GREENIDGE GENERATION HLDGS I

CUSIP: 39531G100 Class: Common Stock

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

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

Q1 2023
Shares 18,171 Value ($000) $8 Avg Close — Range —
Q1 2022
Shares 48,135 Value ($000) $414 Avg Close — Range —
Q4 2021
Shares 52,751 Value ($000) $847 Avg Close — Range —