Stock chart
Ticker: NSTG Exchange: NMS


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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
2023-05-30 2023-05-26 B Purchase

Bailey K Thomas

Chief Financial Officer

Officer
15,000 +24.8%
5.76
USD 86,445
15,000 +24.8% 5.76 USD 86,445
2023-05-30 2023-05-25 B Purchase

GRAY R BRADLEY

President and CEO

Executive Director
30,000 +9.7%
5.80
USD 174,000
30,000 +9.7% 5.80 USD 174,000
2023-05-26 2023-05-24 B Purchase

YOUNG WILLIAM

Non-Executive Director
35,400 +313.3%
5.69
USD 201,511
35,400 +313.3% 5.69 USD 201,511
2023-03-14 2023-03-13 B Purchase

WAITE CHARLES P JR

Non-Executive Director
12,000 +106.2%
8.35
USD 100,200
12,000 +106.2% 8.35 USD 100,200
2023-03-08 2023-03-07 B Purchase

Norden Gregory

Non-Executive Director
12,500 +110.6%
9.84
USD 123,000
12,500 +110.6% 9.84 USD 123,000
2022-12-14 2022-12-13 B Purchase

Bailey K Thomas

Chief Financial Officer

Officer
29,161 +150.5%
8.05
USD 234,746
29,161 +150.5% 8.05 USD 234,746
2022-12-14 2022-12-13 B Purchase

GRAY R BRADLEY

President and CEO

Executive Director
5,161 +1.9%
7.75
USD 39,998
5,161 +1.9% 7.75 USD 39,998
2022-12-14 2022-12-12 B Purchase

GRAY R BRADLEY

President and CEO

Executive Director
62,500 +30.9%
7.35
USD 459,375
62,500 +30.9% 7.35 USD 459,375
2022-06-21 2022-06-17 PS Planned sale

FINNEY ELISHA W

Non-Executive Director
1,945 -22.8%
12.41
USD 24,137
1,945 -22.8% 12.41 USD 24,137
2022-03-16 2022-03-15 S Sale

GRAY R BRADLEY

President and CEO

Executive Director
8,625 -4.1%
27.81
USD 239,844
8,625 -4.1% 27.81 USD 239,844
2022-03-16 2022-03-15 S Sale

BEECHEM JOSEPH M

SVP, Research & Development

Officer
2,436 -2.8%
27.81
USD 67,740
2,436 -2.8% 27.81 USD 67,740
2022-03-16 2022-03-15 S Sale

Bailey K Thomas

Chief Financial Officer

Officer
2,110 -9.8%
27.81
USD 58,675
2,110 -9.8% 27.81 USD 58,675
2022-03-11 2022-03-10 S Sale

Bailey K Thomas

Chief Financial Officer

Officer
5,000 -23.7%
33.81
USD 169,050
5,000 -23.7% 33.81 USD 169,050
2022-03-09 2022-03-08 S Sale

GRAY R BRADLEY

President and CEO

Executive Director
9,667 -4.9%
33.06
USD 319,630
9,667 -4.9% 33.06 USD 319,630
2022-03-09 2022-03-08 S Sale

BEECHEM JOSEPH M

SVP, Research & Development

Officer
2,968 -3.5%
33.06
USD 98,134
2,968 -3.5% 33.06 USD 98,134
2022-03-09 2022-03-08 S Sale

Bailey K Thomas

Chief Financial Officer

Officer
3,058 -12.7%
33.06
USD 101,110
3,058 -12.7% 33.06 USD 101,110
2022-02-28 2022-02-24 PS Planned sale

YOUNG WILLIAM

Non-Executive Director
1,413 -16.0%
34.18
USD 48,296
1,413 -16.0% 34.18 USD 48,296
2022-02-28 2022-02-24 PS Planned sale

YOUNG WILLIAM

Non-Executive Director
3,643 -29.2%
33.61
USD 122,441
3,643 -29.2% 33.61 USD 122,441
2022-02-28 2022-02-24 PS Planned sale

