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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000950142-20-000963
Filing Date
2020-03-31
Accepted
2020-03-31 18:02:49
Documents
1
Period of Report
2020-03-27

Document Format Files

Seq Description Document Type Size
1 OWNERSHIP DOCUMENT es2000561_4-wolverine.html 4  
1 OWNERSHIP DOCUMENT es2000561_4-wolverine.xml 4 12725
  Complete submission text file 0000950142-20-000963.txt   15514
Mailing Address 1420 KENSINGTON ROAD SUITE 220 OAK BROOK IL 60523
Business Address 1420 KENSINGTON ROAD SUITE 220 OAK BROOK IL 60523 8474557111
A. M. Castle & Co. (Issuer) CIK: 0000018172 (see all company filings)

IRS No.: 360879160 | State of Incorp.: MD | Fiscal Year End: 1231
SIC: 5051 Wholesale-Metals Service Centers & of fices

Mailing Address 175 WEST JACKSON SUITE 340 CHICAGO IL 60604
Business Address 175 W. JACKSON SUITE 340 CHICAGO IL 60064 3128844400
WOLVERINE ASSET MANAGEMENT LLC (Reporting) CIK: 0001279891 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-05415 | Film No.: 20763113

Mailing Address 175 W. JACKSON BLVD. SUITE 200 CHICAGO IL 60604
Business Address 175 W. JACKSON BLVD. SUITE 200 CHICAGO IL 60604 312-884-4000
Wolverine Holdings, L.P. (Reporting) CIK: 0001542456 (see all company filings)

State of Incorp.: IL | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-05415 | Film No.: 20763114

Mailing Address 175 WEST JACKSON BLVD SUITE 200 CHICAGO IL 60604
Business Address 175 WEST JACKSON BLVD SUITE 200 CHICAGO IL 60604 312-884-3745
Wolverine Trading Partners, Inc. (Reporting) CIK: 0001642866 (see all company filings)

State of Incorp.: IL | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-05415 | Film No.: 20763112