ZENDESK INC

CUSIP: 98936JAB7 Class: NOTE 0.250% 3/1

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

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

Q3 2022
Shares 10,000,000 Value ($000) $12,288 Avg Close — Range —
Q2 2022
Shares 10,000,000 Value ($000) $12,027 Avg Close — Range —
Q1 2022
Shares 10,000,000 Value ($000) $19,220 Avg Close — Range —
Q4 2021
Shares 10,000,000 Value ($000) $17,116 Avg Close — Range —
Q3 2021
Shares 10,000,000 Value ($000) $18,713 Avg Close — Range —
Q2 2021
Shares 10,000,000 Value ($000) $22,963 Avg Close — Range —
Q1 2021
Shares 10,908,000 Value ($000) $23,021 Avg Close — Range —
Q4 2020
Shares 10,917,000 Value ($000) $24,846 Avg Close — Range —
Q3 2020
Shares 10,871,000 Value ($000) $18,627 Avg Close — Range —
Q2 2020
Shares 10,891,000 Value ($000) $16,287 Avg Close — Range —
Q1 2020
Shares 30,342,000 Value ($000) $35,904 Avg Close — Range —
Q4 2019
Shares 36,080,000 Value ($000) $49,490 Avg Close — Range —
Q3 2019
Shares 43,854,000 Value ($000) $57,974 Avg Close — Range —
Q2 2019
Shares 43,832,000 Value ($000) $67,362 Avg Close — Range —
Q1 2019
Shares 56,616,000 Value ($000) $82,643 Avg Close — Range —