YOUNG WILLIAM

Non-Executive Director
4,273 -25.5%
32.40
USD 138,445
4,273 -25.5% 32.40 USD 138,445
2022-02-28 2022-02-24 PS Planned sale

YOUNG WILLIAM

Non-Executive Director
8,498 -33.7%
31.71
USD 269,472
8,498 -33.7% 31.71 USD 269,472
2022-02-28 2022-02-24 PS Planned sale

YOUNG WILLIAM

Non-Executive Director
1,716 -6.4%
30.68
USD 52,647
1,716 -6.4% 30.68 USD 52,647
2022-02-28 2022-02-24 PS Planned sale

YOUNG WILLIAM

Non-Executive Director
800 -2.9%
29.66
USD 23,728
800 -2.9% 29.66 USD 23,728
2021-11-19 2021-11-17 PS Planned sale

Bailey K Thomas

Chief Financial Officer

Officer
478 -100.0%
47.66
USD 22,781
478 -100.0% 47.66 USD 22,781
2021-11-19 2021-11-17 PS Planned sale

Bailey K Thomas

Chief Financial Officer

Officer
7,365 -93.9%
46.68
USD 343,798
7,365 -93.9% 46.68 USD 343,798
2021-11-12 2021-11-10 PS Planned sale

GRAY R BRADLEY

President and CEO

Executive Director
100 -0.1%
48.64
USD 4,864
100 -0.1% 48.64 USD 4,864
2021-11-12 2021-11-10 PS Planned sale

GRAY R BRADLEY

President and CEO

Executive Director
2,402 -1.9%
47.90
USD 115,058
2,402 -1.9% 47.90 USD 115,058
2021-11-12 2021-11-10 PS Planned sale

GRAY R BRADLEY

President and CEO

Executive Director
8,204 -6.1%
46.96
USD 385,275
8,204 -6.1% 46.96 USD 385,275
2021-11-12 2021-11-10 PS Planned sale

GRAY R BRADLEY

President and CEO

Executive Director
9,324 -6.5%
45.83
USD 427,273
9,324 -6.5% 45.83 USD 427,273
2021-11-12 2021-11-10 PS Planned sale

GRAY R BRADLEY

President and CEO

Executive Director
4,770 -3.2%
45.33
USD 216,244
4,770 -3.2% 45.33 USD 216,244
2021-11-12 2021-11-10 PS Planned sale

GRAY R BRADLEY

President and CEO

Executive Director
200 -0.1%
42.93
USD 8,585
200 -0.1% 42.93 USD 8,585
2021-06-17 2021-06-16 PS Planned sale

FINNEY ELISHA W

Non-Executive Director
2,760 -37.2%
58.70
USD 162,012
2,760 -37.2% 58.70 USD 162,012
2021-06-15 2021-06-14 PS Planned sale

Malloy Kirk

Non-Executive Director
168 -14.5%
60.05
USD 10,088
168 -14.5% 60.05 USD 10,088
2021-06-15 2021-06-11 PS Planned sale

BEECHEM JOSEPH M

SVP, Research & Development

Officer
24,678 -21.3%
59.74
USD 1,474,264
24,678 -21.3% 59.74 USD 1,474,264
2021-06-15 2021-06-11 PS Planned sale

BEECHEM JOSEPH M

SVP, Research & Development

Officer
107,149 -48.0%
58.76
USD 6,296,075
107,149 -48.0% 58.76 USD 6,296,075
2021-05-20 2021-05-18 PS Planned sale

Bailey K Thomas

Chief Financial Officer

Officer
2,209 -100.0%
51.80
USD 114,426
2,209 -100.0% 51.80 USD 114,426
2021-05-20 2021-05-18 PS Planned sale

Bailey K Thomas

Chief Financial Officer

Officer
1,950 -46.9%
51.19
USD 99,821
1,950 -46.9% 51.19 USD 99,821
2021-05-20 2021-05-18 PS Planned sale

Bailey K Thomas

Chief Financial Officer

Officer
698 -14.4%
50.11
USD 34,977
698 -14.4% 50.11 USD 34,977
2021-05-20 2021-05-18 PS Planned sale

