# Archimedes Tech SPAC Partners II Co. (ATII)

Source: https://www.quantisnow.com/company/ATII
Generated: 2026-11-07T22:32:36.361Z

- Ticker: ATII
- Exchange: NASDAQ
- IPO year: 2025
- SEC CIK: 0002028516

## Latest ATII news and filings

- 2026-10-22 20:15 UTC [Forge Nano Lists on NASDAQ, Bringing Atomic-Scale Innovation to American Semiconductor and Battery Manufacturing](https://www.quantisnow.com/insight/forge-nano-lists-on-nasdaq-bringing-atomic-scale-innovation-to-american-6755179)
- 2026-10-21 20:46 UTC [SEC Form 25-NSE filed by Archimedes Tech SPAC Partners II Co.](https://www.quantisnow.com/insight/sec-form-25-nse-filed-by-archimedes-tech-spac-partners-ii-6753815)
- 2026-10-21 20:15 UTC [Forge Nano to Trade on NASDAQ as NANO After Completing Business Combination with Archimedes Tech SPAC Partners II Co.](https://www.quantisnow.com/insight/forge-nano-to-trade-on-nasdaq-as-nano-after-completing-6753531)
- 2026-10-16 22:49 UTC [SEC Form 8-K] [SEC Form 8-K filed by Archimedes Tech SPAC Partners II Co.](https://www.quantisnow.com/insight/sec-form-8-k-filed-by-archimedes-tech-spac-partners-ii-6749774)
- 2026-10-16 21:10 UTC [Archimedes Tech SPAC Partners II Co. Announces Shareholder Approval of Proposed Business Combination with Forge Nano, Inc.](https://www.quantisnow.com/insight/archimedes-tech-spac-partners-ii-co-announces-shareholder-approval-of-6749480)
- 2026-10-13 20:14 UTC [SEC Form DEFA14A] [SEC Form DEFA14A filed by Archimedes Tech SPAC Partners II Co.](https://www.quantisnow.com/insight/sec-form-defa14a-filed-by-archimedes-tech-spac-partners-ii-6745097)
- 2026-09-24 20:30 UTC [Archimedes Tech SPAC Partners II Co. Announces Effectiveness of Registration Statement and Date for Extraordinary General Meeting to Approve Proposed Business Combination with Forge Nano, Inc.](https://www.quantisnow.com/insight/archimedes-tech-spac-partners-ii-co-announces-effectiveness-of-registration-6725549)
- 2026-09-24 13:01 UTC [SEC Form DEFM14A] [SEC Form DEFM14A filed by Archimedes Tech SPAC Partners II Co.](https://www.quantisnow.com/insight/sec-form-defm14a-filed-by-archimedes-tech-spac-partners-ii-6725083)
- 2026-09-22 12:47 UTC [Forge Nano and Nanexa Enter Joint Development Agreement to Advance Manufacturing for ALD-Coated PharmaShell® Long-Acting Injectable Medicines](https://www.quantisnow.com/insight/forge-nano-and-nanexa-enter-joint-development-agreement-to-advance-6722586)
- 2026-09-17 12:30 UTC [Forge Nano Expands Partnership with Battery AI Software Leader Voltaiq to Put AI at the Center of Battery Development and Manufacturing](https://www.quantisnow.com/insight/forge-nano-expands-partnership-with-battery-ai-software-leader-voltaiq-6718526)
- 2026-09-15 12:30 UTC [Forge Nano to Host Pre-Listing Investor & Analyst Update Webcast on September 22, 2026](https://www.quantisnow.com/insight/forge-nano-to-host-pre-listing-investor-analyst-update-webcast-on-6715510)
- 2026-09-02 21:01 UTC [Archimedes Tech SPAC Partners II Co. Announces Filing of Third Amendment to Registration Statement on Form S-4 with the SEC](https://www.quantisnow.com/insight/archimedes-tech-spac-partners-ii-co-announces-filing-of-third-6703608)
- 2026-08-19 15:38 UTC [Forge Nano Breaks Ground on “America’s Battery Gigafactory” to Strengthen U.S. Defense Supply Chains](https://www.quantisnow.com/insight/forge-nano-breaks-ground-on-americas-battery-gigafactory-to-strengthen-6688073)
- 2026-08-14 17:42 UTC [Amendment: SEC Form SCHEDULE 13G/A filed by Archimedes Tech SPAC Partners II Co.](https://www.quantisnow.com/insight/amendment-sec-form-schedule-13ga-filed-by-archimedes-tech-spac-6682621)
