Stock chart
Ticker: BSTG Exchange: OTC


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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
2025-01-02 2024-12-24 B Purchase

He Junli

CEO

Executive Director
2,299 +0.9%
2.87
USD 6,598
2,299 +0.9% 2.87 USD 6,598
2024-09-12 2024-08-27 B Purchase

He Junli

CEO

Executive Director
5,101 +2.0%
3.37
USD 17,190
5,101 +2.0% 3.37 USD 17,190
2024-07-02 2024-06-21 B Purchase

He Junli

CEO

Executive Director
1,600 +0.6%
2.80
USD 4,480
1,600 +0.6% 2.80 USD 4,480
2024-01-03 2023-12-27 B Purchase

He Junli

CEO

Executive Director
2,700 +1.1%
4.76
USD 12,852
2,700 +1.1% 4.76 USD 12,852
2023-12-18 2023-12-14 B Purchase

He Junli

CEO

Executive Director
900 +0.4%
4.92
USD 4,428
900 +0.4% 4.92 USD 4,428
2023-12-11 2023-12-06 B Purchase

He Junli

CEO

Executive Director
1,500 +0.6%
5.07
USD 7,605
1,500 +0.6% 5.07 USD 7,605
2023-09-18 2023-09-11 B Purchase

He Junli

CEO

Executive Director
1,500 +0.6%
5.43
USD 8,145
1,500 +0.6% 5.43 USD 8,145
2023-09-05 2023-08-28 B Purchase

He Junli

CEO

Executive Director
3,400 +1.4%
4.69
USD 15,946
3,400 +1.4% 4.69 USD 15,946
2023-08-23 2023-08-21 B Purchase

Shmerling James E.

Non-Executive Director
6,864 +40.6%
4.35
USD 29,858
6,864 +40.6% 4.35 USD 29,858
2023-08-28 2023-08-18 B Purchase

He Junli

CEO

Executive Director
8,000 +3.4%
4.32
USD 34,560
8,000 +3.4% 4.32 USD 34,560
2023-04-10 2023-04-06 B Purchase

DST Capital LLC

Large shareholder
62,500 +1.7%
6.00
USD 375,000
62,500 +1.7% 6.00 USD 375,000
2023-01-05 2022-12-12 S Sale

He Junli

Non-Executive Director
135 -0.1%
6.83
USD 922
135 -0.1% 6.83 USD 922
2022-12-09 2022-12-07 S Sale

Yu Hong

PRESIDENT

Officer
83,676 -27.3%
7.17
USD 599,957
83,676 -27.3% 7.17 USD 599,957
2022-12-09 2022-12-07 S Sale

Chen Jing

Non-Executive Director
48,532 -23.1%
7.17
USD 347,974
48,532 -23.1% 7.17 USD 347,974
2022-12-09 2022-12-07 S Sale

DST Capital LLC

Large shareholder
1,952 -0.1%
7.17
USD 13,996
1,952 -0.1% 7.17 USD 13,996
2022-05-23 2022-05-12 B Purchase

GREEN DAVID

Interim CEO

Executive Director
63,345 +66.3%
5.92
USD 375,002
63,345 +66.3% 5.92 USD 375,002
2022-05-23 2022-05-12 B Purchase

Shmerling James E.

Non-Executive Director
16,892 +inf%
5.92
USD 100,001
16,892 +inf% 5.92 USD 100,001
2022-05-19 2022-05-12 B Purchase

DST Capital LLC

Large shareholder
8,277 +0.2%
5.92
USD 49,000
8,277 +0.2% 5.92 USD 49,000
2021-11-30 2021-11-26 B Purchase

GREEN DAVID

Interim CEO

Executive Director
72,464 +314.4%
3.45
USD 250,001
72,464 +314.4% 3.45 USD 250,001
2021-06-21 2021-06-17 B Purchase

DST Capital LLC

Large shareholder
150,000 +5.0%
2.00
USD 300,000
150,000 +5.0% 2.00 USD 300,000
2018-07-16 2018-07-12 B Purchase

DST Capital LLC

Large shareholder
5,000 +19.4%
4.00
USD 20,000
5,000 +19.4% 4.00 USD 20,000
2018-07-03 2018-06-29 B Purchase

Du Xiaoyu

Large shareholder
250,000 +50.0%
3.60
USD 900,000
250,000 +50.0% 3.60 USD 900,000
2018-06-19 2018-06-15 B Purchase

McNaughton Thomas

Chief Financial Officer

Officer
2,500 +22.3%
4.40
USD 11,000
2,500 +22.3% 4.40 USD 11,000
2018-06-18 2018-06-15 B Purchase

Yu Hong

President

Officer
4,705 +11.8%
4.50
USD 21,173
4,705 +11.8% 4.50 USD 21,173
2018-06-18 2018-06-14 B Purchase

Yu Hong

President

Officer
14,645 +58.2%
4.39
USD 64,292
14,645 +58.2% 4.39 USD 64,292
2018-06-14 2018-06-13 B Purchase

Yu Hong

President

Officer
650 +2.7%
3.75
USD 2,438
650 +2.7% 3.75 USD 2,438
2018-06-14 2018-06-12 B Purchase

