SELECTA BIOSCIENCES INC
Total Trades
19
Buys
3
Sells
14
Largest Trade
N/A
Insiders
7
Institutional Funds
2
Inst. Value
$500K+
Activist Filings
18
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Brunn Carsten | President and CEO | SELL | $1K–$15K | 3K | $1.06 | Sep 26, 2023 |
| TRABER PETER G | Chief Medical Offi… | SELL | <$1K | 705 | $1.06 | Sep 26, 2023 |
| Brunn Carsten | President and CEO | SELL | $15K–$50K | 41K | $1.13 | Jan 6, 2023 |
| Johnston Lloyd P. | Chief Operations O… | SELL | $1K–$15K | 10K | $1.13 | Jan 6, 2023 |
| Kishimoto Takashi Kei | Chief Scientific O… | SELL | $1K–$15K | 10K | $1.13 | Jan 6, 2023 |
| TRABER PETER G | Chief Medical Offi… | SELL | $1K–$15K | 12K | $1.13 | Jan 6, 2023 |
| Brunn Carsten | President and CEO | SELL | $1K–$15K | 5K | $1.33 | Dec 7, 2022 |
| Brunn Carsten | President and CEO | SELL | $1K–$15K | 3K | $1.66 | Sep 30, 2022 |
| Brunn Carsten | President and CEO | EXERCISE | N/A | 11K | — | Sep 7, 2022 |
| Brunn Carsten | President and CEO | SELL | $1K–$15K | 5K | $1.85 | Sep 7, 2022 |
| COX CARRIE SMITH | Director | BUY | $100K–$500K | 130K | $1.15 | Jun 15, 2022 |
| BARABE TIMOTHY C | Director | BUY | $15K–$50K | 50K | $0.77 | May 11, 2022 |
| SPRINGER TIMOTHY A | Director | BUY | N/A | 6.7M | — | Apr 14, 2022 |
| Brunn Carsten | President and CEO | EXERCISE | N/A | 11K | — | Mar 3, 2022 |
| Brunn Carsten | President and CEO | SELL | $1K–$15K | 5K | $1.81 | Mar 3, 2022 |
| TRABER PETER G | Chief Medical Offi… | SELL | $1K–$15K | 3K | $3.09 | Jan 7, 2022 |
| Kishimoto Takashi Kei | Chief Scientific O… | SELL | $1K–$15K | 3K | $3.09 | Jan 7, 2022 |
| Johnston Lloyd P. | Chief Operations O… | SELL | $1K–$15K | 3K | $3.09 | Jan 7, 2022 |
| Brunn Carsten | President and CEO | SELL | $15K–$50K | 14K | $3.09 | Jan 7, 2022 |
Institutional Ownership
13F filings as of Sep 30, 2022 · 2 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| STATE STREET CORP | 424K | $500K+ | SH |
| BNP PARIBAS FINANCIAL MARKETS | 699 | $1K–$15K | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Jul 12, 2024
2.8%
59.5M shares
SC 13D/A · Apr 12, 2024
36.4%
6.5M shares
SC 13D/A · Apr 10, 2024
353.8M shares
SC 13D/A · Apr 10, 2024
77.0M shares
SC 13D/A · Mar 28, 2024
27.9%
194.2M shares
SC 13G/A · Mar 11, 2024
10.4%
16.9M shares
SC 13G/A · Feb 14, 2024
2.6%
4.1M shares
SC 13G/A · Feb 9, 2024
6.4%
1.0B shares
SC 13D · Nov 22, 2023
13.9%
26.1M shares
SC 13D · Nov 22, 2023
19.9%
39.3M shares
SC 13D/A · Nov 17, 2023
27.7%
192.9M shares
SC 13D/A · Sep 22, 2023
28.9%
44.4M shares
SC 13G · Jun 12, 2023
6.6%
10.2M shares
Mangrove Partners Master Fund, Ltd.
SC 13G/A · Feb 14, 2023
6.0%
9.4M shares
Mangrove Partners Master Fund, Ltd.
SC 13G · Jul 27, 2022
5.4%
8.4M shares
Mangrove Partners Master Fund, Ltd.
SC 13G · May 23, 2022
5.1%
8.0M shares
SC 13G · May 9, 2022
4.5%
6.8M shares
Biotechnology Value Fund, L.P.
SC 13G/A · Feb 14, 2022
1.0%
876K shares