TWST Twist Bioscience Corp
Nasdaq · SEC CIK 1581280 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $131.37M 134 sales by 10 insiders
- Filings on record
- 691 since 2021-07-06, latest 2026-09-25 16:05
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Leproust Emily M. | CEO, Dir | — | $93.02M |
| Finn Patrick John | Pres, COO | — | $17.48M |
| Cho Dennis | See Remarks | — | $7.13M |
| Green Paula | SVP of Human Resources | — | $5.67M |
| Laponis Adam | CFO | — | $2.65M |
| CHESS ROBERT | Dir | — | $2.62M |
| WERNER ROBERT F. | CAO | — | $1.29M |
| JOHANNESSEN JAN | Dir | — | $953.3K |
| Starovasnik Melissa A. | Dir | — | $282.4K |
| BLAKE KATRYN | Dir | — | $275.3K |
Transactions 788
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MT | 2026-09-25 16:05 | 2026-09-24 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $177.38 | -5,203 | 613.7K | -0.8% | -$922.9K |
| 2026-09-23 16:08 | 2026-09-21 | TWST | Cho Dennis | See Remarks | S - Sale | $165.49 | -348 | 73.3K | -0.5% | -$57.6K | |
| 2026-09-23 16:07 | 2026-09-21 | TWST | Green Paula | SVP of Human Resources | S - Sale | $165.49 | -294 | 116.7K | -0.3% | -$48.7K | |
| 2026-09-23 16:07 | 2026-09-21 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $165.49 | -1,687 | 618.9K | -0.3% | -$279.2K | |
| DMT | 2026-09-21 16:05 | 2026-09-17 | TWST | Leproust Emily M. | CEO, Dir | M - OptEx | $20.21 | +208.7K | 977.1K | +27% | +$4.22M |
| DMT | 2026-09-21 16:05 | 2026-09-17 | TWST | Leproust Emily M. | CEO, Dir | S - Sale+OE | $157.99 | -356.5K | 620.6K | -36% | -$56.33M |
| 2026-09-10 16:00 | 2026-09-08 | TWST | Cho Dennis | See Remarks | S - Sale | $122.62 | -412 | 73.7K | -0.6% | -$50.5K | |
| 2026-09-10 16:00 | 2026-09-08 | TWST | Green Paula | SVP of Human Resources | S - Sale | $122.62 | -907 | 117.0K | -0.8% | -$111.2K | |
| 2026-09-10 16:00 | 2026-09-08 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $122.62 | -2,302 | 768.4K | -0.3% | -$282.3K | |
| 2026-09-10 16:00 | 2026-09-08 | TWST | WERNER ROBERT F. | CAO | S - Sale | $122.62 | -238 | 44.4K | -0.5% | -$29.2K | |
| MT | 2026-08-27 16:05 | 2026-08-25 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $151.98 | -41.6K | 770.7K | -5% | -$6.32M |
| 2026-08-25 16:05 | 2026-08-21 | TWST | Cho Dennis | See Remarks | S - Sale | $139.07 | -1,598 | 74.1K | -2% | -$222.2K | |
| 2026-08-25 16:05 | 2026-08-21 | TWST | Finn Patrick John | Pres, COO | S - Sale | $139.07 | -4,046 | 210.8K | -2% | -$562.7K | |
| 2026-08-25 16:05 | 2026-08-21 | TWST | Green Paula | SVP of Human Resources | S - Sale | $139.07 | -1,360 | 117.9K | -1% | -$189.1K | |
| 2026-08-25 16:05 | 2026-08-21 | TWST | Laponis Adam | CFO | S - Sale | $139.07 | -1,965 | 108.6K | -2% | -$273.3K | |
