Polymeropoulos Mihael Hristos (CIK 1355537) reported 18 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-04). Recent activity: Sell VNDA (156,235 shares), Buy VNDA (525,000 shares), Buy VNDA (10,000 shares), Buy VNDA (9,519 shares), Buy VNDA (481 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-04 | Vanda Pharmaceuticals Inc. (VNDA) | President and CEO | Sell | 156,235 | $1.3M |
| 2026-02-19 | Vanda Pharmaceuticals Inc. (VNDA) | President and CEO | Buy | 525,000 | $0 |
| 2025-08-08 | Vanda Pharmaceuticals Inc. (VNDA) | President and CEO | Buy | 10,000 | $41,500 |
| 2025-05-21 | Vanda Pharmaceuticals Inc. (VNDA) | President and CEO | Buy | 9,519 | $41,884 |
| 2025-05-21 | Vanda Pharmaceuticals Inc. (VNDA) | President and CEO | Buy | 481 | $2,112 |
| 2025-05-19 | Vanda Pharmaceuticals Inc. (VNDA) | President and CEO | Buy | 20,000 | $84,400 |
| 2025-03-06 | Vanda Pharmaceuticals Inc. (VNDA) | President and CEO | Buy | 5,000 | $25,100 |
| 2025-03-06 | Vanda Pharmaceuticals Inc. (VNDA) | President and CEO | Buy | 5,000 | $25,050 |
| 2025-03-05 | Vanda Pharmaceuticals Inc. (VNDA) | President and CEO | Buy | 5,000 | $25,050 |
| 2025-03-05 | Vanda Pharmaceuticals Inc. (VNDA) | President and CEO | Buy | 5,000 | $25,150 |
| 2025-03-04 | Vanda Pharmaceuticals Inc. (VNDA) | President and CEO | Sell | 95,999 | $456,955 |
| 2025-03-04 | Vanda Pharmaceuticals Inc. (VNDA) | President and CEO | Buy | 10,000 | $47,100 |
| 2025-02-28 | Vanda Pharmaceuticals Inc. (VNDA) | President and CEO | Buy | 10,000 | $47,600 |
| 2025-02-27 | Vanda Pharmaceuticals Inc. (VNDA) | President and CEO | Buy | 10,000 | $47,600 |
| 2025-02-26 | Vanda Pharmaceuticals Inc. (VNDA) | President and CEO | Buy | 5,000 | $23,750 |
| 2025-02-26 | Vanda Pharmaceuticals Inc. (VNDA) | President and CEO | Buy | 5,000 | $23,900 |
| 2025-02-25 | Vanda Pharmaceuticals Inc. (VNDA) | President and CEO | Buy | 10,000 | $44,600 |
| 2025-02-20 | Vanda Pharmaceuticals Inc. (VNDA) | President and CEO | Buy | 450,000 | $0 |
Source: SEC Form 4 filings · as of 2026-03-04