Stock chart
Ticker: SERO Exchange: NSQ


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Earnings
Earnings
 
Value bought

Past 90 days

 
Value sold

Past 90 days

 
Net insiders buying

Past 90 days

 
Trades (buy and sell)

Past 90 days

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2006-03-15 2006-03-13 S Sale

GELBMAN RONALD G

Non-Executive Director
1,725 -29.2%
24.52
USD 42,297
1,725 -29.2% 24.52 USD 42,297
2006-03-15 2006-03-13 S Sale

WILCOX M DWAIN

Vice President

Officer
100 -0.6%
24.65
USD 2,465
100 -0.6% 24.65 USD 2,465
2006-03-15 2006-03-13 S Sale

WILCOX M DWAIN

Vice President

Officer
8,650 -35.8%
24.64
USD 213,136
8,650 -35.8% 24.64 USD 213,136
2005-12-20 2005-12-19 S Sale

OCONNELL DESMOND H JR

Non-Executive Director
12,500 -15.8%
19.12
USD 239,025
12,500 -15.8% 19.12 USD 239,025
2005-12-20 2005-12-19 B Purchase

OCONNELL DESMOND H JR

Non-Executive Director
12,500 +18.8%
4.69
USD 58,600
12,500 +18.8% 4.69 USD 58,600
2005-09-26 2005-09-22 S Sale

TILTON LAWRENCE E

Non-Executive Director
8,493 -38.4%
22.60
USD 191,955
8,493 -38.4% 22.60 USD 191,955
2005-09-22 2005-09-21 S Sale

COLLINS ROBERT P

Vice President

Officer
13,900 -55.7%
23.08
USD 320,781
13,900 -55.7% 23.08 USD 320,781
2005-09-22 2005-09-20 S Sale

COLLINS ROBERT P

Vice President

Officer
11,200 -64.6%
23.56
USD 263,862
11,200 -64.6% 23.56 USD 263,862
2005-09-21 2005-09-19 PS Planned sale

OCONNELL DESMOND H JR

Non-Executive Director
6,500 -11.4%
23.70
USD 154,050
6,500 -11.4% 23.70 USD 154,050
2005-09-21 2005-09-19 PS Planned sale

OCONNELL DESMOND H JR

Non-Executive Director
6,000 -10.6%
24.00
USD 144,000
6,000 -10.6% 24.00 USD 144,000
2005-09-19 2005-09-15 S Sale

LINTON JEFFREY D

President Chemicon Division

Officer
47,500 -73.9%
23.87
USD 1,134,006
47,500 -73.9% 23.87 USD 1,134,006
2005-09-09 2005-09-08 S Sale

BELLITT DAVID L

Vice President

Officer
12,000 -84.3%
25.13
USD 301,541
12,000 -84.3% 25.13 USD 301,541
2005-09-01 2005-08-31 S Sale

SHAW GEORGE M

Non-Executive Director
4,000 -25.6%
23.55
USD 94,200
4,000 -25.6% 23.55 USD 94,200
2005-09-01 2005-08-31 S Sale

SHAW GEORGE M

Non-Executive Director
4,000 -25.6%
23.57
USD 94,280
4,000 -25.6% 23.57 USD 94,280
2005-09-01 2005-08-31 S Sale

SHAW GEORGE M

Non-Executive Director
2,000 -14.7%
23.60
USD 47,200
2,000 -14.7% 23.60 USD 47,200
2005-09-01 2005-08-31 S Sale

SHAW GEORGE M

Non-Executive Director
2,000 -14.7%
23.60
USD 47,200
2,000 -14.7% 23.60 USD 47,200
2005-09-01 2005-08-31 S Sale

SHAW GEORGE M

Non-Executive Director
2,500 -17.7%
23.70
USD 59,250
2,500 -17.7% 23.70 USD 59,250
2005-08-17 2005-08-15 S Sale

TILTON LAWRENCE E

Non-Executive Director
15,000 -52.4%
23.01
USD 345,150
15,000 -52.4% 23.01 USD 345,150
2005-08-17 2005-08-15 S Sale

