ROSETTA STONE INC

CUSIP: 777780107 Class: COM

OBERWEIS ASSET MANAGEMENT INC/'s Holding History (CIK: 0000937886)

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

Q3 2019
Shares 81,800 Value ($000) $1,423 Avg Close — Range —
Q2 2019
Shares 66,800 Value ($000) $1,528 Avg Close — Range —
Q1 2019
Shares 82,700 Value ($000) $1,807 Avg Close — Range —
Q4 2018
Shares 82,700 Value ($000) $1,356 Avg Close — Range —
Q3 2018
Shares 74,500 Value ($000) $1,482 Avg Close — Range —
Q2 2018
Shares 75,300 Value ($000) $1,207 Avg Close — Range —
Q1 2018
Shares 75,300 Value ($000) $990 Avg Close — Range —
Q4 2017
Shares 89,400 Value ($000) $1,115 Avg Close — Range —
Q3 2017
Shares 88,600 Value ($000) $905 Avg Close — Range —
Q2 2017
Shares 88,600 Value ($000) $955 Avg Close — Range —