Richard S Kollender insider trades

Open-market stock purchases and sales by Richard S Kollender, Director at Rapid Micro Biosystems, Inc, from SEC Form 4 filings since Mar 1, 2011.

Track record: 100% of 1 scored buy are up 5% or more since purchase, averaging +158%.

Recent trades

DateStockTradeValue
Jul 24, 2026RPID Rapid Micro Biosystems, IncBought (not open market)—
Jul 24, 2026RPID Rapid Micro Biosystems, IncBought (not open market)—
May 21, 2026RPID Rapid Micro Biosystems, IncBought (not open market)—
May 21, 2026RPID Rapid Micro Biosystems, IncBought (not open market)—

Companies traded

  • RPID Rapid Micro Biosystems, Inc: 1 buy, last Jul 24, 2026
  • SBBP Strongbridge Biopharma plc: other filings, last Oct 5, 2021
  • [RPID] Rapid Micro Biosystems, Inc: other filings, last Sep 9, 2021
  • NONE Celator Pharmaceuticals Inc: other filings, last Jul 12, 2016
  • PATH Nupathe Inc: other filings, last Feb 21, 2014
  • INSM Insmed Inc: other filings, last Oct 31, 2013
  • CELPHAP Celator Pharmaceuticals Inc: other filings, last Jun 3, 2013

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