Current roles
From Section 16 filings (Forms 3, 4 and 5) in the last 13 months.
Past roles
“Last filing” is the latest Form 3/4/5 for that company, an upper bound on the end date.
None on record since 2016.
Sits alongside
People who currently share a board or management team with this person.
- Alexander R. BradleySNDK
- Bernard ShekSNDK
- David GoeckelerSNDK
- Devinder KumarSNDK
- Ellyn ShookSNDK
- Luis Felipe VisosoSNDK
- Michael PokornySNDK
- Miyuki SuzukiSNDK
- Necip SayinerSNDK
- Richard B. Cassidy IISNDK
- Thomas CaulfieldSNDK
Open-market trades
Purchases and sales reported on Form 4 at S&P 500 companies.
| Date | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 3, 2026 | SNDK | Sale | 200 | $1,563.68 | $313K |
| Sep 3, 2026 | SNDK | Sale | 40 | $1,564.40 | $63K |
| Sep 3, 2026 | SNDK | Sale | 120 | $1,561.69 | $187K |
| Sep 3, 2026 | SNDK | Sale | 40 | $1,571.04 | $63K |
| Sep 3, 2026 | SNDK | Sale | 78 | $1,555.57 | $121K |
| Sep 3, 2026 | SNDK | Sale | 40 | $1,554.02 | $62K |
| Sep 3, 2026 | SNDK | Sale | 40 | $1,558.90 | $62K |
| Sep 3, 2026 | SNDK | Sale | 40 | $1,513.23 | $61K |
| Sep 3, 2026 | SNDK | Sale | 80 | $1,515.05 | $121K |
| Sep 3, 2026 | SNDK | Sale | 52 | $1,517.68 | $79K |
| Sep 3, 2026 | SNDK | Sale | 68 | $1,519.23 | $103K |
| Sep 3, 2026 | SNDK | Sale | 80 | $1,520.93 | $122K |
| Sep 3, 2026 | SNDK | Sale | 40 | $1,522.10 | $61K |
| Sep 3, 2026 | SNDK | Sale | 80 | $1,523.61 | $122K |
| Sep 3, 2026 | SNDK | Sale | 80 | $1,526.81 | $122K |
| Sep 3, 2026 | SNDK | Sale | 40 | $1,527.58 | $61K |
| Sep 3, 2026 | SNDK | Sale | 80 | $1,529.71 | $122K |
| Sep 3, 2026 | SNDK | Sale | 80 | $1,530.52 | $122K |
| Sep 3, 2026 | SNDK | Sale | 40 | $1,532.02 | $61K |
| Sep 3, 2026 | SNDK | Sale | 120 | $1,533.69 | $184K |
| Sep 3, 2026 | SNDK | Sale | 80 | $1,534.48 | $123K |
| Sep 3, 2026 | SNDK | Sale | 80 | $1,535.66 | $123K |
| Sep 3, 2026 | SNDK | Sale | 160 | $1,537.49 | $246K |
| Sep 3, 2026 | SNDK | Sale | 80 | $1,538.41 | $123K |
| Sep 3, 2026 | SNDK | Sale | 80 | $1,539.61 | $123K |
| Sep 3, 2026 | SNDK | Sale | 80 | $1,541.01 | $123K |
| Sep 3, 2026 | SNDK | Sale | 80 | $1,542.68 | $123K |
| Sep 3, 2026 | SNDK | Sale | 2,594 | $1,543.76 | $4.0M |
| Sep 3, 2026 | SNDK | Sale | 80 | $1,546.02 | $124K |
| Sep 3, 2026 | SNDK | Sale | 80 | $1,547.46 | $124K |
| Sep 3, 2026 | SNDK | Sale | 40 | $1,548.85 | $62K |
| Sep 3, 2026 | SNDK | Sale | 40 | $1,550.48 | $62K |
| Sep 3, 2026 | SNDK | Sale | 120 | $1,553.35 | $186K |
| Sep 3, 2026 | SNDK | Sale | 80 | $1,557.79 | $125K |
| Jun 1, 2026 | SNDK | Sale | 999 | $1,755.31 | $1.8M |
| Jun 1, 2026 | SNDK | Sale | 600 | $1,758.40 | $1.1M |
| Jun 1, 2026 | SNDK | Sale | 401 | $1,757.00 | $705K |
SEC reporting-owner ID (CIK) 2059630 · all filings on EDGAR