Stock chart
Ticker: CLSN Exchange: NAS


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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
2025-01-28 2024-08-20 B Purchase

Braun Donald P

Non-Executive Director
25,000 +4187.6%
1.18
USD 29,480
25,000 +4187.6% 1.18 USD 29,480
2024-08-16 2024-08-15 B Purchase

Lindborg Stacy

President and CEO

Executive Director
25,000 +10.5%
0.98
USD 24,500
25,000 +10.5% 0.98 USD 24,500
2024-08-16 2024-08-15 B Purchase

Tardugno Michael H

Executive Chairman of Board

Executive Director
25,000 +7.6%
1.03
USD 25,750
25,000 +7.6% 1.03 USD 25,750
2022-04-12 2022-04-12 B Purchase

Tardugno Michael H

Chairman, President and CEO

Executive Director
4,000 +32.0%
3.53
USD 14,129
4,000 +32.0% 3.53 USD 14,129
2022-04-11 2022-04-08 B Purchase

Fritz Frederick J.

Non-Executive Director
5,000 +73.9%
4.05
USD 20,250
5,000 +73.9% 4.05 USD 20,250
2022-03-03 2022-03-02 B Purchase

Fritz Frederick J.

Non-Executive Director
2,000 +42.0%
4.69
USD 9,372
2,000 +42.0% 4.69 USD 9,372
2021-10-08 2021-10-07 B Purchase

Fritz Frederick J.

Non-Executive Director
20,000 +38.8%
0.88
USD 17,600
20,000 +38.8% 0.88 USD 17,600
2021-05-20 2021-05-17 B Purchase

Braun Donald P

Non-Executive Director
5,000 +1400.6%
1.07
USD 5,350
5,000 +1400.6% 1.07 USD 5,350
2020-02-28 2020-02-28 B Purchase

Martinez Alberto R Jr

Non-Executive Director
5,000 +12.5%
0.90
USD 4,500
5,000 +12.5% 0.90 USD 4,500
2019-11-20 2019-11-20 B Purchase

Martinez Alberto R Jr

6,000 +17.6%
1.42
USD 8,520
6,000 +17.6% 1.42 USD 8,520
2019-11-07 2019-11-06 B Purchase

Fritz Frederick J.

10,000 +24.1%
1.39
USD 13,876
10,000 +24.1% 1.39 USD 13,876
2019-11-04 2019-11-04 B Purchase

Martinez Alberto R Jr

Non-Executive Director
4,000 +13.3%
1.61
USD 6,440
4,000 +13.3% 1.61 USD 6,440
2019-08-02 2019-08-02 B Purchase

Fritz Frederick J.

Non-Executive Director
10,000 +31.8%
1.73
USD 17,300
10,000 +31.8% 1.73 USD 17,300
2019-07-25 2019-07-25 B Purchase

Martinez Alberto R Jr

6,000 +25.0%
1.76
USD 10,560
6,000 +25.0% 1.76 USD 10,560
2019-07-25 2019-07-24 B Purchase

Fritz Frederick J.

10,000 +46.5%
1.73
USD 17,300
10,000 +46.5% 1.73 USD 17,300
2019-06-19 2019-06-19 B Purchase

CHURCH JEFFREY WAYNE

CFO

5,000 +217.6%
1.89
USD 9,450
5,000 +217.6% 1.89 USD 9,450
2019-05-16 2019-05-16 B Purchase

Martinez Alberto R Jr

4,000 +20.0%
2.15
USD 8,600
4,000 +20.0% 2.15 USD 8,600
2019-05-16 2019-05-16 B Purchase

Tardugno Michael H

Chairman, President and CEO

Executive Director
5,000 +18.1%
2.16
USD 10,810
5,000 +18.1% 2.16 USD 10,810
2019-03-07 2019-03-06 B Purchase

Fritz Frederick J.

