Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: BlackLine Inc., 3 years.
BlackLine Inc.
Director
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
BlackLine Inc. May 8, 202590.4%
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 5, 2026 | BlackLine Inc. | Open-market sale | −3,000 | $28.48 | $85,440 |
| May 7, 2026 | BlackLine Inc. | Grant or award | +6,416 | — | — |
| Mar 4, 2026 | Freshworks Inc. | Open-market sale | −32,577 | $8.45 | $275,276 |
| Mar 1, 2026 | Freshworks Inc. | Shares withheld for tax | −2,812 | $7.82 | $21,990 |
| Mar 1, 2026 | Freshworks Inc. | Shares withheld for tax | −1,717 | $7.82 | $13,427 |
| Mar 1, 2026 | Freshworks Inc. | Shares withheld for tax | −4,908 | $7.82 | $38,381 |
| Mar 1, 2026 | Freshworks Inc. | Shares withheld for tax | −11,824 | $7.82 | $92,464 |
| Feb 3, 2026 | Freshworks Inc. | Grant or award | +90,140 | — | — |
| Jan 2, 2026 | Freshworks Inc. | Grant or award | +256,244 | — | — |
| Jan 2, 2026 | Freshworks Inc. | Grant or award | +344,827 | — | — |
| Dec 5, 2025 | Freshworks Inc. | Open-market sale | −15,012 | $13.00 | $195,156 |
| Dec 1, 2025 | Freshworks Inc. | Shares withheld for tax | −18,553 | $11.85 | $219,853 |
| Dec 1, 2025 | Freshworks Inc. | Shares withheld for tax | −2,811 | $11.85 | $33,310 |
| Dec 1, 2025 | Freshworks Inc. | Shares withheld for tax | −1,644 | $11.85 | $19,481 |
| Dec 1, 2025 | Freshworks Inc. | Shares withheld for tax | −4,908 | $11.85 | $58,160 |
Questions about Mika Yamamoto
What boards is Mika Yamamoto on?
Mika Yamamoto sits on the board of BlackLine Inc.
How long has Mika Yamamoto served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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