Bailey K Thomas

Chief Financial Officer

Officer
372 -7.1%
48.37
USD 17,994
372 -7.1% 48.37 USD 17,994
2021-05-14 2021-05-12 PS Planned sale

GRAY R BRADLEY

President and CEO

Executive Director
100 -0.1%
55.70
USD 5,570
100 -0.1% 55.70 USD 5,570
2021-05-14 2021-05-12 PS Planned sale

GRAY R BRADLEY

President and CEO

Executive Director
2,934 -1.8%
55.03
USD 161,458
2,934 -1.8% 55.03 USD 161,458
2021-05-14 2021-05-12 PS Planned sale

GRAY R BRADLEY

President and CEO

Executive Director
5,534 -3.4%
53.98
USD 298,725
5,534 -3.4% 53.98 USD 298,725
2021-05-14 2021-05-12 PS Planned sale

GRAY R BRADLEY

President and CEO

Executive Director
12,870 -7.2%
52.95
USD 681,467
12,870 -7.2% 52.95 USD 681,467
2021-05-14 2021-05-12 PS Planned sale

GRAY R BRADLEY

President and CEO

Executive Director
11,895 -6.3%
51.90
USD 617,351
11,895 -6.3% 51.90 USD 617,351
2021-04-19 2021-04-15 PS Planned sale

HERSHBERG ROBERT

Non-Executive Director
118 -5.9%
74.20
USD 8,756
118 -5.9% 74.20 USD 8,756
2021-04-19 2021-04-15 PS Planned sale

HERSHBERG ROBERT

Non-Executive Director
19 -0.9%
72.87
USD 1,385
19 -0.9% 72.87 USD 1,385
2021-04-19 2021-04-15 PS Planned sale

HERSHBERG ROBERT

Non-Executive Director
7 -0.3%
71.75
USD 502
7 -0.3% 71.75 USD 502
2021-04-13 2021-03-25 S Sale

BROWN J. CHAD

SVP, Sales & Marketing

Officer
4,037 -100.0%
68.78
USD 277,665
4,037 -100.0% 68.78 USD 277,665
2021-04-13 2021-03-25 S Sale

BROWN J. CHAD

SVP, Sales & Marketing

Officer
911 -18.4%
68.78
USD 62,659
911 -18.4% 68.78 USD 62,659
2021-04-13 2021-03-18 S Sale

BEECHEM JOSEPH M

SVP, Research & Development

Officer
8,874 -10.0%
65.96
USD 585,329
8,874 -10.0% 65.96 USD 585,329
2021-04-13 2021-03-18 S Sale

GRAY R BRADLEY

President and CEO

Executive Director
21,684 -11.3%
65.96
USD 1,430,277
21,684 -11.3% 65.96 USD 1,430,277
2021-03-19 2021-03-17 PS Planned sale

Bailey K Thomas

Chief Financial Officer

Officer
1,665 -100.0%
68.52
USD 114,086
1,665 -100.0% 68.52 USD 114,086
2021-03-19 2021-03-17 PS Planned sale

Bailey K Thomas

Chief Financial Officer

Officer
2,501 -60.0%
67.49
USD 168,792
2,501 -60.0% 67.49 USD 168,792
2021-03-19 2021-03-17 PS Planned sale

Bailey K Thomas

Chief Financial Officer

Officer
2,127 -33.8%
66.23
USD 140,871
2,127 -33.8% 66.23 USD 140,871
2021-03-19 2021-03-17 PS Planned sale

Bailey K Thomas

Chief Financial Officer

Officer
17,621 -73.7%
65.43
USD 1,152,942
17,621 -73.7% 65.43 USD 1,152,942
2021-03-19 2021-03-17 PS Planned sale

Bailey K Thomas

Chief Financial Officer

Officer
3,418 -12.5%
64.40
USD 220,119
3,418 -12.5% 64.40 USD 220,119
2021-03-19 2021-03-17 PS Planned sale

Bailey K Thomas

Chief Financial Officer

Officer
1,281 -4.5%
63.30
USD 81,087
1,281 -4.5% 63.30 USD 81,087
2021-03-19 2021-03-17 PS Planned sale

