Stock chart
Ticker: BBIO 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
2025-04-16 2025-04-14 PS Planned sale

Ellis Andrea

Non-Executive Director
1,000 -45.5%
35.00
USD 350,000
1,000 -45.5% 35.00 USD 100,000
2025-04-03 2025-04-01 PS Planned sale

Ellis Andrea

Non-Executive Director
1,000 -71.4%
34.05
USD 1,021,500
1,000 -71.4% 34.05 USD 100,000
2025-03-27 2025-03-25 PS Planned sale

Kumar Neil

Chief Executive Officer

Executive Director
75,000 -1.5%
36.87
USD 2,764,943
75,000 -1.5% 36.87 USD 2,764,943
2025-03-10 2025-03-06 PS Planned sale

Valantine Hannah

Non-Executive Director
12,875 -87.9%
32.58
USD 419,500
12,875 -87.9% 32.58 USD 419,500
2025-03-07 2025-03-05 S Sale

KKR Genetic Disorder L.P.

Large shareholder
6,000,000 -23.8%
32.96
USD 197,760,000
6,000,000 -23.8% 32.96 USD 197,760,000
2025-02-27 2025-02-25 PS Planned sale

STEPHENSON BRIAN C

CFO and Treasurer

Officer
100 -0.1%
34.18
USD 3,418
100 -0.1% 34.18 USD 3,418
2025-02-27 2025-02-25 PS Planned sale

STEPHENSON BRIAN C

CFO and Treasurer

Officer
8,400 -7.6%
33.18
USD 278,697
8,400 -7.6% 33.18 USD 278,697
2025-02-27 2025-02-25 PS Planned sale

Kumar Neil

Chief Executive Officer

Executive Director
37,101 -0.7%
33.79
USD 1,253,524
37,101 -0.7% 33.79 USD 1,253,524
2025-02-27 2025-02-25 PS Planned sale

Kumar Neil

Chief Executive Officer

Executive Director
37,899 -0.7%
33.36
USD 1,264,447
37,899 -0.7% 33.36 USD 1,264,447
2025-02-19 2025-02-19 PS Planned sale

STEPHENSON BRIAN C

Secretary, Treasurer & CFO

Officer
4,148 -3.9%
36.16
USD 149,973
4,148 -3.9% 36.16 USD 149,973
2025-02-19 2025-02-19 PS Planned sale

Kumar Neil

Chief Executive Officer

Executive Director
76 -0.0%
36.56
USD 2,779
76 -0.0% 36.56 USD 2,779
2025-02-19 2025-02-19 PS Planned sale

Kumar Neil

Chief Executive Officer

Executive Director
31,467 -12.9%
36.14
USD 1,137,246
31,467 -12.9% 36.14 USD 1,137,246
2025-01-31 2025-01-31 S Sale

VIKING GLOBAL INVESTORS LP

Large shareholder
3,065,616 -12.2%
34.90
USD 106,989,998
3,065,616 -12.2% 34.90 USD 106,989,998
2025-01-30 2025-01-29 PS Planned sale

Kumar Neil

Chief Executive Officer

Executive Director
4,000 -0.1%
36.82
USD 147,284
4,000 -0.1% 36.82 USD 147,284
2025-01-30 2025-01-29 PS Planned sale

Kumar Neil

Chief Executive Officer

Executive Director
269,068 -5.0%
36.34
USD 9,777,985
269,068 -5.0% 36.34 USD 9,777,985
2025-01-30 2025-01-28 PS Planned sale

STEPHENSON BRIAN C

Secretary, Treasurer & CFO

Officer
68,000 -42.0%
36.29
USD 2,467,761
68,000 -42.0% 36.29 USD 2,467,761
2025-01-30 2025-01-28 PS Planned sale

Kumar Neil

Chief Executive Officer

Executive Director
326,932 -5.7%
36.29
USD 11,863,381
326,932 -5.7% 36.29 USD 11,863,381
2024-11-20 2024-11-19 PS Planned sale

Kumar Neil

Chief Executive Officer

Executive Director
1,875 -0.0%
22.76
USD 42,680
1,875 -0.0% 22.76 USD 42,680
2024-11-20 2024-11-19 PS Planned sale

Kumar Neil

Chief Executive Officer

Executive Director
25,514 -0.5%
22.39
USD 571,146
25,514 -0.5% 22.39 USD 571,146
2024-11-20 2024-11-19 PS Planned sale

STEPHENSON BRIAN C

Secretary, Treasurer & CFO

Officer
4,156 -4.2%
22.41
USD 93,137
4,156 -4.2% 22.41 USD 93,137
2024-09-17 2024-09-13 S Sale

KKR Genetic Disorder L.P.

