35 insiders reported 128 Form 4 transactions for Lantheus Holdings, Inc. (LNTH) over the past 18 months (most recent 2026-06-03). Recent activity: Heino Mary Anne (Executive Chair and CEO) Sell 1,227 shares, Ber Gerard (Director) Sell 381 shares, LENO SAM R (Director) Buy 4,137 shares, Thrall James H (Director) Buy 4,137 shares, McHugh Julie (Director) Buy 4,137 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 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 | 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 | Marshall Robert J. Jr. | CFO and Treasurer | Sell | 10,652 | $812,748 |
| 2026-03-04 | Heino Mary Anne | Executive Chair and CEO | Sell | 41,916 | $3.2M |
| 2026-03-04 | Marshall Robert J. Jr. | CFO and Treasurer | Buy | 8,491 | $0 |
| 2026-03-04 | Heino Mary Anne | Executive Chair and CEO | Buy | 32,105 | $0 |
Source: SEC Form 4 filings · as of 2026-06-03