TILTON LAWRENCE E

Non-Executive Director
7,000 -34.0%
23.00
USD 161,000
7,000 -34.0% 23.00 USD 161,000
2005-07-29 2005-07-28 PS Planned sale

DODD DAVID A

President and CEO

Executive Director
16,750 -18.5%
23.04
USD 385,920
16,750 -18.5% 23.04 USD 385,920
2005-07-08 2005-07-06 PS Planned sale

DODD DAVID A

President and CEO

Executive Director
2,000 -2.6%
23.05
USD 46,100
2,000 -2.6% 23.05 USD 46,100
2005-07-05 2005-07-01 PS Planned sale

DODD DAVID A

President and CEO

Executive Director
56,250 -46.4%
20.75
USD 1,167,188
56,250 -46.4% 20.75 USD 1,167,188
2005-06-23 2005-06-21 PS Planned sale

OCONNELL DESMOND H JR

Non-Executive Director
12,500 -15.9%
20.70
USD 258,750
12,500 -15.9% 20.70 USD 258,750
2005-06-10 2005-06-08 PS Planned sale

MOUFFLET GERARD

Non-Executive Director
6,264 -19.2%
20.05
USD 125,593
6,264 -19.2% 20.05 USD 125,593
2005-04-08 2005-04-07 PS Planned sale

DODD DAVID A

President and CEO

Executive Director
22,500 -25.7%
25.00
USD 562,500
22,500 -25.7% 25.00 USD 562,500
2005-04-07 2005-04-06 PS Planned sale

DODD DAVID A

President and CEO

Executive Director
2,500 -3.7%
25.00
USD 62,500
2,500 -3.7% 25.00 USD 62,500
2005-04-06 2005-04-01 PS Planned sale

DODD DAVID A

President and CEO

Executive Director
81,250 -55.6%
24.09
USD 1,957,069
81,250 -55.6% 24.09 USD 1,957,069
2005-03-23 2005-03-21 PS Planned sale

OCONNELL DESMOND H JR

Non-Executive Director
12,500 -16.7%
24.90
USD 311,250
12,500 -16.7% 24.90 USD 311,250
2005-03-14 2005-03-10 PS Planned sale

DODD DAVID A

President and CEO

Executive Director
25,000 -28.3%
25.05
USD 626,250
25,000 -28.3% 25.05 USD 626,250
2005-01-20 2005-01-18 PS Planned sale

DODD DAVID A

President and CEO

Executive Director
18,750 -23.2%
23.00
USD 431,250
18,750 -23.2% 23.00 USD 431,250
2005-01-20 2005-01-18 PS Planned sale

DODD DAVID A

President and CEO

Executive Director
6,250 -9.2%
23.00
USD 143,750
6,250 -9.2% 23.00 USD 143,750
2005-01-05 2005-01-03 PS Planned sale

DODD DAVID A

President and CEO

Executive Director
56,250 -47.6%
21.62
USD 1,216,063
56,250 -47.6% 21.62 USD 1,216,063
2004-12-20 2004-12-20 PS Planned sale

OCONNELL DESMOND H JR

Non-Executive Director
12,500 -16.7%
23.00
USD 287,500
12,500 -16.7% 23.00 USD 287,500
2004-12-17 2004-12-16 B Purchase

THEODORE PHILIP A

Vice President

Officer
3,494 +34.4%
22.68
USD 79,244
3,494 +34.4% 22.68 USD 79,244
2004-10-06 2004-10-04 S Sale

WILCOX M DWAIN

Vice President

15,000 -51.4%
24.12
USD 361,730
15,000 -51.4% 24.12 USD 361,730
2004-10-06 2004-10-04 PS Planned sale

DODD DAVID A

President and CEO

Executive Director
81,250 -56.7%
24.06
USD 1,954,688
81,250 -56.7% 24.06 USD 1,954,688
2004-10-05 2004-10-01 S Sale

BELLITT DAVID L

Vice President

12,000 -84.3%
24.00
USD 288,000
12,000 -84.3% 24.00 USD 288,000
2004-09-28 2004-09-24 S Sale

