CIENA CORP

CUSIP: 171779AK7 Class: DEBT

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q3 2018
Shares 197,000 Value ($000) $312 Avg Close — Range —
Q2 2018
Shares 197,000 Value ($000) $278 Avg Close — Range —
Q1 2018
Shares 197,000 Value ($000) $277 Avg Close — Range —
Q4 2017
Shares 197,000 Value ($000) $257 Avg Close — Range —
Q3 2017
Shares 197,000 Value ($000) $262 Avg Close — Range —
Q2 2017
Shares 197,000 Value ($000) $279 Avg Close — Range —
Q1 2017
Shares 197,000 Value ($000) $270 Avg Close — Range —
Q4 2016
Shares 197,000 Value ($000) $275 Avg Close — Range —