$CATX 4 SEC Filings

Filed On	Filing
08 Sep 2026	Form 4: Lantheus Alpha Therapy, Llc, 10% owner and 1 other Sold 80,783 shares ($251K) · Sold 167,149 shares ($526K)
04 Sep 2026	Form 4: Lantheus Alpha Therapy, Llc, 10% owner and 1 other Sold 42,129 shares ($131K)
04 Sep 2026	Form 4: Lantheus Alpha Therapy, Llc, 10% owner Sold 78,145 shares ($246K) · Sold 35,769 shares ($112K)
03 Sep 2026	Form 4: Lantheus Holdings, Inc., 10% owner Sold 35,769 shares ($112K)
02 Sep 2026	Form 4: Lantheus Holdings, Inc., 10% owner Sold 78,145 shares ($246K)
04 Mar 2026	Form 4: Martinez Maria E, Director Granted 50,000 Stock option (right to buy)
04 Mar 2026	Form 4: Morich Frank, Director Granted 50,000 Stock option (right to buy)
04 Mar 2026	Form 4: Williamson Robert F Iii, Director Granted 50,000 Stock option (right to buy)
04 Mar 2026	Form 4: Henson Heidi, Director Granted 50,000 Stock option (right to buy)
04 Mar 2026	Form 4: Woods Lori A, Director Granted 50,000 Stock option (right to buy)
04 Mar 2026	Form 4: Spoor Johan M., Director Granted 735,000 Stock option (right to buy)
04 Mar 2026	Form 4: Hunt Jonathan Robert, Chief Accounting Officer Granted 90,000 Stock option (right to buy)
04 Mar 2026	Form 4: Puhlmann Markus, Chief Medical Officer Granted 150,000 Stock option (right to buy)
17 Nov 2025	Form 4: Hunt Jonathan Robert, Chief Accounting Officer Bought 11,000 shares ($22.3K)
14 Nov 2025	Form 4: Williamson Robert F Iii, Director Bought 9,498 shares ($19.9K)
05 Sep 2025	Form 4: Sendek Joel, Chief Financial Officer Granted 600,000 Stock option (right to buy)
05 Sep 2025	Form 4: Martinez Maria E, Director Granted 75,000 Stock option (right to buy)
01 Apr 2025	Form 4: Spoor Johan M., Director Bought 26,676 shares ($59.7K)
01 Apr 2025	Form 4: Williamson Robert F Iii, Director Bought 22,192 shares ($50.4K) · Bought 38,145 shares ($81.8K)
01 Apr 2025	Form 4: Graham Juan, Chief Financial Officer Bought 33,333 shares ($74.9K)

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