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DH
Insider

David D Harrison

Director

David D Harrison (Director) filed 1 Form 4 report in the trailing twelve months (0 purchases, 1 sale), most often in NOV Inc. (NOV). The largest single filing was $184K of NOV (9,594 sh × $19.21, as filed), executed Jul 31.

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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
1
0 buys · 1 sells
Median delay
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$184K
shares × price, as filed
Last traded
Jul 31
Filed Jul 31

Median ADV $78.0M across their filed names

Open performance
Volume by month
$184K$92K$0Oct 2024Apr 2025Oct 2025Apr 2026Jul 2026 · sells $184K
Buys $0 Sells $184K

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

Sectors filed on
Energy 1 filing

Sector per market data · by filing · past 12 months

Most traded names
NOV NOV Inc. NOV · 0 buys · 1 sell 1 filing
Recent filings
NOVSALE NOV Inc. View filing → $184K
9,594 sh × $19.21
Exec Jul 31
Filed Jul 31 · 4:21 PM ET