ALTERYX INC

CUSIP: 02156BAB9 Class: COM CL A

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

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

Q2 2020

Shares 12,500,000 Value ($000) $46,204 Avg Close — Range —

Q1 2020

Shares 12,500,000 Value ($000) $27,920 Avg Close — Range —

Q4 2019

Shares 12,500,000 Value ($000) $28,940 Avg Close — Range —

Q3 2019

Shares 12,500,000 Value ($000) $31,002 Avg Close — Range —

Q2 2019

Shares 12,500,000 Value ($000) $31,619 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2020	12,500,000	$46,204	—	—
Q1 2020	12,500,000	$27,920	—	—
Q4 2019	12,500,000	$28,940	—	—
Q3 2019	12,500,000	$31,002	—	—
Q2 2019	12,500,000	$31,619	—	—