Regeneron Pharmaceuticals

CUSIP: 75886f107 Class: COM

Chesley Taft & Associates LLC's Holding History (CIK: 0001164632)

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

Q2 2017
Shares 4,625 Value ($000) $2,272 Avg Close — Range —
Q1 2017
Shares 4,625 Value ($000) $1,792 Avg Close — Range —
Q4 2016
Shares 4,625 Value ($000) $1,698 Avg Close — Range —
Q3 2016
Shares 4,771 Value ($000) $1,918 Avg Close — Range —
Q2 2016
Shares 5,004 Value ($000) $1,748 Avg Close — Range —
Q1 2016
Shares 5,004 Value ($000) $1,804 Avg Close — Range —
Q4 2015
Shares 9,749 Value ($000) $5,292 Avg Close — Range —
Q3 2015
Shares 10,922 Value ($000) $5,080 Avg Close — Range —
Q2 2015
Shares 11,531 Value ($000) $5,882 Avg Close — Range —
Q1 2015
Shares 12,911 Value ($000) $5,829 Avg Close — Range —
Q4 2014
Shares 12,911 Value ($000) $5,297 Avg Close — Range —
Q3 2014
Shares 12,911 Value ($000) $4,655 Avg Close — Range —
Q2 2014
Shares 13,311 Value ($000) $3,760 Avg Close — Range —
Q1 2014
Shares 13,350 Value ($000) $4,009 Avg Close — Range —
Q4 2013
Shares 13,400 Value ($000) $3,688 Avg Close — Range —
Q3 2013
Shares 13,556 Value ($000) $4,241 Avg Close — Range —
Q2 2013
Shares 23,168 Value ($000) $5,210 Avg Close — Range —