Celldex Therapeutics, Inc. SEC filings CLDX
Celldex Therapeutics, Inc. has 1,000 filings in SEC EDGAR's recent list, going back to Oct 31, 2007. Its latest annual report, Form ARS, was filed on Apr 29, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 6, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Sep 22, 2026 (other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Other events
|
Sep 22, 2026 | Sep 22, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2026 | Aug 6, 2026 |
| 8-K |
Current report
Officer or director change
|
Jul 15, 2026 | Jul 10, 2026 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 26, 2026 | Jun 25, 2026 |
| 8-K |
Current report
Results of operations
|
May 7, 2026 | May 7, 2026 |
| 8-K |
Current report
Material agreement, Other events
|
Apr 2, 2026 | Apr 1, 2026 |
| 8-K |
Current report
Results of operations
|
Feb 25, 2026 | Feb 25, 2026 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2025 | Nov 10, 2025 |
| 8-K |
Current report
Other events
|
Aug 19, 2025 | Aug 19, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2025 | Aug 7, 2025 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 6, 2025 | Jun 5, 2025 |
| 8-K |
Current report
Results of operations
|
May 8, 2025 | May 8, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 27, 2025 | Feb 27, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2024 | Nov 6, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2024 | Aug 8, 2024 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 14, 2024 | Jun 13, 2024 |
| 8-K |
Current report
Results of operations
|
May 6, 2024 | May 6, 2024 |
| 8-K |
Current report
Material agreement, Other events
|
Mar 1, 2024 | Feb 28, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 26, 2024 | Feb 26, 2024 |
| 8-K |
Current report
Material agreement, Other events
|
Nov 8, 2023 | Nov 7, 2023 |
| 8-K |
Current report
Other events
|
Nov 6, 2023 | Nov 5, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2023 | Nov 2, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2023 | Aug 8, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jun 15, 2023 | Jun 15, 2023 |
| 8-K |
Current report
Results of operations
|
May 4, 2023 | May 4, 2023 |
| 8-K |
Current report
Other events
|
Mar 22, 2023 | Mar 21, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 28, 2023 | Feb 28, 2023 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Feb 21, 2023 | Feb 16, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2022 | Nov 9, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2022 | Aug 8, 2022 |
| 8-K |
Current report
Material agreement
|
Jul 18, 2022 | Jul 15, 2022 |
| 8-K |
Current report
Material agreement, Results of operations
|
Jun 23, 2022 | Jun 20, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Jun 16, 2022 | Jun 16, 2022 |
| 8-K |
Current report
Results of operations
|
May 5, 2022 | May 5, 2022 |
| 8-K |
Current report
Results of operations
|
Feb 28, 2022 | Feb 28, 2022 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Jan 28, 2022 | Jan 25, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2021 | Nov 9, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2021 | Aug 5, 2021 |
| 8-K |
Current report
Material agreement, Other events
|
Jul 14, 2021 | Jul 12, 2021 |
| 8-K |
Current report
Other events
|
Jul 12, 2021 | Jul 9, 2021 |
| 8-K |
Current report
Officer or director change
|
Jul 1, 2021 | Jul 1, 2021 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 17, 2021 | Jun 17, 2021 |
| 8-K |
Current report
Results of operations
|
May 6, 2021 | May 6, 2021 |
| 8-K |
Current report
Results of operations
|
Mar 29, 2021 | Mar 29, 2021 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jan 4, 2021 | Jan 1, 2021 |
| 8-K |
Current report
Other events
|
Nov 6, 2020 | Nov 6, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2020 | Nov 5, 2020 |
