ATRION CORP

CUSIP: 049904105 Class: Common Stock

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND's Holding History (CIK: 0001535845)

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

Q1 2020
Shares 1,800 Value ($000) $1,170 Avg Close — Range —
Q4 2019
Shares 5,100 Value ($000) $3,833 Avg Close — Range —