Lantheus Holdings Stock Insider Power

Based on the 100 latest insides trades, we have calculated the insider power to be negative at -97.44. In total, the insiders bought 804.58K and sold 14.25M LNTH shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.

Insider Power

(Last 100 transactions)
-97.44
Buy 804.58K shares
Sell 14.25M shares
51% Buy Activity
Negligible or No Correlation
Buy Signal Low Confidence
May 14, 2026

Analysis Breakdown:

  • Signal is highly questionable due to a strongly contradictory negative Insider Power Score of -97.44.
  • Confidence increased due to high data reliability score of 100.

Historical Insider Trades

Date Type Person Role Amount
Aug 06, 2025
Buy
Common Stock
Farallon Partners L L C/ca
Member Of A Group Owning 10%
10% Owner 0
Value: $0
Aug 06, 2025
Buy
Common Stock
Patel Rajiv A
Member Of A Group Owning 10%
Other 0
Value: $0
Aug 01, 2025
Buy
Common Stock
Dinkelborg Ludger
See Remarks
Officer 0
Value: $0
Aug 01, 2025
Buy
Common Stock
Dinkelborg Ludger
See Remarks
Officer 0
Value: $0
Jul 15, 2025
Sell
Common Stock
F-InKind
Blanchfield Paul
President
CEO / President 518
Value: $42.1K
Jul 15, 2025
Sell
Common Stock
F-InKind
Blanchfield Paul
President
CEO / President 518
Value: $42.1K
Jun 13, 2025
Sell
Common Stock
S-Sale
Niedzwiecki Daniel
See Remarks
Officer 6 000
Value: $472.4K
Jun 13, 2025
Sell
Common Stock
S-Sale
Niedzwiecki Daniel
See Remarks
Officer 6 000
Value: $472.4K
Jun 09, 2025
Sell
Common Stock
S-Sale
Mchugh Julie
Director
Director 5 192
Value: $423.8K
Jun 09, 2025
Buy
Common Stock
M-Exempt
Marshall Robert J. Jr.
CFO And Treasurer
C-Suite Officer 14 773
Value: $737.6K
Jun 09, 2025
Sell
Common Stock
S-Sale
Marshall Robert J. Jr.
CFO And Treasurer
C-Suite Officer 3 494
Value: $284.0K
Jun 09, 2025
Sell
Common Stock
S-Sale
Marshall Robert J. Jr.
CFO And Treasurer
C-Suite Officer 9 243
Value: $762.6K
Jun 09, 2025
Sell
Common Stock
S-Sale
Marshall Robert J. Jr.
CFO And Treasurer
C-Suite Officer 27 036
Value: $2.25M
Jun 09, 2025
Buy
Stock Option (right to buy)
M-Exempt
Marshall Robert J. Jr.
CFO And Treasurer
C-Suite Officer 14 773
Value: $737.6K
Jun 09, 2025
Buy
Stock Option (right to buy)
M-Exempt
Marshall Robert J. Jr.
CFO And Treasurer
C-Suite Officer 14 773
Value: $737.6K
Jun 09, 2025
Sell
Common Stock
S-Sale
Marshall Robert J. Jr.
CFO And Treasurer
C-Suite Officer 27 036
Value: $2.25M
Jun 09, 2025
Sell
Common Stock
S-Sale
Marshall Robert J. Jr.
CFO And Treasurer
C-Suite Officer 9 243
Value: $762.6K
Jun 09, 2025
Sell
Common Stock
S-Sale
Marshall Robert J. Jr.
CFO And Treasurer
C-Suite Officer 3 494
Value: $284.0K
Jun 09, 2025
Buy
Common Stock
M-Exempt
Marshall Robert J. Jr.
CFO And Treasurer
C-Suite Officer 14 773
Value: $737.6K
Jun 09, 2025
Sell
Common Stock
S-Sale
Mchugh Julie
Director
Director 5 192
Value: $423.8K
Jun 05, 2025
Sell
Common Stock
S-Sale
Blanchfield Paul
President
CEO / President 6 599
Value: $525.6K
Jun 05, 2025
Sell
Common Stock
S-Sale
Niedzwiecki Daniel
See Remarks
Officer 6 000
Value: $477.9K
Jun 05, 2025
Sell
Common Stock
S-Sale
Niedzwiecki Daniel
See Remarks
Officer 6 000
Value: $477.9K
Jun 05, 2025
Sell
Common Stock
S-Sale
Blanchfield Paul
President
CEO / President 6 599
Value: $525.6K
Jun 02, 2025
Sell
Common Stock
S-Sale
Heino Mary Anne
Director
Director 3 140
Value: $235.2K

About Insider Power

Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.

It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.

While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.

* October 6th, 2025 - Tested on 5562 stocks

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ABOUT LANTHEUS HOLDINGS
Lantheus Holdings
Lantheus Holdings, Inc. develops, manufactures, and commercializes diagnostic and therapeutic products that assist clinicians in the diagnosis and treatment of heart, cancer, and other diseases worldwide. It provides DEFINITY, a microbubble ultrasound enhancing agent used in ultrasound exams of the heart; TechneLite, a technetium generator for nuclear medicine; Xenon-133 to assess pulmonary function; Neurolite to identify the area within the brai...
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