William Banyai
See Remarks at Twist Bioscience Corporation
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Twist Bioscience Corporation, 3 years.
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| May 3, 2024 | Twist Bioscience Corporation | Open-market sale | −798 | $37.13 | $29,630 |
| Apr 2, 2024 | Twist Bioscience Corporation | Open-market sale | −327 | $32.74 | $10,706 |
| Mar 20, 2024 | Twist Bioscience Corporation | Open-market sale | −442 | $33.52 | $14,816 |
| Mar 6, 2024 | Twist Bioscience Corporation | Open-market sale | −549 | $37.43 | $20,549 |
| Feb 2, 2024 | Twist Bioscience Corporation | Shares withheld for tax | −1,043 | $36.59 | $38,163 |
| Jan 2, 2024 | Twist Bioscience Corporation | Shares withheld for tax | −356 | $36.86 | $13,122 |
| Dec 19, 2023 | Twist Bioscience Corporation | Shares withheld for tax | −608 | $38.33 | $23,305 |
| Dec 5, 2023 | Twist Bioscience Corporation | Shares withheld for tax | −775 | $24.67 | $19,119 |
| Nov 20, 2023 | Twist Bioscience Corporation | Shares withheld for tax | −968 | $24.74 | $23,948 |
| Nov 2, 2023 | Twist Bioscience Corporation | Grant or award | +19,743 | — | — |
| Nov 2, 2023 | Twist Bioscience Corporation | Shares withheld for tax | −2,731 | $17.31 | $47,274 |
| Nov 2, 2023 | Twist Bioscience Corporation | Grant or award | +41,455 | — | — |
| Oct 24, 2023 | Twist Bioscience Corporation | Shares withheld for tax | −201 | $16.58 | $3,333 |
| Sep 29, 2023 | Twist Bioscience Corporation | Shares withheld for tax | −301 | $20.26 | $6,098 |
| Sep 19, 2023 | Twist Bioscience Corporation | Shares withheld for tax | −424 | $20.33 | $8,620 |
Questions about William Banyai
What boards is William Banyai on?
William Banyai sits on the board of Twist Bioscience Corporation.
How long has William Banyai served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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