Updated Jul 16, 2026 · Last SEC filing 2026-06-03
Lantheus Holdings, Inc. (LNTH) has filed 12 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-03. 2 Form 8-K material event filings were reported by LNTH in the last 90 days. InsiderAlpha tracks every LNTH SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0001521036 |
|---|
| Form 4 filings (90d) | 12 |
|---|---|
| Form 8-K filings (90d) | 2 |
| Latest Form 4 filing | 2026-06-03 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| LENO SAM R | Director | A — Grant or award | 4.1K | $0.00 | — | SEC | |
| Maeusli Heinz Christoph | Director | A — Grant or award | 4.1K | $0.00 | — | SEC | |
| Ber Gerard | Director | F — Tax withholding / forfeiture | 381 | $96.67 | $37K | SEC | |
| EASTLAND JULIA MARIE | Director | A — Grant or award | 4.1K | $0.00 | — | SEC | |
| Heino Mary Anne | Executive Chair and CEO | F — Tax withholding / forfeiture | 1.2K | $96.67 | $119K | SEC | |
| Morrow Phuong Khanh | Director | A — Grant or award | 4.1K | $0.00 | — | SEC | |
| Baylor-Henry Minnie | Director | A — Grant or award | 4.1K | $0.00 | — | SEC | |
| Pruden Gary J | Director | A — Grant or award | 4.1K | $0.00 | — | SEC | |
| Ber Gerard | Director | A — Grant or award | 4.1K | $0.00 | — | SEC | |
| Thrall James H | Director | A — Grant or award | 4.1K | $0.00 | — | SEC | |
| McHugh Julie | Director | A — Grant or award | 4.1K | $0.00 | — | SEC | |
| Niedzwiecki Daniel | See Remarks | F — Tax withholding / forfeiture | 1.9K | $83.82 | $160K | SEC | |
| Marshall Robert J. Jr. | CFO and Treasurer | F — Tax withholding / forfeiture | 1.2K | $76.31 | $90K | SEC | |
| Morgan Amanda Michelle | Chief Commercial Officer | F — Tax withholding / forfeiture | 595 | $76.31 | $45K | SEC | |
| Morgan Amanda Michelle | Chief Commercial Officer | A — Grant or award | 26.2K | $0.00 | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Lantheus Holdings, Inc. (LNTH). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Ber Gerard | 2 | $37K |
| EASTLAND JULIA MARIE | 1 | — |
| Heino Mary Anne | 1 | $119K |
| Niedzwiecki Daniel | 1 | $160K |
| LENO SAM R | 1 | — |
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in LNTH insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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