Insider Transactions last 24 months for Twist Bioscience Corporation - NSDQ: TWST
Transactions
All
Buy
Sell
Option Exercise
Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Leproust Emily M. Chief Executive Officer 09/22/2025 DS Direct COM 1,704 $27.56 $46,962.24 633,036 Green Paula SVP of Human Resources 09/22/2025 DS Direct COM 295 $27.56 $8,130.20 124,542 Cho Dennis See Remarks 09/22/2025 DS Direct COM 233 $27.56 $6,421.48 102,710 Cho Dennis See Remarks 09/15/2025 DS Direct COM 94 $25.33 $2,380.83 102,943 Werner Robert F. Chief Accounting Officer 09/08/2025 DS Direct COM 235 $25.76 $6,053.60 48,454 Leproust Emily M. Chief Executive Officer 09/08/2025 DS Direct COM 2,265 $25.76 $58,346.40 634,740 Green Paula SVP of Human Resources 09/08/2025 DS Direct COM 892 $25.76 $22,977.92 124,837 Cho Dennis See Remarks 09/08/2025 DS Direct COM 269 $25.76 $6,929.44 103,037 Werner Robert F. Chief Accounting Officer 08/25/2025 DS Direct COM 853 $27.69 $23,620.42 48,689 Cho Dennis See Remarks 08/21/2025 DS Direct COM 521 $25.96 $13,527.24 103,306 Finn Patrick John President and COO 08/21/2025 DS Direct COM 1,840 $25.96 $47,773.76 233,529 Laponis Adam Chief Financial Officer 08/21/2025 DS Direct COM 918 $25.96 $23,834.95 102,917 Green Paula SVP of Human Resources 08/21/2025 DS Direct COM 619 $25.96 $16,071.72 125,729 Werner Robert F. Chief Accounting Officer 08/21/2025 DS Direct COM 238 $25.96 $6,179.43 49,542 Leproust Emily M. Chief Executive Officer 08/21/2025 DS Direct COM 2,716 $25.96 $70,518.22 637,005 Blake Katryn Director 08/05/2025 AA Direct COM 14,353 $0.00 $0.00 14,353 Finn Patrick John President and COO 08/04/2025 DS Direct COM 3,189 $28.36 $90,452.80 235,153 Cho Dennis See Remarks 08/04/2025 DS Direct COM 785 $28.36 $22,265.74 103,827 Green Paula SVP of Human Resources 08/04/2025 DS Direct COM 1,255 $28.36 $35,596.82 126,206 Leproust Emily M. Chief Executive Officer 08/04/2025 DS Direct COM 5,585 $28.36 $158,412.94 639,721 Werner Robert F. Chief Accounting Officer 08/04/2025 DS Direct COM 186 $28.36 $5,275.70 49,780 Finn Patrick John President and COO 07/23/2025 DS Direct COM 2,232 $35.74 $79,773.91 238,342 Laponis Adam Chief Financial Officer 07/09/2025 DS Direct COM 2,449 $38.15 $93,419.55 103,569 Green Paula SVP of Human Resources 07/02/2025 DS Direct COM 142 $36.19 $5,139.41 127,461 Leproust Emily M. Chief Executive Officer 07/02/2025 DS Direct COM 476 $36.19 $17,227.87 645,306
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Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Blake Katryn Director 08/05/2025 AA Direct COM 14,353 $0.00 $0.00 14,353 Chan Nelson C Director 02/05/2025 AA Direct COM 4,472 $0.00 $0.00 28,156 Chess Robert Director 02/05/2025 AA Direct COM 4,472 $0.00 $0.00 21,113 Starovasnik Melissa A. Director 02/05/2025 AA Direct COM 4,472 $0.00 $0.00 21,627 Ragusa Robert P Director 02/05/2025 AA Direct COM 4,472 $0.00 $0.00 23,888 Johannessen Jan Director 02/05/2025 AA Direct COM 4,472 $0.00 $0.00 21,903 Crandell Keith Director 02/05/2025 AA Direct COM 4,472 $0.00 $0.00 22,476 Werner Robert F. Chief Accounting Officer 12/04/2024 AA Direct COM 8,438 $0.00 $0.00 53,269 Cho Dennis See Remarks 12/04/2024 AA Direct COM 22,824 $0.00 $0.00 113,987 Green Paula SVP of Human Resources 12/04/2024 AA Direct COM 20,428 $0.00 $0.00 134,575 Laponis Adam Chief Financial Officer 12/04/2024 AA Direct COM 26,745 $0.00 $0.00 115,982 Finn Patrick John President and COO 12/04/2024 AA Direct COM 53,634 $0.00 $0.00 274,695 Leproust Emily M. Chief Executive Officer 12/04/2024 AA Direct COM 95,350 $0.00 $0.00 676,934 Werner Robert F. Chief Accounting Officer 11/04/2024 AA Direct COM 8,500 $0.00 $0.00 47,224 Laponis Adam Chief Financial Officer 11/04/2024 AA Direct COM 20,000 $0.00 $0.00 93,397 Finn Patrick John President and COO 11/04/2024 AA Direct COM 23,551 $0.00 $0.00 240,321 Finn Patrick John President and COO 11/04/2024 AA Direct COM 27,287 $0.00 $0.00 216,770 Finn Patrick John President and COO 11/04/2024 AA Direct COM 30,000 $0.00 $0.00 189,483 Leproust Emily M. Chief Executive Officer 11/04/2024 AA Direct COM 45,954 $0.00 $0.00 608,727 Leproust Emily M. Chief Executive Officer 11/04/2024 AA Direct COM 80,855 $0.00 $0.00 562,773 Cho Dennis See Remarks 11/04/2024 AA Direct COM 12,000 $0.00 $0.00 87,289 Green Paula SVP of Human Resources 11/04/2024 AA Direct COM 7,485 $0.00 $0.00 122,070 Green Paula SVP of Human Resources 11/04/2024 AA Direct COM 30,000 $0.00 $0.00 114,585 Starovasnik Melissa A. Director 02/06/2024 AA Direct COM 5,815 $0.00 $0.00 17,155 Crandell Keith Director 02/06/2024 AA Direct COM 5,815 $0.00 $0.00 18,004
