Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 3 years
- Director since
- 2023
3 years of board service in total across 1 board, counting each seat separately. Longest: Lumentum Holdings Inc., 2 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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Lumentum Holdings Inc. November 19, 202599.1%
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Lumentum Holdings Inc. November 20, 202499.3%
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Lumentum Holdings Inc. November 17, 202381.6%
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 2, 2026 | Lumentum Holdings Inc. | Open-market sale | −1,416 | $1,000.08 | $1,416,113 |
| May 29, 2026 | Lumentum Holdings Inc. | Open-market sale | −4,000 | $860.00 | $3,440,000 |
| May 29, 2026 | Lumentum Holdings Inc. | Grant or award | +258 | — | — |
| May 29, 2026 | Lumentum Holdings Inc. | Shares withheld for tax | −125 | $854.96 | $106,870 |
| Apr 30, 2026 | Lumentum Holdings Inc. | Grant or award | +320 | — | — |
| Apr 30, 2026 | Lumentum Holdings Inc. | Shares withheld for tax | −145 | $902.32 | $130,836 |
| Mar 31, 2026 | Lumentum Holdings Inc. | Grant or award | +374 | — | — |
| Mar 31, 2026 | Lumentum Holdings Inc. | Shares withheld for tax | −125 | $702.76 | $87,845 |
| Feb 27, 2026 | Lumentum Holdings Inc. | Grant or award | +611 | — | — |
| Feb 27, 2026 | Lumentum Holdings Inc. | Shares withheld for tax | −220 | $700.91 | $154,200 |
| Jan 30, 2026 | Lumentum Holdings Inc. | Grant or award | +629 | — | — |
| Jan 30, 2026 | Lumentum Holdings Inc. | Shares withheld for tax | −225 | $391.84 | $88,164 |
| Dec 31, 2025 | Lumentum Holdings Inc. | Grant or award | +870 | — | — |
| Dec 31, 2025 | Lumentum Holdings Inc. | Shares withheld for tax | −312 | $368.59 | $115,000 |
| Nov 19, 2025 | Lumentum Holdings Inc. | Grant or award | +1,283 | — | — |
Questions about Isaac Hosojiro Harris
What boards is Isaac Hosojiro Harris on?
Isaac Hosojiro Harris sits on the board of Lumentum Holdings Inc.
How long has Isaac Hosojiro Harris served on boards?
Our records show at least 3 years of board service across 1 board, the earliest from 2023.
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