CHRISTOFFERSEN RALPH E

Non-Executive Director
4,657 -47.4%
23.73
USD 110,511
4,657 -47.4% 23.73 USD 110,511
2004-09-28 2004-09-24 S Sale

CHRISTOFFERSEN RALPH E

Non-Executive Director
293 -5.4%
23.76
USD 6,962
293 -5.4% 23.76 USD 6,962
2004-09-21 2004-09-20 PS Planned sale

OCONNELL DESMOND H JR

Non-Executive Director
7,500 -10.8%
23.38
USD 175,350
7,500 -10.8% 23.38 USD 175,350
2004-09-21 2004-09-20 PS Planned sale

OCONNELL DESMOND H JR

Non-Executive Director
5,000 -7.4%
23.30
USD 116,500
5,000 -7.4% 23.30 USD 116,500
2004-09-17 2004-09-16 S Sale

WILCOX M DWAIN

Vice President

Officer
7,588 -34.8%
23.50
USD 178,318
7,588 -34.8% 23.50 USD 178,318
2004-09-15 2004-09-13 B Purchase

THEODORE PHILIP A

Vice President

Officer
4,000 +65.0%
23.00
USD 92,000
4,000 +65.0% 23.00 USD 92,000
2004-09-13 2004-09-10 PS Planned sale

DODD DAVID A

President and CEO

Executive Director
25,000 -28.7%
23.00
USD 575,000
25,000 -28.7% 23.00 USD 575,000
2004-09-13 2004-09-10 S Sale

SCHWARTZ SAMUEL R

Corporate Controller

Officer
8,250 -46.8%
22.53
USD 185,873
8,250 -46.8% 22.53 USD 185,873
2004-08-06 2004-08-05 PS Planned sale

DODD DAVID A

President and CEO

Executive Director
5,000 -9.8%
20.00
USD 100,000
5,000 -9.8% 20.00 USD 100,000
2004-08-04 2004-08-04 PS Planned sale

DODD DAVID A

President and CEO

Executive Director
36,250 -44.0%
20.00
USD 725,000
36,250 -44.0% 20.00 USD 725,000
2004-07-08 2004-07-08 B Purchase

KRAMER JAMES J

Vice President

130 +6.5%
18.90
USD 2,457
130 +6.5% 18.90 USD 2,457
2004-06-22 2004-06-21 PS Planned sale

OCONNELL DESMOND H JR

Non-Executive Director
12,500 -16.8%
19.47
USD 243,375
12,500 -16.8% 19.47 USD 243,375
2004-04-28 2004-04-27 S Sale

SUTTON JONES SUE

Vice President

Officer
10,000 -57.7%
19.92
USD 199,195
10,000 -57.7% 19.92 USD 199,195
2004-03-19 2004-03-19 PS Planned sale

OCONNELL DESMOND H JR

Non-Executive Director
12,500 -17.1%
20.45
USD 255,665
12,500 -17.1% 20.45 USD 255,665
2004-03-19 2004-03-19 S Sale

TILTON LAWRENCE E

Non-Executive Director
35,000 -63.5%
20.49
USD 717,255
35,000 -63.5% 20.49 USD 717,255
2004-03-15 2004-03-12 S Sale

WILCOX M DWAIN

Vice President

Officer
7,600 -36.9%
20.25
USD 153,900
7,600 -36.9% 20.25 USD 153,900
2004-02-25 2004-02-24 B Purchase

THEODORE PHILIP A

Vice President

135 +2.2%
17.96
USD 2,425
135 +2.2% 17.96 USD 2,425
2004-02-25 2004-02-24 B Purchase

THEODORE PHILIP A

Vice President

520 +9.5%
17.99
USD 9,355
520 +9.5% 17.99 USD 9,355
2004-01-08 2004-01-08 B Purchase

DODD DAVID A

President and CEO

Executive Director
600 +1.4%
17.09
USD 10,254
600 +1.4% 17.09 USD 10,254
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