21 results
8-K
EX-2.1
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13 Dec 18
MISTRAS Group Announces Acquisition of Onstream Pipeline Inspection For $143 Million And Increases Fiscal 2018 Revenue Guidance to $740 Million
4:11pm
10-KT
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20 Mar 17
Annual report (with FYE transition)
12:00am
10-K
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17 Aug 10
Annual report
12:00am
424B4
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9 Oct 09
Prospectus supplement with pricing info
12:00am