InsiderTrades

WERNER ROBERT F.

SEC CIK 1590947 · EDGAR

Buying vs selling by month open-market trades, last 31 months, TWST
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
TWSTTwist Bioscience CorpCAO 44.4K — $1.84M 502023-05-222026-09-08

Most active insiders at TWST, 12 months

#InsiderTitleBoughtSold
1 Leproust Emily M.CEO, Dir —$92.09M
2 Finn Patrick JohnPres, COO —$17.48M
3 Cho DennisSee Remarks —$7.13M
4 Green PaulaSVP of Human Resources —$5.67M
5 Laponis AdamCFO —$2.65M
6 CHESS ROBERTDir —$2.62M
7 WERNER ROBERT F.CAO —$1.29M
8 JOHANNESSEN JANDir —$953.3K
9 Starovasnik Melissa A.Dir —$282.4K
10 BLAKE KATRYNDir —$275.3K

Transactions 50

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-09-10 16:00 2026-09-08 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $122.62 -238 44.4K -0.5% -$29.2K
M 2026-08-25 16:05 2026-08-21+ TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $140.02 -1,523 44.6K -3% -$213.3K
2026-08-05 16:05 2026-08-03 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $85.32 -167 46.2K -0.4% -$14.2K
M 2026-06-10 16:05 2026-06-08 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $69.20 -1,359 46.8K -3% -$94.0K
2026-06-10 16:05 2026-06-08 TWST Twist Bioscience Corp WERNER ROBERT F. CAO G - Gift $0.00 -500 46.3K -1% $0
2026-05-28 16:05 2026-05-26 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $62.48 -800 48.2K -2% -$50.0K
2026-05-26 16:05 2026-05-21 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $53.26 -688 49.0K -1% -$36.6K
2026-05-12 16:05 2026-05-08 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $56.88 -4,961 49.7K -9% -$282.2K
2026-05-06 16:05 2026-05-04 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $57.15 -164 54.6K -0.3% -$9,372
2026-03-10 2026-03-06 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $46.43 -246 54.8K -0.4% -$11.4K
2026-02-25 2026-02-23 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $46.71 -1,693 55.0K -3% -$79.1K
2026-02-11 2026-02-09 TWST Twist Bioscience Corp WERNER ROBERT F. CAO G - Gift $0.00 -2,000 56.7K -3% $0
M 2026-02-05 2026-02-03+ TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $45.67 -7,175 58.7K -11% -$327.7K
2025-12-10 2025-12-08 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $32.88 -230 65.9K -0.3% -$7,562
M 2025-11-25 2025-11-21+ TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $28.23 -1,051 67.0K -2% -$29.7K
2025-11-20 2025-11-18 TWST Twist Bioscience Corp WERNER ROBERT F. CAO A - Grant $0.00 +16.3K 67.2K +32% $0
2025-11-05 2025-11-03 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $32.08 -160 50.9K -0.3% -$5,133
2025-11-03 2025-10-30 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $31.44 -1,016 51.0K -2% -$31.9K
2025-10-30 2025-10-28 TWST Twist Bioscience Corp WERNER ROBERT F. CAO A - Grant $0.00 +5,633 52.0K +12% $0
2025-10-08 2025-10-06 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $32.19 -2,041 46.4K -4% -$65.7K
2025-09-10 2025-09-08 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $25.76 -235 48.5K -0.5% -$6,054
2025-08-27 2025-08-25 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $27.69 -853 48.7K -2% -$23.6K
2025-08-25 2025-08-21 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $25.96 -238 49.5K -0.5% -$6,178
2025-08-06 2025-08-04 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $28.36 -186 49.8K -0.4% -$5,275
2025-06-10 2025-06-06 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $31.75 -225 50.0K -0.4% -$7,144
2025-05-28 2025-05-23 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $27.73 -839 50.2K -2% -$23.3K
2025-05-23 2025-05-21 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $29.75 -242 51.0K -0.5% -$7,200
2025-05-07 2025-05-05 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $37.65 -162 51.3K -0.3% -$6,099
2025-03-10 2025-03-06 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $40.91 -241 51.4K -0.5% -$9,859
M 2025-02-25 2025-02-21+ TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $42.27 -1,183 52.6K -2% -$50.0K
2025-02-05 2025-02-03 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $49.35 -185 52.9K -0.3% -$9,130
2024-12-10 2024-12-06 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $52.70 -226 53.0K -0.4% -$11.9K
2024-12-06 2024-12-04 TWST Twist Bioscience Corp WERNER ROBERT F. CAO A - Grant $0.00 +8,438 53.3K +19% $0
2024-11-27 2024-11-25 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $44.20 -789 44.8K -2% -$34.9K
A 2024-11-15 2024-11-06 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $44.61 -1,448 45.6K -3% -$64.6K
2024-11-08 2024-11-06 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $44.61 -1,448 45.6K -3% -$64.6K
2024-11-06 2024-11-04 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $41.56 -156 47.1K -0.3% -$6,483
2024-11-06 2024-11-04 TWST Twist Bioscience Corp WERNER ROBERT F. CAO A - Grant $0.00 +8,500 47.2K +22% $0
2024-09-10 2024-09-06 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $39.16 -240 38.7K -0.6% -$9,398
2024-08-27 2024-08-23 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $43.14 -813 39.0K -2% -$35.1K
2024-08-07 2024-08-05 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $39.93 -168 39.8K -0.4% -$6,708
2024-06-10 2024-06-06 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $51.33 -242 39.9K -0.6% -$12.4K
2024-05-28 2024-05-23 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $42.32 -3,361 40.2K -8% -$142.2K
2024-05-07 2024-05-03 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $37.13 -132 43.5K -0.3% -$4,901
2024-03-08 2024-03-06 TWST Twist Bioscience Corp WERNER ROBERT F. CAO S - Sale $37.43 -181 43.7K -0.4% -$6,775
2024-02-06 2024-02-02 TWST Twist Bioscience Corp WERNER ROBERT F. CAO F - Tax $36.59 -121 43.9K -0.3% -$4,427
2023-12-07 2023-12-05 TWST Twist Bioscience Corp WERNER ROBERT F. CAO F - Tax $24.67 -151 44.0K -0.3% -$3,725
2023-11-06 2023-11-02 TWST Twist Bioscience Corp WERNER ROBERT F. CAO A - Grant $0.00 +5,633 44.1K +15% $0
2023-09-07 2023-09-05 TWST Twist Bioscience Corp WERNER ROBERT F. CAO A - Grant $0.00 +8,500 38.5K +28% $0
2023-05-24 2023-05-22 TWST Twist Bioscience Corp WERNER ROBERT F. CAO A - Grant $0.00 +30.0K 30.0K New $0

Purchase Sale Sale after option exercise All abbreviations