T2 Biosystems, Inc.
Total Trades
24
Buys
5
Sells
14
Largest Trade
N/A
Insiders
7
Institutional Funds
2
Inst. Value
N/A
Activist Filings
20
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| CR Group L.P. | 10% Owner | SELL | $1M+ | 13.1M | $0.17 | Sep 29, 2023 |
| CR Group L.P. | 10% Owner | SELL | $1M+ | 5.4M | $0.20 | Sep 28, 2023 |
| CR Group L.P. | 10% Owner | SELL | $50K–$100K | 250K | $0.25 | Sep 27, 2023 |
| CR Group L.P. | 10% Owner | SELL | $1M+ | 5.1M | $0.26 | Sep 26, 2023 |
| CR Group L.P. | 10% Owner | SELL | $1M+ | 6.3M | $0.30 | Sep 26, 2023 |
| CR Group L.P. | 10% Owner | SELL | $1M+ | 7.8M | $0.31 | Sep 22, 2023 |
| CR Group L.P. | 10% Owner | SELL | $1M+ | 10.4M | $0.37 | Sep 21, 2023 |
| Gibbs Michael Terrence | General Counsel | SELL | <$1K | 239 | $0.48 | Apr 6, 2023 |
| Giffin Brett A. | Chief Commercial O… | EXERCISE | N/A | 1K | — | Mar 9, 2023 |
| Giffin Brett A. | Chief Commercial O… | SELL | <$1K | 537 | $0.65 | Mar 9, 2023 |
| Sprague John M | CFO | EXERCISE | N/A | 7K | — | Mar 9, 2023 |
| Sprague John M | CFO | SELL | $1K–$15K | 3K | $0.62 | Mar 9, 2023 |
| Gibbs Michael Terrence | General Counsel | EXERCISE | N/A | 7K | — | Mar 9, 2023 |
| Gibbs Michael Terrence | General Counsel | SELL | $1K–$15K | 4K | $0.62 | Mar 9, 2023 |
| Sperzel John J III | Chairman and CEO | SELL | $1K–$15K | 10K | $0.63 | Mar 9, 2023 |
| Sperzel John J III | Chairman and CEO | EXERCISE | N/A | 23K | — | Mar 9, 2023 |
| Giffin Brett A. | Chief Commercial O… | EXERCISE | N/A | 3K | — | Nov 22, 2022 |
| Giffin Brett A. | Chief Commercial O… | SELL | $1K–$15K | 1K | $1.79 | Nov 22, 2022 |
| Sperzel John J III | Chairman | BUY | $15K–$50K | 30K | $0.50 | Apr 11, 2022 |
| Barclay Alec | Chief Operations O… | BUY | $1K–$15K | 13K | $0.50 | Apr 11, 2022 |
| Gibbs Michael Terrence | General Counsel | BUY | $1K–$15K | 10K | $0.49 | Apr 11, 2022 |
| Sprague John M | CFO | BUY | $1K–$15K | 10K | $0.48 | Apr 11, 2022 |
| Giffin Brett A. | Chief Commercial O… | BUY | $1K–$15K | 11K | $0.49 | Apr 11, 2022 |
| Ahuja Aparna | Chief Medical Offi… | SELL | $15K–$50K | 62K | $0.48 | Jan 10, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 2 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| HORIZON FINANCIAL SERVICES, LLC | 9 | N/A | SH |
| Union Bancaire Privee, UBP SA | 1 | N/A | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Feb 14, 2025
5.3%
1.5M shares
SC 13G/A · Feb 14, 2025
5.3%
1.5M shares
SC 13G · Nov 14, 2024
8.0%
1.4M shares
SC 13G · Nov 7, 2024
5.7%
1.0M shares
SC 13G · Nov 7, 2024
5.7%
1.0M shares
SC 13G/A · Aug 16, 2024
4.3%
755K shares
SC 13G/A · Aug 16, 2024
4.3%
755K shares
SC 13D/A · May 13, 2024
69.5%
1.1B shares
SC 13D/A · May 7, 2024
65.4%
8.9M shares
SC 13D · Apr 19, 2024
46.7%
410.5M shares
SC 13G · Mar 11, 2024
7.1%
350K shares
SC 13G · Mar 11, 2024
7.1%
350K shares
SC 13G/A · Feb 14, 2024
0.5%
20K shares
SC 13G · Jul 13, 2023
19.9%
72.5M shares
SC 13G · Jun 22, 2023
8.0%
2.0M shares
SC 13G · Jun 22, 2023
0.0%
0 shares
SC 13G · Jun 16, 2023
17.3%
4.3M shares
SC 13G · Jun 14, 2023
14.7%
3.6M shares
SC 13G · Jun 12, 2023
9.9%
2.5M shares
SC 13G · Feb 21, 2023
6.2%
1.0M shares