TWST Insider Transactions
1,006 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.
TWST insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
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| Leproust Emily M. | Chief Executive Officer | 2026-08-25 | Sale | 1,093 | $154.446 |
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| Leproust Emily M. | Chief Executive Officer | 2026-08-25 | Sale | 9,181 | $153.927 |
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| Leproust Emily M. | Chief Executive Officer | 2026-08-25 | Sale | 6,412 | $152.750 |
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| Leproust Emily M. | Chief Executive Officer | 2026-08-25 | Sale | 12,236 | $151.355 |
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| Leproust Emily M. | Chief Executive Officer | 2026-08-25 | Sale | 12,648 | $150.564 |
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| WERNER ROBERT F. | Chief Accounting Officer | 2026-08-24 | Sale | 854 | $140.773 |
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| Cho Dennis | See Remarks | 2026-08-21 | Sale | 1,598 | $139.066 |
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| Finn Patrick John | President and COO | 2026-08-21 | Sale | 4,046 | $139.066 |
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| Green Paula | SVP of Human Resources | 2026-08-21 | Sale | 1,360 | $139.066 |
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| Laponis Adam | Chief Financial Officer | 2026-08-21 | Sale | 1,965 | $139.066 |
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| Leproust Emily M. | Chief Executive Officer | 2026-08-21 | Sale | 6,639 | $139.066 |
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| WERNER ROBERT F. | Chief Accounting Officer | 2026-08-21 | Sale | 669 | $139.066 |
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| Cho Dennis | See Remarks | 2026-08-19 | Sale | 14,205 | $129.75 |
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| Finn Patrick John | President and COO | 2026-08-18 | Sale | 2,000 | $122.581 |
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| Finn Patrick John | President and COO | 2026-08-18 | Sale | 6,296 | $121.007 |
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| Finn Patrick John | President and COO | 2026-08-18 | Sale | 12,917 | $119.858 |
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| Finn Patrick John | President and COO | 2026-08-18 | Sale | 4,500 | $119.040 |
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| Finn Patrick John | President and COO | 2026-08-18 | Sale | 8,868 | $117.697 |
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| Finn Patrick John | President and COO | 2026-08-18 | Sale | 10,420 | $116.8202 |
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| Finn Patrick John | President and COO | 2026-08-18 | Sale | 33,354 | $115.899 |
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| BLAKE KATRYN | Director | 2026-08-12 | Sale | 2,240 | $122.88 |
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| Leproust Emily M. | Chief Executive Officer | 2026-08-12 | Sale | 19,952 | $125.0756 |
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| Leproust Emily M. | Chief Executive Officer | 2026-08-10 | Sale | 113,318 | $125.1615 |
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| CHESS ROBERT | Director | 2026-08-07 | Sale | 18,417 | $110.89 |
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| Cho Dennis | See Remarks | 2026-08-05 | Sale | 14,205 | $109.75 |
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| Finn Patrick John | President and COO | 2026-08-03 | Sale | 2,888 | $85.3212 |
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| Green Paula | SVP of Human Resources | 2026-08-03 | Sale | 1,133 | $85.3212 |
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| Leproust Emily M. | Chief Executive Officer | 2026-08-03 | Sale | 5,101 | $85.3212 |
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| WERNER ROBERT F. | Chief Accounting Officer | 2026-08-03 | Sale | 167 | $85.3212 |
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| Cho Dennis | See Remarks | 2026-08-03 | Sale | 1,070 | $85.3212 |
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| Finn Patrick John | President and COO | 2026-07-23 | Sale | 2,238 | $93.893 |
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| Laponis Adam | Chief Financial Officer | 2026-07-09 | Sale | 2,399 | $94.334 |
