MAGNERA CORP

Ticker: MAGN CUSIP: 55939A107 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2025
Shares 255 Value ($000) $4 Avg Close $11.59 Range $7.82 - $15.52
Q4 2024
Shares 1,910 Value ($000) $35 Avg Close $20.46 Range $17.09 - $26.78