GRAYBUG VISION INC

CUSIP: 38942Q103 Class: COM SHS

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

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

Q4 2022
Shares 17 Value ($000) $0 Avg Close — Range —
Q3 2022
Shares 966 Value ($000) $0 Avg Close — Range —
Q2 2022
Shares 216 Value ($000) $0 Avg Close — Range —
Q4 2021
Shares 9,459 Value ($000) $17 Avg Close — Range —
Q3 2021
Shares 8,176 Value ($000) $42 Avg Close — Range —
Q2 2021
Shares 8,176 Value ($000) $44 Avg Close — Range —