| 2026-08-25 16:05 | 2026-08-21 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $139.07 | -6,639 | 812.3K | -0.8% | -$923.3K | |
| M | 2026-08-25 16:05 | 2026-08-21+ | TWST | WERNER ROBERT F. | CAO | S - Sale | $140.02 | -1,523 | 44.6K | -3% | -$213.3K |
| T | 2026-08-21 16:05 | 2026-08-19 | TWST | Cho Dennis | See Remarks | S - Sale | $129.75 | -14.2K | 75.7K | -16% | -$1.84M |
| DT | 2026-08-20 16:05 | 2026-08-18 | TWST | Finn Patrick John | Pres, COO | M - OptEx | $67.85 | +23.4K | 293.0K | +9% | +$1.58M |
| DMT | 2026-08-20 16:05 | 2026-08-18 | TWST | Finn Patrick John | Pres, COO | S - Sale+OE | $117.64 | -78.4K | 214.7K | -27% | -$9.22M |
| 2026-08-14 16:12 | 2026-08-12 | TWST | BLAKE KATRYN | Dir | S - Sale | $122.88 | -2,240 | 17.2K | -12% | -$275.3K | |
| DT | 2026-08-14 16:05 | 2026-08-12 | TWST | Leproust Emily M. | CEO, Dir | M - OptEx | $26.66 | +20.0K | 838.9K | +2% | +$531.9K |
| DT | 2026-08-14 16:05 | 2026-08-12 | TWST | Leproust Emily M. | CEO, Dir | S - Sale+OE | $125.08 | -20.0K | 818.9K | -2% | -$2.50M |
| DT | 2026-08-12 16:05 | 2026-08-10 | TWST | Leproust Emily M. | CEO, Dir | M - OptEx | $26.66 | +113.3K | 932.3K | +14% | +$3.02M |
| DT | 2026-08-12 16:05 | 2026-08-10 | TWST | Leproust Emily M. | CEO, Dir | S - Sale+OE | $125.16 | -113.3K | 818.9K | -12% | -$14.18M |
| DT | 2026-08-11 16:05 | 2026-08-07 | TWST | CHESS ROBERT | Dir | M - OptEx | $11.89 | +18.4K | 39.5K | +87% | +$219.0K |
| DT | 2026-08-11 16:05 | 2026-08-07 | TWST | CHESS ROBERT | Dir | S - Sale+OE | $110.89 | -18.4K | 21.1K | -47% | -$2.04M |
| T | 2026-08-07 16:05 | 2026-08-05 | TWST | Cho Dennis | See Remarks | S - Sale | $109.75 | -14.2K | 89.9K | -14% | -$1.56M |
| 2026-08-05 16:05 | 2026-08-03 | TWST | Finn Patrick John | Pres, COO | S - Sale | $85.32 | -2,888 | 269.7K | -1% | -$246.4K | |
| 2026-08-05 16:05 | 2026-08-03 | TWST | Green Paula | SVP of Human Resources | S - Sale | $85.32 | -1,133 | 119.3K | -0.9% | -$96.7K | |
| 2026-08-05 16:05 | 2026-08-03 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $85.32 | -5,101 | 818.9K | -0.6% | -$435.2K | |
| 2026-08-05 16:05 | 2026-08-03 | TWST | WERNER ROBERT F. | CAO | S - Sale | $85.32 | -167 | 46.2K | -0.4% | -$14.2K | |
| 2026-08-05 16:05 | 2026-08-03 | TWST | Cho Dennis | See Remarks | S - Sale | $85.32 | -1,070 | 104.1K | -1% | -$91.3K | |
| 2026-07-27 16:05 | 2026-07-23 | TWST | Finn Patrick John | Pres, COO | S - Sale | $93.89 | -2,238 | 272.6K | -0.8% | -$210.1K | |
| 2026-07-13 16:05 | 2026-07-09 | TWST | Laponis Adam | CFO | S - Sale | $94.33 | -2,399 | 110.3K | -2% | -$226.3K | |
| T | 2026-06-26 16:41 | 2026-06-25 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $95.00 | -18.9K | 824.0K | -2% | -$1.79M |
