Sam R. Leno
Director · Lantheus Holdings, Inc.
Individual
- 2025
- May 18, 2026
- 2
Filings (90d)
Other insiders active in the same stocks
Insiders who have reported open-market trades at the same companies as Sam R. Leno. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- FARALLON PARTNERS L L C - $191.21M in LNTH purchases and sales on record
- Rajiv A. Patel - $191.21M in LNTH purchases and sales on record
- Mary Anne Heino - $1.00M in LNTH purchases and sales on record
- Robert J. Marshall Jr. - $812K in LNTH purchases and sales on record
- Paul Blanchfield - $323K in LNTH purchases and sales on record
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Frequently asked questions
Who is Sam R. Leno?
Sam R. Leno is a corporate insider, tracked as Director of Lantheus Holdings, Inc. (LNTH). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Sam R. Leno last file a Form 4?
The most recent primary Form 4 on record is dated 18 May 2026, one of 2 filings going back to 2025.
