AMTM

Operational Highlights for the Third Quarter of 2026 Common stock approved for quotation and began trading on the OTCQB Venture Market under the ticker symbol "DBHL" in July 2026Selected as the sole industrial partner on three U.S. Department of Energy ("DOE") Project GENESIS grants advancing artificial intelligence-enabled nuclear waste repository analysisAnnounced results from a three-year DOE-funded study evaluating deep borehole disposal of waste generated by recycling used nuclear fuelSubsequent to quarter-end, published customer case study with Slovenia's Agency for Radio Active Waste Management highlighting the potential cost and operational benefits of Deep Isolation's deep borehole

4 - Amentum Holdings, Inc. (0002011286) (Issuer)

4 - Amentum Holdings, Inc. (0002011286) (Issuer)

4 - Amentum Holdings, Inc. (0002011286) (Issuer)

4 - Amentum Holdings, Inc. (0002011286) (Issuer)

4 - Amentum Holdings, Inc. (0002011286) (Issuer)

Amentum (NYSE:AMTM), a global leader in engineering, program management, and advanced energy technologies, today announced that it has entered into a Memorandum of Understanding with Kyoto Fusioneering (KF), a world‑leading developer of engineering systems and technologies essential to commercial fusion power plants. The agreement establishes a strategic framework for international cooperation across the United Kingdom, Japan and the United States, strengthening both organizations’ roles in advancing fusion energy commercialization. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20261103409788/en/Front L-R: Colin Baus, Head of Kyo

PLANO, Texas, Nov. 03, 2026 (GLOBE NEWSWIRE) -- Deep Isolation Nuclear, Inc. (OTCQB:DBHL) ("Deep Isolation" or the "Company"), a leading innovator in nuclear waste disposal technology, today announced that Matt Waples, the Company’s Director of Engineering, has been named to Nuclear News’ 2026 "40 Under 40" list, recognizing emerging leaders whose technical expertise and innovation are helping shape the future of the nuclear industry. Published by the American Nuclear Society, Nuclear News’ annual "40 Under 40" program celebrates young professionals making meaningful contributions to nuclear science, technology, and industry advancement. "Matt exemplifies the technical excellence and lead

Investment at Catalyst Campus to Advance National Security Missions Amentum (NYSE:AMTM) has expanded its presence in Colorado Springs to the Catalyst Campus for Technology and Innovation to accelerate defense and space innovation. The new facility enhances Amentum’s ability to deliver advanced engineering and innovative technology solutions, deepen defense partnerships, and accelerate the development of next‑generation capabilities. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20261030464915/en/Catalyst Campus Colorado Springs, Colorado "Amentum’s presence at the Catalyst Campus for Technology and Innovation strengthens our ab

PLANO, Texas, Oct. 29, 2026 (GLOBE NEWSWIRE) -- Deep Isolation Nuclear, Inc. ("Deep Isolation" or the "Company"), a leading innovator in nuclear waste disposal technology, today announced it will report its third quarter 2026 earnings before the market opens on Thursday, November 12th, 2026. An updated presentation will be posted to the investor relations website concurrent with the earnings release. About Deep Isolation Deep Isolation (OTCQB:DBHL) is the first company to undertake development of technologies for nuclear waste disposal in deep boreholes. Deep Isolation’s solution will offer a unique approach to help countries identify, plan for and complete the necessary steps to dispos

PLANO, Texas, Oct. 28, 2026 (GLOBE NEWSWIRE) -- Deep Isolation Nuclear, Inc. (OTCQB:DBHL) ("Deep Isolation" or the "Company"), a leading innovator in nuclear waste disposal technology, today announced the commencement of site preparation activities, including well pad construction at the Deep Borehole Demonstration Center near Cameron, Texas, marking an early field-execution milestone under the Company’s recently awarded ARPA-E SCALEUP Ready agreement. The well pad will provide the foundation for drilling, casing and cementing operations required to construct the demonstration borehole. The work represents the next major milestone in the Company's multi-year Commercialization Pilot and ad

Amentum (NYSE:AMTM), a global leader in advanced engineering and innovative technology solutions, will host a conference call on November 24, 2026 at 8:30 AM EST to discuss financial results for the fourth quarter and full fiscal year 2026 ending October 2, 2026. A news release containing the results will be issued prior to the call.This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20261027596042/en/Q4 FY26 earnings call Tuesday, Nov. 24The conference call will be webcast to the public through a link on Amentum’s Investor Relations Website. A replay of the conference call, along with the earnings press release, presentation slides and

PLANO, Texas, Oct. 22, 2026 (GLOBE NEWSWIRE) -- Deep Isolation Nuclear, Inc. (OTCQB:DBHL) ("Deep Isolation" or the "Company"), a leading innovator in nuclear waste disposal technology, today announced that President and Chief Executive Officer Rod Baltzer will participate in The energy horizon: responsible power growth, an Economist Enterprise event scheduled for Nov. 9 at the Yale Club in New York City. The event will bring together leaders from the energy, finance and civil society sectors to explore how nuclear power can help meet rising electricity demand. Baltzer will be joined by Shawn Reynolds, portfolio manager at VanEck, and Laura Hermann, deputy executive director of Energy Comm

