RIBBON COMMUNICATIONS INC

Ticker: RBBN CUSIP: 762544104 Class: Common Stock

TEACHER RETIREMENT SYSTEM OF TEXAS's Holding History (CIK: 0000796848)

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

Q3 2025
Shares 12,441 Value ($000) $47 Avg Close $3.93 Range $3.57 - $4.29
Q2 2025
Shares 72,022 Value ($000) $289 Avg Close $3.60 Range $3.01 - $4.29
Q1 2025
Shares 53,009 Value ($000) $208 Avg Close $4.21 Range $3.66 - $5.38
Q3 2022
Shares 10,855 Value ($000) $24 Avg Close $3.17 Range $2.22 - $3.99
Q2 2022
Shares 14,865 Value ($000) $45 Avg Close $3.02 Range $2.57 - $3.65
Q1 2022
Shares 19,826 Value ($000) $61 Avg Close $4.10 Range $2.74 - $6.42
Q4 2021
Shares 18,579 Value ($000) $112 Avg Close $5.93 Range $5.11 - $6.46
Q3 2021
Shares 15,226 Value ($000) $91 Avg Close $6.75 Range $5.80 - $7.78
Q2 2018
Shares 10,368 Value ($000) $74 Avg Close $5.86 Range $4.97 - $7.28
Q1 2018
Shares 11,335 Value ($000) $58 Avg Close $6.47 Range $5.01 - $7.93
Q4 2017
Shares 14,254 Value ($000) $110 Avg Close $7.68 Range $6.89 - $9.05