bluebird bio, Inc.
Total Trades
30
Buys
0
Sells
28
Largest Trade
N/A
Insiders
9
Institutional Funds
1
Inst. Value
<$1K
Activist Filings
32
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Colvin Richard A | Chief Medical Offi… | SELL | <$1K | 19 | $9.24 | Jan 8, 2025 |
| Obenshain Andrew | President and CEO | SELL | $1K–$15K | 140 | $9.24 | Jan 8, 2025 |
| Klima Thomas J | See Remarks | SELL | <$1K | 1K | $0.53 | Oct 2, 2024 |
| Klima Thomas J | See Remarks | GRANT | N/A | 50K | — | Oct 2, 2024 |
| Obenshain Andrew | President and CEO | SELL | $15K–$50K | 35K | $0.53 | Oct 2, 2024 |
| Obenshain Andrew | President and CEO | GRANT | N/A | 130K | — | Oct 2, 2024 |
| Klima Thomas J | See Remarks | SELL | $1K–$15K | 4K | $0.97 | Jun 4, 2024 |
| Klima Thomas J | See Remarks | SELL | $1K–$15K | 3K | $0.90 | Feb 6, 2024 |
| Vittiglio Joseph | Chief Business & L… | SELL | $1K–$15K | 5K | $0.90 | Feb 6, 2024 |
| Obenshain Andrew | President and CEO | SELL | $1K–$15K | 2K | $0.90 | Feb 6, 2024 |
| Obenshain Andrew | President and CEO | SELL | $1K–$15K | 807 | $3.17 | Nov 3, 2023 |
| Colvin Richard A | Chief Medical Offi… | SELL | $1K–$15K | 2K | $2.98 | Nov 3, 2023 |
| Klima Thomas J | See Remarks | SELL | $1K–$15K | 922 | $3.79 | Sep 6, 2023 |
| Obenshain Andrew | President and CEO | SELL | $50K–$100K | 17K | $3.54 | Aug 10, 2023 |
| Klima Thomas J | See Remarks | SELL | $1K–$15K | 4K | $3.50 | Jun 6, 2023 |
| Leiderman Elisabeth | Director | SELL | $1K–$15K | 1K | $6.46 | Mar 9, 2023 |
| Obenshain Andrew | President and CEO | SELL | $15K–$50K | 3K | $7.80 | Jan 13, 2023 |
| Colvin Richard A | Chief Medical Offi… | SELL | $1K–$15K | 557 | $7.80 | Jan 13, 2023 |
| Leschly Nick | Director | SELL | $15K–$50K | 4K | $7.80 | Jan 13, 2023 |
| Colvin Richard A | Chief Medical Offi… | SELL | $1K–$15K | 218 | $6.41 | Nov 8, 2022 |
| Obenshain Andrew | President and CEO | SELL | $1K–$15K | 1K | $6.41 | Nov 8, 2022 |
| Cole Jason | Chief Strategy & F… | SELL | $50K–$100K | 14K | $5.53 | Aug 23, 2022 |
| Cole Jason | Chief Strategy & F… | SELL | $15K–$50K | 7K | $4.39 | Aug 8, 2022 |
| Obenshain Andrew | President and CEO | SELL | $50K–$100K | 22K | $4.39 | Aug 8, 2022 |
| Eggimann Anne-Virginie | Chief Regulatory O… | SELL | $1K–$15K | 1K | $4.95 | Jul 14, 2022 |
| Whitten Jessica | Chief Accounting O… | SELL | $1K–$15K | 409 | $9.57 | Jan 13, 2022 |
| Cole Jason | Chief Operating and | SELL | $15K–$50K | 5K | $9.57 | Jan 13, 2022 |
| Leschly Nick | Director | SELL | $50K–$100K | 7K | $9.57 | Jan 13, 2022 |
| Obenshain Andrew | President and CEO | SELL | $50K–$100K | 8K | $9.53 | Jan 13, 2022 |
| Whitten Jessica | Chief Accounting O… | SELL | $15K–$50K | 3K | $10.44 | Jan 7, 2022 |
Institutional Ownership
13F filings as of Jun 30, 2025 · 1 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| IFP Advisors, Inc | 7 | <$1K | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
Alyeska Investment Group, L.P.
SC 13G/A · Nov 14, 2024
0.0%
0 shares
Granahan Investment Management LLC
SC 13G/A · Nov 14, 2024
0.0%
0 shares
SC 13G/A · Nov 14, 2024
5.4%
10.5M shares
SC 13G/A · Nov 13, 2024
5.4%
10.5M shares
SC 13G/A · Nov 12, 2024
1.1%
2.2M shares
SC 13G · Nov 8, 2024
8.0%
15.4M shares
SC 13G/A · Nov 4, 2024
5.4%
10.5M shares
SC 13G/A · Nov 4, 2024
5.4%
10.5M shares
SC 13G · Oct 22, 2024
8.0%
15.4M shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G/A · Apr 10, 2024
1.8%
0 shares
SC 13G/A · Feb 14, 2024
1.9%
6 shares
SC 13G/A · Feb 14, 2024
0.9%
1.7M shares
Alyeska Investment Group, L.P.
SC 13G · Feb 14, 2024
6.3%
6.9M shares
Granahan Investment Management LLC
SC 13G · Feb 14, 2024
7.4%
8.1M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
4.6%
8.8M shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G/A · Jan 25, 2024
7.3%
0 shares
SC 13G/A · Jan 8, 2024
4.7%
9.0M shares
SC 13G · Apr 21, 2023
5.7%
6 shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G/A · Mar 10, 2023
11.0%
0 shares
SC 13G/A · Feb 14, 2023
5.6%
4.6M shares
SC 13G/A · Feb 3, 2023
0.0%
0 shares
SC 13G/A · Jan 25, 2023
8.9%
7.4M shares
SC 13G/A · Jan 12, 2023
1.2%
973K shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G/A · Oct 11, 2022
16.5%
0 shares
Wellington Management Group LLP
SC 13G/A · Sep 9, 2022
0.3%
244K shares
SC 13G · Aug 1, 2022
5.4%
3.9M shares
The Vanguard Group - 23-1945930
SC 13G/A · Jul 11, 2022
4.9%
3.5M shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G/A · Jul 11, 2022
2.5%
0 shares
SC 13G · Jun 3, 2022
5.2%
3.7M shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G/A · Apr 11, 2022
18.4%
0 shares
SC 13G · Jan 26, 2022
7.4%
5.2M shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G · Jan 10, 2022
10.9%
0 shares