PLANO, Texas, Oct. 14, 2026 (GLOBE NEWSWIRE) -- Deep Isolation Nuclear, Inc. (OTCQB:DBHL) ("Deep Isolation" or the "Company"), a leading innovator in nuclear waste disposal technology, today announced the publication of a new customer case study featuring Slovenia's Agency for Radioactive Waste Management (ARAO). The case study highlights Deep Isolation's work supporting Slovenia's long-term nuclear waste disposal planning and features customer insights into the potential economic and operational benefits of its deep borehole disposal technology. The case study showcases Deep Isolation's engagement with ARAO to evaluate disposal options for spent nuclear fuel from Slovenia's TRIGA II rese

Innovative Hub to Deliver Advanced Engineering and Energy SolutionsAmentum today opened its Global Nuclear headquarters in Oak Ridge, Tennessee. The facility, which houses Amentum’s Nuclear Center of Excellence, now serves as a centralized hub for the company’s international nuclear business operations.This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20261008186894/en/Ribbon cutting at Amentum's Global Nuclear HQ.Located at 151 Lafayette Drive in Oak Ridge, the hub employs more than 150 subject-matter experts dedicated to delivering innovative engineering, technology solutions and advanced energy capabilities. The facility anchors Ame

PLANO, Texas, Oct. 07, 2026 (GLOBE NEWSWIRE) -- Deep Isolation Nuclear, Inc. (OTCQB:DBHL) ("Deep Isolation" or the "Company"), a leading innovator in nuclear waste disposal technology, today announced that CEO Rod Baltzer and CFO Joe Nelson will present at three upcoming investor conferences, offering investors opportunities to learn more about the Company’s technology, commercialization strategy and progress toward deploying deep borehole disposal for nuclear waste. On Oct. 8 at 11.30 am ET, Baltzer and Nelson will participate in the Small Cap Growth Virtual Conference by OTC Markets, an online investor event designed to connect publicly traded companies directly with individual and inst

BNP Paribas Exane upgraded Amentum Holdings from Underperform to Neutral and set a new price target of $20.00

8-K - Amentum Holdings, Inc. (0002011286) (Filer)

BERKELEY, Calif., Oct. 01, 2026 (GLOBE NEWSWIRE) -- Deep Isolation Nuclear, Inc. (OTCQB:DBHL) ("Deep Isolation" or the "Company"), a leading innovator in nuclear waste disposal technology, today announced that the Texas Railroad Commission has issued a drilling permit for the Company’s full-scale, non-radioactive Commercialization Pilot near Cameron, Texas. The regulatory authorization allows the project to advance from engineering and design toward construction and field activities at the demonstration site. "Receipt of this permit is a major milestone for Deep Isolation as we move the development of our deep borehole disposal technology into field activities," said Jesse Sloane, Executi

United Kingdom nuclear site operator Sellafield Ltd has selected an Amentum (NYSE:AMTM) joint venture as preferred supplier for an asset care and asset creation program valued at up to $2.78 billion (£2.1 billion).This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260930996796/en/Image courtesy of Sellafield Ltd.Under the Projects and Asset Care Execution (PACE) framework contract, Amentum and its supply chain partners will support Sellafield Ltd’s spent fuel management and retrievals mission by providing full lifecycle capabilities including engineering and design, procurement, installation and plant modification, project management

BERKELEY, Calif., Sept. 22, 2026 (GLOBE NEWSWIRE) -- Deep Isolation Nuclear, Inc. (OTCQB:DBHL) ("Deep Isolation" or the "Company"), a leading innovator in nuclear waste disposal technology, today announced results from a three-year U.S. Department of Energy-funded project showing that deep borehole disposal could provide a safe and cost-effective pathway for permanent disposal of waste generated by recycling used nuclear fuel. Deep Isolation’s analysis performed as part of the project found that all disposal scenarios studied were projected to cost less than the program’s target of 0.1 cent per kilowatt-hour of electricity generated. Long-term safety analyses also found that all scenarios

4 - Amentum Holdings, Inc. (0002011286) (Issuer)

Company to Deliver Digital and Cybersecurity Solutions to Boost Grid Resilience Amentum (NYSE:AMTM), a global leader in advanced engineering and technology solutions, has been selected for strategic positions on two significant UK energy frameworks awarded by Scottish and Southern Electricity Networks (SSEN) Transmission. Amentum will be the exclusive provider of high-end cybersecurity engineering services which aim to digitize and enhance the security of the United Kingdom’s energy grid. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260901257875/en/Amentum will deliver cybersecurity services to SSEN Transmission to strengthe

Amentum (NYSE:AMTM) has been awarded the Center Maintenance, Operations, and Engineering II (CMOE II) contract at NASA Langley Research Center in Hampton, Virginia, a renowned hub for scientific discovery and innovation. The award reaffirms Amentum’s role as a trusted partner in advancing NASA’s groundbreaking research, technology development, and exploration goals. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260820114703/en/Image credit: NASA Langley / David C. Bowman "The scope of solutions and capabilities we deliver will ensure NASA Langley sustains its critical role in advancing space science and deep space exploration.

Award from Babcock enables support across nuclear, marine, land and aviation domains Amentum (NYSE:AMTM) has joined a five-year Babcock International Group Engineering Services Framework to support nuclear, marine, land, aviation and mission systems for the UK Armed Forces at home and abroad. This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260819142579/en/Image courtesy of Babcock International Group The agreement forms part of a wider strategy to build closer, long-term partnerships with key suppliers, creating a simpler and more consistent way to bring specialist engineering expertise into critical defence programmes. The fra