Large shareholder
5,800,000 -18.7%
25.75
USD 149,350,000
5,800,000 -18.7% 25.75 USD 149,350,000
2024-08-20 2024-08-19 PS Planned sale

Kumar Neil

Chief Executive Officer

Executive Director
11,197 -0.2%
25.13
USD 281,367
11,197 -0.2% 25.13 USD 281,367
2024-08-20 2024-08-19 PS Planned sale

Kumar Neil

Chief Executive Officer

Executive Director
16,192 -0.3%
24.39
USD 394,889
16,192 -0.3% 24.39 USD 394,889
2024-08-20 2024-08-19 PS Planned sale

STEPHENSON BRIAN C

Secretary, Treasurer & CFO

Officer
1,698 -2.0%
25.13
USD 42,669
1,698 -2.0% 25.13 USD 42,669
2024-08-20 2024-08-19 PS Planned sale

STEPHENSON BRIAN C

Secretary, Treasurer & CFO

Officer
2,457 -2.7%
24.39
USD 59,921
2,457 -2.7% 24.39 USD 59,921
2024-06-05 2024-06-04 PS Planned sale

Scott Randal W.

Non-Executive Director
1,500 -27.3%
31.30
USD 46,950
1,500 -27.3% 31.30 USD 46,950
2024-06-05 2024-06-03 PS Planned sale

Scott Randal W.

Non-Executive Director
200 -3.5%
29.48
USD 5,895
200 -3.5% 29.48 USD 5,895
2024-06-05 2024-06-03 PS Planned sale

Scott Randal W.

Non-Executive Director
800 -12.3%
28.68
USD 22,948
800 -12.3% 28.68 USD 22,948
2024-03-05 2024-03-01 PS Planned sale

Scott Randal W.

Non-Executive Director
2,500 -27.8%
34.00
USD 85,000
2,500 -27.8% 34.00 USD 85,000
2024-02-20 2024-02-15 PS Planned sale

Valantine Hannah

Non-Executive Director
2,915 -62.3%
37.75
USD 110,041
2,915 -62.3% 37.75 USD 110,041
2024-01-18 2024-01-16 PS Planned sale

Valantine Hannah

Non-Executive Director
2,915 -62.3%
37.97
USD 110,683
2,915 -62.3% 37.97 USD 110,683
2023-12-28 2023-12-26 PS Planned sale

MCCORMICK FRANK

Non-Executive Director
100,000 -13.7%
42.06
USD 4,206,000
100,000 -13.7% 42.06 USD 4,206,000
2023-12-20 2023-12-18 PS Planned sale

Scott Randal W.

Non-Executive Director
2,000 -18.2%
40.00
USD 80,000
2,000 -18.2% 40.00 USD 80,000
2023-12-19 2023-12-15 PS Planned sale

Valantine Hannah

Non-Executive Director
2,915 -62.3%
36.12
USD 105,290
2,915 -62.3% 36.12 USD 105,290
2023-12-05 2023-12-01 PS Planned sale

Scott Randal W.

Non-Executive Director
1,500 -12.0%
30.00
USD 45,000
1,500 -12.0% 30.00 USD 45,000
2023-12-05 2023-12-01 PS Planned sale

Scott Randal W.