| T | 2026-06-26 16:05 | 2026-06-24 | TWST | Cho Dennis | See Remarks | S - Sale | $89.75 | -14.2K | 105.1K | -12% | -$1.27M |
| 2026-06-24 16:05 | 2026-06-22 | TWST | Green Paula | SVP of Human Resources | S - Sale | $87.32 | -291 | 120.4K | -0.2% | -$25.4K | |
| 2026-06-24 16:05 | 2026-06-22 | TWST | Cho Dennis | See Remarks | S - Sale | $87.32 | -346 | 119.3K | -0.3% | -$30.2K | |
| 2026-06-24 16:05 | 2026-06-22 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $87.32 | -1,688 | 842.9K | -0.2% | -$147.4K | |
| D | 2026-06-17 16:05 | 2026-06-15 | TWST | Green Paula | SVP of Human Resources | M - OptEx | $23.33 | +26.1K | 146.8K | +22% | +$609.8K |
| DM | 2026-06-17 16:05 | 2026-06-15 | TWST | Green Paula | SVP of Human Resources | S - Sale+OE | $81.67 | -26.1K | 120.7K | -18% | -$2.13M |
| 2026-06-10 16:05 | 2026-06-08 | TWST | Cho Dennis | See Remarks | S - Sale | $69.84 | -402 | 119.7K | -0.3% | -$28.1K | |
| 2026-06-10 16:05 | 2026-06-08 | TWST | Green Paula | SVP of Human Resources | S - Sale | $69.84 | -884 | 120.7K | -0.7% | -$61.7K | |
| 2026-06-10 16:05 | 2026-06-08 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $69.84 | -2,265 | 844.6K | -0.3% | -$158.2K | |
| M | 2026-06-10 16:05 | 2026-06-08 | TWST | WERNER ROBERT F. | CAO | S - Sale | $69.20 | -1,359 | 46.8K | -3% | -$94.0K |
| 2026-06-10 16:05 | 2026-06-08 | TWST | WERNER ROBERT F. | CAO | G - Gift | $0.00 | -500 | 46.3K | -1% | $0 | |
| T | 2026-06-02 16:05 | 2026-05-29 | TWST | Cho Dennis | See Remarks | S - Sale | $69.75 | -14.2K | 120.1K | -11% | -$990.8K |
| T | 2026-06-02 16:05 | 2026-05-29 | TWST | Laponis Adam | CFO | S - Sale | $70.00 | -4,000 | 112.7K | -3% | -$280.0K |
| DT | 2026-06-01 16:05 | 2026-05-28 | TWST | Leproust Emily M. | CEO, Dir | M - OptEx | $8.82 | +16.5K | 863.3K | +2% | +$145.3K |
| DMT | 2026-06-01 16:05 | 2026-05-28 | TWST | Leproust Emily M. | CEO, Dir | S - Sale+OE | $67.91 | -16.5K | 846.9K | -2% | -$1.12M |
| T | 2026-06-01 16:05 | 2026-05-28 | TWST | Starovasnik Melissa A. | Dir | S - Sale | $68.00 | -2,500 | 22.2K | -10% | -$170.0K |
| T | 2026-05-28 16:05 | 2026-05-26 | TWST | Starovasnik Melissa A. | Dir | S - Sale | $61.04 | -500 | 24.7K | -2% | -$30.5K |
| DMT | 2026-05-28 16:05 | 2026-05-26+ | TWST | Leproust Emily M. | CEO, Dir | M - OptEx | $8.82 | +49.3K | 871.9K | +6% | +$434.8K |
| DMT | 2026-05-28 16:05 | 2026-05-26+ | TWST | Leproust Emily M. | CEO, Dir | S - Sale+OE | $65.19 | -49.3K | 846.9K | -6% | -$3.21M |
| 2026-05-28 16:05 | 2026-05-26 | TWST | WERNER ROBERT F. | CAO | S - Sale | $62.48 | -800 | 48.2K | -2% | -$50.0K | |
| 2026-05-26 16:05 | 2026-05-21 | TWST | Green Paula | SVP of Human Resources | S - Sale | $53.26 | -1,399 | 121.6K | -1% | -$74.5K | |
