ACACIA COMMUNICATIONS INC

CUSIP: 00401C108 Class: COM

WATER ISLAND CAPITAL LLC's Holding History (CIK: 0001222765)

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

Q4 2020
Shares 903,369 Value ($000) $65,910 Avg Close — Range —
Q3 2020
Shares 1,143,544 Value ($000) $77,075 Avg Close — Range —
Q2 2020
Shares 5,601 Value ($000) $376 Avg Close — Range —