Stock chart
Ticker: GBT Exchange: NSM


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Purchase Sale Planned purchase Planned sale Net purchase Net sale
Past 90 days
 
Value bought
 
Value sold
 
Net insiders buying
 
Trades (buy and sell)
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 Total value Details
2019-10-02 2019-10-01 PS Planned sale

SUVARI TRICIA BORGA

Chief Legal Officer

3,249 -19.4%
48.70
158,226 USD
3,249 -19.4% 48.70 158,226 USD
2019-09-13 2019-09-11 S Sale

Calhoun Lesley Ann

See Remarks

2,765 -75.7%
54.36
150,296 USD
2,765 -75.7% 54.36 150,296 USD
2019-02-14 2019-02-12 PS Planned sale

Calhoun Lesley Ann

See Remarks

Officer
354 -25.5%
50.45
17,860 USD
354 -25.5% 50.45 17,860 USD
2018-08-20 2018-08-17 S Sale

Calhoun Lesley Ann

See Remarks

Officer
300 -26.4%
49.19
14,756 USD
300 -26.4% 49.19 14,756 USD
2018-08-20 2018-08-16 S Sale

Calhoun Lesley Ann

See Remarks

Officer
1,500 -56.9%
50.01
75,020 USD
1,500 -56.9% 50.01 75,020 USD
2018-08-20 2018-08-16 S Sale

Calhoun Lesley Ann

See Remarks

Officer
204 -15.2%
49.97
10,194 USD
204 -15.2% 49.97 10,194 USD
2018-07-10 2018-07-09 S Sale

Calhoun Lesley Ann

See Remarks

Officer
2,295 -85.5%
44.27
101,609 USD
2,295 -85.5% 44.27 101,609 USD
2018-07-10 2018-07-06 S Sale

Calhoun Lesley Ann

See Remarks

Officer
1,000 -72.0%
44.01
44,005 USD
1,000 -72.0% 44.01 44,005 USD
2018-07-10 2018-07-06 S Sale

PATRICK DEVAL L

Non-Executive Director
42,379 -100.0%
43.40
1,839,283 USD
42,379 -100.0% 43.40 1,839,283 USD
2018-05-21 2018-05-17 PS Planned sale

Choi Jung

See Remarks

Officer
1,400 -1.0%
48.25
67,550 USD
1,400 -1.0% 48.25 67,550 USD
2018-05-21 2018-05-17 PS Planned sale

Choi Jung

See Remarks

Officer
1,600 -1.2%
48.25
77,200 USD
1,600 -1.2% 48.25 77,200 USD
2018-04-19 2018-04-17 PS Planned sale

Choi Jung

See Remarks

Officer
1,400 -1.0%
45.50
63,700 USD
1,400 -1.0% 45.50 63,700 USD
2018-04-19 2018-04-17 PS Planned sale

Choi Jung

See Remarks

Officer
1,600 -1.1%
45.50
72,800 USD
1,600 -1.1% 45.50 72,800 USD
2018-03-20 2018-03-16 PS Planned sale

Choi Jung

See Remarks

1,400 -1.0%
54.15
75,810 USD
1,400 -1.0% 54.15 75,810 USD
2018-03-20 2018-03-16 PS Planned sale

Choi Jung

See Remarks

1,600 -1.1%
54.15
86,640 USD
1,600 -1.1% 54.15 86,640 USD
2018-03-05 2018-03-05 S Sale

Calhoun Lesley Ann

See Remarks

Officer
99 -20.3%
60.35
5,975 USD
99 -20.3% 60.35 5,975 USD
2018-02-21 2018-02-16 PS Planned sale

Choi Jung

See Remarks

Officer
1,400 -1.0%
62.95
88,130 USD
1,400 -1.0% 62.95 88,130 USD
2018-02-21 2018-02-16 PS Planned sale

Choi Jung

See Remarks

Officer
1,600 -1.1%
62.95
100,720 USD
1,600 -1.1% 62.95 100,720 USD
2018-02-02 2018-02-01 PS Planned sale

Radovich Peter

See Remarks

Officer
812 -10.6%
57.30
46,528 USD
812 -10.6% 57.30 46,528 USD
2018-01-25 2018-01-23 PS Planned sale

Radovich Peter

See Remarks

Officer
30,000 -89.3%
60.00
1,800,000 USD
30,000 -89.3% 60.00 1,800,000 USD
2018-01-18 2018-01-17 PS Planned sale

Choi Jung

See Remarks

Officer
1,600 -1.2%
52.85
84,560 USD
1,600 -1.2% 52.85 84,560 USD
2018-01-18 2018-01-17 PS Planned sale

Choi Jung

See Remarks

Officer
1,400 -1.0%
52.85
73,990 USD
1,400 -1.0% 52.85 73,990 USD
2018-01-11 2018-01-10 PS Planned sale

Radovich Peter

See Remarks

Officer
15,000 -84.8%
50.00
750,000 USD
15,000 -84.8% 50.00 750,000 USD
2017-12-19 2017-12-19 B Purchase

