Robert J. Spiegel insider trades

Open-market stock purchases and sales by Robert J. Spiegel, Unknown at Geron Corp, from SEC Form 4 filings since May 21, 2010.

Track record: 0% of 1 scored buy are up 5% or more since purchase, averaging -27%.

Recent trades

DateStockTradeValue
Sep 30, 2026GERN Geron CorpBought (not open market)$7.8K
Jun 30, 2026GERN Geron CorpBought (not open market)$7.8K
May 20, 2026GERN Geron CorpBought (not open market)—
Mar 31, 2026GERN Geron CorpBought (not open market)$7.8K
Dec 31, 2025GERN Geron CorpBought (not open market)$7.8K

Companies traded

  • GERN Geron Corp: 4 sales, last Sep 30, 2026
  • RNXT RenovoRx, Inc: 1 buy, last Oct 1, 2025
  • CYCC Cyclacel Pharmaceuticals, Inc: other filings, last Jun 30, 2023
  • ATNX Athenex, Inc: other filings, last Apr 21, 2023
  • AYLA Old Ayala, Inc: other filings, last Jan 19, 2023
  • ADXS Ayala Pharmaceuticals, Inc: other filings, last Jan 19, 2023
  • EDGE Edge Therapeutics, Inc: 1 buy, last Aug 14, 2018
  • SCMP Sucampo Pharmaceuticals, Inc: other filings, last Feb 13, 2018
  • PTCT PTC Therapeutics, Inc: 3 sales, last Jan 4, 2016
  • TLON Talon Therapeutics, Inc: other filings, last Jul 17, 2013
  • CAPS Capstone Therapeutics Corp: other filings, last Jan 1, 2012
  • HNAB Hana Biosciences Inc: other filings, last Jul 30, 2010

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