SELLAS LIFE SCIENCES GROUP I

CUSIP: 81642T100 Class: COM

TWO SIGMA SECURITIES, LLC's Holding History (CIK: 0001450144)

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

Q2 2019
Shares 16,964 Value ($000) $2 Avg Close — Range —
Q1 2019
Shares 10,822 Value ($000) $11 Avg Close — Range —
Q3 2018
Shares 13,464 Value ($000) $16 Avg Close — Range —