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Derrickson Ralph C similar filings
- 15 Jan 21 BSQUARE / Ralph C Derrickson ownership change
- 3 Nov 20 PERFICIENT / Ralph C Derrickson ownership change
- 19 Aug 20 BSQUARE / Ralph C Derrickson ownership change
- 22 May 20 BSQUARE / Ralph C Derrickson ownership change
- 12 Nov 19 PERFICIENT / Ralph C Derrickson ownership change
- 22 Aug 19 PERFICIENT / Ralph C Derrickson ownership change
- 24 May 19 BSQUARE / Ralph C Derrickson ownership change
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