McGorry James Joseph

Chief Executive Officer

Executive Director
2,100 +26.4%
4.00
USD 8,400
2,100 +26.4% 4.00 USD 8,400
2018-06-14 2018-06-12 B Purchase

Yu Hong

President

Officer
22,000 +873.0%
3.82
USD 84,040
22,000 +873.0% 3.82 USD 84,040
2018-03-02 2018-02-28 B Purchase

DST Capital LLC

Large shareholder
10,000 +63.6%
3.26
USD 32,600
10,000 +63.6% 3.26 USD 32,600
2018-01-23 2018-01-22 B Purchase

DST Capital LLC

Large shareholder
1,572 +11.1%
2.67
USD 4,197
1,572 +11.1% 2.67 USD 4,197
2018-01-22 2018-01-19 B Purchase

DST Capital LLC

Large shareholder
3,700 +35.4%
2.60
USD 9,620
3,700 +35.4% 2.60 USD 9,620
2018-01-22 2018-01-17 B Purchase

DST Capital LLC

Large shareholder
5,000 +91.7%
2.20
USD 11,000
5,000 +91.7% 2.20 USD 11,000
2018-01-16 2018-01-12 B Purchase

DST Capital LLC

Large shareholder
5,000 +1111.1%
2.16
USD 10,800
5,000 +1111.1% 2.16 USD 10,800
2018-01-16 2018-01-11 B Purchase

DST Capital LLC

Large shareholder
200 +80.0%
1.90
USD 380
200 +80.0% 1.90 USD 380
2017-08-25 2017-08-24 B Purchase

LaFrancesca Saverio

President and CMO

Executive Director
100,000 +51.5%
0.37
USD 37,000
100,000 +51.5% 0.37 USD 37,000
2017-08-24 2017-08-23 B Purchase

LaFrancesca Saverio

President and CMO

Executive Director
150,000 +340.9%
0.32
USD 48,000
150,000 +340.9% 0.32 USD 48,000
2016-10-14 2016-10-12 B Purchase

DerSimonian Harout

Chief Scientific Officer

Officer
10,000 +inf%
0.91
USD 9,100
10,000 +inf% 0.91 USD 9,100
2016-08-29 2016-08-26 B Purchase

KENNEDY JOHN F

Non-Executive Director
16,182 +38.3%
0.93
USD 15,033
16,182 +38.3% 0.93 USD 15,033
2016-08-25 2016-08-25 B Purchase

McGorry James Joseph

President and CEO

Executive Director
25,000 +24.7%
0.96
USD 24,000
25,000 +24.7% 0.96 USD 24,000
2016-06-22 2016-06-21 B Purchase

McGorry James Joseph

President and CEO

Executive Director
20,000 +24.6%
1.07
USD 21,400
20,000 +24.6% 1.07 USD 21,400
2016-06-14 2016-06-13 B Purchase

Robinson Thomas H

Non-Executive Director
32,000 +177.8%
1.17
USD 37,475
32,000 +177.8% 1.17 USD 37,475
2016-05-26 2016-05-25 B Purchase

Canepa John J

Non-Executive Director
17,241 +inf%
1.46
USD 25,172
17,241 +inf% 1.46 USD 25,172
2016-05-23 2016-05-20 B Purchase

McNaughton Thomas

Chief Financial Officer

Officer
2,500 +1.2%
1.55
USD 3,875
2,500 +1.2% 1.55 USD 3,875
2016-05-23 2016-05-20 B Purchase

McGorry James Joseph

President and CEO

Executive Director
10,000 +14.0%
1.56
USD 15,600
10,000 +14.0% 1.56 USD 15,600
2016-05-23 2016-05-20 B Purchase

KENNEDY JOHN F

Non-Executive Director
6,500 +18.2%
1.56
USD 10,139
6,500 +18.2% 1.56 USD 10,139
2016-05-23 2016-05-20 B Purchase

McNaughton Thomas

Chief Financial Officer

Officer
2,500 +1.2%
1.56
USD 3,900
2,500 +1.2% 1.56 USD 3,900
2016-05-20 2016-05-19 B Purchase

Robinson Thomas H

Non-Executive Director
18,000 +inf%
1.36
USD 24,401
18,000 +inf% 1.36 USD 24,401
2015-12-18 2015-12-17 B Purchase

LaFrancesca Saverio

Chief Medical Officer

Officer
2,393 +5.8%
2.01
USD 4,817
2,393 +5.8% 2.01 USD 4,817
2015-12-18 2015-12-17 S Sale

LaFrancesca Saverio

Chief Medical Officer

Officer
2,393 -5.4%
1.93
USD 4,615
2,393 -5.4% 1.93 USD 4,615
2015-12-01 2015-12-01 B Purchase

KENNEDY JOHN F

Non-Executive Director
9,000 +33.7%
2.95
USD 26,525
9,000 +33.7% 2.95 USD 26,525
2015-12-01 2015-12-01 B Purchase

LaFrancesca Saverio

Chief Medical Officer

Officer
10,000 +29.4%
3.01
USD 30,052
10,000 +29.4% 3.01 USD 30,052
2015-11-19 2015-11-19 B Purchase

