RIBBON COMMUNICATIONS INC

Ticker: RBBN CUSIP: 762544104 Class: Common Stock

Mirae Asset Global Investments Co., Ltd.'s Holding History (CIK: 0001569395)

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

Q4 2020
Shares 37,168 Value ($000) $244 Avg Close $5.28 Range $3.62 - $7.49
Q3 2020
Shares 33,195 Value ($000) $128 Avg Close $4.22 Range $3.61 - $5.64
Q2 2020
Shares 22,599 Value ($000) $89 Avg Close $3.63 Range $2.67 - $4.68
Q1 2020
Shares 58,467 Value ($000) $177 Avg Close $3.01 Range $1.95 - $3.68
Q4 2019
Shares 57,212 Value ($000) $177 Avg Close $3.98 Range $2.44 - $5.92
Q3 2019
Shares 22,651 Value ($000) $132 Avg Close $5.25 Range $4.79 - $5.93
Q2 2019
Shares 29,800 Value ($000) $146 Avg Close $4.88 Range $4.23 - $5.55
Q1 2019
Shares 29,493 Value ($000) $151 Avg Close $5.36 Range $4.64 - $6.56
Q4 2018
Shares 37,087 Value ($000) $179 Avg Close $5.80 Range $4.62 - $7.20
Q3 2018
Shares 29,752 Value ($000) $202 Avg Close $7.12 Range $6.36 - $7.89