|---|
| Leproust Emily M. | Chief Executive Officer | 2026-06-25 | Sale | 18,880.0 | $95.0 |
|---|
| Cho Dennis | See Remarks | 2026-06-24 | Sale | 14,205.0 | $89.75 |
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| Green Paula | SVP of Human Resources | 2026-06-22 | Sale | 291.0 | $87.32 |
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| Cho Dennis | See Remarks | 2026-06-22 | Sale | 346.0 | $87.32 |
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| Leproust Emily M. | Chief Executive Officer | 2026-06-22 | Sale | 1,688.0 | $87.32 |
|---|
| Green Paula | SVP of Human Resources | 2026-06-15 | Sale | 2,028.0 | $82.17 |
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| Green Paula | SVP of Human Resources | 2026-06-15 | Sale | 24,109.0 | $81.62 |
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| Cho Dennis | See Remarks | 2026-06-08 | Sale | 402.0 | $69.84 |
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| Green Paula | SVP of Human Resources | 2026-06-08 | Sale | 884.0 | $69.84 |
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| Leproust Emily M. | Chief Executive Officer | 2026-06-08 | Sale | 2,265.0 | $69.84 |
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| WERNER ROBERT F. | Chief Accounting Officer | 2026-06-08 | Sale | 1,127.0 | $69.07 |
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| WERNER ROBERT F. | Chief Accounting Officer | 2026-06-08 | Sale | 232.0 | $69.84 |
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| Cho Dennis | See Remarks | 2026-05-29 | Sale | 14,205.0 | $69.75 |
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| Laponis Adam | Chief Financial Officer | 2026-05-29 | Sale | 4,000.0 | $70.0 |
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| Leproust Emily M. | Chief Executive Officer | 2026-05-28 | Sale | 6,465.0 | $68.61 |
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| Leproust Emily M. | Chief Executive Officer | 2026-05-28 | Sale | 7,623.0 | $67.95 |
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| Leproust Emily M. | Chief Executive Officer | 2026-05-28 | Sale | 900.0 | $66.85 |
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| Leproust Emily M. | Chief Executive Officer | 2026-05-28 | Sale | 1,482.0 | $65.33 |
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| Starovasnik Melissa A. | Director | 2026-05-28 | Sale | 2,500.0 | $68.0 |
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| Leproust Emily M. | Chief Executive Officer | 2026-05-27 | Sale | 1,265.0 | $66.28 |
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| Leproust Emily M. | Chief Executive Officer | 2026-05-27 | Sale | 23,752.0 | $65.24 |
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| Leproust Emily M. | Chief Executive Officer | 2026-05-26 | Sale | 24,282.0 | $65.08 |
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| WERNER ROBERT F. | Chief Accounting Officer | 2026-05-26 | Sale | 800.0 | $62.48 |
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| Starovasnik Melissa A. | Director | 2026-05-26 | Sale | 500.0 | $61.04 |
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| WERNER ROBERT F. | Chief Accounting Officer | 2026-05-21 | Sale | 688.0 | $53.26 |
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| Leproust Emily M. | Chief Executive Officer | 2026-05-21 | Sale | 6,888.0 | $53.26 |
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| Laponis Adam | Chief Financial Officer | 2026-05-21 | Sale | 2,019.0 | $53.26 |
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| Green Paula | SVP of Human Resources | 2026-05-21 | Sale | 1,399.0 | $53.26 |
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| Finn Patrick John | President and COO | 2026-05-21 | Sale | 4,160.0 | $53.26 |
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| Cho Dennis | See Remarks | 2026-05-21 | Sale | 1,642.0 | $53.26 |
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| JOHANNESSEN JAN | Director | 2026-05-12 | Sale | 12,000.0 | $56.12 |
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| WERNER ROBERT F. | Chief Accounting Officer | 2026-05-08 | Sale | 4,961.0 | $56.88 |
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| Cho Dennis | See Remarks | 2026-05-04 | Sale | 1,962.0 | $57.15 |
