding1,788,656Form 4
2025-06-25NVDASale10,967 @ $151.16$1.7M−0.6% of holding1,816,711Form 4
2025-06-25NVDASale6,860 @ $152.69$1.0M−0.4% of holding1,781,796Form 4
2025-06-25NVDASale6,892 @ $149.97$1.0M−0.4% of holding1,827,678Form 4
2025-06-24NVDASale40,781 @ $147.04$6.0M−2.2% of holding1,835,422Form 4
2025-06-24NVDASale12,834 @ $146.30$1.9M−0.7% of holding1,876,203Form 4
2025-06-24NVDASale852 @ $147.77$126K−0.0% of holding1,834,570Form 4
2025-06-23NVDASale45,725 @ $143.83$6.6M−2.4% of holding1,889,037Form 4
2025-06-23NVDASale9,956 @ $142.95$1.4M−0.5% of holding1,934,762Form 4
2025-06-20NVDASale20,921 @ $145.36$3.0M−1.1% of holding1,952,561Form 4
2025-06-20NVDASale17,844 @ $144.16$2.6M−0.9% of holding1,973,482Form 4
2025-06-20NVDASale8,674 @ $143.23$1.2M−0.4% of holding1,991,326Form 4
2025-06-20NVDASale7,843 @ $145.86$1.1M−0.4% of holding1,944,718Form 4
14 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-06-25NVDAAward / grant1,2117,818Form 4
2026-05-13TENBAward / grant9,7189,718Form 4
2026-05-13TENBOption exercise6,0620Form 4
2026-05-13TENBOption exercise6,06215,292Form 4
2026-03-17NVDAGift5306,607Form 4
2025-12-15TENBOption exercise115,000115,000Form 4
2025-12-15TENBOption exercise115,0000Form 4
2025-11-24NVDAGift520,00012,728Form 4
2025-08-29NVDAGift1,200,000532,728Form 4
2025-06-26NVDAAward / grant1,79910,387Form 4
2025-05-14TENBOption exercise4,60713,852Form 4
2025-05-14TENBAward / grant6,0626,062Form 4
2025-05-14TENBOption exercise4,6070Form 4
2025-02-24TENBGift115,000115,000Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.