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Insider

Katryn Blake

Director

Katryn Blake (Director) filed 1 Form 4 report in the trailing twelve months (0 purchases, 1 sale), most often in Twist Bioscience Corporation (TWST). The largest single filing was $275K of TWST (2,240 sh × $122.88, as filed), executed Aug 12.

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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
$275K
shares × price, as filed
Last traded
Aug 12
Filed Aug 14

Median ADV $206.2M across their filed names

Open performance→
Volume by month
$275K$138K$0Oct 2024Apr 2025Oct 2025Apr 2026Aug 2026 · sells $275K
Buys $0 Sells $275K

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

Sectors filed on
Healthcare 1 filing

Sector per market data · by filing · past 12 months

Most traded names
TWST Twist Bioscience Corporation TWST · 0 buys · 1 sell 1 filing
Recent filings
TWSTSALE Twist Bioscience Corporation View filing → $275K
2,240 sh × $122.88
Exec Aug 12
Filed Aug 14 · 4:12 PM ET