BROWN J. CHAD

SVP, Sales & Marketing

Officer
4,754 -100.0%
64.20
USD 305,207
4,754 -100.0% 64.20 USD 305,207
2021-04-13 2021-03-16 S Sale

BEECHEM JOSEPH M

SVP, Research & Development

Officer
1,161 -1.3%
66.32
USD 76,998
1,161 -1.3% 66.32 USD 76,998
2021-04-13 2021-03-16 S Sale

GRAY R BRADLEY

President and CEO

Executive Director
5,179 -2.6%
66.32
USD 343,471
5,179 -2.6% 66.32 USD 343,471
2021-03-17 2021-03-15 PS Planned sale

HERSHBERG ROBERT

Non-Executive Director
1,214 -39.1%
67.16
USD 81,532
1,214 -39.1% 67.16 USD 81,532
2021-03-17 2021-03-15 PS Planned sale

HERSHBERG ROBERT

Non-Executive Director
282 -8.3%
66.03
USD 18,620
282 -8.3% 66.03 USD 18,620
2021-03-17 2021-03-15 PS Planned sale

HERSHBERG ROBERT

Non-Executive Director
4 -0.1%
63.58
USD 254
4 -0.1% 63.58 USD 254
2021-03-15 2021-03-12 PS Planned sale

BROWN J. CHAD

SVP, Sales & Marketing

Officer
9,050 -99.2%
64.66
USD 585,173
9,050 -99.2% 64.66 USD 585,173
2021-03-12 2021-03-10 S Sale

WAITE CHARLES P JR

Non-Executive Director
10,168 -84.3%
62.50
USD 635,500
10,168 -84.3% 62.50 USD 635,500
2021-03-12 2021-03-10 PS Planned sale

GRAY R BRADLEY

President and CEO

Executive Director
2,100 -1.7%
63.88
USD 134,148
2,100 -1.7% 63.88 USD 134,148
2021-03-12 2021-03-10 PS Planned sale

GRAY R BRADLEY

President and CEO

Executive Director
6,082 -4.7%
63.07
USD 383,592
6,082 -4.7% 63.07 USD 383,592
2021-03-12 2021-03-10 PS Planned sale

GRAY R BRADLEY

President and CEO

Executive Director
14,890 -10.2%
62.02
USD 923,478
14,890 -10.2% 62.02 USD 923,478
2021-03-12 2021-03-10 PS Planned sale

GRAY R BRADLEY

President and CEO

Executive Director
10,261 -6.6%
61.09
USD 626,844
10,261 -6.6% 61.09 USD 626,844
2021-03-10 2021-03-08 PS Planned sale

Malloy Kirk

Non-Executive Director
2,500 -71.6%
63.14
USD 157,850
2,500 -71.6% 63.14 USD 157,850
2021-02-18 2021-02-16 PS Planned sale

HERSHBERG ROBERT

Non-Executive Director
69 -3.5%
83.93
USD 5,791
69 -3.5% 83.93 USD 5,791
2021-02-18 2021-02-16 PS Planned sale

HERSHBERG ROBERT

Non-Executive Director
163 -7.7%
82.83
USD 13,501
163 -7.7% 82.83 USD 13,501
2021-02-18 2021-02-16 PS Planned sale

HERSHBERG ROBERT

Non-Executive Director
156 -6.8%
81.79
USD 12,759
156 -6.8% 81.79 USD 12,759
2021-02-18 2021-02-16 PS Planned sale

HERSHBERG ROBERT

Non-Executive Director
159 -6.5%
80.55
USD 12,807
159 -6.5% 80.55 USD 12,807
2021-02-18 2021-02-16 PS Planned sale

HERSHBERG ROBERT

Non-Executive Director
323 -11.7%
79.53
USD 25,688
323 -11.7% 79.53 USD 25,688
2021-02-18 2021-02-16 PS Planned sale

HERSHBERG ROBERT

Non-Executive Director
318 -10.3%
78.40
USD 24,931
318 -10.3% 78.40 USD 24,931
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