SECUREWORKS CORP

CUSIP: 81374A105 Class: Common Stock

Robeco Institutional Asset Management B.V.'s Holding History (CIK: 0001418773)

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

Q1 2018
Shares 189,775 Value ($000) $1,533 Avg Close — Range —
Q4 2017
Shares 59,555 Value ($000) $528 Avg Close — Range —