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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000902219-18-000418
Filing Date
2018-02-12
Accepted
2018-02-12 09:59:57
Documents
1

Document Format Files

Seq Description Document Type Size
1 SEC SCHEDULE 13G SEC13G_Filing.htm SC 13G/A 35502
  Complete submission text file 0000902219-18-000418.txt   37289
Mailing Address 375 SAXONBURG BLVD SAXONBURG PA 16056
Business Address 375 SAXONBURG BLVD SAXONBURG PA 16056 724-352-4455
II-VI INC (Subject) CIK: 0000820318 (see all company filings)

IRS No.: 251214948 | State of Incorp.: PA | Fiscal Year End: 0630
Type: SC 13G/A | Act: 34 | File No.: 005-39319 | Film No.: 18594360
SIC: 3827 Optical Instruments & Lenses

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 6179515000
WELLINGTON MANAGEMENT GROUP LLP (Filed by) CIK: 0000902219 (see all company filings)

IRS No.: 042683227 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000