Non-Executive Director
3,300 +22.4%
2.13
USD 7,020
3,300 +22.4% 2.13 USD 7,020
2019-03-07 2019-03-06 B Purchase

Fritz Frederick J.

Non-Executive Director
3,400 +18.8%
2.13
USD 7,247
3,400 +18.8% 2.13 USD 7,247
2018-10-30 2018-10-29 B Purchase

Tardugno Michael H

Chairman, President and CEO

Executive Director
7,500 +37.1%
2.06
USD 15,484
7,500 +37.1% 2.06 USD 15,484
2018-10-03 2018-10-03 B Purchase

Hooper Robert W

Non-Executive Director
4,900 +23.6%
2.70
USD 13,230
4,900 +23.6% 2.70 USD 13,230
2018-10-03 2018-10-02 B Purchase

Hooper Robert W

Non-Executive Director
5,100 +32.5%
2.70
USD 13,770
5,100 +32.5% 2.70 USD 13,770
2018-09-21 2018-09-20 B Purchase

Fritz Frederick J.

Non-Executive Director
2,500 +20.4%
2.70
USD 6,750
2,500 +20.4% 2.70 USD 6,750
2018-09-21 2018-09-20 B Purchase

Fritz Frederick J.

Non-Executive Director
2,500 +16.0%
2.70
USD 6,750
2,500 +16.0% 2.70 USD 6,750
2018-08-15 2018-08-15 B Purchase

Fritz Frederick J.

Non-Executive Director
2,750 +28.9%
2.41
USD 6,628
2,750 +28.9% 2.41 USD 6,628
2018-08-15 2018-08-15 B Purchase

Fritz Frederick J.

Non-Executive Director
2,750 +21.4%
2.37
USD 6,518
2,750 +21.4% 2.37 USD 6,518
2018-04-09 2018-04-09 B Purchase

Tardugno Michael H

Chairman, President and CEO

Executive Director
2,500 +14.1%
2.30
USD 5,750
2,500 +14.1% 2.30 USD 5,750
2018-03-05 2018-03-05 B Purchase

Tardugno Michael H

Chairman, President and CEO

Executive Director
7,500 +73.5%
2.38
USD 17,840
7,500 +73.5% 2.38 USD 17,840
2018-02-22 2018-02-22 B Purchase

Martinez Alberto R Jr

Non-Executive Director
7,143 +55.6%
2.17
USD 15,500
7,143 +55.6% 2.17 USD 15,500
2018-03-02 2018-02-20 B Purchase

Hooper Robert W

13,625 +660.8%
2.18
USD 29,703
13,625 +660.8% 2.18 USD 29,703
2018-02-21 2018-02-20 B Purchase

Fritz Frederick J.

Non-Executive Director
3,000 +46.2%
2.17
USD 6,510
3,000 +46.2% 2.17 USD 6,510
2018-02-21 2018-02-20 B Purchase

Fritz Frederick J.

Non-Executive Director
3,000 +30.5%
2.17
USD 6,510
3,000 +30.5% 2.17 USD 6,510
2017-07-07 2017-07-07 B Purchase

Fritz Frederick J.

Non-Executive Director
6,500 +inf%
1.90
USD 12,350
6,500 +inf% 1.90 USD 12,350
2017-07-07 2017-07-07 B Purchase

Fritz Frederick J.

Non-Executive Director
6,500 +194.6%
1.88
USD 12,220
6,500 +194.6% 1.88 USD 12,220
2017-02-22 2017-02-21 B Purchase

Martinez Alberto R Jr

35,000 +24.1%
0.23
USD 8,050
35,000 +24.1% 0.23 USD 8,050
2017-02-16 2017-02-15 B Purchase

Martinez Alberto R Jr

45,000 +45.0%
0.22
USD 9,675
45,000 +45.0% 0.22 USD 9,675
2016-11-14 2016-11-14 B Purchase

Martinez Alberto R Jr

Non-Executive Director
10,000 +11.1%
0.86
USD 8,600
10,000 +11.1% 0.86 USD 8,600
2016-11-14 2016-11-11 B Purchase

