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T2 Biosystems (TTOO) 10K Form and Latest SEC Filings 2026

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$0.0006 +0.00 (+200.00%)
As of 09/18/2026 02:39 PM Eastern

Latest T2 Biosystems SEC Filings & Recent Activity

T2 Biosystems (NASDAQ:TTOO) has submitted 364+ documents to the U.S. Securities and Exchange Commission (SEC) since 2017. For investors, these filings are the primary source of verified financial data — covering everything from annual revenue and debt levels in the 10-K, to material business events in 8-K current reports, to insider buying and selling activity in Form 4 disclosures. The most recent filing was a Form NT 10-K submitted on April 1, 2025.

DateFilerForm TypeView
04/01/2025 8:00 AM
T2 Biosystems (1492674) Filer
Form NT 10-K
02/20/2025 8:00 AM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
02/14/2025 3:30 PM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
02/13/2025 8:22 PM
Safier Jacob (1381740) Filed by
T2 Biosystems (1492674) Subject
Form SCHEDULE 13G/A
02/13/2025 8:24 PM
JSAF Holdings, LLC (2034632) Filed by
T2 Biosystems (1492674) Subject
Form SCHEDULE 13G/A
02/11/2025 8:00 AM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/21/2025 4:19 PM
T2 Biosystems (1492674) Filer
Form DEF 14A
01/17/2025 8:23 AM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/08/2025 4:16 PM
T2 Biosystems (1492674) Filer
Form PRE 14A
01/07/2025 8:05 AM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/03/2025 3:30 PM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
01/02/2025 5:58 PM
LIEBMAN SEYMOUR (1252287) Reporting
T2 Biosystems (1492674) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
01/02/2025 5:46 PM
Adams Laura Lee (1891764) Reporting
T2 Biosystems (1492674) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
01/02/2025 5:55 PM
Giffin Brett A. (1892921) Reporting
T2 Biosystems (1492674) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
01/02/2025 5:28 PM
CUMMING JOHN W (1181189) Reporting
T2 Biosystems (1492674) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
01/02/2025 5:07 PM
Sprague John M (1730056) Reporting
T2 Biosystems (1492674) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
01/02/2025 5:11 PM
Elsbree David B (1292650) Reporting
T2 Biosystems (1492674) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
01/02/2025 5:13 PM
Sperzel John J III (1602618) Reporting
T2 Biosystems (1492674) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
01/02/2025 5:16 PM
T2 Biosystems (1492674) Issuer
Toft Robin (1815565) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
01/02/2025 5:18 PM
Saunders Ninfa (1815499) Reporting
T2 Biosystems (1492674) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
01/02/2025 5:20 PM
Gibbs Michael Terrence (1665000) Reporting
T2 Biosystems (1492674) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
12/13/2024 8:00 AM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/09/2024 8:02 AM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/15/2024 8:54 AM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/08/2024 4:00 PM
T2 Biosystems (1492674) Filer
Form PRE 14A
11/08/2024 8:30 AM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/06/2024 8:01 PM
Safier Jacob (1381740) Filed by
T2 Biosystems (1492674) Subject
Form SC 13G
11/06/2024 8:02 PM
JSAF Holdings, LLC (2034632) Filed by
T2 Biosystems (1492674) Subject
Form SC 13G
10/16/2024 3:59 PM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
10/07/2024 8:00 AM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
09/20/2024 7:59 AM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
09/17/2024 4:00 PM
Elsbree David B (1292650) Reporting
T2 Biosystems (1492674) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
09/16/2024 8:16 AM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
09/13/2024 9:31 AM
Elsbree David B (1292650) Reporting
T2 Biosystems (1492674) Subject
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
09/09/2024 8:10 AM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/23/2024 3:31 PM
T2 Biosystems (1492674) Filer
Form 424B5
08/15/2024 7:26 PM
New Dimensions Trading (1381550) Filed by
T2 Biosystems (1492674) Subject
Form SC 13G/A
08/15/2024 7:24 PM
Safier Jacob (1381740) Filed by
T2 Biosystems (1492674) Subject
Form SC 13G/A
08/08/2024 3:49 PM
T2 Biosystems (1492674) Filer
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
07/29/2024 11:15 PM
T2 Biosystems (1492674) Filer
Form EFFECT
07/29/2024 4:00 PM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
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07/19/2024 4:04 PM
T2 Biosystems (1492674) Filer
Form S-3
Registration statement under Securities Act of 1933  
07/19/2024 3:16 PM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/04/2024 11:15 PM
T2 Biosystems (1492674) Filer
Form EFFECT
05/24/2024 8:04 PM
T2 Biosystems (1492674) Filer
Form S-3
Registration statement under Securities Act of 1933  
05/22/2024 3:49 PM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/20/2024 6:00 AM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/14/2024 3:55 PM
T2 Biosystems (1492674) Filer
Form RW
05/14/2024 3:43 PM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/13/2024 6:21 PM
CR Group L.P. (1702352) Filed by
T2 Biosystems (1492674) Subject
Form SC 13D/A
05/13/2024 5:19 PM
CR Group L.P. (1702352) Reporting
CRG Partners III (0) Cayman
