RIBBON COMMUNICATIONS INC

Ticker: RBBN CUSIP: 762544104 Class: Common Stock

Aigen Investment Management, LP's Holding History (CIK: 0001741224)

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

Q1 2021

Shares 14,652 Value ($000) $120 Avg Close $8.28 Range $6.22 - $11.25

Q1 2020

Shares 5,494 Value ($000) $17 Avg Close $3.01 Range $1.95 - $3.68

Q4 2019

Shares 23,335 Value ($000) $72 Avg Close $3.98 Range $2.44 - $5.92

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	14,652	$120	$8.28	$6.22 - $11.25
Q1 2020	5,494	$17	$3.01	$1.95 - $3.68
Q4 2019	23,335	$72	$3.98	$2.44 - $5.92