PERCEPTRON INC

CUSIP: 71361F100 Class: COMMON STOCK

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q1 2016
Shares 279,000 Value ($000) $1,353 Avg Close — Range —
Q4 2015
Shares 471,994 Value ($000) $3,677 Avg Close — Range —
Q3 2015
Shares 535,694 Value ($000) $4,066 Avg Close — Range —
Q2 2015
Shares 625,894 Value ($000) $6,609 Avg Close — Range —
Q1 2015
Shares 584,394 Value ($000) $7,895 Avg Close — Range —
Q4 2014
Shares 584,394 Value ($000) $5,815 Avg Close — Range —
Q3 2014
Shares 522,794 Value ($000) $5,118 Avg Close — Range —
Q2 2014
Shares 519,294 Value ($000) $6,621 Avg Close — Range —
Q1 2014
Shares 519,294 Value ($000) $6,299 Avg Close — Range —
Q4 2013
Shares 574,377 Value ($000) $7,967 Avg Close — Range —
Q3 2013
Shares 432,277 Value ($000) $4,617 Avg Close — Range —
Q2 2013
Shares 432,277 Value ($000) $3,411 Avg Close — Range —