Lantheus Alpha Therapy, LLC's Form 4 filing

Perspective Therapeutics, Inc. (CATX) · filed Sep 4, 2026

Accession no.: 0002064832-26-000314
Filed: Sep 4, 2026, 4:58 PM ET
Trade date: Aug 31-Sep 1, 2026
Filing delay: 4 daysLate
Rule 10b5-1 plan: Not checked

Original on SEC EDGAR (opens in a new tab)

This filing lists 2 non-derivative transactions. Open-market sales total $357.2K. It was filed 4 days after the trade, past the 2-business-day deadline.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
Owner	Relationship to the company
Lantheus Alpha Therapy, LLCCIK 0002010224	10% Owner

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade date	Security	Transaction	Shares	Price	Value	Shares after	Ownership	Flags
Aug 31, 2026	Common Stock	SSaleDisposed	−78,145	$3.14^F3	−$245,609.74	11,599,194	Direct
Sep 1, 2026	Common Stock	SSaleDisposed	−35,769	$3.12^F4	−$111,574.24	11,563,425	Direct

Footnotes and remarks

Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.095 to $3.165, inclusive. The reporting person undertakes to provide to CATX, any security holder of CATX or the staff of the Securities and Exchange Commission ("SEC"), upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2) to this Form 4.

Referenced by the price of 1 transaction in Table I.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.08 to $3.165, inclusive. The reporting person undertakes to provide to CATX, any security holder of CATX or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (3) to this Form 4.

Referenced by the price of 1 transaction in Table I.

Read the full filing on SEC EDGAR (opens in a new tab)