RIBBON COMMUNICATIONS INC

Ticker: RBBN CUSIP: 762544104 Class: Common Stock

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q2 2019
Shares 39,928 Value ($000) $195 Avg Close $4.88 Range $4.23 - $5.55
Q1 2019
Shares 41,264 Value ($000) $213 Avg Close $5.36 Range $4.64 - $6.56
Q4 2018
Shares 42,264 Value ($000) $204 Avg Close $5.80 Range $4.62 - $7.20
Q3 2018
Shares 46,623 Value ($000) $318 Avg Close $7.12 Range $6.36 - $7.89
Q2 2018
Shares 46,623 Value ($000) $332 Avg Close $5.86 Range $4.97 - $7.28
Q1 2018
Shares 55,688 Value ($000) $284 Avg Close $6.47 Range $5.01 - $7.93
Q4 2017
Shares 50,794 Value ($000) $393 Avg Close $7.68 Range $6.89 - $9.05