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.
- Charles C. ChangBRK.B
- Charlotte GuymanBRK.B
- Gregory E. AbelBRK.B
- Michael J. O'SullivanBRK.B
- Warren E. BuffettBRK.B
Open-market trades
Purchases and sales reported on Form 4 at S&P 500 companies.
| Date | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 28, 2026 | BRK.B | Sale | 39,700 | $503.09 | $20.0M |
| Sep 26, 2025 | BRK.B | Sale | 15,000 | — | — |
| Aug 8, 2025 | BRK.B | Sale | 2,000 | $464.73 | $929K |
| Aug 8, 2023 | BRK.B | Sale | 28,000 | $362.55 | $10.2M |
| Mar 2, 2023 | BRK.B | Sale | 6,595 | $303.28 | $2.0M |
| Nov 29, 2022 | BRK.B | Sale | 4,020 | $313.40 | $1.3M |
| Sep 1, 2022 | BRK.B | Sale | 2,500 | $280.41 | $701K |
| Jul 28, 2022 | BRK.B | Sale | 3,420 | $293.17 | $1.0M |
| Jun 24, 2022 | BRK.B | Sale | 1,200 | $277.72 | $333K |
| Oct 29, 2021 | BRK.B | Sale | 7,200 | $287.54 | $2.1M |
| May 4, 2021 | BRK.B | Sale | 7,852 | $278.19 | $2.2M |
| Sep 30, 2020 | BRK.B | Sale | 7,000 | $213.00 | $1.5M |
| Jul 1, 2020 | BRK.B | Sale | 5,600 | $177.74 | $995K |
| Nov 7, 2018 | BRK.B | Sale | 5,700 | $219.69 | $1.3M |
| May 10, 2018 | BRK.B | Buy | 6,000 | $199.82 | $1.2M |
SEC reporting-owner ID (CIK) 1728451 · all filings on EDGAR