| 8-K |
Current report
Other events
|
Aug 18, 2020 | Aug 18, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2020 | Aug 6, 2020 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 18, 2020 | Jun 18, 2020 |
| 8-K |
Current report
Material agreement, Other events
|
Jun 17, 2020 | Jun 15, 2020 |
| 8-K |
Current report
Other events
|
Jun 15, 2020 | Jun 15, 2020 |
| 8-K |
Current report
Other events
|
Jun 12, 2020 | Jun 12, 2020 |
| 8-K |
Current report
Results of operations
|
May 6, 2020 | May 6, 2020 |
| 8-K |
Current report
Results of operations
|
Mar 26, 2020 | Mar 26, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2019 | Nov 12, 2019 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2019 | Aug 7, 2019 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jun 24, 2019 | Jun 24, 2019 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 20, 2019 | Jun 19, 2019 |
| 8-K |
Current report
Results of operations
|
May 7, 2019 | May 7, 2019 |
| 8-K |
Current report
Results of operations
|
Mar 7, 2019 | Mar 7, 2019 |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change
|
Feb 8, 2019 | Feb 8, 2019 |
| 8-K |
Current report
Officer or director change
|
Dec 10, 2018 | Dec 5, 2018 |
| 8-K |
Current report
Listing notice
|
Nov 27, 2018 | Nov 27, 2018 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2018 | Nov 7, 2018 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2018 | Aug 8, 2018 |
| 8-K |
Current report
Shareholder vote results
|
Jun 14, 2018 | Jun 13, 2018 |
| 8-K |
Current report
Listing notice
|
Jun 1, 2018 | May 29, 2018 |
| 8-K |
Current report
Results of operations
|
May 10, 2018 | May 10, 2018 |
| 8-K |
Current report
Exit or restructuring costs
|
Apr 24, 2018 | Apr 24, 2018 |
| 8-K |
Current report
Other events
|
Apr 16, 2018 | Apr 16, 2018 |
| 8-K |
Current report
Results of operations
|
Mar 7, 2018 | Mar 7, 2018 |
| 8-K |
Current report
Officer or director change
|
Dec 29, 2017 | Dec 29, 2017 |
| 8-K |
Current report
Other events
|
Nov 9, 2017 | Nov 9, 2017 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2017 | Nov 7, 2017 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Oct 3, 2017 | Oct 3, 2017 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Sep 12, 2017 | Sep 6, 2017 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2017 | Aug 8, 2017 |
| 8-K |
Current report
Officer or director change
|
Jul 5, 2017 | Jul 1, 2017 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 16, 2017 | Jun 15, 2017 |
| 8-K |
Current report
Results of operations
|
May 9, 2017 | May 9, 2017 |
| 8-K |
Current report
Results of operations
|
Mar 14, 2017 | Mar 14, 2017 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Mar 1, 2017 | Mar 1, 2017 |
| 8-K/A |
Amended current report
Acquisition or sale of assets
|
Feb 7, 2017 | Nov 29, 2016 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Dec 14, 2016 | Dec 14, 2016 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Dec 5, 2016 | Nov 29, 2016 |
| 8-K |
Current report
Acquisition or sale of assets, Unregistered share sale, Other events
|
Nov 29, 2016 | Nov 29, 2016 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2016 | Nov 7, 2016 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Nov 1, 2016 | Nov 1, 2016 |
| 8-K |
Current report
Officer or director change
|
Aug 11, 2016 | Aug 10, 2016 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2016 | Aug 8, 2016 |
| 8-K |
Current report
Shareholder vote results
|
Jun 9, 2016 | Jun 8, 2016 |
| 8-K |
Current report
Material agreement
|
May 19, 2016 | May 19, 2016 |
| 8-K |
Current report
Results of operations
|
May 5, 2016 | May 5, 2016 |
| 8-K |
Current report
Other events
|
Mar 7, 2016 | Mar 7, 2016 |
| 8-K |
Current report
Results of operations
|
Feb 25, 2016 | Feb 25, 2016 |
| 8-K |
Current report
Other events
|
