A. Brooke Seawell

CIK: 0001197652

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)57 (83.8%)

Position reduction

Option Exercises (M)3 (4.4%)

Derivative conversions

Awards (A)4 (5.9%)

Compensation grants

Other (G, F, J, C, D, …)4 (5.9%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (2)

NVDA

NVIDIA CORP

Director

TENB

Tenable Holdings, Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (68 total)

NVDA
NVIDIA CORP
Jun 25, 2026
Award(A)
Direct
1.2K shares-
TENB
Tenable Holdings, Inc.
May 13, 2026
Award(A)
Restricted Stock Units
Direct
9.7K shares-
TENB
Tenable Holdings, Inc.
May 13, 2026
Exercise(M)
Direct
6.1K shares-
NVDA
NVIDIA CORP
Mar 17, 2026
Gift(G)
Direct
530 shares-
TENB
Tenable Holdings, Inc.
Dec 15, 2025
Exercise(M)
Indirect
115K shares at avg. $9.66$1.1M
TENB
Tenable Holdings, Inc.
Dec 15, 2025
Sale(S)
Indirect
115K shares at avg. $24.82$2.9M
NVDA
NVIDIA CORP
Dec 2, 2025
Sale(S)
Indirect
12.7K shares at avg. $183.93$2.3M
NVDA
NVIDIA CORP
Nov 24, 2025
Gift(G)
Indirect
520K shares-
TENB
Tenable Holdings, Inc.
Sep 9, 2025
Sale(S)
Indirect
15K shares at avg. $30.80$462K
TENB
Tenable Holdings, Inc.
Sep 4, 2025
Sale(S)
Indirect
4.6K shares at avg. $30.12$139K
NVDA
NVIDIA CORP
Aug 29, 2025
Gift(G)
Indirect
1.2M shares-
NVDA
NVIDIA CORP
Jul 14, 2025
Sale(S)
Indirect
6K shares at avg. $162.67$973K
NVDA
NVIDIA CORP
Jul 14, 2025
Sale(S)
Indirect
3.7K shares at avg. $165.14$608K
NVDA
NVIDIA CORP
Jul 14, 2025
Sale(S)
Indirect
16.3K shares at avg. $164.62$2.7M
NVDA
NVIDIA CORP
Jul 14, 2025
Sale(S)
Indirect
22.8K shares at avg. $163.63$3.7M
NVDA
NVIDIA CORP
Jul 11, 2025
Sale(S)
Indirect
850 shares at avg. $167.79$143K
NVDA
NVIDIA CORP
Jul 11, 2025
Sale(S)
Indirect
14K shares at avg. $167.19$2.3M
NVDA
NVIDIA CORP
Jul 11, 2025
Sale(S)
Indirect
8.9K shares at avg. $165.16$1.5M
NVDA
NVIDIA CORP
Jul 11, 2025
Sale(S)
Indirect
21.8K shares at avg. $166.33$3.6M
NVDA
NVIDIA CORP
Jul 11, 2025
Sale(S)
Indirect
2.6K shares at avg. $164.21$421K
NVDA
NVIDIA CORP
Jul 10, 2025
Sale(S)
Indirect
22.3K shares at avg. $162.32$3.6M
NVDA
NVIDIA CORP
Jul 10, 2025
Sale(S)
Indirect
21.3K shares at avg. $163.08$3.5M
NVDA
NVIDIA CORP
Jul 10, 2025
Sale(S)
Indirect
5.5K shares at avg. $163.91$902K
NVDA
NVIDIA CORP
Jul 9, 2025
Sale(S)
Indirect
850 shares at avg. $164.30$140K
NVDA
NVIDIA CORP
Jul 9, 2025
Sale(S)
Indirect
28.2K shares at avg. $163.62$4.6M

