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: Amphastar Pharmaceuticals Inc., 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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Amphastar Pharmaceuticals Inc. June 3, 202477.3%
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 | Amphastar Pharmaceuticals Inc. | Shares withheld for tax | −769 | $18.45 | $14,188 |
| Jun 1, 2026 | Amphastar Pharmaceuticals Inc. | Grant or award | +8,143 | — | — |
| Jun 3, 2025 | Amphastar Pharmaceuticals Inc. | Shares withheld for tax | −923 | $26.01 | $24,007 |
| Jun 2, 2025 | Amphastar Pharmaceuticals Inc. | Grant or award | +5,122 | — | — |
| Jun 5, 2024 | Amphastar Pharmaceuticals Inc. | Shares withheld for tax | −579 | $42.04 | $24,341 |
| Jun 3, 2024 | Amphastar Pharmaceuticals Inc. | Grant or award | +3,076 | — | — |
| Jun 10, 2023 | Amphastar Pharmaceuticals Inc. | Shares withheld for tax | −375 | $45.67 | $17,126 |
| Jun 5, 2023 | Amphastar Pharmaceuticals Inc. | Grant or award | +2,716 | — | — |
| Jun 1, 2023 | Amphastar Pharmaceuticals Inc. | Option exercise | +16,679 | $16.69 | $278,373 |
| Jun 1, 2023 | Amphastar Pharmaceuticals Inc. | Open-market sale | −16,679 | $45.02 | $750,889 |
Questions about Howard Lee
What boards is Howard Lee on?
Howard Lee sits on the board of Amphastar Pharmaceuticals Inc.
How long has Howard Lee served on boards?
Our records show at least 3 years of board service across 1 board, the earliest from 2023.
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