CRG Partners III L.P. (1637591) Reporting
T2 Biosystems (1492674) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
05/07/2024 8:29 PM
T2 Biosystems (1492674) Subject
Form FWP
05/07/2024 6:46 PM
CR Group L.P. (1702352) Filed by
T2 Biosystems (1492674) Subject
Form SC 13D/A
05/07/2024 3:57 PM
CR Group L.P. (1702352) Reporting
CRG Partners III (0) Cayman
CRG Partners III L.P. (1637591) Reporting
T2 Biosystems (1492674) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
05/06/2024 8:38 PM
T2 Biosystems (1492674) Subject
Form FWP
05/06/2024 8:40 PM
T2 Biosystems (1492674) Subject
Form FWP
05/06/2024 4:19 PM
T2 Biosystems (1492674) Filer
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
05/06/2024 4:24 PM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/06/2024 4:27 PM
T2 Biosystems (1492674) Filer
Form S-1/A
05/06/2024 6:48 AM
T2 Biosystems (1492674) Filer
Form S-1/A
04/22/2024 4:13 PM
T2 Biosystems (1492674) Filer
Form S-1
Registration statement under Securities Act of 1933  
04/19/2024 3:31 PM
CR Group L.P. (1702352) Filed by
T2 Biosystems (1492674) Subject
Form SC 13D
04/16/2024 7:35 PM
CR Group L.P. (1702352) Reporting
CRG Partners III (0) Cayman
CRG Partners III L.P. (1637591) Reporting
T2 Biosystems (1492674) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
04/12/2024 3:47 PM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/28/2024 3:31 PM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/20/2024 8:17 AM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/18/2024 8:06 AM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/12/2024 8:00 AM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
03/11/2024 5:11 PM
New Dimensions Trading (1381550) Filed by
T2 Biosystems (1492674) Subject
Form SC 13G
03/11/2024 5:14 PM
Safier Jacob (1381740) Filed by
T2 Biosystems (1492674) Subject
Form SC 13G
03/04/2024 3:34 PM
T2 Biosystems (1492674) Filer
Form DEF 14A
02/16/2024 4:17 PM
CR Group L.P. (1702352) Reporting
CRG Partners III (0) Cayman
CRG Partners III L.P. (1637591) Reporting
T2 Biosystems (1492674) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
02/15/2024 3:47 PM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
02/15/2024 3:49 PM
T2 Biosystems (1492674) Filer
Form PRE 14A
02/13/2024 7:15 PM
Lind Global Fund II LP (1871665) Filed by
T2 Biosystems (1492674) Subject
Form SC 13G/A
11/28/2023 3:00 PM
Giffin Brett A. (1892921) Reporting
T2 Biosystems (1492674) Issuer
Form 4/A
11/24/2023 3:30 PM
T2 Biosystems (1492674) Filer
Form 8-K/A
11/14/2023 6:33 PM
T2 Biosystems (1492674) Filer
Form NT 10-Q
11/01/2023 8:08 AM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
10/25/2023 8:02 AM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
10/23/2023 8:00 AM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
10/20/2023 3:16 PM
Adams Laura Lee (1891764) Reporting
T2 Biosystems (1492674) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
10/17/2023 3:31 PM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
10/12/2023 3:32 PM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
10/12/2023 3:01 PM
T2 Biosystems (1492674) Filer
Form 8-K
Current report pursuant to Section 13 or 15(d)  
10/11/2023 4:00 PM
Bernard Thierry (1815490) Reporting
T2 Biosystems (1492674) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
10/11/2023 4:00 PM
LIEBMAN SEYMOUR (1252287) Reporting
T2 Biosystems (1492674) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
10/11/2023 4:00 PM
Adams Laura Lee (1891764) Reporting
T2 Biosystems (1492674) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
10/11/2023 4:00 PM
Saunders Ninfa (1815499) Reporting
T2 Biosystems (1492674) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
10/11/2023 4:00 PM
CUMMING JOHN W (1181189) Reporting
T2 Biosystems (1492674) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
10/11/2023 4:00 PM
T2 Biosystems (1492674) Issuer
Toft Robin (1815565) Reporting
Form 4
Statement of changes in beneficial ownership of securities  
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10/11/2023 4:00 PM
Elsbree David B (1292650) Reporting
T2 Biosystems (1492674) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
09/28/2023 3:30 PM
CR Group L.P. (1702352) Reporting
CRG Partners III (0) Cayman
CRG Partners III L.P. (1637591) Reporting
T2 Biosystems (1492674) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
09/27/2023 4:53 PM
CR Group L.P. (1702352) Reporting
CRG Partners III (0) Cayman
CRG Partners III L.P. (1637591) Reporting
T2 Biosystems (1492674) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
09/26/2023 4:15 PM
CR Group L.P. (1702352) Reporting
CRG Partners III (0) Cayman
CRG Partners III L.P. (1637591) Reporting
T2 Biosystems (1492674) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
09/25/2023 7:30 PM
CR Group L.P. (1702352) Reporting
CRG Partners III (0) Cayman
CRG Partners III L.P. (1637591) Reporting
T2 Biosystems (1492674) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
09/22/2023 3:15 PM
CR Group L.P. (1702352) Reporting
CRG Partners III (0) Cayman
CRG Partners III L.P. (1637591) Reporting
T2 Biosystems (1492674) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
09/21/2023 3:30 PM
CR Group L.P. (1702352) Reporting
CRG Partners III (0) Cayman
CRG Partners III L.P. (1637591) Reporting
T2 Biosystems (1492674) Issuer
Form 4
Statement of changes in beneficial ownership of securities  
(Data available from 1/1/2016 forward)

