STRONGHOLD DIGITAL MINING IN

CUSIP: 86337R103 Class: CLASS A COM

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

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

Q1 2023
Shares 8,738 Value ($000) $0 Avg Close — Range —
Q4 2022
Shares 7,553 Value ($000) $0 Avg Close — Range —
Q1 2022
Shares 9,721 Value ($000) $56 Avg Close — Range —