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Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000902219-11-000890
Filing Date
2011-02-14
Accepted
2011-02-14 13:54:29
Documents
1

Document Format Files

Seq Description Document Type Size
1 SEC FILING sec_filing.htm SC 13G 17721
  Complete submission text file 0000902219-11-000890.txt   19720
Mailing Address 2723 SOUTH STATE STREET ANN ARBOR MI 48104
Business Address 2723 SOUTH STATE STREET ANN ARBOR MI 48104 7342143700
UNITED BANCORP INC /MI/ (Subject) CIK: 0000775345 (see all company filings)

IRS No.: 382606280 | State of Incorp.: MI | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-39468 | Film No.: 11605397
SIC: 6022 State Commercial Banks

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