Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000354204-24-004700
Filing Date
2024-10-31
Accepted
2024-10-31 11:55:00
Documents
1

Document Format Files

Seq Description Document Type Size
1 SEC SCHEDULE 13G SEC13G_Filing.htm SC 13G/A 17492
  Complete submission text file 0000354204-24-004700.txt   19337
Mailing Address 6300 BEE CAVE ROAD BUILDING ONE AUSTIN TX 78746
Business Address 6300 BEE CAVE ROAD BUILDING ONE AUSTIN TX 78746 (512) 306-7400
DIMENSIONAL FUND ADVISORS LP (Filed by) CIK: 0000354204 (see all company filings)

EIN.: 222370029 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000

Mailing Address 58 S RIVER DRIVE SUITE 370 TEMPE AZ 85288
Business Address 58 S RIVER DRIVE SUITE 370 TEMPE AZ 85288 4809675146
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.: 241413783
SIC: 3559 Special Industry Machinery, NEC
(CF Office: 06 Technology)