Insider Trading activities at Greater Bay Bancorp (GBBK)

Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Greater Bay Bancorp (GBBK) since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data at Greater Bay Bancorp. Table 2 shows the detailed insider transactions. The reporting company's CIK number is 775473.

Total stock buying since 2005: $2,017,208.
Total stock sales since 2005: $2,432,138.
Total stock option exercises since 2005: $430,848.

▪ Recent SEC 13D filings for all companies
▪ Recent portfolio reports of all companies


Table 1. Yearly summary of insider stock purchases, sales, and option exercises at Greater Bay Bancorp (GBBK).
Insider Buying Insider Sales Option Exercises
Year Shares Value Shares Value Shares Value
2007 0 $0 29,318 $788,030 52,809 $227,339
2006 72,000 $1,990,128 32,500 $908,065 72,100 $203,509
2005 1,000 $27,080 27,883 $736,043 0 $0

Table 2. Monthly summary of insider trading at Greater Bay Bancorp (GBBK).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2007-05 0 $0 0 $0 35,000 $0
2007-03 0 $0 3,000 $79,950 1,500 $26,339
2007-02 0 $0 26,318 $708,080 12,000 $201,000
2007-01 0 $0 0 $0 4,309 $0
2006-12 0 $0 0 $0 1,600 $8,704
2006-09 0 $0 27,000 $743,850 3,000 $0
2006-06 0 $0 4,000 $122,872 37,500 $0
2006-05 72,000 $1,990,128 0 $0 3,000 $0
2006-04 0 $0 0 $0 9,000 $194,805
2006-02 0 $0 1,500 $41,343 0 $0
2006-01 0 $0 0 $0 18,000 $0
2005-12 1,000 $27,080 0 $0 0 $0
2005-11 0 $0 20,000 $533,620 0 $0
2005-09 0 $0 4,883 $125,971 0 $0
2005-08 0 $0 3,000 $76,452 0 $0

Table 3. Detailed insider trading at Greater Bay Bancorp (GBBK)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2007-05-30 Kaplan Robert B (Director) Option Ex 3,500 .00 0
2007-05-30 Randlett Thomas E (Director) Option Ex 4,500 .00 0
2007-05-30 Thompson James (Director) Option Ex 2,250 .00 0
2007-05-30 Meier Linda R (Director) Option Ex 2,250 .00 0
2007-05-30 Mclaughlin Glen (Director) Option Ex 4,500 .00 0
2007-05-30 Matteson Duncan L (Director) Option Ex 6,750 .00 0
2007-05-30 Lund Arthur K (Director) Option Ex 2,250 .00 0
2007-05-30 Libarle Daniel (Director) Option Ex 2,250 .00 0
2007-05-30 Gatto John M (Director) Option Ex 4,500 .00 0
2007-05-30 Marcus George M (Director) Option Ex 2,250 .00 0
2007-03-07 Marcus George M (Director) Option Ex 1,500 17.56 26,339
2007-03-05 Libarle Daniel (Director) Sale 3,000 26.65 79,950
2007-02-27 Libarle Daniel (Director) Sale 1,318 26.82 35,355
2007-02-05 Gatto John M (Director) Sale 25,000 26.91 672,725
2007-02-05 Gatto John M (Director) Option Ex 12,000 16.75 201,000
2007-01-23 De Grosz Fred (Director) Option Ex 4,309 .00 0
2006-12-05 Mclaughlin Glen (Director) Option Ex 1,600 5.44 8,704
2006-09-11 Randlett Thomas E (Director) Option Ex 2,000 .00 0
2006-09-08 Matteson Duncan L (Director) Sale 18,000 27.55 495,900
2006-06-27 Kaplan Robert B (Director) Option Ex 2,500 .00 0
2006-06-27 Randlett Thomas E (Director) Option Ex 4,500 .00 0
2006-06-27 Thompson James (Director) Option Ex 2,500 .00 0
2006-06-27 Meier Linda R (Director) Option Ex 2,500 .00 0
2006-06-27 Mclaughlin Glen (Director) Option Ex 4,500 .00 0
2006-06-27 Matteson Duncan L (Director) Option Ex 9,000 .00 0
2006-06-27 Lund Arthur K (Director) Option Ex 2,500 .00 0
2006-06-27 Libarle Daniel (Director) Option Ex 2,500 .00 0
2006-06-27 Gatto John M (Director) Option Ex 4,500 .00 0
2006-06-27 Marcus George M (Director) Option Ex 2,500 .00 0
2006-06-02 Libarle Daniel (Director) Sale 4,000 30.72 122,872
2006-05-30 Seiler Donald H (Director) Option Ex 3,000 .00 0
2006-05-03 Marcus George M (Director) Buy 32,000 27.67 885,408
2006-05-02 Marcus George M (Director) Buy 40,000 27.62 1,104,720
2006-04-13 Marcus George M (Director) Option Ex 9,000 21.64 194,805
2006-02-27 Libarle Daniel (Director) Sale 1,500 27.56 41,343
2006-01-23 De Grosz Fred (Director) Option Ex 18,000 .00 0
2005-12-01 Randlett Thomas E (Director) Buy 1,000 27.08 27,080
2005-11-17 Kalkbrenner David L (Director) Sale 20,000 26.68 533,620
2005-09-09 Kalkbrenner David L (Director) Sale 4,883 25.80 125,971
2005-08-16 Libarle Daniel (Director) Sale 2,000 25.48 50,968

Insider trading activities including stock purchases, stock sales, and option exercises of GBBK listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Greater Bay Bancorp (symbol GBBK, CIK number 775473) see the Securities and Exchange Commission (SEC) website.



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