SLACK TECHNOLOGIES INC

CUSIP: 83088V102 Class: COM CL A

ROBERTS GLORE & CO INC /IL/'s Holding History (CIK: 0001017115)

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

Q2 2021
Shares 7,725 Value ($000) $342 Avg Close — Range —
Q1 2021
Shares 7,725 Value ($000) $314 Avg Close — Range —
Q4 2020
Shares 6,450 Value ($000) $272 Avg Close — Range —
Q2 2020
Shares 6,550 Value ($000) $203 Avg Close — Range —