SIGMA LABS INC

CUSIP: 826598302 Class: COM PAR

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q2 2019
Shares 17,086 Value ($000) $24 Avg Close — Range —
Q3 2018
Shares 11,044 Value ($000) $13 Avg Close — Range —
Q1 2018
Shares 13,485 Value ($000) $19 Avg Close — Range —
Q4 2017
Shares 19,587 Value ($000) $42 Avg Close — Range —