Insider Trading Activities at CENTURY BANCORP INC (CNBKA)

Figure 1. Monthly insider transaction values at CENTURY BANCORP INC (CNBKA) in the past 24 months. The trade values of insider stock buys, sales, and option exercises are in logarithmic scale as shown on the right axis labels. The detailed monthly and daily insider transactions are listed in the 2 tables below.

08
09
10
11
12
01 2007
02
03
04
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06
07
08
09
10
11
12
01 2008
02
03
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06
07
$82,863

$8,286

$828

$82

Buy
Sale
Option Exercise

Figure 2. Average prices of insider buys, sales, and option exercises at CENTURY BANCORP INC (CNBKA) in the past 24 months. See table 2 for insider transaction details.

08
09
10
11
12
01 2007
02
03
04
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06
07
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01 2008
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07
$38.94

$29.20

$19.47

$9.74

Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for *CENTURY BANCORP INC* (*CNBKA*).
Trading Period year-month	Insider Buying Shares Value ($)		Insider Sales Shares Value ($)		Option Exercises Shares Value ($)
2008-07	23	408	0	0	0	0
2008-06	25	487	0	0	0	0
2008-05	24	474	0	0	0	0
2008-04	24	482	0	0	0	0
2008-03	23	471	0	0	0	0
2008-02	33	1,035	0	0	0	0
2007-05	26	946	0	0	0	0
2007-04	25	963	0	0	0	0
2007-03	18	700	0	0	3,348	82,863
2007-02	18	696	0	0	0	0
2006-08	18	654	0	0	0	0
2006-06	18	687	0	0	0	0
2006-05	17	666	0	0	0	0
2006-04	17	687	0	0	0	0
2006-02	34	1,361	0	0	0	0
2006-01	0	0	0	0	5,646	93,554
2005-07	14	630	0	0	0	0
2005-05	36	1,353	1,500	41,200	0	0
2005-04	17	672	0	0	0	0
2005-03	0	0	0	0	0	0

Table 2. Detailed insider stock purchases, sales, and option exercises for *CENTURY BANCORP INC* (*CNBKA*)
Trade Date	Insider Name	Trade Type	Shares	Price ($)	Value ($)
2008-07-01	Sloane Barry R (Co-CEO)	Purchase	23	17.75	408
2008-06-02	Sloane Barry R (Co-CEO)	Purchase	25	19.50	487
2008-05-01	Sloane Barry R (Co-CEO)	Purchase	24	19.75	474
2008-04-02	Sloane Barry R (Co-CEO)	Purchase	24	20.10	482
2008-03-03	Sloane Barry R (Co-CEO)	Purchase	23	20.50	471
2008-02-04	Sloane Barry R (Co-CEO)	Purchase	33	31.38	1,035
2007-05-04	Sloane Jonathan G (Co-President and Co-CEO)	Purchase	26	36.41	946
2007-04-04	Sloane Jonathan G (Co-President and Co-CEO)	Purchase	25	38.53	963
2007-03-29	Sloane Marshall M (Chairman of the Board)	Option Exercise	2,232	24.75	55,242
2007-03-05	Sloane Jonathan G (Co-President and Co-CEO)	Purchase	18	38.94	700
2007-02-06	Sloane Jonathan G (Co-President and Co-CEO)	Purchase	18	38.70	696
2006-08-02	Sloane Jonathan G (Co-CEO)	Purchase	12	36.48	436
2006-06-05	Sloane Jonathan G (Co-CEO)	Purchase	18	38.17	687
2006-05-01	Sloane Jonathan G (Executive Vice President)	Purchase	17	39.23	666
2006-04-05	Sloane Jonathan G (Executive Vice President)	Purchase	17	40.45	687
2006-02-28	Sloane Jonathan G (Executive Vice President)	Purchase	17	40.08	681
2006-02-07	Sloane Jonathan G (Executive Vice President)	Purchase	17	40.04	680
2006-01-10	Sloane Marshall M (Chairman of the Board)	Option Exercise	5,646	16.57	93,554
2005-07-05	Sloane Jonathan G (Executive Vice Presi)	Purchase	14	45.00	630
2005-05-31	Sloane Jonathan G (Executive Vice Presi)	Purchase	18	37.02	666
2005-05-25	Cusick Paul V Jr (Vice President and T)	Sale	500	26.40	13,200
2005-05-23	Cusick Paul V Jr (Vice President and T)	Sale	1,000	28.00	28,000
2005-05-04	Sloane Jonathan G (Executive Vice Presi)	Purchase	18	38.21	687
2005-04-05	Sloane Jonathan G (Executive Vice Presi)	Purchase	17	39.56	672
2005-03-16	Evangelista Paul A (EVP - Century Bank a)	Purchase	0	39.51	0
2005-03-16	Sloane Marshall M (Chairman of the Board)	Purchase	0	39.51	0

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of CENTURY BANCORP INC (symbol CNBKA, CIK number 812348) see the Securities and Exchange Commission (SEC) website.

Insider Trading: CENTURY BANCORP INC