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TWIST BIOSCIENCE CORP (TWST) Stock Ownership and Short Interest

USA - Nasdaq - NASDAQ:TWST - US90184D1000 - Common Stock

28.56 USD
+2.49 (+9.55%)
Last: 11/21/2025, 8:03:38 PM
28.39 USD
-0.17 (-0.6%)
After Hours: 11/21/2025, 8:03:38 PM
TWST Ownership Chart.TWST Ownership Chart: showing Insider, Institutional ownership and shares available to the public.TWST Ownership.InsiderInstitutional



Shares Outstanding60.36M
Float59.26M
Float Short Interest Percentage17.8%
Owners (insider)1.33%
Owners (institutional)115.89%
Owners (insider) change7.25%
Owners (institutional) change5.35%
TWST Institutional Ownership HistoryTWST Institutional Ownership HistoryTWST Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 20M 40M 60M
TWST Historical Insider Transactions ChartTWST Historical Insider Buy and Sell Transactions ChartTWST Historical Insider Transactions Dec 2024 Jan 2025 Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 0 100K -100K 200K 300K
Date Name Type Shares Price Amount
Nov 18, 2025 Leproust Emily M. Grant 146914 0.00 $ 0.00
Nov 18, 2025 Finn Patrick John Grant 68740 0.00 $ 0.00
Nov 18, 2025 Laponis Adam Grant 32648 0.00 $ 0.00
Nov 18, 2025 Cho Dennis Grant 25465 0.00 $ 0.00
Nov 18, 2025 Green Paula Grant 26200 0.00 $ 0.00
Nov 18, 2025 WERNER ROBERT F. Grant 16324 0.00 $ 0.00
Nov 18, 2025 JOHANNESSEN JAN Open Market Sale 7044 24.77 $ 174,479.88
Nov 3, 2025 Cho Dennis Open Market Sale 1019 32.08 $ 32,688.91
Nov 3, 2025 Finn Patrick John Open Market Sale 2755 32.08 $ 88,378.75
Nov 3, 2025 Green Paula Open Market Sale 1084 32.08 $ 34,774.07
Nov 3, 2025 Leproust Emily M. Open Market Sale 4887 32.08 $ 156,772.03
Nov 3, 2025 WERNER ROBERT F. Open Market Sale 160 32.08 $ 5,132.70
Oct 30, 2025 Cho Dennis Open Market Sale 6515 31.44 $ 204,859.61
Oct 30, 2025 Finn Patrick John Open Market Sale 17606 31.44 $ 553,608.35
Oct 30, 2025 Green Paula Open Market Sale 6920 31.44 $ 217,594.56
Oct 30, 2025 WERNER ROBERT F. Open Market Sale 1016 31.44 $ 31,947.41
Oct 30, 2025 Leproust Emily M. Open Market Sale 31379 31.44 $ 986,690.69
Oct 30, 2025 Laponis Adam Open Market Sale 5517 31.44 $ 173,478.20
Oct 28, 2025 Cho Dennis Grant 29518 0.00 $ 0.00
Oct 28, 2025 Finn Patrick John Grant 79785 0.00 $ 0.00
Oct 28, 2025 Green Paula Grant 35513 0.00 $ 0.00
Oct 28, 2025 Leproust Emily M. Grant 168976 0.00 $ 0.00
Oct 28, 2025 WERNER ROBERT F. Grant 5633 0.00 $ 0.00
Oct 28, 2025 Laponis Adam Grant 25000 0.00 $ 0.00
Oct 23, 2025 Finn Patrick John Open Market Sale 2240 30.88 $ 69,160.00
Oct 8, 2025 Laponis Adam Open Market Sale 5517 31.96 $ 176,314.67
Oct 6, 2025 Laponis Adam Open Market Sale 5875 32.19 $ 189,098.63
Oct 6, 2025 Leproust Emily M. Open Market Sale 31348 32.19 $ 1,008,998.08
Oct 6, 2025 WERNER ROBERT F. Open Market Sale 2041 32.19 $ 65,693.67
Oct 6, 2025 Green Paula Open Market Sale 9724 32.19 $ 312,986.39
Oct 6, 2025 Finn Patrick John Open Market Sale 23747 32.19 $ 764,344.69
Oct 6, 2025 Cho Dennis Open Market Sale 3876 32.19 $ 124,756.81
Oct 2, 2025 Leproust Emily M. Open Market Sale 476 29.16 $ 13,880.64
Oct 2, 2025 Finn Patrick John Open Market Sale 206 29.16 $ 6,007.17
Oct 2, 2025 Cho Dennis Open Market Sale 124 29.16 $ 3,615.96
Oct 2, 2025 Green Paula Open Market Sale 140 29.16 $ 4,082.54
