Niedzwiecki Daniel (CIK 1861113) reported 8 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-04-21). Recent activity: Sell LNTH (1,911 shares), Buy LNTH (36,692 shares), Sell LNTH (1,283 shares), Buy LNTH (5,169 shares), Sell LNTH (8,259 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-21 | Lantheus Holdings, Inc. (LNTH) | Chief Administrative Officer, General Counsel and Corporate Secretary | Sell | 1,911 | $160,180 |
| 2026-03-09 | Lantheus Holdings, Inc. (LNTH) | Chief Administrative Officer, General Counsel and Corporate Secretary | Buy | 36,692 | $0 |
| 2026-03-09 | Lantheus Holdings, Inc. (LNTH) | Chief Administrative Officer, General Counsel and Corporate Secretary | Sell | 1,283 | $97,906 |
| 2026-03-04 | Lantheus Holdings, Inc. (LNTH) | Chief Administrative Officer, General Counsel and Corporate Secretary | Buy | 5,169 | $0 |
| 2026-03-04 | Lantheus Holdings, Inc. (LNTH) | Chief Administrative Officer, General Counsel and Corporate Secretary | Sell | 8,259 | $630,162 |
| 2025-06-17 | Lantheus Holdings, Inc. (LNTH) | Chief Administrative Officer, General Counsel and Corporate Secretary | Sell | 6,000 | $472,440 |
| 2025-06-09 | Lantheus Holdings, Inc. (LNTH) | Chief Administrative Officer, General Counsel and Corporate Secretary | Sell | 6,000 | $477,900 |
| 2025-04-21 | Lantheus Holdings, Inc. (LNTH) | Chief Administrative Officer, General Counsel and Corporate Secretary | Sell | 178 | $18,035 |
来源：SEC Form 4 申报文件 · 截至 2026-04-21