Martinez Alberto R Jr

Non-Executive Director
10,000 +12.5%
0.91
USD 9,100
10,000 +12.5% 0.91 USD 9,100
2016-10-11 2016-10-07 B Purchase

Tardugno Michael H

Chairman, President and CEO

Executive Director
10,000 +7.5%
1.14
USD 11,400
10,000 +7.5% 1.14 USD 11,400
2016-08-17 2016-08-16 B Purchase

Tardugno Michael H

Chairman, President and CEO

Executive Director
5,000 +3.9%
1.25
USD 6,245
5,000 +3.9% 1.25 USD 6,245
2016-08-17 2016-08-16 B Purchase

Martinez Alberto R Jr

Non-Executive Director
5,000 +6.7%
1.25
USD 6,250
5,000 +6.7% 1.25 USD 6,250
2016-06-17 2016-06-17 B Purchase

Martinez Alberto R Jr

Non-Executive Director
5,000 +7.1%
1.35
USD 6,750
5,000 +7.1% 1.35 USD 6,750
2016-06-16 2016-06-16 B Purchase

Tardugno Michael H

Chairman, President and CEO

Executive Director
7,500 +6.2%
1.35
USD 10,125
7,500 +6.2% 1.35 USD 10,125
2016-02-19 2016-02-19 B Purchase

Tardugno Michael H

CEO

Executive Director
3,000 +2.6%
1.27
USD 3,806
3,000 +2.6% 1.27 USD 3,806
2016-02-17 2016-02-17 B Purchase

Tardugno Michael H

CEO

Executive Director
2,000 +1.7%
1.27
USD 2,536
2,000 +1.7% 1.27 USD 2,536
2016-02-16 2016-02-16 B Purchase

Tardugno Michael H

CEO

Executive Director
4,500 +4.1%
1.20
USD 5,396
4,500 +4.1% 1.20 USD 5,396
2016-02-16 2016-02-16 B Purchase

Martinez Alberto R Jr

Non-Executive Director
5,000 +7.7%
1.16
USD 5,800
5,000 +7.7% 1.16 USD 5,800
2016-02-12 2016-02-12 B Purchase

Tardugno Michael H

CEO

Executive Director
6,500 +6.2%
1.13
USD 7,313
6,500 +6.2% 1.13 USD 7,313
2015-12-04 2015-12-03 S Sale

EGWU, Inc. fka EGEN, Inc.

Large shareholder
5,556 -0.2%
2.08
USD 11,578
5,556 -0.2% 2.08 USD 11,578
2015-12-03 2015-12-01 S Sale

EGWU, Inc. fka EGEN, Inc.

Large shareholder
15,000 -0.6%
2.15
USD 32,202
15,000 -0.6% 2.15 USD 32,202
2015-12-01 2015-11-30 S Sale

EGWU, Inc. fka EGEN, Inc.

Large shareholder
20,000 -0.8%
2.15
USD 43,048
20,000 -0.8% 2.15 USD 43,048
2015-09-09 2015-09-08 S Sale

EGWU, Inc. fka EGEN, Inc.

Large shareholder
10,000 -0.4%
2.11
USD 21,121
10,000 -0.4% 2.11 USD 21,121
2015-08-19 2015-08-17 S Sale

EGWU, Inc. fka EGEN, Inc.

Large shareholder
10,000 -0.4%
2.19
USD 21,900
10,000 -0.4% 2.19 USD 21,900
2015-08-17 2015-08-13 S Sale

EGWU, Inc. fka EGEN, Inc.

Large shareholder
20,000 -0.8%
2.23
USD 44,500
20,000 -0.8% 2.23 USD 44,500
2015-08-11 2015-08-10 B Purchase

Tardugno Michael H

CEO

Executive Director
5,000 +6.7%
2.29
USD 11,425
5,000 +6.7% 2.29 USD 11,425
2015-08-07 2015-08-05 S Sale

EGWU, Inc. fka EGEN, Inc.