Sep 22, 2025 Cho Dennis Open Market Sale 233 27.56 $ 6,421.48
Sep 22, 2025 Green Paula Open Market Sale 295 27.56 $ 8,130.20
Sep 22, 2025 Leproust Emily M. Open Market Sale 1704 27.56 $ 46,962.24
Sep 15, 2025 Cho Dennis Open Market Sale 94 25.33 $ 2,380.83
Sep 8, 2025 Cho Dennis Open Market Sale 269 25.76 $ 6,929.44
Sep 8, 2025 Green Paula Open Market Sale 892 25.76 $ 22,977.92
Sep 8, 2025 Leproust Emily M. Open Market Sale 2265 25.76 $ 58,346.40
Sep 8, 2025 WERNER ROBERT F. Open Market Sale 235 25.76 $ 6,053.60
Aug 25, 2025 WERNER ROBERT F. Open Market Sale 853 27.69 $ 23,620.42
Aug 21, 2025 Leproust Emily M. Open Market Sale 2716 25.96 $ 70,518.22
Aug 21, 2025 WERNER ROBERT F. Open Market Sale 238 25.96 $ 6,179.43
Aug 21, 2025 Green Paula Open Market Sale 619 25.96 $ 16,071.72
Aug 21, 2025 Laponis Adam Open Market Sale 918 25.96 $ 23,834.95
Aug 21, 2025 Finn Patrick John Open Market Sale 1840 25.96 $ 47,773.76
Aug 21, 2025 Cho Dennis Open Market Sale 521 25.96 $ 13,527.24
Aug 5, 2025 BLAKE KATRYN Grant 14353 0.00 $ 0.00
Aug 4, 2025 Finn Patrick John Open Market Sale 3189 28.36 $ 90,452.80
Aug 4, 2025 Leproust Emily M. Open Market Sale 5585 28.36 $ 158,412.94
Aug 4, 2025 Green Paula Open Market Sale 1255 28.36 $ 35,596.82
Aug 4, 2025 Cho Dennis Open Market Sale 785 28.36 $ 22,265.74
Aug 4, 2025 WERNER ROBERT F. Open Market Sale 186 28.36 $ 5,275.70
Jul 23, 2025 Finn Patrick John Open Market Sale 2232 35.74 $ 79,773.91
Jul 9, 2025 Laponis Adam Open Market Sale 2449 38.15 $ 93,419.55
Jul 2, 2025 Cho Dennis Open Market Sale 125 36.19 $ 4,524.13
Jul 2, 2025 Finn Patrick John Open Market Sale 209 36.19 $ 7,564.34
Jul 2, 2025 Leproust Emily M. Open Market Sale 476 36.19 $ 17,227.87
Jul 2, 2025 Green Paula Open Market Sale 142 36.19 $ 5,139.41
Jun 20, 2025 Leproust Emily M. Open Market Sale 1678 35.76 $ 59,996.89
Jun 20, 2025 Green Paula Open Market Sale 292 35.76 $ 10,440.46
Jun 20, 2025 Cho Dennis Open Market Sale 230 35.76 $ 8,223.65
Jun 16, 2025 Cho Dennis Open Market Sale 94 33.48 $ 3,146.65
Jun 6, 2025 Cho Dennis Open Market Sale 257 31.75 $ 8,159.75
Jun 6, 2025 Green Paula Open Market Sale 853 31.75 $ 27,082.75
Jun 6, 2025 Leproust Emily M. Open Market Sale 2170 31.75 $ 68,897.50
Jun 6, 2025 WERNER ROBERT F. Open Market Sale 225 31.75 $ 7,143.75
May 23, 2025 WERNER ROBERT F. Open Market Sale 839 27.73 $ 23,263.79
May 21, 2025 Cho Dennis Open Market Sale 531 29.75 $ 15,795.66
May 21, 2025 Green Paula Open Market Sale 632 29.75 $ 18,800.10
May 21, 2025 Finn Patrick John Open Market Sale 1877 29.75 $ 55,835.12
May 21, 2025 Leproust Emily M. Open Market Sale 2802 29.75 $ 83,351.09
May 21, 2025 WERNER ROBERT F. Open Market Sale 242 29.75 $ 7,198.77
May 21, 2025 Laponis Adam Open Market Sale 936 29.75 $ 27,843.19
May 8, 2025 Finn Patrick John Open Market Sale 20000 32.31 $ 646,260.00
May 8, 2025 Leproust Emily M. Other Disposition 3000 0.00 $ 0.00
May 7, 2025 Cho Dennis Open Market Sale 5000 32.72 $ 163,590.00
May 5, 2025 Cho Dennis Open Market Sale 689 37.65 $ 25,941.54
May 5, 2025 Finn Patrick John Open Market Sale 2800 37.65 $ 105,422.80
May 5, 2025 Green Paula Open Market Sale 1101 37.65 $ 41,453.75
May 5, 2025 WERNER ROBERT F. Open Market Sale 162 37.65 $ 6,099.46
May 5, 2025 Leproust Emily M. Open Market Sale 5042 37.65 $ 189,836.34