Feb 23, 2016 | Feb 23, 2016 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2015 | Nov 5, 2015 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2015 | Aug 10, 2015 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 11, 2015 | Jun 10, 2015 |
| 8-K |
Current report
Results of operations
|
Apr 29, 2015 | Apr 29, 2015 |
| 8-K |
Current report
Material agreement
|
Feb 26, 2015 | Feb 25, 2015 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Feb 24, 2015 | Feb 23, 2015 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Dec 18, 2014 | Dec 18, 2014 |
| 8-K |
Current report
Other events
|
Nov 6, 2014 | Nov 6, 2014 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2014 | Nov 4, 2014 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Oct 20, 2014 | Oct 15, 2014 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2014 | Aug 6, 2014 |
| 8-K |
Current report
Shareholder vote results
|
May 29, 2014 | May 28, 2014 |
| 8-K |
Current report
Other events
|
May 14, 2014 | May 14, 2014 |
| 8-K |
Current report
Results of operations
|
May 1, 2014 | May 1, 2014 |
| 8-K |
Current report
Bylaw or fiscal year change, Other events
|
Apr 8, 2014 | Apr 7, 2014 |
| 8-K |
Current report
Results of operations
|
Mar 3, 2014 | Mar 3, 2014 |
| 8-K |
Current report
Material agreement
|
Dec 5, 2013 | Dec 4, 2013 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 25, 2013 | Nov 25, 2013 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 25, 2013 | Nov 24, 2013 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2013 | Nov 8, 2013 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 13, 2013 | Jun 12, 2013 |
| 8-K |
Current report
Agreement ended
|
May 20, 2013 | May 17, 2013 |
| 8-K |
Current report
Results of operations
|
May 2, 2013 | May 2, 2013 |
| 8-K |
Current report
Results of operations, Other events
|
Mar 7, 2013 | Mar 7, 2013 |
| 8-K |
Current report
Material agreement
|
Feb 6, 2013 | Feb 5, 2013 |
| 8-K |
Current report
Other events
|
Feb 4, 2013 | Feb 4, 2013 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 7, 2013 | Jan 7, 2013 |
| 8-K |
Current report
Officer or director change
|
Dec 21, 2012 | Dec 18, 2012 |
| 8-K |
Current report
Results of operations
|
Nov 1, 2012 | Nov 1, 2012 |
| 8-K |
Current report
Material agreement
|
Sep 24, 2012 | Sep 20, 2012 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2012 | Aug 10, 2012 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 14, 2012 | Jun 13, 2012 |
| 8-K |
Current report
Regulation FD disclosure
|
May 24, 2012 | May 23, 2012 |
| 8-K |
Current report
Results of operations
|
May 3, 2012 | May 3, 2012 |
| 8-K |
Current report
Agreement ended
|
Apr 3, 2012 | Mar 29, 2012 |
| 8-K |
Current report
Material agreement, Results of operations
|
Mar 7, 2012 | Mar 2, 2012 |
| 8-K |
Current report
Material agreement
|
Feb 24, 2012 | Feb 24, 2012 |
| 8-K |
Current report
Other events
|
Feb 23, 2012 | Feb 23, 2012 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2011 | Nov 2, 2011 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2011 | Aug 3, 2011 |
| 8-K |
Current report
Officer or director change
|
Jul 6, 2011 | Jul 1, 2011 |
| 8-K |
Current report
Shareholder vote results
|
Jun 16, 2011 | Jun 15, 2011 |
| 8-K |
Current report
Material agreement
|
May 18, 2011 | May 18, 2011 |
| 8-K |
Current report
Results of operations
|
May 4, 2011 | May 4, 2011 |
| 8-K |
Current report
Results of operations
|
Mar 3, 2011 | Mar 3, 2011 |
| 8-K |
Current report
Material agreement, New debt
|
Jan 6, 2011 | Dec 30, 2010 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2010 | Nov 2, 2010 |
| 8-K |
Current report
Shareholder vote results
|
Sep 16, 2010 | Sep 15, 2010 |
| 8-K |
Current report
Agreement ended
|
Sep 7, 2010 | Sep 1, 2010 |
| 8-K |
Current report
Results of operations
|
Aug 4, 2010 | Aug 4, 2010 |
| 8-K |
Current report
Results of operations
|
