SIGMA LABS INC

CUSIP: 826598500 Class: COM

BANK OF AMERICA CORP /DE/'s Holding History (CIK: 0000070858)

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

Q4 2021
Shares 19 Value ($000) $0 Avg Close — Range —
Q3 2021
Shares 3,985 Value ($000) $12 Avg Close — Range —