MAGNERA CORP

Ticker: MAGN CUSIP: 55939A107 Class: Common Stock

HighVista Strategies LLC's Holding History (CIK: 0001335325)

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

Q3 2025

Shares 87,100 Value ($000) $1,021 Avg Close $12.42 Range $10.33 - $14.16

Q2 2025

Shares 99,700 Value ($000) $1,204 Avg Close $13.76 Range $11.43 - $18.61

Q1 2025

Shares 66,600 Value ($000) $1,209 Avg Close $19.44 Range $16.75 - $23.19

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	87,100	$1,021	$12.42	$10.33 - $14.16
Q2 2025	99,700	$1,204	$13.76	$11.43 - $18.61
Q1 2025	66,600	$1,209	$19.44	$16.75 - $23.19