34 insiders reported 103 Form 4 transactions for Lantheus Holdings, Inc. (LNTH) over the past 18 months (most recent 2026-09-02). Recent activity: Marshall Robert J. Jr. (CFO and Treasurer) Sell 721 shares, Brown Kimberly (Chief Accounting Officer) Sell 463 shares, Dinkelborg Ludger (Head of Research and Development) Sell 2,536 shares, Heino Mary Anne (Executive Chair and CEO) Sell 1,227 shares, Ber Gerard (Director) Sell 381 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-02 | Marshall Robert J. Jr. | CFO and Treasurer | Sell | 721 | $72,792 |
| 2026-08-19 | Brown Kimberly | Chief Accounting Officer | Sell | 463 | $46,721 |
| 2026-08-19 | Dinkelborg Ludger | Head of Research and Development | Sell | 2,536 | $255,908 |
| 2026-06-03 | Heino Mary Anne | Executive Chair and CEO | Sell | 1,227 | $118,614 |
| 2026-06-03 | Ber Gerard | Director | Sell | 381 | $36,831 |
| 2026-05-18 | Morrow Phuong Khanh | Director | Buy | 4,137 | $0 |
| 2026-05-18 | EASTLAND JULIA MARIE | Director | Buy | 4,137 | $0 |
| 2026-05-18 | Pruden Gary J | Director | Buy | 4,137 | $0 |
| 2026-05-18 | Maeusli Heinz Christoph | Director | Buy | 4,137 | $0 |
| 2026-05-18 | Baylor-Henry Minnie | Director | Buy | 4,137 | $0 |
| 2026-05-18 | Thrall James H | Director | Buy | 4,137 | $0 |
| 2026-05-18 | McHugh Julie | Director | Buy | 4,137 | $0 |
| 2026-05-18 | LENO SAM R | Director | Buy | 4,137 | $0 |
| 2026-05-18 | Ber Gerard | Director | Buy | 4,137 | $0 |
| 2026-04-21 | Niedzwiecki Daniel | Chief Administrative Officer, General Counsel and Corporate Secretary | Sell | 1,911 | $160,180 |
| 2026-03-09 | Brown Kimberly | Chief Accounting Officer | Buy | 6,158 | $0 |
| 2026-03-09 | Brown Kimberly | Chief Accounting Officer | Sell | 133 | $10,149 |
| 2026-03-09 | Dinkelborg Ludger | Head of Research and Development | Buy | 20,966 | $0 |
| 2026-03-09 | Morgan Amanda Michelle | Chief Commercial Officer | Buy | 26,208 | $0 |
| 2026-03-09 | Morgan Amanda Michelle | Chief Commercial Officer | Sell | 595 | $45,404 |
| 2026-03-09 | Marshall Robert J. Jr. | CFO and Treasurer | Buy | 38,002 | $0 |
| 2026-03-09 | Marshall Robert J. Jr. | CFO and Treasurer | Sell | 1,182 | $90,198 |
| 2026-03-09 | Niedzwiecki Daniel | Chief Administrative Officer, General Counsel and Corporate Secretary | Buy | 36,692 | $0 |
| 2026-03-09 | Niedzwiecki Daniel | Chief Administrative Officer, General Counsel and Corporate Secretary | Sell | 1,283 | $97,906 |
| 2026-03-04 | Heino Mary Anne | Executive Chair and CEO | Buy | 32,105 | $0 |
Source: SEC Form 4 filings · as of 2026-09-02