secwatch.observer — SEC 8-K summary ====================================== Issuer: Archer Aviation Inc. (ACHR) CIK: 0001824502 Form: 8-K Filed at: 2025-12-02T23:59:59+00:00 Accession: 0001824502-25-000022 Event type: other_material Sentiment: positive Materiality: 0.65 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Archer Aviation announces exclusive collaboration with Karem Aircraft for military-grade tiltrotor technology -------------------------------------------------------------------------------- - Exclusive access to Karem's tiltrotor technology validated by U.S. Army for Archer's next-gen hybrid VTOL aircraft. - Partnership integral to Archer's strategic alliance with Anduril to deliver autonomous hybrid VTOL for U.S. and allies. - Archer combines Karem tech with recently acquired patented technology from Overair and Lilium. - Karem Aircraft, founded by Abe Karem, is recognized for pioneering modern drone and rotorcraft innovation. - Archer recently agreed to supply electric powertrain to Anduril and EDGE Group for Omen Autonomous Air Vehicle. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1824502/000182450225000022/0001824502-25-000022-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1824502/000182450225000022/achr-20251202.htm HTML page: https://secwatch.observer/filing/0001824502-25-000022 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer