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CIK 0000720500 · Non-accelerated filer<br>Smaller reporting company

AMTECH SYSTEMS INC

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Ticker
ASYS
Exchange
Nasdaq
Industry
Special Industry Machinery, NEC
FY end
Sep 30
Incorporated
AZ
Entity type
operating
EIN
860411215
Phone
4809675146
Business address
58 S RIVER DRIVE SUITE 370, TEMPE, AZ, 85288
  1. 3 Insider Initial Statement of Ownership
  2. 8-K Event Executive or director change · Regulation FD disclosure
  3. 4/A Derivatives Options or other derivatives
  4. 4 Derivatives Options or other derivatives
  5. 4 Derivatives Options or other derivatives
  6. 3 Insider Initial Statement of Ownership
  7. SC 13D/A Stake Beneficial Ownership Report
  8. 10-Q Report Quarterly Report
  9. SC 13G Stake Amended Statement of Ownership
  10. SC 13G Stake Amended Statement of Ownership
  11. 4 Open-market buy 10% owner bought 30,946 shares at an average $6.88 ($212,887)
  12. SC 13D/A Stake Beneficial Ownership Report
  13. SC 13G Stake Amended Statement of Ownership
  14. 3 Insider Initial Statement of Ownership
  15. 424B1 Offering Prospectus
  16. S-1MEF Other S-1MEF
  17. EFFECT Other Notice of Effectiveness
  18. S-1/A Offering Registration Statement
  19. 10-K/A Report 10-K/A
  20. S-1/A Offering Registration Statement

Page 41 of 49 · 979 filings