Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 2 boards, counting each seat separately. Longest: Mastercard Incorporated, 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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Mastercard Incorporated June 16, 202694.9%
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Mastercard Incorporated June 24, 202596.8%
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Mastercard Incorporated June 18, 202499.6%
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Mastercard Incorporated June 27, 202398.7%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Jun 21, 2026 | Mastercard Incorporated | Shares withheld for tax | −98 | $492.45 | $48,260 |
| Jun 16, 2026 | Mastercard Incorporated | Grant or award | +509 | — | — |
| Jun 24, 2025 | Mastercard Incorporated | Grant or award | +458 | — | — |
| Jun 22, 2025 | Mastercard Incorporated | Shares withheld for tax | −86 | $532.84 | $45,824 |
| Jun 18, 2024 | Mastercard Incorporated | Grant or award | +545 | — | — |
| Jun 16, 2024 | Mastercard Incorporated | Shares withheld for tax | −79 | $443.08 | $35,003 |
| Jun 27, 2023 | Mastercard Incorporated | Grant or award | +642 | — | — |
| Jun 25, 2023 | Mastercard Incorporated | Shares withheld for tax | −83 | $377.17 | $31,305 |
Questions about Oki Matsumoto
What boards is Oki Matsumoto on?
Oki Matsumoto sits on the boards of Coincheck Group N.V. and Mastercard Incorporated.
How long has Oki Matsumoto served on boards?
Our records show at least 4 years of board service across 2 boards, the earliest from 2023.
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