ALPHA PRO TECH LTD

Ticker: APT CUSIP: 020772109 Class: COM

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q2 2022

Shares 20,918 Value ($000) $93 Avg Close $4.26 Range $3.85 - $4.75

Q1 2022

Shares 14,068 Value ($000) $59 Avg Close $4.65 Range $3.76 - $6.35

Q4 2021

Shares 18,344 Value ($000) $110 Avg Close $5.83 Range $4.91 - $8.29

Q1 2021

Shares 26,210 Value ($000) $256 Avg Close $13.26 Range $9.13 - $20.54

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2022	20,918	$93	$4.26	$3.85 - $4.75
Q1 2022	14,068	$59	$4.65	$3.76 - $6.35
Q4 2021	18,344	$110	$5.83	$4.91 - $8.29
Q1 2021	26,210	$256	$13.26	$9.13 - $20.54