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Form SC 13G - Statement of acquisition of beneficial ownership by individuals:
SEC Accession No. 0000902219-12-000121
Filing Date
2012-02-14
Accepted
2012-02-14 10:59:10
Documents
1

Document Format Files

Seq Description Document Type Size
1 DISCLOSURE DOCUMENT sec_filing.htm SC 13G 17865
  Complete submission text file 0000902219-12-000121.txt   19577
Mailing Address 5100 PATRICK HENRY DRIVE MAIL STOP P38 SANTA CLARA CA 95054
Business Address 5100 PATRICK HENRY DR SANTA CLARA CA 95054 4087644000
COHERENT INC (Subject) CIK: 0000021510 (see all company filings)

IRS No.: 941622541 | State of Incorp.: DE | Fiscal Year End: 0930
Type: SC 13G | Act: 34 | File No.: 005-15939 | Film No.: 12604136
SIC: 3826 Laboratory Analytical Instruments

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