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| Leproust Emily M. | Chief Executive Officer | 2026-05-04 | Sale | 5,127.0 | $57.15 |
|---|
| Finn Patrick John | President and COO | 2026-05-04 | Sale | 2,844.0 | $57.15 |
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| Green Paula | SVP of Human Resources | 2026-05-04 | Sale | 1,116.0 | $57.15 |
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| WERNER ROBERT F. | Chief Accounting Officer | 2026-05-04 | Sale | 164.0 | $57.15 |
|---|
| Starovasnik Melissa A. | Director | 2026-04-27 | Sale | 500.0 | $61.83 |
|---|
| Finn Patrick John | President and COO | 2026-04-23 | Sale | 2,321.0 | $60.76 |
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| Leproust Emily M. | Chief Executive Officer | 2026-04-22 | Sale | 151.0 | $66.0 |
|---|
| Leproust Emily M. | Chief Executive Officer | 2026-04-22 | Sale | 7,910.0 | $65.28 |
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| Leproust Emily M. | Chief Executive Officer | 2026-04-21 | Sale | 1,610.0 | $65.01 |
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| Laponis Adam | Chief Financial Officer | 2026-04-17 | Sale | 4,000.0 | $60.0 |
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| Laponis Adam | Chief Financial Officer | 2026-04-14 | Sale | 3,000.0 | $55.0 |
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| Laponis Adam | Chief Financial Officer | 2026-04-09 | Sale | 2,597.0 | $49.89 |
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| Starovasnik Melissa A. | Director | 2026-04-01 | Sale | 1,000.0 | $51.0 |
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| Cho Dennis | See Remarks | 2026-03-20 | Sale | 354.0 | $43.79 |
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| Green Paula | SVP of Human Resources | 2026-03-20 | Sale | 297.0 | $43.79 |
|---|
| Leproust Emily M. | Chief Executive Officer | 2026-03-20 | Sale | 1,742.0 | $43.79 |
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| CHESS ROBERT | Director | 2026-03-17 | Sale | 10,000.0 | $47.0 |
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| WERNER ROBERT F. | Chief Accounting Officer | 2026-03-06 | Sale | 246.0 | $46.43 |
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| Cho Dennis | See Remarks | 2026-03-06 | Sale | 425.0 | $46.43 |
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| Green Paula | SVP of Human Resources | 2026-03-06 | Sale | 935.0 | $46.43 |
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| Leproust Emily M. | Chief Executive Officer | 2026-03-06 | Sale | 2,423.0 | $46.43 |
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| Green Paula | SVP of Human Resources | 2026-02-23 | Sale | 1,465.0 | $46.71 |
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| Cho Dennis | See Remarks | 2026-02-23 | Sale | 844.0 | $46.71 |
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| Finn Patrick John | President and COO | 2026-02-23 | Sale | 4,294.0 | $46.71 |
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| WERNER ROBERT F. | Chief Accounting Officer | 2026-02-23 | Sale | 1,693.0 | $46.71 |
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| Laponis Adam | Chief Financial Officer | 2026-02-23 | Sale | 2,085.0 | $46.71 |
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| Leproust Emily M. | Chief Executive Officer | 2026-02-23 | Sale | 7,205.0 | $46.71 |
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| Green Paula | SVP of Human Resources | 2026-02-17 | Sale | 39,404.0 | $52.4 |
|---|
| Finn Patrick John | President and COO | 2026-02-17 | Sale | 3,541.0 | $53.11 |
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| Finn Patrick John | President and COO | 2026-02-17 | Sale | 26,952.0 | $52.69 |
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| Finn Patrick John | President and COO | 2026-02-17 | Sale | 16,616.0 | $51.42 |
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| Finn Patrick John | President and COO | 2026-02-17 | Sale | 21,858.0 | $50.32 |
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| CHESS ROBERT | Director | 2026-02-13 | Sale | 2,184.0 | $48.26 |
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| Finn Patrick John | President and COO | 2026-02-13 | Sale | 1,750.0 | $50.04 |
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| Finn Patrick John | President and COO | 2026-02-12 | Sale | 3,500.0 | $50.23 |
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