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Robert F. Werner

Chief Accounting Officer

Robert F. Werner (Chief Accounting Officer) filed 3 Form 4 reports in the trailing twelve months (0 purchases, 3 sales), most often in Twist Bioscience Corporation (TWST). The largest single filing was $320K of TWST (7,000 sh × $45.65, as filed), executed Feb 4.

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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
3
0 buys · 3 sells
Median delay
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$722K
shares × price, as filed
Last traded
Aug 24
Filed Aug 25

Median ADV $206.2M across their filed names

Open performance
Volume by month
$320K$160K$0Oct 2024Apr 2025Oct 2025Apr 2026Feb 2026 · sells $320KMay 2026 · sells $282KAug 2026 · sells $120K
Buys $0 Sells $722K

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

Sectors filed on
Healthcare 3 filings

Sector per market data · by filing · past 12 months

Most traded names
TWST Twist Bioscience Corporation TWST · 0 buys · 3 sells 3 filings
Recent filings
TWSTSALE Twist Bioscience Corporation View filing → $120K
854 sh × $140.77
Exec Aug 24
Filed Aug 25 · 4:05 PM ET
TWSTSALE Twist Bioscience Corporation View filing → $282K
4,961 sh × $56.88
Exec May 8
Filed May 12 · 5:30 PM ET
TWSTSALE Twist Bioscience Corporation View filing → $320K
7,000 sh × $45.65
Exec Feb 4
Filed Feb 5 · 5:30 PM ET