Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 1 year
- Director since
- 2025
1 year of board service in total across 1 board, counting each seat separately. Longest: Ambiq Micro Inc., 1 year.
Ambiq Micro Inc.
Director
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Ambiq Micro Inc. June 8, 202683.1%
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 |
|---|---|---|---|---|---|
| Sep 11, 2026 | Ambiq Micro Inc. | Open-market sale | −9,100 | $63.39 | $576,849 |
| Sep 11, 2026 | Ambiq Micro Inc. | Open-market sale | −900 | $63.95 | $57,555 |
| Sep 4, 2026 | Ambiq Micro Inc. | Option exercise | +1,785 | $5.88 | $10,496 |
| Sep 4, 2026 | Ambiq Micro Inc. | Open-market sale | −185 | $56.92 | $10,530 |
| Jun 8, 2026 | Ambiq Micro Inc. | Grant or award | +4,957 | — | — |
| Jul 29, 2025 | Ambiq Micro Inc. | Grant or award | +23,809 | — | — |
Questions about Ker Zhang
What boards is Ker Zhang on?
Ker Zhang sits on the board of Ambiq Micro Inc.
How long has Ker Zhang served on boards?
Our records show at least 1 year of board service across 1 board, the earliest from 2025.
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