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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-06-10 | 2025-06-06 | TWST | WERNER ROBERT F. | CAO | S - Sale | $31.75 | -225 | 50.0K | -0.4% | -$7,144 | |
| 2025-06-10 | 2025-06-06 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $31.75 | -2,170 | 647.5K | -0.3% | -$68.9K | |
| 2025-06-10 | 2025-06-06 | TWST | Green Paula | SVP of Human Resources | S - Sale | $31.75 | -853 | 127.9K | -0.7% | -$27.1K | |
| 2025-06-10 | 2025-06-06 | TWST | Cho Dennis | See Remarks | S - Sale | $31.75 | -257 | 105.1K | -0.2% | -$8,160 | |
| 2025-05-28 | 2025-05-23 | TWST | WERNER ROBERT F. | CAO | S - Sale | $27.73 | -839 | 50.2K | -2% | -$23.3K | |
| 2025-05-23 | 2025-05-21 | TWST | Green Paula | SVP of Human Resources | S - Sale | $29.75 | -632 | 128.7K | -0.5% | -$18.8K | |
| 2025-05-23 | 2025-05-21 | TWST | Cho Dennis | See Remarks | S - Sale | $29.75 | -531 | 105.3K | -0.5% | -$15.8K | |
| 2025-05-23 | 2025-05-21 | TWST | Finn Patrick John | Pres, COO | S - Sale | $29.75 | -1,877 | 240.8K | -0.8% | -$55.8K | |
| 2025-05-23 | 2025-05-21 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $29.75 | -2,802 | 649.6K | -0.4% | -$83.4K | |
| 2025-05-23 | 2025-05-21 | TWST | Laponis Adam | CFO | S - Sale | $29.75 | -936 | 106.0K | -0.9% | -$27.8K | |
| 2025-05-23 | 2025-05-21 | TWST | WERNER ROBERT F. | CAO | S - Sale | $29.75 | -242 | 51.0K | -0.5% | -$7,200 | |
| 2025-05-12 | 2025-05-08 | TWST | Finn Patrick John | Pres, COO | S - Sale | $32.31 | -20.0K | 242.7K | -8% | -$646.2K | |
| 2025-05-12 | 2025-05-08 | TWST | Leproust Emily M. | CEO, Dir | G - Gift | $0.00 | -3,000 | 652.4K | -0.5% | $0 | |
| 2025-05-09 | 2025-05-07 | TWST | Cho Dennis | See Remarks | S - Sale | $32.72 | -5,000 | 105.8K | -5% | -$163.6K | |
| 2025-05-07 | 2025-05-05 | TWST | Green Paula | SVP of Human Resources | S - Sale | $37.65 | -1,101 | 129.4K | -0.8% | -$41.5K | |
| 2025-05-07 | 2025-05-05 | TWST | Finn Patrick John | Pres, COO | S - Sale | $37.65 | -2,800 | 262.7K | -1% | -$105.4K | |
| 2025-05-07 | 2025-05-05 | TWST | WERNER ROBERT F. | CAO | S - Sale | $37.65 | -162 | 51.3K | -0.3% | -$6,099 | |
| 2025-05-07 | 2025-05-05 | TWST | Cho Dennis | See Remarks | S - Sale | $37.65 | -689 | 110.8K | -0.6% | -$25.9K | |
| 2025-05-07 | 2025-05-05 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $37.65 | -5,042 | 655.4K | -0.8% | -$189.8K | |
| 2025-04-25 | 2025-04-23 | TWST | Finn Patrick John | Pres, COO | S - Sale | $40.00 | -2,058 | 265.5K | -0.8% | -$82.3K | |
| 2025-04-11 | 2025-04-09 | TWST | Laponis Adam | CFO | S - Sale | $34.97 | -2,542 | 107.0K | -2% | -$88.9K | |
| 2025-04-04 | 2025-04-02 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $38.73 | -492 | 660.5K | -0.1% | -$19.1K | |
| 2025-04-04 | 2025-04-02 | TWST | Finn Patrick John | Pres, COO | S - Sale | $38.73 | -206 | 267.5K | -0.1% | -$7,978 | |
| 2025-04-04 | 2025-04-02 | TWST | Green Paula | SVP of Human Resources | S - Sale | $38.73 | -140 | 130.5K | -0.1% | -$5,422 | |
| 2025-04-04 | 2025-04-02 | TWST | Cho Dennis | See Remarks | S - Sale | $38.73 | -124 | 111.5K | -0.1% | -$4,803 | |
| 2025-03-24 | 2025-03-20 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $41.68 | -1,726 | 661.0K | -0.3% | -$71.9K | |
| 2025-03-24 | 2025-03-20 | TWST | Green Paula | SVP of Human Resources | S - Sale | $41.68 | -291 | 130.6K | -0.2% | -$12.1K | |
| 2025-03-24 | 2025-03-20 | TWST | Cho Dennis | See Remarks | S - Sale | $41.68 | -230 | 111.7K | -0.2% | -$9,586 | |
| 2025-03-18 | 2025-03-14 | TWST | Cho Dennis | See Remarks | S - Sale | $40.05 | -92 | 111.9K | -0.1% | -$3,685 | |
| 2025-03-10 | 2025-03-06 | TWST | Green Paula | SVP of Human Resources | S - Sale | $40.91 | -918 | 130.9K | -0.7% | -$37.6K | |
| 2025-03-10 | 2025-03-06 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $40.91 | -2,402 | 662.7K | -0.4% | -$98.3K | |