Non-Executive Director
1,000 -7.4%
28.50
USD 28,500
1,000 -7.4% 28.50 USD 28,500
2023-11-20 2023-11-17 PS Planned sale

Kumar Neil

CEO and President

Executive Director
200 -0.0%
29.55
USD 5,910
200 -0.0% 29.55 USD 5,910
2023-11-20 2023-11-17 PS Planned sale

Kumar Neil

CEO and President

Executive Director
51,352 -1.1%
29.10
USD 1,494,128
51,352 -1.1% 29.10 USD 1,494,128
2023-11-20 2023-11-17 PS Planned sale

STEPHENSON BRIAN C

Secretary, Treasurer & CFO

Officer
22,685 -38.2%
29.10
USD 660,059
22,685 -38.2% 29.10 USD 660,059
2023-11-17 2023-11-15 PS Planned sale

Valantine Hannah

Non-Executive Director
2,915 -62.3%
30.00
USD 87,450
2,915 -62.3% 30.00 USD 87,450
2023-09-07 2023-09-05 PS Planned sale

Scott Randal W.

Non-Executive Director
2,500 -15.6%
30.00
USD 75,000
2,500 -15.6% 30.00 USD 75,000
2023-08-18 2023-08-17 PS Planned sale

STEPHENSON BRIAN C

Secretary, Treasurer & CFO

Officer
22,683 -38.2%
28.59
USD 648,455
22,683 -38.2% 28.59 USD 648,455
2023-08-18 2023-08-17 PS Planned sale

Kumar Neil

CEO and President

Executive Director
51,552 -1.1%
28.59
USD 1,473,784
51,552 -1.1% 28.59 USD 1,473,784
2023-07-19 2023-07-18 S Sale

VIKING GLOBAL INVESTORS LP

Large shareholder
1,500,000 -5.6%
35.00
USD 52,500,000
1,500,000 -5.6% 35.00 USD 52,500,000
2023-05-18 2023-05-17 PS Planned sale

STEPHENSON BRIAN C

Secretary, Treasurer & CFO

Officer
24,424 -40.1%
14.01
USD 342,168
24,424 -40.1% 14.01 USD 342,168
2023-05-18 2023-05-17 PS Planned sale

Kumar Neil

CEO and President

Executive Director
51,552 -1.1%
14.01
USD 722,218
51,552 -1.1% 14.01 USD 722,218
2023-05-05 2023-05-03 PS Planned sale

Kumar Neil

CEO and President

Executive Director
120,000 -10.6%
14.18
USD 1,701,744
120,000 -10.6% 14.18 USD 1,701,744
2023-05-05 2023-05-03 PS Planned sale

STEPHENSON BRIAN C

Secretary, Treasurer & CFO

Officer
64,929 -64.1%
14.18
USD 920,693
64,929 -64.1% 14.18 USD 920,693
2023-04-07 2023-04-05 PS Planned sale

Kumar Neil

CEO and President

Executive Director
120,000 -9.6%
15.46
USD 1,855,656
120,000 -9.6% 15.46 USD 1,855,656
2023-04-07 2023-04-05 PS Planned sale

STEPHENSON BRIAN C

Secretary, Treasurer & CFO

Officer
55,500 -35.4%
15.45
USD 857,697
55,500 -35.4% 15.45 USD 857,697
2023-03-03 2023-03-03 PS Planned sale

Kumar Neil

CEO and President

Executive Director
120,000 -8.7%
10.96
USD 1,315,224
120,000 -8.7% 10.96 USD 1,315,224
2023-03-03 2023-03-03 PS Planned sale

STEPHENSON BRIAN C

Secretary, Treasurer & CFO

Officer
62,692 -28.6%
10.96
USD 687,148
62,692 -28.6% 10.96 USD 687,148
2023-02-21 2023-02-17 PS Planned sale

Kumar Neil

CEO and President

Executive Director
44,798 -0.9%
12.70
USD 569,073
44,798 -0.9% 12.70 USD 569,073
2023-02-21 2023-02-17 PS Planned sale

STEPHENSON BRIAN C

Secretary, Treasurer & CFO

Officer
2,150 -1.0%
13.06
USD 28,089
2,150 -1.0% 13.06 USD 28,089
2023-02-21 2023-02-17 PS Planned sale

STEPHENSON BRIAN C

Secretary, Treasurer & CFO

Officer
15,567 -6.6%
12.65
USD 196,977
15,567 -6.6% 12.65 USD 196,977
2023-02-06 2023-02-03 PS Planned sale

