RIBBON COMMUNICATIONS INC

Ticker: RBBN CUSIP: 762544104 Class: Common Stock

BANK OF MONTREAL /CAN/'s Holding History (CIK: 0000927971)

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

Q1 2021
Shares 1,901 Value ($000) $16 Avg Close $8.28 Range $6.22 - $11.25
Q4 2020
Shares 10,534 Value ($000) $74 Avg Close $5.28 Range $3.62 - $7.49
Q3 2020
Shares 3,162 Value ($000) $12 Avg Close $4.22 Range $3.61 - $5.64
Q2 2020
Shares 5,463 Value ($000) $22 Avg Close $3.63 Range $2.67 - $4.68
Q1 2020
Shares 897 Value ($000) $2 Avg Close $3.01 Range $1.95 - $3.68
Q4 2019
Shares 7,578 Value ($000) $23 Avg Close $3.98 Range $2.44 - $5.92
Q3 2019
Shares 5,234 Value ($000) $31 Avg Close $5.25 Range $4.79 - $5.93
Q2 2019
Shares 5,059 Value ($000) $25 Avg Close $4.88 Range $4.23 - $5.55
Q1 2019
Shares 2 Value ($000) $0 Avg Close $5.36 Range $4.64 - $6.56
Q4 2018
Shares 24,598 Value ($000) $118 Avg Close $5.80 Range $4.62 - $7.20
Q3 2018
Shares 24,198 Value ($000) $164 Avg Close $7.12 Range $6.36 - $7.89
Q2 2018
Shares 20,016 Value ($000) $143 Avg Close $5.86 Range $4.97 - $7.28
Q1 2018
Shares 19,642 Value ($000) $100 Avg Close $6.47 Range $5.01 - $7.93
Q4 2017
Shares 19,642 Value ($000) $152 Avg Close $7.68 Range $6.89 - $9.05