secwatch.observer — SEC 8-K summary
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Issuer:     AMTECH SYSTEMS INC (ASYS)
CIK:        0000720500
Form:       8-K
Filed at:   2026-06-03T20:30:40+00:00
Accession:  0000720500-26-000008
Event type: other_material
Sentiment:  neutral
Materiality: 0.65
Item codes: 1.01, 8.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Amtech Systems closes $60M oversubscribed public offering of 2.93M shares at $20.50
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- Oversubscribed offering: 2,926,829 shares at $20.50/share, gross proceeds ~$60M.
- Proceeds to accelerate semiconductor packaging, wafer substrate fabrication, M&A, and working capital.
- Titan Partners sole bookrunner; 60-day lock-up for company and insiders.
- Offering closed June 3, 2026.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/720500/000072050026000008/0000720500-26-000008-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/720500/000072050026000008/asys-20260601.htm
  HTML page:      https://secwatch.observer/filing/0000720500-26-000008

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer