ALPHA PRO TECH LTD

Ticker: APT CUSIP: 020772109 Class: COM

Cambridge Investment Research Advisors, Inc.'s Holding History (CIK: 0001419186)

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

Q3 2021

Shares 14,005 Value ($000) $94 Avg Close $8.26 Range $6.66 - $12.35

Q2 2021

Shares 14,305 Value ($000) $123 Avg Close $8.72 Range $7.57 - $10.49

Q1 2021

Shares 12,310 Value ($000) $120 Avg Close $13.26 Range $9.13 - $20.54

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	14,005	$94	$8.26	$6.66 - $12.35
Q2 2021	14,305	$123	$8.72	$7.57 - $10.49
Q1 2021	12,310	$120	$13.26	$9.13 - $20.54