SLACK TECHNOLOGIES INC

CUSIP: 83088V102 Class: COM CL A

Calamos Advisors LLC's Holding History (CIK: 0001316507)

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

Q2 2021
Shares 253,600 Value ($000) $11,234 Avg Close — Range —
Q1 2021
Shares 253,600 Value ($000) $10,304 Avg Close — Range —
Q4 2020
Shares 166,548 Value ($000) $7,035 Avg Close — Range —
Q3 2020
Shares 346,980 Value ($000) $9,320 Avg Close — Range —
Q2 2020
Shares 321,003 Value ($000) $9,980 Avg Close — Range —
Q4 2019
Shares 659,883 Value ($000) $14,834 Avg Close — Range —
Q3 2019
Shares 781,413 Value ($000) $18,543 Avg Close — Range —