RIBBON COMMUNICATIONS INC

Ticker: RBBN CUSIP: 762544104 Class: Common Stock

Engine Capital Management, LP's Holding History (CIK: 0001665590)

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

Q3 2019
Shares 130,088 Value ($000) $684 Avg Close $5.25 Range $4.79 - $5.93
Q2 2019
Shares 439,516 Value ($000) $2,149 Avg Close $4.88 Range $4.23 - $5.55
Q1 2019
Shares 439,516 Value ($000) $2,264 Avg Close $5.36 Range $4.64 - $6.56
Q4 2018
Shares 455,338 Value ($000) $2,195 Avg Close $5.80 Range $4.62 - $7.20
Q3 2018
Shares 455,338 Value ($000) $3,110 Avg Close $7.12 Range $6.36 - $7.89
Q2 2018
Shares 521,894 Value ($000) $3,716 Avg Close $5.86 Range $4.97 - $7.28
Q1 2018
Shares 521,894 Value ($000) $2,662 Avg Close $6.47 Range $5.01 - $7.93
Q4 2017
Shares 436,894 Value ($000) $3,377 Avg Close $7.68 Range $6.89 - $9.05