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Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000902219-15-000299
Filing Date
2015-02-12
Accepted
2015-02-12 10:49:27
Documents
1

Document Format Files

Seq Description Document Type Size
1 SEC SCHEDULE 13G SEC13G_Filing.htm SC 13G 18410
  Complete submission text file 0000902219-15-000299.txt   20122
Mailing Address 280 CONGRESS STREET BOSTON MA 02210
Business Address 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
SIC: 0000

Mailing Address 195 CLARKSVILLE ROAD PRINCETON JUNCTION NJ 08550
Business Address 195 CLARKSVILLE ROAD PRINCETON JUNCTION NJ 08550 609-716-4000
Mistras Group, Inc. (Subject) CIK: 0001436126 (see all company filings)

IRS No.: 223341267 | State of Incorp.: DE | Fiscal Year End: 0531
Type: SC 13G | Act: 34 | File No.: 005-85079 | Film No.: 15603277
SIC: 8711 Services-Engineering Services