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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000909012-15-000150
Filing Date
2015-03-06
Accepted
2015-03-06 14:10:16
Documents
1

Document Format Files

Seq Description Document Type Size
1 BTU t307636.txt SC 13G/A 8063
  Complete submission text file 0000909012-15-000150.txt   9676
Mailing Address 23 ESQUIRE ROAD NORTH BILLERICA MA 01862
Business Address 23 ESQUIRE ROAD NORTH BILLERICA MA 01862 5086674111
BTU INTERNATIONAL INC (Subject) CIK: 0000840883 (see all company filings)

IRS No.: 042781248 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-40644 | Film No.: 15680926
SIC: 3559 Special Industry Machinery, NEC

Mailing Address 200 STATE STREET 4TH FLOOR BOSTON MA 02109
Business Address 200 STATE STREET 4TH FLOOR BOSTON MA 02109 6177577630
IRONWOOD INVESTMENT MANAGEMENT LLC (Filed by) CIK: 0001127761 (see all company filings)

IRS No.: 043386084
Type: SC 13G/A