Large shareholder
10,000 -0.4%
2.26
USD 22,600
10,000 -0.4% 2.26 USD 22,600
2015-05-13 2015-05-13 B Purchase

Martinez Alberto R Jr

Non-Executive Director
5,000 +9.1%
2.50
USD 12,500
5,000 +9.1% 2.50 USD 12,500
2014-12-22 2014-12-18 B Purchase

Fritz Frederick J.

Non-Executive Director
4,000 +13.2%
2.34
USD 9,358
4,000 +13.2% 2.34 USD 9,358
2014-11-14 2014-11-13 B Purchase

Hooper Robert W

Non-Executive Director
4,000 +20.0%
2.50
USD 10,000
4,000 +20.0% 2.50 USD 10,000
2014-08-15 2014-08-15 B Purchase

Martinez Alberto R Jr

Non-Executive Director
5,000 +10.0%
3.12
USD 15,600
5,000 +10.0% 3.12 USD 15,600
2014-08-15 2014-08-15 B Purchase

Tardugno Michael H

CEO

Officer
4,000 +6.4%
3.12
USD 12,476
4,000 +6.4% 3.12 USD 12,476
2014-08-14 2014-08-14 B Purchase

Fritz Frederick J.

Non-Executive Director
4,000 +15.2%
3.20
USD 12,800
4,000 +15.2% 3.20 USD 12,800
2014-06-26 2014-06-26 B Purchase

Martinez Alberto R Jr

Non-Executive Director
5,000 +11.1%
3.36
USD 16,800
5,000 +11.1% 3.36 USD 16,800
2014-06-12 2014-06-11 B Purchase

Fritz Frederick J.

Non-Executive Director
5,000 +23.4%
3.20
USD 15,994
5,000 +23.4% 3.20 USD 15,994
2014-06-11 2014-06-11 B Purchase

Tardugno Michael H

CEO

Officer
5,000 +8.7%
3.20
USD 15,990
5,000 +8.7% 3.20 USD 15,990
2014-06-11 2014-06-11 B Purchase

Martinez Alberto R Jr

Non-Executive Director
5,000 +12.5%
3.20
USD 16,000
5,000 +12.5% 3.20 USD 16,000
2014-03-14 2014-03-14 B Purchase

Tardugno Michael H

President and CEO

Executive Director
4,000 +7.5%
3.84
USD 15,360
4,000 +7.5% 3.84 USD 15,360
2014-03-14 2014-03-14 B Purchase

Fritz Frederick J.

Non-Executive Director
2,500 +13.3%
3.86
USD 9,650
2,500 +13.3% 3.86 USD 9,650
2013-11-19 2013-11-19 B Purchase

Tardugno Michael H

President and CEO

Officer
2,800 +5.5%
3.59
USD 10,052
2,800 +5.5% 3.59 USD 10,052
2013-11-15 2013-11-15 B Purchase

Fritz Frederick J.

Non-Executive Director
3,000 +26.5%
3.80
USD 11,400
3,000 +26.5% 3.80 USD 11,400
2013-08-19 2013-08-16 B Purchase

Fritz Frederick J.

Non-Executive Director
10,000 +24.4%
1.09
USD 10,900
10,000 +24.4% 1.09 USD 10,900
2013-08-16 2013-08-16 B Purchase

Martinez Alberto R Jr

Non-Executive Director
5,000 +2.9%
1.07
USD 5,350
5,000 +2.9% 1.07 USD 5,350
2013-08-16 2013-08-16 B Purchase

Tardugno Michael H

CEO

Officer
5,000 +2.2%
1.08
USD 5,400
5,000 +2.2% 1.08 USD 5,400
2013-06-12 2013-06-12 B Purchase

Tardugno Michael H

CEO

Officer
10,000 +4.7%
1.35
USD 13,457
10,000 +4.7% 1.35 USD 13,457
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