TANDEM DIABETES CARE INC

CUSIP: 875372104 Class: COM

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q2 2016
Shares 685,588 Value ($000) $5,169 Avg Close — Range —
Q1 2016
Shares 911,166 Value ($000) $7,936 Avg Close — Range —
Q4 2015
Shares 1,125,281 Value ($000) $13,290 Avg Close — Range —
Q3 2015
Shares 1,089,601 Value ($000) $9,599 Avg Close — Range —
Q2 2015
Shares 1,015,727 Value ($000) $11,010 Avg Close — Range —
Q1 2015
Shares 773,563 Value ($000) $9,762 Avg Close — Range —
Q4 2014
Shares 88,708 Value ($000) $1,127 Avg Close — Range —