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Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000932471-12-003320
Filing Date
2012-02-10
Accepted
2012-02-10 11:31:59
Documents
1

Document Format Files

Seq Description Document Type Size
1 ceradyneinc.htm SC 13G 37674
  Complete submission text file 0000932471-12-003320.txt   39127
Mailing Address 3169 RED HILL AVENUE COSTA MESA CA 92626
Business Address 3169 RED HILL AVENUE COSTA MESA CA 92626 7145490421
CERADYNE INC (Subject) CIK: 0000018937 (see all company filings)

IRS No.: 330055414 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-37271 | Film No.: 12590431
SIC: 3990 Miscellaneous Manufacturing Industries

Mailing Address PO BOX 2600 V26 VALLEY FORGE PA 19482-2600
Business Address PO BOX 2600 V26 VALLEY FORGE PA 19482-2600 6106691000
VANGUARD GROUP INC (Filed by) CIK: 0000102909 (see all company filings)

IRS No.: 231945930 | State of Incorp.: PA | Fiscal Year End: 1231
Type: SC 13G