Heather L Mason insider trades

Open-market stock purchases and sales by Heather L Mason, Director at Immatics NV, from SEC Form 4 filings since Feb 16, 2010.

Recent trades

DateStockTradeValue
Jun 16, 2026IMTX Immatics NVBought (not open market)—
Jun 16, 2026ASRT Assertio Holdings, IncSold (not open market)—
Jun 16, 2026ASRT Assertio Holdings, IncSold (not open market)—
Jun 16, 2026ASRT Assertio Holdings, IncSold (not open market)$627K
Jun 16, 2026ASRT Assertio Holdings, IncSold (not open market)$50.1K
May 13, 2026ASRT Assertio Holdings, IncBought (not open market)—
May 5, 2026ASRT Assertio Holdings, IncBought (not open market)—

Companies traded

  • IMTX Immatics NV: other filings, last Jun 16, 2026
  • ASRT Assertio Holdings, Inc: 2 buys, 1 sale, last Jun 16, 2026
  • ABT Abbott Laboratories: 110 sales, last Jul 1, 2017

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