OYSTER ENTERPRISES II ACQUIS

Ticker: OYSER CUSIP: G6861F138 Class: RIGHT 05/22/2030

GRITSTONE ASSET MANAGEMENT LLC's Holding History (CIK: 0001964236)

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

Q4 2025
Shares 49,430 Value ($000) $10 Avg Close — Range —
Q3 2025
Shares 49,430 Value ($000) $8 Avg Close — Range —