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Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0001034333-21-000001
Filing Date
2021-11-12
Accepted
2021-11-12 11:10:10
Documents
1

Document Format Files

Seq Description Document Type Size
1 SEC SCHEDULE 13G SEC13G_Filing.htm SC 13G/A 17202
  Complete submission text file 0001034333-21-000001.txt   18768
Mailing Address 400 BROAD STREET PO BOX 719 BELOIT WI 53511
Business Address 400 BROAD ST BELOIT WI 53511 6083648911
BLACKHAWK BANCORP INC (Subject) CIK: 0000857853 (see all company filings)

IRS No.: 391659424 | State of Incorp.: WI | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-47677 | Film No.: 211401425
SIC: 6035 Savings Institution, Federally Chartered

Mailing Address C/O WELLINGTON MANAGEMENT COMPANY, LLP 280 CONGRESS STREET BOSTON MA 02210
Business Address C/O WELLINGTON MANAGEMENT COMPANY, LLP 280 CONGRESS STREET BOSTON MA 02210 617-790-7265
Ithan Creek Master Investors (Cayman), L.P. (Filed by) CIK: 0001450835 (see all company filings)

IRS No.: 980580385 | State of Incorp.: E9 | Fiscal Year End: 0630
Type: SC 13G/A