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Latest ownership filings
4
TECHNICAL COMMUNICATIONS CORP
15 Apr 22
4
TECHNICAL COMMUNICATIONS CORP
12 May 20
4
TECHNICAL COMMUNICATIONS CORP
17 May 19
4
TECHNICAL COMMUNICATIONS CORP
14 Feb 18
4
TECHNICAL COMMUNICATIONS CORP
11 Jan 18
4
TECHNICAL COMMUNICATIONS CORP
15 Feb 17
4
TECHNICAL COMMUNICATIONS CORP
10 Feb 16
4
TECHNICAL COMMUNICATIONS CORP
11 May 15