ALPHA PRO TECH LTD

Ticker: APT CUSIP: 020772109 Class: COM

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q2 2021
Shares 596,625 Value ($000) $5,113 Avg Close $8.72 Range $7.57 - $10.49
Q1 2021
Shares 595,770 Value ($000) $5,815 Avg Close $13.26 Range $9.13 - $20.54