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Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000902219-14-000782
Filing Date
2014-02-14
Accepted
2014-02-14 09:32:13
Documents
1

Document Format Files

Seq Description Document Type Size
1 DISCLOSURE DOCUMENT sec_filing.htm SC 13G 17783
  Complete submission text file 0000902219-14-000782.txt   19470
Mailing Address 280 CONGRESS STREET BOSTON MA 02210
Business Address 280 CONGRESS STREET BOSTON MA 02210 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
SIC: 0000

Mailing Address 436 SEVENTH AVENUE PITTSBURGH PA 15219
Business Address 436 SEVENTH AVENUE PITTSBURGH PA 15219 412-227-2001
Koppers Holdings Inc. (Subject) CIK: 0001315257 (see all company filings)

IRS No.: 201878963 | State of Incorp.: PA | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-81507 | Film No.: 14611249
SIC: 2400 Lumber & Wood Products (No Furniture)