Stock chart
Ticker: SIEN Exchange: NSM


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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
2021-11-12 2021-11-10 S Sale

Van Hove Caroline F.

Executive Chairman

Non-Executive Director
6,087 -4.0%
5.67
USD 34,513
6,087 -4.0% 5.67 USD 34,513
2021-11-12 2021-11-10 S Sale

Menezes Ronald

President and CEO

Executive Director
78,498 -15.5%
5.67
USD 445,084
78,498 -15.5% 5.67 USD 445,084
2021-10-07 2021-10-05 S Sale

Bennett Oliver Christian

GC & Chief Compliance Officer

Officer
3,615 -4.5%
5.56
USD 20,099
3,615 -4.5% 5.56 USD 20,099
2021-08-12 2021-08-12 B Purchase

Schmidt Andrew C

Chief Financial Officer

Officer
1,449 +3.0%
6.89
USD 9,976
1,449 +3.0% 6.89 USD 9,976
2021-04-08 2021-04-06 S Sale

MILLER VALERIE J

VP, Controller and Interim CFO

Officer
1,508 -2.3%
7.13
USD 10,751
1,508 -2.3% 7.13 USD 10,751
2021-03-25 2021-03-12 S Sale

MILLER VALERIE J

VP, Controller and Interim CFO

Officer
1,582 -2.4%
7.49
USD 11,849
1,582 -2.4% 7.49 USD 11,849
2021-02-03 2021-02-02 S Sale

Little Paul Sean

Chief Financial Officer

Officer
4,123 -3.0%
4.91
USD 20,256
4,123 -3.0% 4.91 USD 20,256
2021-01-22 2021-01-20 S Sale

Bennett Oliver Christian

GC & Chief Compliance Officer

Officer
4,399 -5.9%
4.49
USD 19,752
4,399 -5.9% 4.49 USD 19,752
2021-01-20 2021-01-13 S Sale

Van Hove Caroline F.

Non-Executive Director
1,973 -1.4%
4.71
USD 9,301
1,973 -1.4% 4.71 USD 9,301
2020-02-20 2020-02-20 PS Planned sale

Nugent Jeffrey M

Chairman of the Board and CEO

Executive Director
63,557 -23.2%
5.91
USD 375,368
63,557 -23.2% 5.91 USD 375,368
2020-02-20 2020-02-19 PS Planned sale

Nugent Jeffrey M

Chairman of the Board and CEO

Executive Director
53,513 -16.4%
5.93
USD 317,113
53,513 -16.4% 5.93 USD 317,113
2020-02-20 2020-02-18 PS Planned sale

Nugent Jeffrey M

Chairman of the Board and CEO

Executive Director
16,506 -4.8%
6.00
USD 98,960
16,506 -4.8% 6.00 USD 98,960
2019-06-11 2019-06-07 B Purchase

Sullivan Keith J

20,869 +11.4%
5.75
USD 119,997
20,869 +11.4% 5.75 USD 119,997
2019-06-11 2019-06-07 B Purchase

Little Paul Sean

Chief Financial Officer

17,391 +22.4%
5.75
USD 99,998
17,391 +22.4% 5.75 USD 99,998
2019-06-11 2019-06-07 B Purchase

OBOYLE KEVIN C

8,696 +19.3%
5.75
USD 50,002
8,696 +19.3% 5.75 USD 50,002
2018-11-08 2018-11-06 PS Planned sale

Haines Timothy

Non-Executive Director
81,137 -3.3%
21.60
USD 1,752,559
81,137 -3.3% 21.60 USD 1,752,559
2018-11-08 2018-11-06 PS Planned sale

Haines Timothy

Non-Executive Director
8,514 -0.3%
21.13
USD 179,901
8,514 -0.3% 21.13 USD 179,901
2018-09-05 2018-08-31 S Sale

Nugent Jeffrey M

Chairman of the Board and CEO

Executive Director
1,852 -0.6%
24.90
USD 46,115
1,852 -0.6% 24.90 USD 46,115
2018-05-09 2018-05-07 B Purchase

