SENECA BIOPHARMA INC

CUSIP: 81689B103 Class: COM

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q1 2021
Shares 18,426 Value ($000) $31 Avg Close — Range —
Q4 2020
Shares 18,426 Value ($000) $16 Avg Close — Range —
Q2 2020
Shares 11,961 Value ($000) $9 Avg Close — Range —