		Type	Shares	Price		Ownership
Jun 25, 2026	NVDA NVIDIA CORP	Award(A)	1,211	-	$0	Direct
May 13, 2026	TENB Tenable Holdings, Inc.	Award(A) Restricted Stock Units	9,718	-	-	Direct
May 13, 2026	TENB Tenable Holdings, Inc.	Exercise(M)	6,062	-	$0	Direct
Mar 17, 2026	NVDA NVIDIA CORP	Gift(G)	530	-	$0	Direct
Dec 15, 2025	TENB Tenable Holdings, Inc.	Exercise(M)	115,000	$9.66	$1,110,900	Indirect
Dec 15, 2025	TENB Tenable Holdings, Inc.	Sale(S)	115,000	$24.82	$2,854,300	Indirect
Dec 2, 2025	NVDA NVIDIA CORP	Sale(S)	12,728	$183.93	$2,341,117	Indirect
Nov 24, 2025	NVDA NVIDIA CORP	Gift(G)	520,000	-	-	Indirect
Sep 9, 2025	TENB Tenable Holdings, Inc.	Sale(S)	15,000	$30.80	$462,000	Indirect
Sep 4, 2025	TENB Tenable Holdings, Inc.	Sale(S)	4,622	$30.12	$139,215	Indirect
Aug 29, 2025	NVDA NVIDIA CORP	Gift(G)	1,200,000	-	-	Indirect
Jul 14, 2025	NVDA NVIDIA CORP	Sale(S)	5,984	$162.67	$973,423	Indirect
Jul 14, 2025	NVDA NVIDIA CORP	Sale(S)	3,684	$165.14	$608,384	Indirect
Jul 14, 2025	NVDA NVIDIA CORP	Sale(S)	16,326	$164.62	$2,687,632	Indirect
Jul 14, 2025	NVDA NVIDIA CORP	Sale(S)	22,798	$163.63	$3,730,485	Indirect
Jul 11, 2025	NVDA NVIDIA CORP	Sale(S)	850	$167.79	$142,618	Indirect
Jul 11, 2025	NVDA NVIDIA CORP	Sale(S)	13,979	$167.19	$2,337,145	Indirect
Jul 11, 2025	NVDA NVIDIA CORP	Sale(S)	8,883	$165.16	$1,467,147	Indirect
Jul 11, 2025	NVDA NVIDIA CORP	Sale(S)	21,838	$166.33	$3,632,358	Indirect
Jul 11, 2025	NVDA NVIDIA CORP	Sale(S)	2,562	$164.21	$420,714	Indirect
Jul 10, 2025	NVDA NVIDIA CORP	Sale(S)	22,292	$162.32	$3,618,422	Indirect
Jul 10, 2025	NVDA NVIDIA CORP	Sale(S)	21,333	$163.08	$3,478,962	Indirect
Jul 10, 2025	NVDA NVIDIA CORP	Sale(S)	5,506	$163.91	$902,484	Indirect
Jul 9, 2025	NVDA NVIDIA CORP	Sale(S)	850	$164.30	$139,653	Indirect
Jul 9, 2025	NVDA NVIDIA CORP	Sale(S)	28,199	$163.62	$4,613,816	Indirect

1-25 of 68 transactions

About SEAWELL A BROOKE

SEAWELL A BROOKE (SEC CIK 0001197652) files insider reports with the SEC as Director of NVIDIA CORP (NVDA) and Director of Tenable Holdings, Inc. (TENB).

Signal8 holds 18 ownership filings by SEAWELL A BROOKE, all Form 4s, filed between Feb 26, 2025 and Jun 29, 2026. Those filings report 68 transactions, from Feb 24, 2025 to Jun 25, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on SEAWELL A BROOKE's filings is in SANTA CLARA, CA.

Recent filings by SEAWELL A BROOKE

Jun 25, 2026: Grant or award of NVDA shares (Form 4, code A).
May 13, 2026: Grant or award of TENB derivative securities (Form 4, code A).
May 13, 2026: Option exercise of TENB shares (Form 4, code M).
Mar 17, 2026: Gift of NVDA shares (Form 4, code G).
Dec 15, 2025: Option exercise of TENB shares (Form 4, code M).

Other insiders filing for NVIDIA CORP (NVDA)

Parker Nicholas P., EVP, Worldwide Field Ops
COXE TENCH, Director
Teter Timothy S., EVP, General Counsel and Sec
STEVENS MARK A, Director
GAWEL SCOTT, Principal Accounting Officer
Shoquist Debora, EVP, Operations

How to read Form 4 transaction codes