| 2026-05-26 16:05 | 2026-05-21 | TWST | Finn Patrick John | Pres, COO | S - Sale | $53.26 | -4,160 | 274.8K | -1% | -$221.5K | |
| 2026-05-26 16:05 | 2026-05-21 | TWST | Cho Dennis | See Remarks | S - Sale | $53.26 | -1,642 | 134.3K | -1% | -$87.4K | |
| 2026-05-26 16:05 | 2026-05-21 | TWST | WERNER ROBERT F. | CAO | S - Sale | $53.26 | -688 | 49.0K | -1% | -$36.6K | |
| 2026-05-26 16:05 | 2026-05-21 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $53.26 | -6,888 | 846.9K | -0.8% | -$366.8K | |
| 2026-05-26 16:05 | 2026-05-21 | TWST | Laponis Adam | CFO | S - Sale | $53.26 | -2,019 | 116.7K | -2% | -$107.5K | |
| D | 2026-05-14 16:05 | 2026-05-12 | TWST | JOHANNESSEN JAN | Dir | M - OptEx | $14.00 | +12.0K | 29.8K | +68% | +$168.0K |
| D | 2026-05-14 16:05 | 2026-05-12 | TWST | JOHANNESSEN JAN | Dir | S - Sale+OE | $56.12 | -12.0K | 17.8K | -40% | -$673.4K |
| 2026-05-12 16:05 | 2026-05-08 | TWST | WERNER ROBERT F. | CAO | S - Sale | $56.88 | -4,961 | 49.7K | -9% | -$282.2K | |
| 2026-05-06 16:05 | 2026-05-04 | TWST | Cho Dennis | See Remarks | S - Sale | $57.15 | -1,962 | 135.9K | -1% | -$112.1K | |
| 2026-05-06 16:05 | 2026-05-04 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $57.15 | -5,127 | 853.8K | -0.6% | -$293.0K | |
| 2026-05-06 16:05 | 2026-05-04 | TWST | Green Paula | SVP of Human Resources | S - Sale | $57.15 | -1,116 | 123.0K | -0.9% | -$63.8K | |
| 2026-05-06 16:05 | 2026-05-04 | TWST | Finn Patrick John | Pres, COO | S - Sale | $57.15 | -2,844 | 279.0K | -1% | -$162.5K | |
| 2026-05-06 16:05 | 2026-05-04 | TWST | WERNER ROBERT F. | CAO | S - Sale | $57.15 | -164 | 54.6K | -0.3% | -$9,372 | |
| T | 2026-04-29 16:05 | 2026-04-27 | TWST | Starovasnik Melissa A. | Dir | S - Sale | $61.83 | -500 | 25.2K | -2% | -$30.9K |
| 2026-04-27 16:05 | 2026-04-23 | TWST | Finn Patrick John | Pres, COO | S - Sale | $60.76 | -2,321 | 281.8K | -0.8% | -$141.0K | |
| DMT | 2026-04-23 16:05 | 2026-04-21+ | TWST | Leproust Emily M. | CEO, Dir | M - OptEx | $8.82 | +9,671 | 866.9K | +1% | +$85.3K |
| DMT | 2026-04-23 16:05 | 2026-04-21+ | TWST | Leproust Emily M. | CEO, Dir | S - Sale+OE | $65.24 | -9,671 | 858.9K | -1% | -$631.0K |
| T | 2026-04-21 16:05 | 2026-04-17 | TWST | Laponis Adam | CFO | S - Sale | $60.00 | -4,000 | 118.7K | -3% | -$240.0K |
| T | 2026-04-16 16:05 | 2026-04-14 | TWST | Laponis Adam | CFO | S - Sale | $55.00 | -3,000 | 122.7K | -2% | -$165.0K |
| 2026-04-13 16:05 | 2026-04-09 | TWST | Laponis Adam | CFO | S - Sale | $49.89 | -2,597 | 125.7K | -2% | -$129.6K | |
| T | 2026-04-03 16:00 | 2026-04-01 | TWST | Starovasnik Melissa A. | Dir | S - Sale | $51.00 | -1,000 | 25.7K | -4% | -$51.0K |