STEPHENSON BRIAN C

Secretary, Treasurer & CFO

Officer
61,040 -21.8%
11.01
USD 671,922
61,040 -21.8% 11.01 USD 671,922
2023-02-06 2023-02-03 PS Planned sale

Kumar Neil

CEO and President

Executive Director
120,000 -8.0%
11.01
USD 1,320,696
120,000 -8.0% 11.01 USD 1,320,696
2023-01-06 2023-01-05 PS Planned sale

STEPHENSON BRIAN C

Secretary, Treasurer & CFO

Officer
61,040 -17.9%
7.67
USD 468,470
61,040 -17.9% 7.67 USD 468,470
2023-01-06 2023-01-05 PS Planned sale

Kumar Neil

CEO and President

Executive Director
120,000 -7.4%
7.67
USD 920,856
120,000 -7.4% 7.67 USD 920,856
2022-12-21 2022-12-21 S Sale

Kumar Neil

CEO and President

Executive Director
200,000
0.00
USD 0
200,000 0.00 USD 0
2022-11-18 2022-11-17 S Sale

Kumar Neil

CEO and President

Executive Director
34,640 -0.7%
9.40
USD 325,606
34,640 -0.7% 9.40 USD 325,606
2022-11-18 2022-11-17 S Sale

STEPHENSON BRIAN C

Secretary, Treasurer & CFO

Officer
19,678 -5.5%
9.40
USD 184,985
19,678 -5.5% 9.40 USD 184,985
2022-03-17 2022-03-15 B Purchase

Ellis Andrea

Non-Executive Director
12,000 +inf%
8.39
USD 100,680
12,000 +inf% 8.39 USD 100,680
2022-03-16 2022-03-14 B Purchase

Dachille Douglas A.

Non-Executive Director
10,000 +100.0%
8.19
USD 81,934
10,000 +100.0% 8.19 USD 81,934
2022-01-06 2022-01-05 B Purchase

Dachille Douglas A.

Non-Executive Director
5,000 +100.0%
15.91
USD 79,550
5,000 +100.0% 15.91 USD 79,550
2022-01-06 2022-01-04 B Purchase

Dachille Douglas A.

Non-Executive Director
5,000 +inf%
16.82
USD 84,100
5,000 +inf% 16.82 USD 84,100
2022-01-03 2021-12-30 B Purchase

Lo Andrew

Non-Executive Director
1,500 +3.2%
14.30
USD 21,450
1,500 +3.2% 14.30 USD 21,450
2022-01-03 2021-12-29 B Purchase

MOMTAZEE JAMES C

Non-Executive Director
80,000 +942.2%
14.50
USD 1,160,000
80,000 +942.2% 14.50 USD 1,160,000
2022-01-03 2021-12-29 B Purchase

Lo Andrew

Non-Executive Director
6,000 +14.8%
12.90
USD 77,400
6,000 +14.8% 12.90 USD 77,400
2022-01-03 2021-12-29 B Purchase

Hassan Fred

Non-Executive Director
19,300 +inf%
14.17
USD 273,390
19,300 +inf% 14.17 USD 273,390
2022-01-03 2021-12-29 B Purchase

Valantine Hannah

Non-Executive Director
1,764 +inf%
14.23
USD 25,102
1,764 +inf% 14.23 USD 25,102
2022-01-03 2021-12-29 B Purchase

SAUNDERS BRENT L

Non-Executive Director
17,600 +inf%
14.48
USD 254,880
17,600 +inf% 14.48 USD 254,880
2024-02-13 2021-12-28 B Purchase

Valantine Hannah

Non-Executive Director
1,542 +81.5%
12.68
USD 19,553
1,542 +81.5% 12.68 USD 19,553
2024-02-13 2021-12-28 B Purchase

Valantine Hannah

Non-Executive Director
1,891 +inf%
13.18
USD 24,923
1,891 +inf% 13.18 USD 24,923
2021-02-18 2021-02-17 B Purchase

STEPHENSON BRIAN C

See Remarks

Officer
8,000 +2.7%
62.50
USD 500,000
8,000 +2.7% 62.50 USD 500,000
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