- 2026-08-13 20:36 UTC [SEC Form 10-Q] [SEC Form 10-Q filed by Archimedes Tech SPAC Partners II Co.](https://www.quantisnow.com/insight/sec-form-10-q-filed-by-archimedes-tech-spac-partners-ii-6680973)
- 2026-07-27 20:27 UTC [Archimedes Tech SPAC Partners II Co. Announces Filing of Amendment to Registration Statement on Form S-4 with the SEC](https://www.quantisnow.com/insight/archimedes-tech-spac-partners-ii-co-announces-filing-of-amendment-6649883)
- 2026-07-16 12:30 UTC [Conference Announcement] [Forge Nano to Host Groundbreaking Event for North Carolina Lithium-Ion Battery Manufacturing Facility Expansion on August 19th](https://www.quantisnow.com/insight/forge-nano-to-host-groundbreaking-event-for-north-carolina-lithium-ion-6639115)
- 2026-07-14 20:41 UTC [SEC Form 8-K] [Archimedes Tech SPAC Partners II Co. filed SEC Form 8-K: Unregistered Sales of Equity Securities, Other Events, Financial Statements and Exhibits](https://www.quantisnow.com/insight/archimedes-tech-spac-partners-ii-co-filed-sec-form-8-k-6636997)
- 2026-07-14 12:30 UTC [Forge Nano Secures Additional $23 Million in PIPE Financing at $10.00 Per Share, Closes Series D with Samsung Investment Ahead of Public Listing](https://www.quantisnow.com/insight/forge-nano-secures-additional-23-million-in-pipe-financing-at-6636173)
- 2026-06-25 21:10 UTC [SEC Form 8-K] [Archimedes Tech SPAC Partners II Co. filed SEC Form 8-K: Other Events, Financial Statements and Exhibits](https://www.quantisnow.com/insight/archimedes-tech-spac-partners-ii-co-filed-sec-form-8-k-6616252)
- 2026-06-25 12:30 UTC [Forge Nano Forms Landmark Strategic Partnership with Samsung SDI to Enable U.S. Production of Advanced Battery Cells](https://www.quantisnow.com/insight/forge-nano-forms-landmark-strategic-partnership-with-samsung-sdi-to-6615245)
- 2026-06-23 21:05 UTC [Archimedes Tech SPAC Partners II Co. Announces Filing of Amendment to Registration Statement on Form S-4 with the SEC](https://www.quantisnow.com/insight/archimedes-tech-spac-partners-ii-co-announces-filing-of-amendment-6612969)
- 2026-06-11 12:00 UTC [Forge Nano Secures Semiconductor Wafer Fab Equipment Order from Leading Photonics Technology Company for Commercial Integrated Photonics Manufacturing](https://www.quantisnow.com/insight/forge-nano-secures-semiconductor-wafer-fab-equipment-order-from-leading-6598201)
- 2026-05-28 12:30 UTC [Forge Nano and Group14 Advance U.S.-Made High-Performance Battery Cells with U.S. Material Supply Chain](https://www.quantisnow.com/insight/forge-nano-and-group14-advance-us-made-high-performance-battery-cells-with-6576283)
- 2026-05-14 20:31 UTC [SEC Form 10-Q] [SEC Form 10-Q filed by Archimedes Tech SPAC Partners II Co.](https://www.quantisnow.com/insight/sec-form-10-q-filed-by-archimedes-tech-spac-partners-ii-6554442)
- 2026-05-14 12:30 UTC [Forge Nano Delivers Semiconductor Wafer Fab Equipment to Leading Fortune Global 500 Communications Company for Commercial Photonics Applications](https://www.quantisnow.com/insight/forge-nano-delivers-semiconductor-wafer-fab-equipment-to-leading-fortune-6552622)
- 2026-05-07 21:33 UTC [Archimedes Tech SPAC Partners II Co. Announces Filing of Registration Statement on Form S-4 with the SEC](https://www.quantisnow.com/insight/archimedes-tech-spac-partners-ii-co-announces-filing-of-registration-6540407)
- 2026-05-07 12:30 UTC [Forge Nano Achieves ISO 9001 Certification as Demand Grows for U.S.-Made Battery Supply Chains](https://www.quantisnow.com/insight/forge-nano-achieves-iso-9001-certification-as-demand-grows-for-6537764)
