RIBBON COMMUNICATIONS INC

Ticker: RBBN CUSIP: 762544104 Class: Common Stock

RAMSEY QUANTITATIVE SYSTEMS's Holding History (CIK: 0001132897)

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

Q4 2018

Shares 30,882 Value ($000) $149 Avg Close $5.80 Range $4.62 - $7.20

Q3 2018

Shares 30,882 Value ($000) $211 Avg Close $7.12 Range $6.36 - $7.89

Q2 2018

Shares 6,211 Value ($000) $44 Avg Close $5.86 Range $4.97 - $7.28

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	30,882	$149	$5.80	$4.62 - $7.20
Q3 2018	30,882	$211	$7.12	$6.36 - $7.89
Q2 2018	6,211	$44	$5.86	$4.97 - $7.28