GREENIDGE GENERATION HLDGS I

CUSIP: 39531G100 Class: Common Stock

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q1 2023
Shares 155,470 Value ($000) $0 Avg Close — Range —
Q4 2022
Shares 169,606 Value ($000) $0 Avg Close — Range —
Q3 2022
Shares 196,141 Value ($000) $392 Avg Close — Range —
Q2 2022
Shares 178,648 Value ($000) $453 Avg Close — Range —
Q1 2022
Shares 186,669 Value ($000) $1,605 Avg Close — Range —
Q4 2021
Shares 152,450 Value ($000) $2,446 Avg Close — Range —