Haines Timothy

Non-Executive Director
281,482 +12.8%
13.50
USD 3,800,007
281,482 +12.8% 13.50 USD 3,800,007
2018-05-09 2018-05-07 B Purchase

Abingworth LLP

281,482 +12.8%
13.50
USD 3,800,007
281,482 +12.8% 13.50 USD 3,800,007
2018-05-09 2018-05-07 B Purchase

SCHAISON PHILIPPE

Non-Executive Director
7,407 +24.4%
13.50
USD 99,995
7,407 +24.4% 13.50 USD 99,995
2018-05-09 2018-05-07 B Purchase

Williams Patrick F.

Chief Financial Officer & SVP

Officer
7,408 +14.8%
13.50
USD 100,008
7,408 +14.8% 13.50 USD 100,008
2018-05-09 2018-05-07 B Purchase

Nugent Jeffrey M

Chairman of the Board and CEO

Executive Director
1,852 +0.6%
13.50
USD 25,002
1,852 +0.6% 13.50 USD 25,002
2018-05-09 2018-05-07 B Purchase

Sullivan Keith J

Non-Executive Director
7,407 +6.5%
13.50
USD 99,995
7,407 +6.5% 13.50 USD 99,995
2018-05-09 2018-05-07 B Purchase

GREER R SCOTT

Non-Executive Director
11,111 +26.7%
13.50
USD 149,999
11,111 +26.7% 13.50 USD 149,999
2018-05-09 2018-05-07 B Purchase

OBOYLE KEVIN C

Non-Executive Director
7,407 +23.5%
13.50
USD 99,995
7,407 +23.5% 13.50 USD 99,995
2015-10-13 2015-10-12 S Sale

ORBIMED ADVISORS LLC

Large shareholder
2,785 -14.0%
5.98
USD 16,654
2,785 -14.0% 5.98 USD 16,654
2015-10-13 2015-10-12 S Sale

ORBIMED ADVISORS LLC

Large shareholder
285,106 -13.9%
5.98
USD 1,704,934
285,106 -13.9% 5.98 USD 1,704,934
2015-10-09 2015-10-09 S Sale

ORBIMED ADVISORS LLC

Large shareholder
2,041 -9.3%
7.03
USD 14,348
2,041 -9.3% 7.03 USD 14,348
2015-10-09 2015-10-09 S Sale

ORBIMED ADVISORS LLC

Large shareholder
210,668 -9.3%
7.03
USD 1,480,996
210,668 -9.3% 7.03 USD 1,480,996
2015-10-09 2015-10-08 S Sale

ORBIMED ADVISORS LLC

Large shareholder
3,837 -14.9%
7.24
USD 27,780
3,837 -14.9% 7.24 USD 27,780
2015-10-09 2015-10-08 S Sale

ORBIMED ADVISORS LLC

Large shareholder
396,163 -14.9%
7.24
USD 2,868,220
396,163 -14.9% 7.24 USD 2,868,220
2015-10-09 2015-10-07 S Sale

ORBIMED ADVISORS LLC

Large shareholder
454 -1.7%
7.36
USD 3,341
454 -1.7% 7.36 USD 3,341
2015-10-09 2015-10-07 S Sale

ORBIMED ADVISORS LLC

Large shareholder
53,446 -2.0%
7.36
USD 393,363
53,446 -2.0% 7.36 USD 393,363
2015-10-06 2015-10-06 S Sale

ORBIMED ADVISORS LLC

Large shareholder
59 -0.2%
7.80
USD 460
59 -0.2% 7.80 USD 460
2015-10-06 2015-10-06 S Sale

ORBIMED ADVISORS LLC

Large shareholder
6,941 -0.3%
7.80
USD 54,140
6,941 -0.3% 7.80 USD 54,140
2015-10-06 2015-10-05 S Sale

ORBIMED ADVISORS LLC

Large shareholder
1,163 -4.2%
8.19
USD 9,525
1,163 -4.2% 8.19 USD 9,525
2015-10-06 2015-10-05 S Sale

