SLACK TECHNOLOGIES INC

CUSIP: 83088V102 Class: COM CL A

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

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

Q2 2021
Shares 116,357 Value ($000) $5,154 Avg Close — Range —
Q1 2021
Shares 167,959 Value ($000) $6,824 Avg Close — Range —
Q4 2020
Shares 350 Value ($000) $14 Avg Close — Range —
Q3 2020
Shares 334,268 Value ($000) $8,978 Avg Close — Range —
Q2 2020
Shares 416,527 Value ($000) $12,949 Avg Close — Range —
Q1 2020
Shares 225,838 Value ($000) $6,061 Avg Close — Range —
Q4 2019
Shares 75,611 Value ($000) $1,699 Avg Close — Range —
Q2 2019
Shares 59,814 Value ($000) $2,243 Avg Close — Range —