ALPHA PRO TECH LTD

Ticker: APT CUSIP: 020772109 Class: COM

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q1 2021

Shares 31,120 Value ($000) $304 Avg Close $13.26 Range $9.13 - $20.54

Q4 2020

Shares 195,958 Value ($000) $2,185 Avg Close $13.49 Range $10.54 - $17.08

Q3 2020

Shares 29,184 Value ($000) $432 Avg Close $16.95 Range $11.88 - $25.55

Q2 2020

Shares 30,571 Value ($000) $542 Avg Close $13.81 Range $9.05 - $20.60

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	31,120	$304	$13.26	$9.13 - $20.54
Q4 2020	195,958	$2,185	$13.49	$10.54 - $17.08
Q3 2020	29,184	$432	$16.95	$11.88 - $25.55
Q2 2020	30,571	$542	$13.81	$9.05 - $20.60