CELGENE CORP

CUSIP: 151020104 Class: COM

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

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

Q4 2017
Shares 8,905 Value ($000) $929 Avg Close — Range —
Q3 2017
Shares 181,540 Value ($000) $26,472 Avg Close — Range —
Q2 2017
Shares 181,360 Value ($000) $23,553 Avg Close — Range —
Q1 2017
Shares 179,971 Value ($000) $22,394 Avg Close — Range —
Q4 2016
Shares 180,823 Value ($000) $20,930 Avg Close — Range —
Q3 2016
Shares 181,433 Value ($000) $18,965 Avg Close — Range —
Q2 2016
Shares 178,555 Value ($000) $17,611 Avg Close — Range —
Q1 2016
Shares 145,524 Value ($000) $14,565 Avg Close — Range —
Q4 2015
Shares 187,214 Value ($000) $22,421 Avg Close — Range —
Q3 2015
Shares 201,546 Value ($000) $21,801 Avg Close — Range —
Q2 2015
Shares 196,011 Value ($000) $22,685 Avg Close — Range —
Q1 2015
Shares 195,786 Value ($000) $22,570 Avg Close — Range —
Q4 2014
Shares 190,076 Value ($000) $21,262 Avg Close — Range —
Q3 2014
Shares 189,726 Value ($000) $17,982 Avg Close — Range —
Q2 2014
Shares 171,536 Value ($000) $14,732 Avg Close — Range —
Q1 2014
Shares 2,585 Value ($000) $361 Avg Close — Range —
Q4 2013
Shares 2,785 Value ($000) $471 Avg Close — Range —
Q3 2013
Shares 3,110 Value ($000) $479 Avg Close — Range —
Q2 2013
Shares 3,110 Value ($000) $364 Avg Close — Range —