Lantheus Alpha Therapy, LLC sold $777K of CATX
Lantheus Alpha Therapy, LLC sold 247,932 shares of Perspective Therapeutics, Inc. (CATX) at an average of $3.13 ($3.11–$3.15, $0.78M total) across 2 trades over 2026-09-03 to 2026-09-04. Filed jointly with Lantheus Holdings, Inc. (10% owner).
How this was made
The 30-second read
Why it matters
The transaction represents a modest reduction in stake by a major owner, with limited immediate market effect.
Market read
Low relevance; primarily of interest to shareholders monitoring insider activity.
What to watch
Potential upcoming clinical data that prompted the sale.
Background
Form 4 filing by Lantheus Alpha Therapy, LLC reporting a sale of Perspective Therapeutics shares.
Ticker impact
SEC Form 4 disclosed a $777K open‑market sale of 247,932 shares by a 10% owner.
minimal downward pressure, likely negligible
Sale size is small relative to market cap and ownership remains high.
Market effects
No broader sector impact; isolated insider transaction.
None
None
Counterpoint
Insider may be reallocating capital; could signal confidence in future upside.
Key entities
- companyPerspective Therapeutics, Inc.
Biopharma issuer of CATX.
- entityLantheus Alpha Therapy, LLC
Reporting insider holder.