Paydirt
QB
Insider

Quentin S. Blackford

President and CEO

Quentin S. Blackford (President and CEO) filed 4 Form 4 reports in the trailing twelve months (0 purchases, 4 sales), most often in iRhythm Holdings, Inc. (IRTC). The largest single filing was $3.5M of IRTC (25,540 sh × $135.42, as filed), executed Feb 25.

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Return, ttmiAverage return per filing, trailing twelve months
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
returns measure stock purchases only
Filings, ttm
4
0 buys · 4 sells
Median delay
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$11.2M
shares × price, as filed
Last traded
Aug 10
Filed Aug 11

Median ADV $70.4M across their filed names

Open performance
Volume by month
$4.8M$2.4M$0Oct 2024Apr 2025Oct 2025Apr 2026Nov 2024 · sells $1.2MFeb 2025 · sells $2.5MMar 2025 · sells $886KAug 2025 · sells $4.8MNov 2025 · sells $2.6MFeb 2026 · sells $3.5MMar 2026 · sells $1.8MAug 2026 · sells $3.3M
Buys $0 Sells $20.5M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Healthcare 4 filings

Sector per market data · by filing · past 12 months

Most traded names
IRTC iRhythm Holdings, Inc. IRTC · 0 buys · 8 sells 8 filings
Recent filings
IRTCSALE iRhythm Holdings, Inc. View filing → $3.3M
26,859 sh × $124.65
Exec Aug 10
Filed Aug 11 · 4:02 PM ET
IRTCSALE iRhythm Holdings, Inc. View filing → $1.8M
13,813 sh across 3 lots
Exec Mar 2
Filed Mar 3 · 5:30 PM ET
IRTCSALE iRhythm Holdings, Inc. View filing → $3.5M
25,540 sh × $135.42
Exec Feb 25
Filed Feb 26 · 5:30 PM ET
IRTCSALE iRhythm Holdings, Inc. View filing → $2.6M
14,059 sh × $182.94
Exec Nov 3 2025
Filed Nov 4 2025 · 5:30 PM ET
IRTCSALE iRhythm Holdings, Inc. View filing → $4.8M
29,694 sh across 6 lots
Exec Aug 5 2025
Filed Aug 6 2025 · 5:30 PM ET
IRTCSALE iRhythm Holdings, Inc. View filing → $886K
8,145 sh × $108.77
Exec Mar 3 2025
Filed Mar 4 2025 · 5:30 PM ET
IRTCSALE iRhythm Holdings, Inc. View filing → $2.5M
22,252 sh × $112.13
Exec Feb 26 2025
Filed Feb 27 2025 · 5:30 PM ET
IRTCSALE iRhythm Holdings, Inc. View filing → $1.2M
16,145 sh × $77.41
Exec Nov 4 2024
Filed Nov 5 2024 · 5:30 PM ET