TTOO

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

InsiderTitleTypeValueSharesPriceDate
CR Group L.P.10% OwnerSELL$1M+13.1M$0.17Sep 29, 2023
CR Group L.P.10% OwnerSELL$1M+5.4M$0.20Sep 28, 2023
CR Group L.P.10% OwnerSELL$50K–$100K250K$0.25Sep 27, 2023
CR Group L.P.10% OwnerSELL$1M+5.1M$0.26Sep 26, 2023
CR Group L.P.10% OwnerSELL$1M+6.3M$0.30Sep 26, 2023
CR Group L.P.10% OwnerSELL$1M+7.8M$0.31Sep 22, 2023
CR Group L.P.10% OwnerSELL$1M+10.4M$0.37Sep 21, 2023
Gibbs Michael TerrenceGeneral CounselSELL<$1K239$0.48Apr 6, 2023
Giffin Brett A.Chief Commercial O…EXERCISEN/A1KMar 9, 2023
Giffin Brett A.Chief Commercial O…SELL<$1K537$0.65Mar 9, 2023
Sprague John MCFOEXERCISEN/A7KMar 9, 2023
Sprague John MCFOSELL$1K–$15K3K$0.62Mar 9, 2023
Gibbs Michael TerrenceGeneral CounselEXERCISEN/A7KMar 9, 2023
Gibbs Michael TerrenceGeneral CounselSELL$1K–$15K4K$0.62Mar 9, 2023
Sperzel John J IIIChairman and CEOSELL$1K–$15K10K$0.63Mar 9, 2023
Sperzel John J IIIChairman and CEOEXERCISEN/A23KMar 9, 2023
Giffin Brett A.Chief Commercial O…EXERCISEN/A3KNov 22, 2022
Giffin Brett A.Chief Commercial O…SELL$1K–$15K1K$1.79Nov 22, 2022
Sperzel John J IIIChairmanBUY$15K–$50K30K$0.50Apr 11, 2022
Barclay AlecChief Operations O…BUY$1K–$15K13K$0.50Apr 11, 2022
Gibbs Michael TerrenceGeneral CounselBUY$1K–$15K10K$0.49Apr 11, 2022
Sprague John MCFOBUY$1K–$15K10K$0.48Apr 11, 2022
Giffin Brett A.Chief Commercial O…BUY$1K–$15K11K$0.49Apr 11, 2022
Ahuja AparnaChief Medical Offi…SELL$15K–$50K62K$0.48Jan 10, 2022
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Institutional Ownership

13F filings as of Dec 31, 2025 · 2 funds holding

Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

Safier Jacob

SC 13G/A · Feb 14, 2025

5.3%

1.5M shares

Safier Jacob

SC 13G/A · Feb 14, 2025

5.3%

1.5M shares

Armistice Capital, LLC

SC 13G · Nov 14, 2024

8.0%

1.4M shares

JACOB SAFIER

SC 13G · Nov 7, 2024

5.7%

1.0M shares

JACOB SAFIER

SC 13G · Nov 7, 2024

5.7%

1.0M shares

JACOB SAFIER

SC 13G/A · Aug 16, 2024

4.3%

755K shares

JACOB SAFIER

SC 13G/A · Aug 16, 2024

4.3%

755K shares

Nathan D. Hukill 2.

SC 13D/A · May 13, 2024

69.5%

1.1B shares

Nathan D. Hukill

SC 13D/A · May 7, 2024

65.4%

8.9M shares

Nathan D. Hukill 2.

SC 13D · Apr 19, 2024

46.7%

410.5M shares

JACOB SAFIER

SC 13G · Mar 11, 2024

7.1%

350K shares

JACOB SAFIER

SC 13G · Mar 11, 2024

7.1%

350K shares

Lind Global Fund II LP

SC 13G/A · Feb 14, 2024

0.5%

20K shares

Nathan D. Hukill

SC 13G · Jul 13, 2023

19.9%

72.5M shares

Jason Carrick

SC 13G · Jun 22, 2023

8.0%

2.0M shares

John Markey

SC 13G · Jun 22, 2023

0.0%

0 shares

John Markey

SC 13G · Jun 16, 2023

17.3%

4.3M shares

John Markey

SC 13G · Jun 14, 2023

14.7%

3.6M shares

John Markey

SC 13G · Jun 12, 2023

9.9%

2.5M shares

Lind Global Fund II LP

SC 13G · Feb 21, 2023

6.2%

1.0M shares