ORBIMED ADVISORS LLC

Large shareholder
136,937 -4.8%
8.19
USD 1,121,514
136,937 -4.8% 8.19 USD 1,121,514
2015-10-06 2015-10-02 S Sale

ORBIMED ADVISORS LLC

Large shareholder
403 -1.4%
10.34
USD 4,167
403 -1.4% 10.34 USD 4,167
2015-10-06 2015-10-02 S Sale

ORBIMED ADVISORS LLC

Large shareholder
47,497 -1.6%
10.34
USD 491,119
47,497 -1.6% 10.34 USD 491,119
2015-10-01 2015-10-01 S Sale

ORBIMED ADVISORS LLC

Large shareholder
400 -1.4%
10.34
USD 4,136
400 -1.4% 10.34 USD 4,136
2015-10-01 2015-10-01 S Sale

ORBIMED ADVISORS LLC

Large shareholder
47,100 -1.6%
10.34
USD 487,014
47,100 -1.6% 10.34 USD 487,014
2015-10-01 2015-09-30 S Sale

ORBIMED ADVISORS LLC

Large shareholder
369 -1.3%
10.17
USD 3,753
369 -1.3% 10.17 USD 3,753
2015-10-01 2015-09-30 S Sale

ORBIMED ADVISORS LLC

Large shareholder
43,471 -1.5%
10.17
USD 442,100
43,471 -1.5% 10.17 USD 442,100
2015-10-01 2015-09-29 S Sale

ORBIMED ADVISORS LLC

Large shareholder
89 -0.3%
10.08
USD 897
89 -0.3% 10.08 USD 897
2015-10-01 2015-09-29 S Sale

ORBIMED ADVISORS LLC

Large shareholder
10,469 -0.3%
10.08
USD 105,528
10,469 -0.3% 10.08 USD 105,528
2015-09-28 2015-09-28 S Sale

ORBIMED ADVISORS LLC

Large shareholder
89 -0.3%
10.30
USD 917
89 -0.3% 10.30 USD 917
2015-09-28 2015-09-28 S Sale

ORBIMED ADVISORS LLC

Large shareholder
10,513 -0.3%
10.30
USD 108,284
10,513 -0.3% 10.30 USD 108,284
2015-09-28 2015-09-25 S Sale

ORBIMED ADVISORS LLC

Large shareholder
311 -1.1%
11.07
USD 3,443
311 -1.1% 11.07 USD 3,443
2015-09-28 2015-09-25 S Sale

ORBIMED ADVISORS LLC

Large shareholder
66,489 -2.2%
11.07
USD 736,033
66,489 -2.2% 11.07 USD 736,033
2015-09-28 2015-09-25 S Sale

ORBIMED ADVISORS LLC

Large shareholder
800 -2.7%
10.07
USD 8,056
800 -2.7% 10.07 USD 8,056
2015-09-28 2015-09-25 S Sale

ORBIMED ADVISORS LLC

Large shareholder
64,400 -2.0%
10.07
USD 648,508
64,400 -2.0% 10.07 USD 648,508
2015-09-28 2015-09-24 S Sale

ORBIMED ADVISORS LLC

Large shareholder
8,152 -0.3%
11.00
USD 89,672
8,152 -0.3% 11.00 USD 89,672
2015-09-28 2015-09-24 S Sale

ORBIMED ADVISORS LLC

Large shareholder
148 -0.5%
11.00
USD 1,628
148 -0.5% 11.00 USD 1,628
2015-09-28 2015-09-24 S Sale

ORBIMED ADVISORS LLC

Large shareholder
6 -0.0%
9.78
USD 59
6 -0.0% 9.78 USD 59
2014-11-03 2014-10-29 B Purchase

Haines Timothy

Non-Executive Director Large shareholder
495,000 +29.0%
15.00
USD 7,425,000
495,000 +29.0% 15.00 USD 7,425,000
2014-10-31 2014-10-29 B Purchase

Abingworth LLP

Large shareholder
495,000 +29.0%
15.00
USD 7,425,000
495,000 +29.0% 15.00 USD 7,425,000
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