John D Quisel insider trades

Open-market stock purchases and sales by John D Quisel, Director at Gossamer Bio, Inc, from SEC Form 4 filings since Dec 5, 2013.

Recent trades

DateStockTradeValue
Sep 23, 2026GOSS Gossamer Bio, IncBought (not open market)—
Sep 15, 2026IRON Disc Medicine, IncBought (not open market)$36.4K
Sep 15, 2026IRON Disc Medicine, IncBought (not open market)—
Aug 17, 2026IRON Disc Medicine, IncSold$656K
Aug 17, 2026IRON Disc Medicine, IncSold$1M
Aug 17, 2026IRON Disc Medicine, IncSold$949K
Aug 17, 2026IRON Disc Medicine, IncBought (not open market)$446K
Aug 17, 2026IRON Disc Medicine, IncBought (not open market)—
Jul 13, 2026IRON Disc Medicine, IncSold$721K
Jul 13, 2026IRON Disc Medicine, IncSold$1.3M
Jul 13, 2026IRON Disc Medicine, IncSold$487K
Jul 13, 2026IRON Disc Medicine, IncBought (not open market)$252K
Jul 13, 2026IRON Disc Medicine, IncBought (not open market)$100K
Jul 13, 2026IRON Disc Medicine, IncBought (not open market)—
Jul 13, 2026IRON Disc Medicine, IncBought (not open market)—
Jun 18, 2026IRON Disc Medicine, IncSold$1.6M
Jun 18, 2026IRON Disc Medicine, IncSold$673K
Jun 18, 2026IRON Disc Medicine, IncSold$111K
Jun 18, 2026IRON Disc Medicine, IncBought (not open market)—
Jun 4, 2026GOSS Gossamer Bio, IncBought (not open market)—
Feb 17, 2026IRON Disc Medicine, IncSold$834K
Feb 10, 2026IRON Disc Medicine, IncBought (not open market)—
Feb 10, 2026IRON Disc Medicine, IncBought (not open market)—
Dec 19, 2025IRON Disc Medicine, IncBought (not open market)—
Dec 11, 2025IRON Disc Medicine, IncSold$220K

Companies traded

  • GOSS Gossamer Bio, Inc: other filings, last Sep 23, 2026
  • IRON Disc Medicine, Inc: 27 sales, last Sep 15, 2026
  • XLRN Acceleron Pharma Inc: 63 sales, last Jan 2, 2020

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