SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000902219-09-000825
Filing Date
2009-02-17
Accepted
2009-02-17 15:09:52
Documents
1

Document Format Files

Seq Description Document Type Size
1 SEC FILING sec_filing.htm SC 13G/A 17702
  Complete submission text file 0000902219-09-000825.txt   19617
Mailing Address
Business Address 8005 SW BOECKMAN RD WILSONVILLE OR 97070-7777 5036857000
MENTOR GRAPHICS CORP (Subject) CIK: 0000701811 (see all company filings)

IRS No.: 930786033 | State of Incorp.: OR | Fiscal Year End: 0131
Type: SC 13G/A | Act: 34 | File No.: 005-38367 | Film No.: 09611501
SIC: 7373 Services-Computer Integrated Systems Design

Mailing Address 75 STATE STREET BOSTON MA 02109
Business Address 75 STATE STREET BOSTON MA 02109 6179515000
WELLINGTON MANAGEMENT CO LLP (Filed by) CIK: 0000902219 (see all company filings)

IRS No.: 042683227 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000