Mihael Hristos Polymeropoulos
President and CEO at Vanda Pharmaceuticals Inc.
Sits on 1 board. Last updated September 28, 2026
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: Vanda Pharmaceuticals Inc., 3 years.
Chief executive roles
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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Vanda Pharmaceuticals Inc. May 17, 202479.2%
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 |
|---|---|---|---|---|---|
| Mar 2, 2026 | Vanda Pharmaceuticals Inc. | Open-market sale | −156,235 | $8.17 | $1,276,440 |
| Feb 18, 2026 | Vanda Pharmaceuticals Inc. | Grant or award | +525,000 | — | — |
| Aug 7, 2025 | Vanda Pharmaceuticals Inc. | Open-market purchase | +10,000 | $4.15 | $41,500 |
| May 21, 2025 | Vanda Pharmaceuticals Inc. | Open-market purchase | +9,519 | $4.40 | $41,884 |
| May 21, 2025 | Vanda Pharmaceuticals Inc. | Open-market purchase | +481 | $4.39 | $2,112 |
| May 16, 2025 | Vanda Pharmaceuticals Inc. | Open-market purchase | +20,000 | $4.22 | $84,400 |
| Mar 6, 2025 | Vanda Pharmaceuticals Inc. | Open-market purchase | +5,000 | $5.02 | $25,100 |
| Mar 6, 2025 | Vanda Pharmaceuticals Inc. | Open-market purchase | +5,000 | $5.01 | $25,050 |
| Mar 5, 2025 | Vanda Pharmaceuticals Inc. | Open-market purchase | +5,000 | $5.01 | $25,050 |
| Mar 5, 2025 | Vanda Pharmaceuticals Inc. | Open-market purchase | +5,000 | $5.03 | $25,150 |
| Mar 3, 2025 | Vanda Pharmaceuticals Inc. | Open-market purchase | +10,000 | $4.71 | $47,100 |
| Mar 1, 2025 | Vanda Pharmaceuticals Inc. | Shares withheld for tax | −95,999 | $4.76 | $456,955 |
| Feb 28, 2025 | Vanda Pharmaceuticals Inc. | Open-market purchase | +10,000 | $4.76 | $47,600 |
| Feb 27, 2025 | Vanda Pharmaceuticals Inc. | Open-market purchase | +10,000 | $4.76 | $47,600 |
| Feb 26, 2025 | Vanda Pharmaceuticals Inc. | Open-market purchase | +5,000 | $4.75 | $23,750 |
Questions about Mihael Hristos Polymeropoulos
What boards is Mihael Hristos Polymeropoulos on?
Mihael Hristos Polymeropoulos sits on the board of Vanda Pharmaceuticals Inc.
What company is Mihael Hristos Polymeropoulos the CEO of?
Mihael Hristos Polymeropoulos is President and CEO of Vanda Pharmaceuticals Inc.
How long has Mihael Hristos Polymeropoulos served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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