SIGMA LABS INC

CUSIP: 826598500 Class: COM

Virtu Financial LLC's Holding History (CIK: 0001533964)

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

Q4 2021
Shares 16,761 Value ($000) $31 Avg Close — Range —
Q3 2021
Shares 28,848 Value ($000) $88 Avg Close — Range —
Q1 2021
Shares 77,282 Value ($000) $287 Avg Close — Range —