Lantheus Holdings, Inc. (LNTH) Insider Ownership

Historic Insider Ownership Trends

Lantheus Holdings's top three insider shareholders as of May 14, 2026 are Rajiv A Patel (Other, 3.48Mn shares), Partners L L C/Ca Farallon (TenPercentOwner, 3.48Mn shares), Rajiv A Patel (Other, 3.48Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Rajiv A Patel - 0 3,477,227 21 Aug, 2025
Rajiv A Patel - 0 3,477,227 21 Aug, 2025
Partners L L C/Ca Farallon - 0 3,477,227 21 Aug, 2025
Mary Anne Heino Ceo 0 419,397 29 Mar, 2023
Mary Anne Heino Executive Chair And Ceo 323,124 0 04 Mar, 2026
Mary Anne Heino - 0 219,734 29 May, 2025
Robert J. Jr. Marshall Cfo And Treasurer 122,792 0 09 Mar, 2026
Robert J. Jr. Marshall Cfo And Treasurer 122,792 0 09 Mar, 2026
Daniel Niedzwiecki - 117,465 0 21 Apr, 2026
Paul Blanchfield President 108,214 0 15 Aug, 2025
Etienne Montagut Chief Business Officer 94,651 0 07 Mar, 2024
Etienne Montagut Chief Business Officer 94,651 0 07 Mar, 2024
Carol Walker Senior Vice President, Quality 64,899 0 01 Apr, 2022
Carol Walker Senior Vice President, Quality 64,899 0 01 Apr, 2022
Amanda Michelle Morgan Chief Commercial Officer 64,153 0 09 Mar, 2026
Amanda Michelle Morgan Chief Commercial Officer 64,153 0 09 Mar, 2026
Sam R Leno - 63,109 0 16 May, 2025
Andrea Sabens Chief Accounting Officer 60,420 0 17 Jul, 2024
Andrea Sabens Chief Accounting Officer 60,420 0 17 Jul, 2024
Jean-Claude Provost Chief Medical Officer 0 38,841 07 Mar, 2024
Jean-Claude Provost Chief Medical Officer 0 38,841 07 Mar, 2024
James H Thrall - 35,744 0 16 May, 2025
James H Thrall - 35,744 0 16 May, 2025
Ludger Dinkelborg - 35,731 0 09 Mar, 2026
Ying Vivian Yao Chief Human Resources Officer 30,319 0 07 Mar, 2022
Ying Vivian Yao Chief Human Resources Officer 30,319 0 07 Mar, 2022
Julie Mchugh - 25,962 0 11 Jun, 2025
Julie Mchugh - 25,962 0 11 Jun, 2025
Heinz Christoph Maeusli - 25,877 0 16 May, 2025
Heinz Christoph Maeusli - 25,877 0 16 May, 2025
Gerard Ber - 23,362 0 16 May, 2025
Gary J Pruden - 2,537 14,613 16 May, 2025
Gary J Pruden - 2,537 14,613 16 May, 2025
Kimberly Brown Chief Accounting Officer 13,726 0 09 Mar, 2026
Minnie Baylor-Henry - 9,881 0 16 May, 2025
Jeffrey Humphrey Chief Medical Officer 9,076 0 20 Jun, 2024
Julia Marie Eastland - 3,882 0 16 May, 2025
Phuong Khanh Morrow - 3,100 0 16 May, 2025
Phuong Khanh Morrow - 3,100 0 16 May, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
17 Apr, 2026 Daniel Niedzwiecki Common Stock D 1,911 $83.82 117,465 D F
05 Mar, 2026 Ludger Dinkelborg Common Stock A 20,966 $0.00 35,731 D A
05 Mar, 2026 Kimberly Brown Common Stock A 6,158 $0.00 13,859 D A
05 Mar, 2026 Robert J. Jr. Marshall Common Stock A 38,002 $0.00 123,974 D A
05 Mar, 2026 Amanda Michelle Morgan Common Stock A 26,208 $0.00 64,748 D A
05 Mar, 2026 Daniel Niedzwiecki Common Stock A 36,692 $0.00 120,659 D A
05 Mar, 2026 Robert J. Jr. Marshall Common Stock A 38,002 $0.00 123,974 D A
05 Mar, 2026 Amanda Michelle Morgan Common Stock A 26,208 $0.00 64,748 D A
05 Mar, 2026 Daniel Niedzwiecki Common Stock D 1,283 $76.31 119,376 D F
05 Mar, 2026 Robert J. Jr. Marshall Common Stock D 1,182 $76.31 122,792 D F
05 Mar, 2026 Kimberly Brown Common Stock D 133 $76.31 13,726 D F
05 Mar, 2026 Robert J. Jr. Marshall Common Stock D 1,182 $76.31 122,792 D F
05 Mar, 2026 Amanda Michelle Morgan Common Stock D 595 $76.31 64,153 D F
05 Mar, 2026 Amanda Michelle Morgan Common Stock D 595 $76.31 64,153 D F
02 Mar, 2026 Robert J. Jr. Marshall Common Stock A 8,491 $0.00 96,624 D A
02 Mar, 2026 Amanda Michelle Morgan Common Stock A 2,782 $0.00 41,876 D A
02 Mar, 2026 Daniel Niedzwiecki Common Stock A 5,169 $0.00 92,226 D A
02 Mar, 2026 Amanda Michelle Morgan Common Stock A 2,782 $0.00 41,876 D A
02 Mar, 2026 Mary Anne Heino Common Stock A 32,105 $0.00 365,040 D A
02 Mar, 2026 Robert J. Jr. Marshall Common Stock A 8,491 $0.00 96,624 D A