LANTHEUS HLDGS INC

Ticker: LNTH CUSIP: 516544103 Class: Common Stock

Sarissa Capital Management LP's Holding History (CIK: 0001577524)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 181,450 Value ($000) $12,075 Avg Close $58.19 Range $49.67 - $68.83

Q3 2025

Shares 181,450 Value ($000) $9,307 Avg Close $62.49 Range $47.25 - $85.31

Q2 2025

Shares 96,251 Value ($000) $7,879 Avg Close $87.82 Range $73.11 - $108.91

Q1 2025

Shares 100,000 Value ($000) $9,760 Avg Close $93.52 Range $77.73 - $111.29

Q4 2024

Shares 63,000 Value ($000) $5,636 Avg Close $97.41 Range $75.00 - $118.21

Q3 2024

Shares 26,000 Value ($000) $2,854 Avg Close $103.88 Range $76.10 - $126.89

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	181,450	$12,075	$58.19	$49.67 - $68.83
Q3 2025	181,450	$9,307	$62.49	$47.25 - $85.31
Q2 2025	96,251	$7,879	$87.82	$73.11 - $108.91
Q1 2025	100,000	$9,760	$93.52	$77.73 - $111.29
Q4 2024	63,000	$5,636	$97.41	$75.00 - $118.21
Q3 2024	26,000	$2,854	$103.88	$76.10 - $126.89