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Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Leproust Emily M. Chief Executive Officer 09/22/2025 DS Direct COM 1,704 $27.56 $46,962.24 633,036 Green Paula SVP of Human Resources 09/22/2025 DS Direct COM 295 $27.56 $8,130.20 124,542 Cho Dennis See Remarks 09/22/2025 DS Direct COM 233 $27.56 $6,421.48 102,710 Cho Dennis See Remarks 09/15/2025 DS Direct COM 94 $25.33 $2,380.83 102,943 Werner Robert F. Chief Accounting Officer 09/08/2025 DS Direct COM 235 $25.76 $6,053.60 48,454 Leproust Emily M. Chief Executive Officer 09/08/2025 DS Direct COM 2,265 $25.76 $58,346.40 634,740 Green Paula SVP of Human Resources 09/08/2025 DS Direct COM 892 $25.76 $22,977.92 124,837 Cho Dennis See Remarks 09/08/2025 DS Direct COM 269 $25.76 $6,929.44 103,037 Werner Robert F. Chief Accounting Officer 08/25/2025 DS Direct COM 853 $27.69 $23,620.42 48,689 Cho Dennis See Remarks 08/21/2025 DS Direct COM 521 $25.96 $13,527.24 103,306 Finn Patrick John President and COO 08/21/2025 DS Direct COM 1,840 $25.96 $47,773.76 233,529 Laponis Adam Chief Financial Officer 08/21/2025 DS Direct COM 918 $25.96 $23,834.95 102,917 Green Paula SVP of Human Resources 08/21/2025 DS Direct COM 619 $25.96 $16,071.72 125,729 Werner Robert F. Chief Accounting Officer 08/21/2025 DS Direct COM 238 $25.96 $6,179.43 49,542 Leproust Emily M. Chief Executive Officer 08/21/2025 DS Direct COM 2,716 $25.96 $70,518.22 637,005 Finn Patrick John President and COO 08/04/2025 DS Direct COM 3,189 $28.36 $90,452.80 235,153 Cho Dennis See Remarks 08/04/2025 DS Direct COM 785 $28.36 $22,265.74 103,827 Green Paula SVP of Human Resources 08/04/2025 DS Direct COM 1,255 $28.36 $35,596.82 126,206 Leproust Emily M. Chief Executive Officer 08/04/2025 DS Direct COM 5,585 $28.36 $158,412.94 639,721 Werner Robert F. Chief Accounting Officer 08/04/2025 DS Direct COM 186 $28.36 $5,275.70 49,780 Finn Patrick John President and COO 07/23/2025 DS Direct COM 2,232 $35.74 $79,773.91 238,342 Laponis Adam Chief Financial Officer 07/09/2025 DS Direct COM 2,449 $38.15 $93,419.55 103,569 Green Paula SVP of Human Resources 07/02/2025 DS Direct COM 142 $36.19 $5,139.41 127,461 Leproust Emily M. Chief Executive Officer 07/02/2025 DS Direct COM 476 $36.19 $17,227.87 645,306 Finn Patrick John President and COO 07/02/2025 DS Direct COM 209 $36.19 $7,564.34 240,574
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Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Chess Robert Director 12/05/2024 AM Direct COM 3,504 $8.82 $30,905.28 25,145 Chess Robert Director 11/11/2024 AM Direct COM 3,600 $8.82 $31,752.00 25,241
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Transaction Type Key A = Acquired, D = Disposed A = Grant, award or other acquisition pursuant to Rule 16b-3(d)
C = Conversion of derivative security |
D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) |
E = Expiration of short derivative position |
F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. |
G = Gift |
H = Expiration (or cancellation) of long derivative position with value received |
I = Discretionary transaction in accordance with Rule 16b-3(f) |
J = Other |
L = Small acquisition under Rule 16a-6 |
M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 |
O = Exercise of out-of-the-money derivative security |
P = Open market or private purchase |
S = Open market or private sale |
U = Disposition pursuant to a tender of shares in a change of control transaction |
W = Acquisition or disposition by will or the laws of descent and distribution |
X = Exercise of in-the-money or at-the-money derivative security |
Z = Deposit into or withdrawal from voting trust
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