Blackford Quentin S.

SEC Form 4 insider
President and CEO · iRhythm Holdings, Inc. ($IRTC)
1 thesis · first seen Aug 11, 2026
WindowThesesResolvedWinsWin rateAvg returnMedian return
1d000———
3d1100%+0.9%+0.9%
1w111100%-8.1%-8.1%
1m111100%-9.9%-9.9%
3m000———
6m000———
1y000———

Past performance does not predict future results. Informational only, not investment advice.

Thesis history

$IRTCSEC Form 4bearish
Sold 26,859 @ $124.65 avg · $3,348,012 · 2026-08-10

Form 4: Blackford Quentin S. sold IRTC

Blackford Quentin S. (President and CEO at iRhythm Holdings, Inc.) reported an open-market sale of 26,859 shares of IRTC at an average $124.65, roughly $3,348,012, in a Form 4 filed 2026-08-11.

At post $125.35Now $109.33-12.8% since postedas of Sep 18, 4:30 PM ET
1d—
3d+0.9%
1w-8.1%
1m-9.9%
3m—
6m—
1y—
View filing on SEC.gov →

End of results.