35 insiders reported 128 Form 4 transactions for Lantheus Holdings, Inc. (LNTH) over the past 18 months (most recent 2026-08-19). Recent activity: Brown Kimberly (Chief Accounting Officer) Sell 463 shares, Dinkelborg Ludger (See Remarks) Sell 2,536 shares, Ber Gerard (Director) Sell 381 shares, Heino Mary Anne (Executive Chair and CEO) Sell 1,227 shares, LENO SAM R (Director) Buy 4,137 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-19 | Brown Kimberly | Chief Accounting Officer | Sell | 463 | $46,721 |
| 2026-08-19 | Dinkelborg Ludger | See Remarks | Sell | 2,536 | $255,908 |
| 2026-06-03 | Ber Gerard | Director | Sell | 381 | $36,831 |
| 2026-06-03 | Heino Mary Anne | Executive Chair and CEO | Sell | 1,227 | $118,614 |
| 2026-05-18 | LENO SAM R | 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 | EASTLAND JULIA MARIE | Director | Buy | 4,137 | $0 |
| 2026-05-18 | Pruden Gary J | Director | Buy | 4,137 | $0 |
| 2026-05-18 | Baylor-Henry Minnie | Director | Buy | 4,137 | $0 |
| 2026-05-18 | Ber Gerard | Director | Buy | 4,137 | $0 |
| 2026-05-18 | Maeusli Heinz Christoph | Director | Buy | 4,137 | $0 |
| 2026-05-18 | Morrow Phuong Khanh | Director | Buy | 4,137 | $0 |
| 2026-04-21 | Niedzwiecki Daniel | See Remarks | 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 | See Remarks | 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 | See Remarks | Buy | 36,692 | $0 |
| 2026-03-09 | Niedzwiecki Daniel | See Remarks | Sell | 1,283 | $97,906 |
| 2026-03-04 | Heino Mary Anne | Executive Chair and CEO | Buy | 32,105 | $0 |
| 2026-03-04 | Heino Mary Anne | Executive Chair and CEO | Sell | 41,916 | $3.2M |
Source: SEC Form 4 filings · as of 2026-08-19