Robert F. Werner

Chief Accounting Officer · Twist Bioscience

Robert F. Werner (Chief Accounting Officer) filed 4 Form 4 reports in the trailing twelve months (0 purchases, 4 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. Data as of Nov 8 2026.

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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

0 buys · 4 sells

Median delay

–

measured on stock purchases

Volume, ttmiDollar value disclosed in the trailing twelve months

$1.0M

shares × price, as filed

Last traded

Oct 2

Filed Oct 5

Median ADV $206.2M across their filed names

Open performance→

Volume by month

Buys $0 Sells $1.0M

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

TWST

Twist Bioscience Corporation TWST · 0 buys · 4 sells 4 filings

Recent filings

TWSTSALE Twist Bioscience Corporation View filing → $280K
1,482 sh × $188.88
Exec Oct 2
Filed Oct 5 · 4:05 PM ET 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