SEC Insider Transactions from WERNER ROBERT F..

Last updated: 2026-03-16 12:59 UTC | Total transactions: 40

Twist Bioscience ($TWST) Chief Accounting Officer Robert F. Werner sold common shares on the open market 18 times over the last year, totaling $643 thousand. His most recent sale occurred on March 6, 2026. These sales rank 5,949th among 11,678 individual insiders, below the average sale amount of $8.6 million across 6.4 transactions on average. Werner made no open market purchases in this period.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 6, 2026 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 246 $46.43 54,799.0000 61,311,704 0.45% 0.00%
Feb. 23, 2026 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 1693 $46.71 55,045.0000 61,311,704 2.98% 0.00%
Feb. 9, 2026 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer G Common Stock 2000 $0.00 56,738.0000 61,311,704 3.40% 0.00%
Feb. 3, 2026 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 175 $46.58 65,738.0000 61,311,704 0.27% 0.00%
Feb. 4, 2026 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 7000 $45.65 58,738.0000 61,311,704 10.65% 0.01%
Dec. 8, 2025 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 230 $32.88 65,913.0000 61,148,026 0.35% 0.00%
Nov. 24, 2025 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 822 $28.71 66,143.0000 61,148,026 1.23% 0.00%
Nov. 21, 2025 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 229 $26.50 66,965.0000 61,148,026 0.34% 0.00%
Nov. 18, 2025 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer A Common Stock 16324 $0.00 67,194.0000 61,148,026 32.09% 0.03%
Nov. 3, 2025 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 160 $32.08 50,870.0000 59,808,000 0.31% 0.00%
Oct. 30, 2025 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 1016 $31.44 51,030.0000 59,808,000 1.95% 0.00%
Oct. 28, 2025 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer A Common Stock 5633 $0.00 52,046.0000 59,808,000 12.14% 0.01%
Oct. 6, 2025 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 2041 $32.19 46,413.0000 59,808,000 4.21% 0.00%
Sept. 8, 2025 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 235 $25.76 48,454.0000 60,360,925 0.48% 0.00%
Aug. 25, 2025 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 853 $27.69 48,689.0000 60,360,925 1.72% 0.00%
Aug. 21, 2025 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 238 $25.96 49,542.0000 60,360,925 0.48% 0.00%
Aug. 4, 2025 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 186 $28.36 49,780.0000 60,360,925 0.37% 0.00%
June 6, 2025 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 225 $31.75 49,966.0000 58,016,000 0.45% 0.00%
May 23, 2025 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 839 $27.73 50,191.0000 58,016,000 1.64% 0.00%
May 21, 2025 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 242 $29.75 51,030.0000 58,016,000 0.47% 0.00%
May 5, 2025 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 162 $37.65 51,272.0000 58,016,000 0.31% 0.00%
March 6, 2025 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 241 $40.91 51,434.0000 58,016,000 0.47% 0.00%
Feb. 21, 2025 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 267 $44.18 52,591.0000 58,016,000 0.51% 0.00%
Feb. 24, 2025 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 916 $41.71 51,675.0000 58,016,000 1.74% 0.00%
Feb. 3, 2025 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 185 $49.35 52,858.0000 58,016,000 0.35% 0.00%
Dec. 6, 2024 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 226 $52.70 53,043.0000 58,016,000 0.42% 0.00%
Dec. 4, 2024 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer A Common Stock 8438 $0.00 53,269.0000 58,016,000 18.82% 0.01%
Nov. 25, 2024 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 789 $44.20 44,831.0000 58,016,000 1.73% 0.00%
Nov. 6, 2024 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 1448 $44.61 45,620.0000 58,016,000 3.08% 0.00%
Nov. 6, 2024 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 1448 $44.61 45,620.0000 58,016,000 3.08% 0.00%
Nov. 4, 2024 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer A Common Stock 8500 $0.00 47,224.0000 58,016,000 21.95% 0.01%
Nov. 4, 2024 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 156 $41.56 47,068.0000 58,016,000 0.33% 0.00%
Sept. 6, 2024 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 240 $39.16 38,724.0000 58,145,000 0.62% 0.00%
Aug. 23, 2024 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 813 $43.14 38,964.0000 58,145,000 2.04% 0.00%
Aug. 5, 2024 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 168 $39.93 39,777.0000 58,145,000 0.42% 0.00%
June 6, 2024 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 242 $51.33 39,945.0000 56,885,000 0.60% 0.00%
May 23, 2024 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 3361 $42.32 40,187.0000 56,885,000 7.72% 0.01%
May 3, 2024 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 132 $37.13 43,548.0000 56,885,000 0.30% 0.00%
March 6, 2024 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer S Common Stock 181 $37.43 43,680.0000 56,885,000 0.41% 0.00%
Feb. 2, 2024 Twist Bioscience Corp $TWST WERNER ROBERT F. Chief Accounting Officer F Common Stock 121 $36.59 43,861.0000 56,885,000 0.28% 0.00%