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RUBICON TECHNOLOGY, INC. Form SC 13D: Beneficial ownership report (active)

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RUBICON TECHNOLOGY, INC. Form SC 13D: Beneficial ownership report (active)

Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.

  • 2022-08-24: Form SC 13D/A; Description FORM 13-D AMENDMENT; Document ac_sc13dz.htm.
  • 2022-08-24: Form SC 13D/A; Description SC 13D/A; Document brhc10041177_sc13da.htm.
  • 2022-08-23: Form SC 13D/A; Description AMENDMENT NO. 3 TO THE SCHEDULE 13D; Document sc13da308706011_08232022.htm.
  • 2022-08-22: Form SC 13D/A; Description AMENDMENT NO. 2 TO THE SCHEDULE 13D; Document sc13da211872001_08222022.htm.
FiledFormPeriod of reportDescriptionDocument
2022-08-24SC 13D/AFORM 13-D AMENDMENTac_sc13dz.htm
2022-08-24SC 13D/ASC 13D/Abrhc10041177_sc13da.htm
2022-08-23SC 13D/AAMENDMENT NO. 3 TO THE SCHEDULE 13Dsc13da308706011_08232022.htm
2022-08-22SC 13D/AAMENDMENT NO. 2 TO THE SCHEDULE 13Dsc13da211872001_08222022.htm
2022-07-12SC 13D/AFORM 13-D AMENDMENTrb_sc13dz.htm
2022-07-08SC 13D/AAMENDMENT NO. 2 TO SCHEDULE 13Dsc13da208706011_07082022.htm
2022-07-06SC 13D/ASC 13D/Abrhc10039443_sc13da.htm
2022-07-05SC 13DSC 13Dbrhc10039175_sc13d.htm
2020-09-14SC 13D/AAMENDMENT NO. 1 TO THE SCHEDULE 13Dsc13da108706011_09142020.htm
2017-12-05SC 13D/ASCHEDULE 13-D AMENDMENTrub_sc13dz.htm
2017-12-04SC 13DSCHEDULE 13D FILINGrub_sc13d.htm
2017-11-17SC 13DTHE SCHEDULE 13Dsc13d08706011_11172017.htm
2017-06-30SC 13DSCHEDULE 13-Dac_sc13d.htm
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