SIGMA LABS INC

CUSIP: 826598302 Class: COM PAR

ARK Investment Management LLC's Holding History (CIK: 0001697748)

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

Q1 2018
Shares 21,438 Value ($000) $31 Avg Close — Range —
Q4 2017
Shares 16,063 Value ($000) $35 Avg Close — Range —
Q2 2017
Shares 36,461 Value ($000) $77 Avg Close — Range —
Q1 2017
Shares 17,793 Value ($000) $55 Avg Close — Range —