| 2026-03-24 | 2026-03-20 | TWST | Cho Dennis | See Remarks | S - Sale | $43.79 | -354 | 137.9K | -0.3% | -$15.5K | |
| 2026-03-24 | 2026-03-20 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $43.79 | -1,742 | 858.9K | -0.2% | -$76.3K | |
| 2026-03-24 | 2026-03-20 | TWST | Green Paula | SVP of Human Resources | S - Sale | $43.79 | -297 | 124.1K | -0.2% | -$13.0K | |
| D | 2026-03-19 | 2026-03-17 | TWST | CHESS ROBERT | Dir | M - OptEx | $11.89 | +10.0K | 31.1K | +47% | +$118.9K |
| D | 2026-03-19 | 2026-03-17 | TWST | CHESS ROBERT | Dir | S - Sale+OE | $47.00 | -10.0K | 21.1K | -32% | -$470.0K |
| 2026-03-10 | 2026-03-06 | TWST | WERNER ROBERT F. | CAO | S - Sale | $46.43 | -246 | 54.8K | -0.4% | -$11.4K | |
| 2026-03-10 | 2026-03-06 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $46.43 | -2,423 | 860.6K | -0.3% | -$112.5K | |
| 2026-03-10 | 2026-03-06 | TWST | Green Paula | SVP of Human Resources | S - Sale | $46.43 | -935 | 124.4K | -0.7% | -$43.4K | |
| 2026-03-10 | 2026-03-06 | TWST | Cho Dennis | See Remarks | S - Sale | $46.43 | -425 | 138.3K | -0.3% | -$19.7K | |
| 2026-02-25 | 2026-02-23 | TWST | Laponis Adam | CFO | S - Sale | $46.71 | -2,085 | 128.3K | -2% | -$97.4K | |
| 2026-02-25 | 2026-02-23 | TWST | WERNER ROBERT F. | CAO | S - Sale | $46.71 | -1,693 | 55.0K | -3% | -$79.1K | |
| 2026-02-25 | 2026-02-23 | TWST | Green Paula | SVP of Human Resources | S - Sale | $46.71 | -1,465 | 125.3K | -1% | -$68.4K | |
| 2026-02-25 | 2026-02-23 | TWST | Cho Dennis | See Remarks | S - Sale | $46.71 | -844 | 138.7K | -0.6% | -$39.4K | |
| 2026-02-25 | 2026-02-23 | TWST | Finn Patrick John | Pres, COO | S - Sale | $46.71 | -4,294 | 284.1K | -1% | -$200.6K | |
| 2026-02-25 | 2026-02-23 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $46.71 | -7,205 | 863.1K | -0.8% | -$336.5K | |
| 2026-02-19 | 2026-02-17 | TWST | Green Paula | SVP of Human Resources | S - Sale | $52.40 | -39.4K | 126.0K | -24% | -$2.06M | |
| DM | 2026-02-19 | 2026-02-17 | TWST | Finn Patrick John | Pres, COO | S - Sale+OE | $51.65 | -69.0K | 318.3K | -18% | -$3.56M |
| DM | 2026-02-19 | 2026-02-17 | TWST | Finn Patrick John | Pres, COO | M - OptEx | $25.46 | +50.5K | 324.5K | +18% | +$1.29M |
| 2026-02-18 | 2026-02-13 | TWST | CHESS ROBERT | Dir | S - Sale | $48.26 | -2,184 | 21.1K | -9% | -$105.4K | |
| DM | 2026-02-17 | 2026-02-12+ | TWST | Finn Patrick John | Pres, COO | S - Sale+OE | $50.17 | -5,250 | 306.8K | -2% | -$263.4K |
| DM | 2026-02-17 | 2026-02-12+ | TWST | Finn Patrick John | Pres, COO | M - OptEx | $25.31 | +3,712 | 308.0K | +1% | +$94.0K |
| 2026-02-13 | 2026-02-12 | TWST | Laponis Adam | CFO | S - Sale | $50.00 | -7,000 | 130.0K | -5% | -$350.0K |
Purchase Sale Sale after option exercise All abbreviations