SECOND SIGHT MED PRODS INC

CUSIP: 81362J100 Class: COM

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

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

Q4 2019
Shares 2,000 Value ($000) $1 Avg Close — Range —
Q3 2019
Shares 2,000 Value ($000) $2 Avg Close — Range —