RIBBON COMMUNICATIONS INC

Ticker: RBBN CUSIP: 762544104 Class: Common Stock

Trustees of Columbia University in the City of New York's Holding History (CIK: 0001420995)

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

Q4 2020
Shares 13,085 Value ($000) $86 Avg Close $5.28 Range $3.62 - $7.49