May 4, 2010 | May 4, 2010 |
| 8-K | Current report | Mar 30, 2010 | Mar 30, 2010 |
| 8-K |
Current report
Results of operations
|
Mar 4, 2010 | Mar 4, 2010 |
| 8-K |
Current report
Other events
|
Feb 16, 2010 | Feb 16, 2010 |
| 8-K |
Current report
Officer or director change
|
Jan 25, 2010 | Jan 21, 2010 |
| 8-K | Current report | Jan 8, 2010 | Jan 8, 2010 |
| 8-K |
Current report
New debt, Other events
|
Dec 31, 2009 | Dec 31, 2009 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2009 | Nov 4, 2009 |
| 8-K/A |
Amended current report
Acquisition or sale of assets
|
Oct 21, 2009 | Sep 30, 2009 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Officer or director change, Other events
|
Oct 2, 2009 | Sep 30, 2009 |
| 8-K |
Current report
Other events
|
Sep 4, 2009 | Sep 3, 2009 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2009 | Aug 5, 2009 |
| 8-K |
Current report
Other events
|
Jun 2, 2009 | May 30, 2009 |
| 8-K |
Current report
Material agreement, Other events
|
May 29, 2009 | May 28, 2009 |
| 8-K |
Current report
Results of operations
|
May 5, 2009 | May 5, 2009 |
| 8-K |
Current report
Results of operations
|
Feb 27, 2009 | Feb 27, 2009 |
| 8-K |
Current report
Officer or director change
|
Feb 5, 2009 | Jan 30, 2009 |
| 8-K |
Current report
Officer or director change
|
Jan 8, 2009 | Jan 6, 2009 |
| 8-K |
Current report
Officer or director change
|
Dec 8, 2008 | Dec 4, 2008 |
| 8-K/A |
Amended current report
Results of operations
|
Nov 6, 2008 | Nov 5, 2008 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2008 | Nov 5, 2008 |
| 8-K |
Current report
Officer or director change, Other events
|
Sep 29, 2008 | Sep 25, 2008 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2008 | Aug 6, 2008 |
| 8-K |
Current report
Officer or director change
|
Jul 28, 2008 | Jul 23, 2008 |
| 8-K |
Current report
Officer or director change
|
Jul 18, 2008 | Jul 14, 2008 |
| 8-K |
Current report
Auditor change
|
Jun 9, 2008 | Mar 7, 2008 |
| 8-K |
Current report
Other events
|
Jun 2, 2008 | Jun 2, 2008 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
May 30, 2008 | May 27, 2008 |
| 8-K/A |
Amended current report
Acquisition or sale of assets
|
May 23, 2008 | Mar 7, 2008 |
| 8-K |
Current report
Officer or director change
|
May 14, 2008 | May 7, 2008 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Apr 17, 2008 | Apr 15, 2008 |
| 8-K |
Current report
Acquisition or sale of assets, Listing notice, Change to shareholder rights, Change in control, Officer or director change, Other events
|
Mar 11, 2008 | Mar 6, 2008 |
| 8-K |
Current report
Results of operations
|
Feb 27, 2008 | Feb 27, 2008 |
| 8-K |
Current report
Officer or director change
|
Feb 12, 2008 | Feb 11, 2008 |
| 8-K |
Current report
Officer or director change
|
Jan 16, 2008 | Jan 15, 2008 |
| 8-K |
Current report
Listing notice
|
Jan 9, 2008 | Jan 9, 2008 |
| 8-K |
Current report
Officer or director change
|
Nov 27, 2007 | Nov 26, 2007 |
| 8-K |
Current report
Other events
|
Nov 2, 2007 | Nov 1, 2007 |
| 8-K |
Current report
Results of operations
|
Oct 31, 2007 | Oct 31, 2007 |
Showing 186 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- In Vitro & In Vivo Diagnostic Substances (SIC 2835)
- Listed as
- CLDX (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Hampton, NJ
- SEC filer status
- Large accelerated filer
- SEC CIK
- 744218
- Former names
- AVANT IMMUNOTHERAPEUTICS INC (until Sep 29, 2008); T CELL SCIENCES INC (until Aug 21, 1998)
Other In Vitro & In Vivo Diagnostic Substances companies
- Idexx Laboratories Inc /DE IDXX
- Lantheus Holdings, Inc. LNTH
- Neogen Corp NEOG
- Intellia Therapeutics, Inc. NTLA
- QuidelOrtho Corp QDEL
- Achieve Life Sciences, Inc. ACHV
- Myriad Genetics Inc MYGN
- Alpha Teknova, Inc. TKNO
Source: SEC EDGAR filings. This is company-reported data, not investment advice.