Quentin S. Blackford insider trades

Open-market stock purchases and sales by Quentin S. Blackford, President and CEO at iRhythm Holdings, Inc, from SEC Form 4 filings since Oct 3, 2014.

Track record: 88% of 8 scored buys are up 5% or more since purchase, averaging +195%.

Recent trades

DateStockTradeValue
Aug 10, 2026IRTC iRhythm Holdings, IncSold$3.3M
Aug 7, 2026IRTC iRhythm Holdings, IncBought (not open market)—
Jun 10, 2026ATEC Alphatec Holdings, IncBought (not open market)—
May 29, 2026IRTC iRhythm Holdings, IncBought (not open market)$17.2K
Mar 2, 2026IRTC iRhythm Holdings, IncSold$558K
Mar 2, 2026IRTC iRhythm Holdings, IncSold$519K
Mar 2, 2026IRTC iRhythm Holdings, IncSold$697K
Feb 25, 2026IRTC iRhythm Holdings, IncSold$3.5M
Feb 25, 2026IRTC iRhythm Holdings, IncBought (not open market)—
Feb 24, 2026IRTC iRhythm Holdings, IncBought (not open market)—
Nov 3, 2025IRTC iRhythm Technologies, IncSold$2.6M

Companies traded

  • IRTC iRhythm Holdings, Inc: 1 buy, 20 sales, last Aug 10, 2026
  • ATEC Alphatec Holdings, Inc: 1 buy, last Jun 10, 2026
  • FNA Paragon 28, Inc: other filings, last Apr 21, 2025
  • AXGN Axogen, Inc: 6 buys, last Mar 30, 2022
  • DXCM DexCom Inc: 57 sales, last Sep 10, 2021
  • NUVA Nuvasive Inc: 4 sales, last Feb 8, 2017

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