T2 Biosystems SEC Filings - Frequently Asked Questions

T2 Biosystems (TTOO) has submitted 364+ filings to the SEC since 2017. You can browse the complete history or filter by form type using the tools above.

T2 Biosystems's fiscal year ends on December 31. The company typically files its 10-K annual report by the end of February, covering the prior fiscal year's financial results.

The most recent filing was a Form NT 10-K submitted on April 1, 2025. View the full filing using the link above.

SEC Filing Types: 10-K, 10-Q, 8-K and More

SEC filings are legally required disclosures that public companies submit to the U.S. Securities and Exchange Commission. Unlike press releases or earnings call transcripts, these documents are filed under legal obligation — meaning the financial data they contain is audited, standardized, and subject to penalties if materially false. For investors, that makes SEC filings the most reliable primary source available for evaluating a company's true financial position.

Yes. All SEC filings are publicly available through the SEC's EDGAR database and on financial research platforms like MarketBeat. Companies are required by law to make these disclosures accessible to all investors — meaning retail investors have access to the same source documents as institutional analysts.

A 10-K is an annual report containing audited financial statements and a full review of the company's business — it is the most comprehensive filing a company makes each year. A 10-Q is a shorter, unaudited quarterly update filed three times per year between annual reports. Investors typically use the 10-K for deep fundamental analysis and the 10-Q to track whether the company is on pace with its guidance mid-year.

The most important filing for fundamental investors. Filed once per year, the 10-K contains audited financial statements, revenue and earnings trends, debt obligations, risk factors, and management's own assessment of the business. Reading the risk factors section and comparing year-over-year financials can reveal issues that don't show up in analyst summaries.

An unaudited financial update filed three times per year (the 10-K covers Q4). Investors use 10-Qs to track whether guidance is on pace, monitor changes in cash flow or inventory, and catch any mid-year shifts in business conditions before they become headline news.

Filed within four business days of a material event — earnings releases, merger announcements, executive departures, or major asset sales. Because 8-Ks are filed before media coverage catches up, they are often the fastest way to get unfiltered information directly from the company on market-moving events.

Filed within two business days whenever an executive or director buys or sells company stock. Insider purchases — especially large or clustered buys — are often interpreted as a signal of management confidence. Insider selling is more ambiguous but worth monitoring for patterns, particularly around lock-up expirations or ahead of major announcements.


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SEC filings for NASDAQ:TTOO are sourced directly from the U.S. Securities and Exchange Commission (SEC), with the most recent filing dated 4/1/2025. New filings are added as they're published.
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