PERCEPTIVE ADVISORS LLC

Major owner
175,000 +3.7%
38.00
6,650,000 USD
175,000 +3.7% 38.00 6,650,000 USD
2017-12-20 2017-12-18 PS Planned sale

Choi Jung

See Remarks

1,400 -1.0%
36.55
51,170 USD
1,400 -1.0% 36.55 51,170 USD
2017-12-20 2017-12-18 PS Planned sale

Choi Jung

See Remarks

1,600 -1.2%
36.55
58,480 USD
1,600 -1.2% 36.55 58,480 USD
2017-11-21 2017-11-17 PS Planned sale

Choi Jung

See Remarks

1,400 -1.0%
39.75
55,650 USD
1,400 -1.0% 39.75 55,650 USD
2017-11-21 2017-11-17 PS Planned sale

Choi Jung

See Remarks

1,600 -1.2%
39.75
63,600 USD
1,600 -1.2% 39.75 63,600 USD
2017-10-31 2017-10-30 PS Planned sale

Radovich Peter

Senior VP, Operations

12,500 -100.0%
35.00
437,500 USD
12,500 -100.0% 35.00 437,500 USD
2017-10-27 2017-10-27 S Sale

HOMCY CHARLES J

Non-Executive Director
15,600 -18.7%
34.09
531,770 USD
15,600 -18.7% 34.09 531,770 USD
2017-10-27 2017-10-26 S Sale

HOMCY CHARLES J

Non-Executive Director
54,400 -39.5%
33.93
1,845,781 USD
54,400 -39.5% 33.93 1,845,781 USD
2017-10-18 2017-10-17 PS Planned sale

Choi Jung

See Remarks

1,400 -1.0%
32.65
45,710 USD
1,400 -1.0% 32.65 45,710 USD
2017-10-18 2017-10-17 PS Planned sale

Choi Jung

See Remarks

1,600 -1.1%
32.65
52,240 USD
1,600 -1.1% 32.65 52,240 USD
2017-10-05 2017-10-04 S Sale

HOMCY CHARLES J

Non-Executive Director
0
0.00
0 USD
0 0.00 0 USD
2017-10-05 2017-10-04 S Sale

HOMCY CHARLES J

Non-Executive Director
0
0.00
0 USD
0 0.00 0 USD
2017-10-05 2017-10-04 S Sale

HOMCY CHARLES J

Non-Executive Director
0
0.00
0 USD
0 0.00 0 USD
2017-10-05 2017-10-04 S Sale

HOMCY CHARLES J

Non-Executive Director
0
0.00
0 USD
0 0.00 0 USD
2017-10-05 2017-10-03 S Sale

HOMCY CHARLES J

Non-Executive Director
0
0.00
0 USD
0 0.00 0 USD
2017-10-05 2017-10-03 S Sale

HOMCY CHARLES J

Non-Executive Director
0
0.00
0 USD
0 0.00 0 USD
2017-10-02 2017-09-29 PS Planned sale

Choi Jung

See Remarks

Officer
1,400 -1.0%
30.00
42,000 USD
1,400 -1.0% 30.00 42,000 USD
2017-10-02 2017-09-29 PS Planned sale

Choi Jung

See Remarks

Officer
1,600 -1.1%
30.00
48,000 USD
1,600 -1.1% 30.00 48,000 USD
2017-09-05 2017-08-31 PS Planned sale

Choi Jung

See Remarks

1,400 -1.0%
30.00
42,000 USD
1,400 -1.0% 30.00 42,000 USD
2017-09-05 2017-08-31 PS Planned sale

Choi Jung

See Remarks

1,600 -1.1%
30.00
48,000 USD
1,600 -1.1% 30.00 48,000 USD
2017-09-05 2017-08-31 PS Planned sale

Radovich Peter

See Remarks

2,410 -47.3%
30.00
72,300 USD
2,410 -47.3% 30.00 72,300 USD
2017-07-27 2017-07-25 S Sale

PATRICK DEVAL L

Non-Executive Director
27,053 -100.0%
29.69
803,204 USD
27,053 -100.0% 29.69 803,204 USD
2017-07-25 2017-07-21 PS Planned sale

Choi Jung

See Remarks

Officer
1,400 -1.0%
30.00
42,000 USD
1,400 -1.0% 30.00 42,000 USD
2017-07-25 2017-07-21 PS Planned sale

Choi Jung

See Remarks

Officer
1,600 -1.1%
30.00
48,000 USD
1,600 -1.1% 30.00 48,000 USD
2017-06-22 2017-06-02 S Sale

HOMCY CHARLES J

31,742 -18.7%
27.64
877,203 USD
31,742 -18.7% 27.64 877,203 USD
2017-06-22 2017-06-02 S Sale

HOMCY CHARLES J

49,959 -22.8%
26.92
1,344,921 USD
49,959 -22.8% 26.92 1,344,921 USD
2017-06-22 2017-06-01 S Sale

HOMCY CHARLES J

18,299 -7.7%
26.58
486,345 USD
18,299 -7.7% 26.58 486,345 USD
2017-04-10 2017-04-06 S Sale

TEPPER ROBERT I

Major owner
31,225 -12.0%
33.23
1,037,576 USD
31,225 -12.0% 33.23 1,037,576 USD
2017-03-06 2017-03-02 S Sale

HOMCY CHARLES J

Non-Executive Director
0
0.00
0 USD
0 0.00 0 USD
2017-03-06 2017-03-02 S Sale

HOMCY CHARLES J

Non-Executive Director
0
0.00
0 USD
0 0.00 0 USD
2017-03-06 2017-03-02 S Sale

Third Rock Ventures II, L.P.

