HERITAGE CRYSTAL CLEAN INC

CUSIP: 42726M106 Class: Common Stock

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q4 2021
Shares 400 Value ($000) $12 Avg Close — Range —
Q4 2020
Shares 1,751 Value ($000) $36 Avg Close — Range —
Q2 2019
Shares 100 Value ($000) $2 Avg Close — Range —
Q1 2018
Shares 267 Value ($000) $6 Avg Close — Range —
Q4 2017
Shares 1,252 Value ($000) $27 Avg Close — Range —