McNaughton Thomas

Chief Financial Officer

Officer
10,000 +5.2%
1.70
USD 17,000
10,000 +5.2% 1.70 USD 17,000
2015-11-19 2015-11-19 B Purchase

McGorry James Joseph

President and CEO

Executive Director
10,000 +16.3%
1.79
USD 17,900
10,000 +16.3% 1.79 USD 17,900
2015-11-18 2015-11-18 B Purchase

McNaughton Thomas

Chief Financial Officer

Officer
10,000 +5.5%
1.56
USD 15,600
10,000 +5.5% 1.56 USD 15,600
2015-11-17 2015-11-17 B Purchase

McNaughton Thomas

Chief Financial Officer

Officer
15,000 +9.0%
1.32
USD 19,800
15,000 +9.0% 1.32 USD 19,800
2015-11-17 2015-11-17 B Purchase

GREEN DAVID

Non-Executive Director
25,000 +8.7%
1.34
USD 33,500
25,000 +8.7% 1.34 USD 33,500
2015-09-21 2015-09-18 B Purchase

LaFrancesca Saverio

Chief Medical Officer

Officer
4,500 +15.3%
1.28
USD 5,760
4,500 +15.3% 1.28 USD 5,760
2015-09-21 2015-09-18 B Purchase

LaFrancesca Saverio

Chief Medical Officer

Officer
5,000 +20.4%
1.29
USD 6,450
5,000 +20.4% 1.29 USD 6,450
2015-09-01 2015-08-28 B Purchase

LaFrancesca Saverio

Chief Medical Officer

Officer
2,500 +21.3%
0.96
USD 2,400
2,500 +21.3% 0.96 USD 2,400
2015-08-27 2015-08-26 B Purchase

McNaughton Thomas

Chief Financial Officer

Officer
10,000 +6.4%
0.88
USD 8,800
10,000 +6.4% 0.88 USD 8,800
2015-08-24 2015-08-24 B Purchase

KENNEDY JOHN F

Non-Executive Director
12,000 +81.5%
0.83
USD 9,960
12,000 +81.5% 0.83 USD 9,960
2015-08-21 2015-08-21 B Purchase

McNaughton Thomas

Chief Financial Officer

Officer
25,000 +19.1%
0.76
USD 19,000
25,000 +19.1% 0.76 USD 19,000
2015-08-21 2015-08-21 B Purchase

McGorry James Joseph

President and CEO

Executive Director
26,300 +75.1%
0.75
USD 19,725
26,300 +75.1% 0.75 USD 19,725
2015-08-21 2015-08-20 B Purchase

McGorry James Joseph

President and CEO

Executive Director
5,000 +16.7%
0.66
USD 3,300
5,000 +16.7% 0.66 USD 3,300
2015-08-21 2015-08-19 B Purchase

McNaughton Thomas

Chief Financial Officer

Officer
75,000 +133.6%
0.62
USD 46,500
75,000 +133.6% 0.62 USD 46,500
2015-06-08 2015-06-04 B Purchase

KENNEDY JOHN F

Non-Executive Director
1,000 +7.3%
2.13
USD 2,130
1,000 +7.3% 2.13 USD 2,130
2015-06-03 2015-06-03 B Purchase

McNaughton Thomas

Interim CEO & CFO

Officer
5,000 +9.8%
2.01
USD 10,050
5,000 +9.8% 2.01 USD 10,050
2015-06-03 2015-06-03 B Purchase

GREEN DAVID

Non-Executive Director
23,400 +8.8%
1.98
USD 46,332
23,400 +8.8% 1.98 USD 46,332
2015-06-03 2015-06-03 B Purchase

KENNEDY JOHN F

Non-Executive Director
1,000 +7.9%
1.95
USD 1,950
1,000 +7.9% 1.95 USD 1,950
2015-07-07 2015-06-02 B Purchase

McGorry James Joseph

President and CEO

Executive Director
20,000 +200.0%
1.90
USD 38,000
20,000 +200.0% 1.90 USD 38,000
2015-06-03 2015-06-02 B Purchase

McNaughton Thomas

Interim CEO & CFO

Officer
8,000 +18.5%
1.80
USD 14,400
8,000 +18.5% 1.80 USD 14,400
2015-06-02 2015-06-02 B Purchase

GREEN DAVID

Non-Executive Director
26,600 +11.2%
1.81
USD 48,146
26,600 +11.2% 1.81 USD 48,146
2015-06-03 2015-06-01 B Purchase

McNaughton Thomas

Interim CEO & CFO

Officer
3,000 +7.5%
1.74
USD 5,220
3,000 +7.5% 1.74 USD 5,220
2015-06-02 2015-06-01 B Purchase

KENNEDY JOHN F

Non-Executive Director
10,000 +367.1%
1.67
USD 16,700
10,000 +367.1% 1.67 USD 16,700
2015-06-02 2015-05-29 B Purchase

La Francesca Saverio

Chief Medical Officer

Officer
5,000 +74.5%
1.85
USD 9,250
5,000 +74.5% 1.85 USD 9,250
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