Apr 23, 2025 Finn Patrick John Open Market Sale 2058 40.00 $ 82,309.71
Apr 2, 2025 Leproust Emily M. Open Market Sale 492 38.73 $ 19,056.64
Apr 2, 2025 Cho Dennis Open Market Sale 124 38.73 $ 4,802.89
Apr 2, 2025 Finn Patrick John Open Market Sale 206 38.73 $ 7,979.00
Apr 2, 2025 Green Paula Open Market Sale 140 38.73 $ 5,422.62
Mar 20, 2025 Cho Dennis Open Market Sale 230 41.68 $ 9,585.48
Mar 20, 2025 Green Paula Open Market Sale 291 41.68 $ 12,127.72
Mar 20, 2025 Leproust Emily M. Open Market Sale 1726 41.68 $ 71,932.78
Mar 14, 2025 Cho Dennis Open Market Sale 92 40.05 $ 3,684.42
Mar 6, 2025 Green Paula Open Market Sale 918 40.91 $ 37,558.13
Mar 6, 2025 Cho Dennis Open Market Sale 277 40.91 $ 11,332.90
Mar 6, 2025 Leproust Emily M. Open Market Sale 2402 40.91 $ 98,273.03
Mar 6, 2025 WERNER ROBERT F. Open Market Sale 241 40.91 $ 9,860.03
Feb 21, 2025 WERNER ROBERT F. Open Market Sale 1183 42.27 $ 50,004.37
Feb 21, 2025 Cho Dennis Open Market Sale 526 44.18 $ 23,237.10
Feb 21, 2025 Finn Patrick John Open Market Sale 1839 44.18 $ 81,241.50
Feb 21, 2025 Green Paula Open Market Sale 618 44.18 $ 27,301.39
Feb 21, 2025 Laponis Adam Open Market Sale 918 44.18 $ 40,554.49
Feb 21, 2025 Leproust Emily M. Open Market Sale 2790 44.18 $ 123,253.83
Feb 7, 2025 CHESS ROBERT Open Market Sale 2940 53.14 $ 156,216.90
Feb 5, 2025 JOHANNESSEN JAN Grant 4472 0.00 $ 0.00
Feb 5, 2025 RAGUSA ROBERT P Grant 4472 0.00 $ 0.00
Feb 5, 2025 Starovasnik Melissa A. Grant 4472 0.00 $ 0.00
Feb 5, 2025 CHESS ROBERT Grant 4472 0.00 $ 0.00
Feb 5, 2025 CHAN NELSON C Grant 4472 0.00 $ 0.00
Feb 5, 2025 CRANDELL KEITH Grant 4472 0.00 $ 0.00
Feb 3, 2025 WERNER ROBERT F. Open Market Sale 185 49.35 $ 9,130.12
Feb 3, 2025 Leproust Emily M. Open Market Sale 5200 49.35 $ 256,630.40
Feb 3, 2025 Green Paula Open Market Sale 1259 49.35 $ 62,134.17
Feb 3, 2025 Finn Patrick John Open Market Sale 2845 49.35 $ 140,406.44
Feb 3, 2025 Cho Dennis Open Market Sale 806 49.35 $ 39,777.71
Jan 23, 2025 Finn Patrick John Open Market Sale 2422 50.17 $ 121,500.60
Jan 10, 2025 Laponis Adam Open Market Sale 5886 43.26 $ 254,646.02
Jan 7, 2025 CHESS ROBERT Open Market Sale 5000 50.00 $ 250,000.00
Jan 3, 2025 Cho Dennis Open Market Sale 144 45.59 $ 6,565.12
Jan 3, 2025 Finn Patrick John Open Market Sale 229 45.59 $ 10,440.36
Jan 3, 2025 Green Paula Open Market Sale 160 45.59 $ 7,294.58
Jan 3, 2025 Leproust Emily M. Open Market Sale 546 45.59 $ 24,892.74
Dec 20, 2024 Cho Dennis Open Market Sale 316 44.90 $ 14,189.35
Dec 20, 2024 Green Paula Open Market Sale 282 44.90 $ 12,662.65
Dec 20, 2024 Leproust Emily M. Open Market Sale 1654 44.90 $ 74,269.56
Dec 16, 2024 Cho Dennis Open Market Sale 133 46.81 $ 6,225.33
Dec 6, 2024 Cho Dennis Open Market Sale 367 52.70 $ 19,342.37
Dec 6, 2024 Green Paula Open Market Sale 860 52.70 $ 45,325.44
Dec 6, 2024 Leproust Emily M. Open Market Sale 2216 52.70 $ 116,792.06
Dec 6, 2024 WERNER ROBERT F. Open Market Sale 226 52.70 $ 11,911.10
Dec 4, 2024 Leproust Emily M. Grant 95350 0.00 $ 0.00
Dec 4, 2024 Finn Patrick John Grant 53634 0.00 $ 0.00
Dec 4, 2024 Laponis Adam Grant 26745 0.00 $ 0.00
Dec 4, 2024 Green Paula Grant 20428 0.00 $ 0.00
Dec 4, 2024 Cho Dennis Grant 22824 0.00 $ 0.00
Dec 4, 2024 WERNER ROBERT F. Grant 8438 0.00 $ 0.00
Nov 25, 2024 WERNER ROBERT F. Open Market Sale 789 44.20 $ 34,870.64