Major owner
10,900 -6.9%
28.73
313,146 USD
10,900 -6.9% 28.73 313,146 USD
2017-03-06 2017-03-02 S Sale

Third Rock Ventures II, L.P.

Major owner
7,279 -4.4%
27.69
201,526 USD
7,279 -4.4% 27.69 201,526 USD
2017-03-06 2017-03-02 S Sale

Third Rock Ventures II, L.P.

Major owner
27,115 -14.2%
26.95
730,803 USD
27,115 -14.2% 26.95 730,803 USD
2017-03-06 2017-03-02 S Sale

Third Rock Ventures II, L.P.

Major owner
1,000,000 -77.8%
25.50
25,500,000 USD
1,000,000 -77.8% 25.50 25,500,000 USD
2017-03-06 2017-03-02 S Sale

Third Rock Ventures II, L.P.

Major owner
1,000,000 -13.4%
25.50
25,500,000 USD
1,000,000 -13.4% 25.50 25,500,000 USD
2016-12-20 2016-12-16 S Sale

STARR KEVIN P

Major owner
108,955 -56.9%
16.00
1,743,345 USD
108,955 -56.9% 16.00 1,743,345 USD
2016-11-16 2016-11-14 S Sale

HOMCY CHARLES J

Non-Executive Director
0
0.00
0 USD
0 0.00 0 USD
2016-11-16 2016-11-14 S Sale

Third Rock Ventures II, L.P.

Major owner
1,000,000 -43.8%
19.36
19,360,000 USD
1,000,000 -43.8% 19.36 19,360,000 USD
2016-11-16 2016-11-14 S Sale

HOMCY CHARLES J

Non-Executive Director
0
0.00
0 USD
0 0.00 0 USD
2016-11-16 2016-11-14 S Sale

Third Rock Ventures II, L.P.

Major owner
1,000,000 -9.5%
19.36
19,360,000 USD
1,000,000 -9.5% 19.36 19,360,000 USD
2016-01-07 2016-01-07 B Purchase

Schembri John

See Remarks

Officer
1,000 +200.0%
22.36
22,360 USD
1,000 +200.0% 22.36 22,360 USD
2015-12-23 2015-12-22 B Purchase

Ramos Eleanor

Chief Medical Officer

Officer
1,000 +10.0%
30.28
30,280 USD
1,000 +10.0% 30.28 30,280 USD
2016-01-07 2015-08-17 B Purchase

LOVE TED W

See Remarks

Executive Director
2,500 +inf%
20.00
50,000 USD
2,500 +inf% 20.00 50,000 USD
2016-01-07 2015-08-17 B Purchase

LOVE TED W

See Remarks

Executive Director
2,500 +inf%
20.00
50,000 USD
2,500 +inf% 20.00 50,000 USD
2016-01-07 2015-08-17 B Purchase

Sham Hing

SVP of Chemistry

Officer
2,000 +5.8%
20.00
40,000 USD
2,000 +5.8% 20.00 40,000 USD
2016-01-07 2015-08-17 B Purchase

Schembri John

See Remarks

Officer
500 +inf%
20.00
10,000 USD
500 +inf% 20.00 10,000 USD
2016-01-07 2015-08-17 B Purchase

PERRY MARK L

Non-Executive Director
5,000 +23.3%
20.00
100,000 USD
5,000 +23.3% 20.00 100,000 USD
2016-01-07 2015-08-17 B Purchase

LOVE TED W

See Remarks

Executive Director
5,000 +0.4%
20.00
100,000 USD
5,000 +0.4% 20.00 100,000 USD
2016-01-07 2015-08-17 B Purchase

Choi Jung

See Remarks

Officer
25,000 +17.5%
20.00
500,000 USD
25,000 +17.5% 20.00 500,000 USD
2016-01-07 2015-08-17 B Purchase

Radovich Peter

See Remarks

Officer
12,500 +inf%
20.00
250,000 USD
12,500 +inf% 20.00 250,000 USD
2016-01-07 2015-08-17 B Purchase

PATRICK DEVAL L

Non-Executive Director
2,500 +inf%
20.00
50,000 USD
2,500 +inf% 20.00 50,000 USD
2015-12-23 2015-08-17 B Purchase

Ramos Eleanor

Chief Medical Officer

Officer
10,000 +inf%
20.00
200,000 USD
10,000 +inf% 20.00 200,000 USD