COGNEX CORP

Ticker: CGNX CUSIP: 192422103 Class: EQTY

RATIONAL ADVISORS LLC's Holding History (CIK: 0001143565)

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

Q3 2015
Shares 17,000 Value ($000) $584 Avg Close $18.29 Range $14.89 - $22.43
Q2 2015
Shares 17,000 Value ($000) $818 Avg Close $22.59 Range $20.61 - $24.12
Q1 2015
Shares 12,000 Value ($000) $595 Avg Close $19.54 Range $16.60 - $23.10
Q1 2012
Shares 22,100 Value ($000) $936 Avg Close — Range —
Q4 2011
Shares 22,100 Value ($000) $791 Avg Close — Range —
Q3 2011
Shares 35,300 Value ($000) $957 Avg Close — Range —
Q2 2011
Shares 35,300 Value ($000) $1,251 Avg Close — Range —
Q1 2010
Shares 18,000 Value ($000) $333 Avg Close — Range —
Q4 2009
Shares 18,000 Value ($000) $319 Avg Close — Range —
Q3 2009
Shares 18,000 Value ($000) $295 Avg Close — Range —