- 2026-04-30 12:30 UTC [Forge Nano to Showcase Industry-Leading Semiconductor ALD Coating Capabilities, Including 1000:1 High Aspect Ratio Innovation, to Leading Fabs in Malaysia](https://www.quantisnow.com/insight/forge-nano-to-showcase-industry-leading-semiconductor-ald-coating-capabilities-including-6523127)
- 2026-04-30 10:12 UTC [SEC Form 8-K] [Archimedes Tech SPAC Partners II Co. filed SEC Form 8-K: Regulation FD Disclosure, Financial Statements and Exhibits](https://www.quantisnow.com/insight/archimedes-tech-spac-partners-ii-co-filed-sec-form-8-k-6522449)
- 2026-04-30 10:12 UTC [SEC Form 425] [SEC Form 425 filed by Archimedes Tech SPAC Partners II Co.](https://www.quantisnow.com/insight/sec-form-425-filed-by-archimedes-tech-spac-partners-ii-6522444)
- 2026-04-21 22:26 UTC [SEC Form 8-K] [Archimedes Tech SPAC Partners II Co. filed SEC Form 8-K: Regulation FD Disclosure, Financial Statements and Exhibits](https://www.quantisnow.com/insight/archimedes-tech-spac-partners-ii-co-filed-sec-form-8-k-6509182)
- 2026-04-21 22:26 UTC [SEC Form 425] [SEC Form 425 filed by Archimedes Tech SPAC Partners II Co.](https://www.quantisnow.com/insight/sec-form-425-filed-by-archimedes-tech-spac-partners-ii-6509181)
- 2026-04-21 14:00 UTC [Earnings Date] [Forge Nano, U.S. Advanced Manufacturing Leader for AI-Era Chips and Defense Batteries, to List on NASDAQ through Merger with Archimedes Tech SPAC Partners II Co.](https://www.quantisnow.com/insight/forge-nano-us-advanced-manufacturing-leader-for-ai-era-chips-and-6508013)
- 2026-04-21 01:58 UTC [SEC Form 425] [SEC Form 425 filed by Archimedes Tech SPAC Partners II Co.](https://www.quantisnow.com/insight/sec-form-425-filed-by-archimedes-tech-spac-partners-ii-6507394)
- 2026-04-20 21:30 UTC [SEC Form 8-K] [Archimedes Tech SPAC Partners II Co. filed SEC Form 8-K: Unregistered Sales of Equity Securities, Entry into a Material Definitive Agreement, Regulation FD Disclosure, Financial Statements and Exhibits](https://www.quantisnow.com/insight/archimedes-tech-spac-partners-ii-co-filed-sec-form-8-k-6507130)
- 2026-02-11 20:34 UTC [Amendment: SEC Form SCHEDULE 13G/A filed by Archimedes Tech SPAC Partners II Co.](https://www.quantisnow.com/insight/amendment-sec-form-schedule-13ga-filed-by-archimedes-tech-spac-6386388)
- 2026-01-23 17:00 UTC [Public Offering] [Archimedes Tech SPAC Partners III Co. Announces the Upsized Pricing of $240 Million Initial Public Offering](https://www.quantisnow.com/insight/archimedes-tech-spac-partners-iii-co-announces-the-upsized-pricing-6358877)
- 2025-11-07 21:16 UTC [SEC Form 10-Q] [SEC Form 10-Q filed by Archimedes Tech SPAC Partners II Co.](https://www.quantisnow.com/insight/sec-form-10-q-filed-by-archimedes-tech-spac-partners-ii-6268375)
- 2025-11-07 16:09 UTC [Amendment: SEC Form SCHEDULE 13G/A filed by Archimedes Tech SPAC Partners II Co.](https://www.quantisnow.com/insight/amendment-sec-form-schedule-13ga-filed-by-archimedes-tech-spac-6267673)

## More

- Live page with ratings, short volume, options and peers: https://www.quantisnow.com/company/ATII
- Earnings history: https://www.quantisnow.com/earnings/ATII
- Dividend history: https://www.quantisnow.com/dividends/ATII
- Insider transactions: https://www.quantisnow.com/insiders/ATII
- Options chain: https://www.quantisnow.com/options/ATII
- SEC 8-K filings only: https://www.quantisnow.com/company/ATII/8-k
- RSS and alerts for ATII: https://www.quantisnow.com/docs/rss-feeds.md