EDGAR Filing Documents for 0000807249-12-000075

Form SC 13D/A - General Statement of Acquisition of Beneficial Ownership: [Amend]

SEC Accession No. 0000807249-12-000075

Filing Date

2012-03-13

Accepted

2012-03-13 15:37:52

Documents

Document Format Files

Seq	Description	Document	Type	Size
1		mtrn_03.htm	SC 13D/A	306571
	Complete submission text file	0000807249-12-000075.txt		308343

Mailing Address ONE CORPORATE CENTER RYE NY 10580

Business Address ONE CORPORATE CENTER RYE NY 10580-1434 9149215000

GAMCO INVESTORS, INC. ET AL (Filed by) CIK: 0000807249 (see all company filings)

IRS No.: 133056041 | State of Incorp.: NY | Fiscal Year End: 1031
Type: SC 13D/A
SIC: 0000

Mailing Address 6070 PARKLAND BLVD. MAYFIELD HTS. OH 44124

Business Address 6070 PARKLAND BLVD. MAYFIELD HTS. OH 44124 2163834931

MATERION Corp (Subject) CIK: 0001104657 (see all company filings)

IRS No.: 341919973 | Fiscal Year End: 1231
Type: SC 13D/A | Act: 34 | File No.: 005-60271 | Film No.: 12687040
SIC: 3460 Metal Forgings & Stampings