GT BIOPHARMA INC

CUSIP: 36254L209 Class: COMMON

Optiver Holding B.V.'s Holding History (CIK: 0001859606)

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

Q4 2021
Shares 2,578 Value ($000) $17 Avg Close — Range —
Q3 2021
Shares 2,578 Value ($000) $17 Avg Close — Range —
Q2 2021
Shares 2,578 Value ($000) $40 Avg Close — Range —