LNTHHealthcareMid-Cap
Lantheus Holdings, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for Lantheus Holdings, Inc. (LNTH), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Are LNTH insiders buying or selling?
Lantheus Holdings, Inc. insiders reported 8 open-market buys ($141.2K) and 220 sells ($478.4M) across 228 Form 4 filings — a net selling position of $478.3M.
Source: SEC EDGAR Form 4
Key Statistics (as of Aug 21, 2025)
Total Form 4 filings
228
SEC EDGAR
Insider filers
23
Insider buys (8)
$141.2K
Insider sells (220)
$478.4M
Insider sentiment
Net sellingNet insider flow of $478.3M in net selling.
Recent LNTH insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 21, 2025 | Rajiv A Patel | Other | Sale | 3.4M | $56.14 | $191.2M |
| Aug 21, 2025 | Joshua J. Dapice | Other, 10% Owner | Sale | 3.4M | $56.14 | $191.2M |
| Aug 15, 2025 | Paul Blanchfield | President | Sale | 3.1K | $53.57 | $163.9K |
| Jun 17, 2025 | Daniel Niedzwiecki | Chief Administrative Officer, General Counsel and Corporate Secretary | Sale | 6.0K | $78.74 | $472.4K |
| Jun 11, 2025 | Julie Mchugh | Director | Sale | 5.2K | $81.62 | $423.8K |
| Jun 11, 2025 | Robert J. Marshall Jr. | CFO and Treasurer | Sale | 39.8K | $83.00 | $3.3M |
| Jun 9, 2025 | Paul Blanchfield | President | Sale | 6.6K | $79.65 | $525.6K |
| Jun 9, 2025 | Daniel Niedzwiecki | Chief Administrative Officer, General Counsel and Corporate Secretary | Sale | 6.0K | $79.65 | $477.9K |
| Jun 4, 2025 | Mary Anne Heino | Director | Sale | 26.1K | $76.83 | $2.0M |
| Mar 19, 2025 | Robert J. Marshall Jr. | CFO and Treasurer | Sale | 10.0K | $100.52 | $1.0M |
| Mar 18, 2025 | Mary Anne Heino | Director | Sale | 3 | $93.84 | $281.52 |
| Mar 7, 2025 | Paul Blanchfield | President | Sale | 2.1K | $98.00 | $204.2K |
| Mar 5, 2025 | Mary Anne Heino | Director | Sale | 53.1K | $94.35 | $5.0M |
| Jan 17, 2025 | James H Thrall | Director | Sale | 1.0K | $94.76 | $94.8K |
| Nov 19, 2024 | Robert J. Marshall Jr. | CFO and Treasurer | Sale | 10.0K | $81.20 | $812.0K |
| Nov 18, 2024 | Paul Blanchfield | President | Sale | 2.0K | $79.65 | $159.3K |
| Nov 12, 2024 | Mary Anne Heino | Director | Sale | 11.5K | $87.16 | $1.0M |
| Aug 23, 2024 | James H Thrall | Director | Sale | 1.0K | $98.52 | $98.5K |
| Aug 16, 2024 | Daniel Niedzwiecki | Chief Administrative Officer, General Counsel and Corporate Secretary | Sale | 2.5K | $97.54 | $243.8K |
| Aug 14, 2024 | Gerard Ber | Director | Sale | 15.5K | $96.48 | $1.5M |
| Aug 12, 2024 | Paul Blanchfield | President | Sale | 2.0K | $96.39 | $192.8K |
| Aug 6, 2024 | Mary Anne Heino | Director | Sale | 10.5K | $95.50 | $1.0M |
| Jul 17, 2024 | Andrea Sabens | Chief Accounting Officer | Sale | 2.1K | $124.67 | $266.4K |
| Jul 12, 2024 | Gary J Pruden | Director | Sale | 12.5K | $95.04 | $1.2M |
| Jun 17, 2024 | Andrea Sabens | Chief Accounting Officer | Sale | 341 | $79.77 | $27.2K |
Showing the 25 most recent of 228 Form 4 filings for Lantheus Holdings, Inc..
Most active LNTH insiders
- Mary Anne Heino38 filings
- Andrea Sabens32 filings
- Robert J. Marshall Jr.22 filings
- Paul Blanchfield18 filings
- Michael P Duffy17 filings
Ask anything about LNTH insider activity
Use Trabud's AI agent to query Lantheus Holdings, Inc.'s Form 4 history in plain English — "Show me LNTH CEO purchases this year" or compare it against any other ticker.
Open the AI agentLNTH insider trading FAQ
Are Lantheus Holdings, Inc. insiders buying or selling?
Across 228 SEC Form 4 filings, Lantheus Holdings, Inc. (LNTH) insiders reported 8 open-market purchases totaling $141.2K and 220 sales totaling $478.4M. That is a net selling position of $478.3M.
How many insiders trade LNTH stock?
23 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for Lantheus Holdings, Inc.. The most recent filing was accepted on Aug 21, 2025.
Where does Trabud get LNTH insider trading data?
All LNTH insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.
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