Insider NameBuy/SellCompany NameTickerAmountShares Change
Mar 03, 2025Mar 04, 2025Blackford Quentin S.
Pres
CEO
SellIrhythm Technologies, Inc.IRTC$108.77$885,932-3.76%
Feb 26, 2025Feb 27, 2025Blackford Quentin S.
Pres
CEO
SellIrhythm Technologies, Inc.IRTC$112.13$2M-9.31%
Nov 04, 2024Nov 05, 2024Blackford Quentin S.
Pres
CEO
SellIrhythm Technologies, Inc.IRTC$77.41$1M-9.17%
Mar 07, 2024Mar 09, 2024Blackford Quentin S.
Dir
BuyAlphatec Holdings, Inc.ATEC$12.83$256,600+3.37%
Mar 04, 2024Mar 05, 2024Blackford Quentin S.
Pres
CEO
SellIrhythm Technologies, Inc.IRTC$111.14$469,122-2.34%
Feb 29, 2024Mar 02, 2024Blackford Quentin S.
Pres
CEO
SellIrhythm Technologies, Inc.IRTC$121.96$3M-12.07%
Jun 06, 2023Dec 07, 2023Blackford Quentin S.
Pres
CEO
BuyIrhythm Technologies, Inc.IRTC$102.27$997,644+7.06%
Nov 02, 2022Nov 04, 2022Blackford Quentin S.
Pres
CEO
SellIrhythm Technologies, Inc.IRTC$122.4$2M-12.45%
Sep 08, 2021Sep 10, 2021Blackford Quentin S.
COO
SellDexcom IncDXCM$547.62$10M-49.19%
May 28, 2021Jun 02, 2021Blackford Quentin S.
COO
SellDexcom IncDXCM$375$3M-15.99%
Mar 10, 2021Mar 12, 2021Blackford Quentin S.
COO
CFO
SellDexcom IncDXCM$362.22$2M-12.60%
Sep 09, 2020Sep 11, 2020Blackford Quentin S.
COO
CFO
SellDexcom IncDXCM$399.41$10M-36.24%
Aug 09, 2019Jun 05, 2020Blackford Quentin S.
Dir
BuyAxogen, Inc.AXGN$14.01$217,673+50.00%
Mar 11, 2020Mar 14, 2020Blackford Quentin S.
COO
CFO
SellDexcom IncDXCM$248.98$3M-15.36%
Mar 09, 2020Mar 11, 2020Blackford Quentin S.
COO
CFO
SellDexcom IncDXCM$261$232,551-1.08%
Sep 10, 2019Sep 12, 2019Blackford Quentin S.
EVP CFO
SellDexcom IncDXCM$141.25$1M-12.89%
Sep 09, 2019Sep 12, 2019Blackford Quentin S.
EVP CFO
SellDexcom IncDXCM$149.86$2M-12.74%
Aug 09, 2019Aug 13, 2019Blackford Quentin S.
Dir
BuyAxogen, Inc.AXGN$14.01$217,673+28.24%
May 29, 2019May 30, 2019Blackford Quentin S.
EVP CFO
SellDexcom IncDXCM$118.95$1M-8.82%
Mar 12, 2019Mar 13, 2019Blackford Quentin S.
EVP CFO
SellDexcom IncDXCM$142.79$765,081-5.06%
Sep 11, 2018Sep 14, 2018Blackford Quentin S.
EVP
CFO
PFO
PAO
SellDexcom IncDXCM$147.04$1M-8.83%
Sep 10, 2018Sep 13, 2018Blackford Quentin S.
EVP
CFO
PFO
PAO
SellDexcom IncDXCM$143.76$1M-6.96%
Dec 07, 2015Dec 08, 2015Blackford Quentin S.
CFO
CAO
SellNuvasive IncNUVA$51.1$766,500-85.23%
Oct 03, 2014Apr 08, 2015Blackford Quentin S.
CFO
CAO
SellNuvasive IncNUVA$36.3$181,513-27.93%
Nov 19, 2014Nov 20, 2014Blackford Quentin S.
CFO
CAO
SellNuvasive IncNUVA$43.41$334,178-90.59%
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