Insider trading

Period: 120 months Stock: BBIO Plan: Not on a plan × + Add filter Clear all
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When

Period

How far back the list reaches. Filings arrive days after the trade, so the newest rows always lag a little.

134 decisions over 120 months
Who

Role

The position the person holds at the company, read from the title on the filing. A chief executive who is also a director counts as the chief executive.

134 decisions over 120 months
The trade

Type of trade

Purchases, sales, or cluster buys: companies where 3 or more insiders bought within 30 days. The number beside each is what that choice would give.

134 decisions over 120 months
The trade

Minimum amount

Hides rows under this value. The amount is the shares traded times the price on the filing.

134 decisions over 120 months
The trade

Plan

  • Discretionary: they chose to sell that week.
  • Scheduled: a 10b5-1 plan fixed the sale months in advance, so the timing says nothing about what they knew.
  • Not stated: filed before the SEC added the box in April 2023, which is most of the older half of this database.
134 decisions over 120 months Remove this filter
The trade

Share of their own holding

How much of what they already held the trade moved. Selling a tenth of a stake is not the same act as selling all of it.

At least
134 decisions over 120 months
Ownership

What the chief executive holds

The value of the chief executive’s stock measured against base salary. The salary comes from the company’s own proxy. Companies with no figure are in neither direction.

