Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001044321-09-000034
Filing Date
2009-02-13
Accepted
2009-02-13 12:14:57
Documents
1
Group Members
AUSTIN W. MARXEAWM INVESTMENT COMPANY, INC.DAVID M. GREENHOUSEMGP ADVISERS LIMITED PARTNERSHIPSPECIAL SITUATIONS FUND III QP, L.P.SPECIAL SITUATIONS TECHNOLOGY FUND II, L.PSPECIAL SITUATIONS TECHNOLOGY FUND, L.PSST ADVISERS, LLC

Document Format Files

Seq Description Document Type Size
1 amtech13gt2.txt SC 13G/A 8524
  Complete submission text file 0001044321-09-000034.txt   10886
Mailing Address 131 SOUTH CLARK DRIVE TEMPE AZ 85281
Business Address 131 S CLARK DR TEMPE AZ 85281 6029675146
AMTECH SYSTEMS INC (Subject) CIK: 0000720500 (see all company filings)

EIN.: 860411215 | State of Incorp.: AZ | Fiscal Year End: 0930
Type: SC 13G/A | Act: 34 | File No.: 005-39482 | Film No.: 09600154
SIC: 3559 Special Industry Machinery, NEC

Mailing Address C/O SPECIAL SITUATIONS FUNDS 527 MADISON AVENUE, SUITE 2600 NEW YORK NY 10022
Business Address C/O SPECIAL SITUATIONS FUNDS 527 MADISON AVENUE, SUITE 2600 NEW YORK NY 10022 2122076500
MARXE AUSTIN W & GREENHOUSE DAVID M (Filed by) CIK: 0001044321 (see all company filings)

EIN.: 000000000
Type: SC 13G/A