134 decisions over 120 months
Stock
Insider
Type ?
Why it stands out
18 Nov 2025
Lo Andrew Director · indirect
Sold at will 2×
$3.61M 55,000 at 65.69
52.1%
Sold half or more
17 Nov 2025
Lo Andrew Director
Sold at will 2×
$2.71M 40,599 at 66.67
74.2%
Sold half or more
12 Nov 2025
Valantine Hannah Director
Sold at will
$1.68M 25,484 at 66.07
77.3%
Sold half or more
6 Nov 2025
DANIELS RONALD J Director
Sold at will
$3.89M 61,031 at 63.72
78.2%
Sold half or more
5 Sep 2025
MCCORMICK FRANK Director
Sold at will
$3.93M 74,000 at 53.16
47.1%
Not planned
21 Aug 2025
Trimarchi Thomas President and CFO
Sold at will
$2.09M 42,237 at 49.48
9.1%
Not planned
7 Aug 2025
Apuli Maricel Chief Accounting Officer
Sold at will
$45.44K 1,000 at 45.44
0.7%
Not planned
27 Jun 2025
VIKING GLOBAL INVESTORS LP 10% owner · indirect
Sold at will
$154.00M 3,500,000 at 44.00
15.9%
Not planned
26 Jun 2025
Valantine Hannah Director
Sold at will 2×
$106.50K 2,418 at 44.05
24.5%
Not planned
26 Jun 2025
Valantine Hannah Director · indirect
Sold at will 2×
$100.82K 2,289 at 44.05
85.2%
Sold half or more
12 May 2025
KKR Genetic Disorder L.P. 10% owner · indirect
Sold at will
$205.20M 6,000,000 at 34.20
31.2%
Not planned
2 May 2025
Lo Andrew Director · indirect
Sold at will
$3.85M 100,000 at 38.50
48.6%
Not planned
2 May 2025
Apuli Maricel Chief Accounting Officer
Sold at will
$39.51K 1,026 at 38.51
0.7%
Not planned
5 Mar 2025
KKR Genetic Disorder L.P. 10% owner · indirect
Sold at will
$197.76M 6,000,000 at 32.96
23.8%
Not planned
31 Jan 2025
VIKING GLOBAL INVESTORS LP 10% owner · indirect
Sold at will
$106.99M 3,065,616 at 34.90
12.2%
Not planned
13 Sep 2024
KKR Genetic Disorder L.P. 10% owner · indirect
Sold at will
$149.35M 5,800,000 at 25.75
18.7%
Not planned
18 Jul 2023
VIKING GLOBAL INVESTORS LP 10% owner · indirect
Sold at will
$52.50M 1,500,000 at 35.00
5.6%
Not planned
3 Mar 2023
Kumar Neil CEO and President · indirect
Sold, plan not stated
$1.32M 120,000 at 10.96
8.7%
3 Mar 2023
STEPHENSON BRIAN C Secretary, Treasurer & CFO
Sold, plan not stated
$687.15K 62,692 at 10.96
28.6%
17 Feb 2023
Kumar Neil CEO and President
Sold, plan not stated
$569.07K 44,798 at 12.70
0.9%
17 Feb 2023
STEPHENSON BRIAN C Secretary, Treasurer & CFO
Sold, plan not stated 2×
$225.07K 17,717 at 12.70
7.5%
3 Feb 2023
Kumar Neil CEO and President · indirect
Sold, plan not stated
$1.32M 120,000 at 11.01
8.0%
3 Feb 2023
STEPHENSON BRIAN C Secretary, Treasurer & CFO
Sold, plan not stated
$671.92K 61,040 at 11.01
21.8%
5 Jan 2023
Kumar Neil CEO and President · indirect
Sold, plan not stated
$920.86K 120,000 at 7.67
7.4%
5 Jan 2023
STEPHENSON BRIAN C Secretary, Treasurer & CFO
Sold, plan not stated
$468.47K 61,040 at 7.67
17.9%
21 Dec 2022
Kumar Neil CEO and President · indirect
Sold, plan not stated
no price 200,000 shares
16.7%
17 Nov 2022
Kumar Neil CEO and President
Sold, plan not stated
$325.61K 34,640 at 9.40
0.7%
17 Nov 2022
STEPHENSON BRIAN C Secretary, Treasurer & CFO
Sold, plan not stated
$184.99K 19,678 at 9.40
5.5%
15 Mar 2022
Ellis Andrea Director
Bought
$100.68K 12,000 at 8.39
opened
First buy on file
14 Mar 2022
Dachille Douglas A. Director · indirect
Bought
$81.93K 10,000 at 8.19
100%
+100% of stake
5 Jan 2022
Dachille Douglas A. Director · indirect
Bought
$79.55K 5,000 at 15.91
100%
+100% of stake
4 Jan 2022
Dachille Douglas A. Director · indirect
Bought
$84.10K 5,000 at 16.82
opened
First buy on file
30 Dec 2021
DANIELS RONALD J Director
Bought
$149.16K 10,402 at 14.34
opened
30 Dec 2021
Lo Andrew Director
Bought
$21.45K 1,500 at 14.30
3.2%
29 Dec 2021
MOMTAZEE JAMES C Director
Bought
$1.16M 80,000 at 14.50
942%
First buy on file
29 Dec 2021
Hassan Fred Director
Bought
$273.39K 19,300 at 14.17
opened
First buy on file
29 Dec 2021
SAUNDERS BRENT L Director
Bought
$254.88K 17,600 at 14.48
opened
First buy on file
29 Dec 2021
Lo Andrew Director
Bought
$77.40K 6,000 at 12.90
14.8%
First buy on file
29 Dec 2021
Valantine Hannah Director
Bought
$25.10K 1,764 at 14.23
opened
28 Dec 2021
DANIELS RONALD J Director
Sold, plan not stated
$150.34K 11,745 at 12.80
100%
Sold half or more
28 Dec 2021
DANIELS RONALD J Director
Bought
$149.51K 11,745 at 12.73
opened
First buy on file
28 Dec 2021
Valantine Hannah Director · indirect
Bought 2×
$44.48K 3,433 at 12.96
opened
First buy on file
4 Aug 2021
SCHELLER RICHARD H See Remarks
Sold, plan not stated
$733.32K 13,777 at 53.23
23.1%
17 Feb 2021
KKR Genetic Disorder L.P. 10% owner · indirect
Sold, plan not stated
$208.62M 3,450,000 at 60.47
10.0%
17 Feb 2021
Scott Randal W. Director
Bought
$1.00M 16,000 at 62.50
320%
First buy on file
17 Feb 2021
STEPHENSON BRIAN C See Remarks
Bought
$500.00K 8,000 at 62.50
2.7%
First buy on file
28 Dec 2020
Turtle Cameron See Remarks
Sold, plan not stated 2×
$1.36M 19,500 at 69.60
60.8%
Sold half or more
21 Dec 2020
SCHELLER RICHARD H See Remarks
Sold, plan not stated 2×
$3.95M 60,401 at 65.32
56.8%
Sold half or more
18 Dec 2020
SCHELLER RICHARD H See Remarks
Sold, plan not stated 2×
$1.95M 30,000 at 65.07
22.0%
15 Dec 2020
SCHELLER RICHARD H See Remarks
Sold, plan not stated 2×
$1.90M 31,443 at 60.38
18.7%
Showing 1–50 of 134. Page 1 of 3 Older →