| 2025-03-10 | 2025-03-06 | TWST | Cho Dennis | See Remarks | S - Sale | $40.91 | -277 | 112.0K | -0.2% | -$11.3K | |
| 2025-03-10 | 2025-03-06 | TWST | WERNER ROBERT F. | CAO | S - Sale | $40.91 | -241 | 51.4K | -0.5% | -$9,859 | |
| M | 2025-02-25 | 2025-02-21+ | TWST | WERNER ROBERT F. | CAO | S - Sale | $42.27 | -1,183 | 52.6K | -2% | -$50.0K |
| 2025-02-25 | 2025-02-21 | TWST | Cho Dennis | See Remarks | S - Sale | $44.18 | -526 | 112.3K | -0.5% | -$23.2K | |
| 2025-02-25 | 2025-02-21 | TWST | Finn Patrick John | Pres, COO | S - Sale | $44.18 | -1,839 | 267.7K | -0.7% | -$81.2K | |
| 2025-02-25 | 2025-02-21 | TWST | Laponis Adam | CFO | S - Sale | $44.18 | -918 | 109.5K | -0.8% | -$40.6K | |
| 2025-02-25 | 2025-02-21 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $44.18 | -2,790 | 665.1K | -0.4% | -$123.3K | |
| 2025-02-25 | 2025-02-21 | TWST | Green Paula | SVP of Human Resources | S - Sale | $44.18 | -618 | 131.8K | -0.5% | -$27.3K | |
| 2025-02-11 | 2025-02-07 | TWST | CHESS ROBERT | Dir | S - Sale | $53.14 | -2,940 | 18.2K | -14% | -$156.2K | |
| 2025-02-07 | 2025-02-05 | TWST | Starovasnik Melissa A. | Dir | A - Grant | $0.00 | +4,472 | 21.6K | +26% | $0 | |
| 2025-02-07 | 2025-02-05 | TWST | RAGUSA ROBERT P | Dir | A - Grant | $0.00 | +4,472 | 23.9K | +23% | $0 | |
| 2025-02-07 | 2025-02-05 | TWST | CRANDELL KEITH | Dir | A - Grant | $0.00 | +4,472 | 22.5K | +25% | $0 | |
| 2025-02-07 | 2025-02-05 | TWST | CHAN NELSON C | Dir | A - Grant | $0.00 | +4,472 | 28.2K | +19% | $0 | |
| 2025-02-07 | 2025-02-05 | TWST | CHESS ROBERT | Dir | A - Grant | $0.00 | +4,472 | 21.1K | +27% | $0 | |
| 2025-02-07 | 2025-02-05 | TWST | JOHANNESSEN JAN | Dir | A - Grant | $0.00 | +4,472 | 21.9K | +26% | $0 | |
| 2025-02-05 | 2025-02-03 | TWST | WERNER ROBERT F. | CAO | S - Sale | $49.35 | -185 | 52.9K | -0.3% | -$9,130 | |
| 2025-02-05 | 2025-02-03 | TWST | Finn Patrick John | Pres, COO | S - Sale | $49.35 | -2,845 | 269.2K | -1% | -$140.4K | |
| 2025-02-05 | 2025-02-03 | TWST | Green Paula | SVP of Human Resources | S - Sale | $49.35 | -1,259 | 132.0K | -0.9% | -$62.1K | |
| 2025-02-05 | 2025-02-03 | TWST | Cho Dennis | See Remarks | S - Sale | $49.35 | -806 | 112.2K | -0.7% | -$39.8K | |
| 2025-02-05 | 2025-02-03 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $49.35 | -5,200 | 667.3K | -0.8% | -$256.6K | |
| 2025-01-27 | 2025-01-23 | TWST | Finn Patrick John | Pres, COO | S - Sale | $50.17 | -2,422 | 272.0K | -0.9% | -$121.5K | |
| 2025-01-14 | 2025-01-10 | TWST | Laponis Adam | CFO | S - Sale | $43.26 | -5,886 | 110.1K | -5% | -$254.6K | |
| 2025-01-10 | 2025-01-07 | TWST | CHESS ROBERT | Dir | S - Sale | $50.00 | -5,000 | 16.6K | -23% | -$250.0K | |
| 2025-01-07 | 2025-01-03 | TWST | Green Paula | SVP of Human Resources | S - Sale | $45.59 | -160 | 133.3K | -0.1% | -$7,294 | |
| 2025-01-07 | 2025-01-03 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $45.59 | -546 | 672.5K | -0.1% | -$24.9K | |
| 2025-01-07 | 2025-01-03 | TWST | Finn Patrick John | Pres, COO | S - Sale | $45.59 | -229 | 274.5K | -0.1% | -$10.4K | |
| 2025-01-07 | 2025-01-03 | TWST | Cho Dennis | See Remarks | S - Sale | $45.59 | -144 | 113.0K | -0.1% | -$6,565 | |
| DM | 2024-12-30 | 2024-12-05 | TWST | CHESS ROBERT | Dir | S - Sale+OE | $51.85 | -3,504 | 22.4K | -14% | -$181.7K |
| D | 2024-12-30 | 2024-12-05 | TWST | CHESS ROBERT | Dir | M - OptEx | $8.82 | +3,504 | 25.1K | +16% | +$30.9K |
| 2024-12-26 | 2024-12-20 | TWST | Cho Dennis | See Remarks | S - Sale | $44.90 | -316 | 113.2K | -0.3% | -$14.2K | |
| 2024-12-26 | 2024-12-20 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $44.90 | -1,654 | 673.1K | -0.2% | -$74.3K | |
| 2024-12-26 | 2024-12-20 | TWST | Green Paula | SVP of Human Resources | S - Sale | $44.90 | -282 | 133.4K | -0.2% | -$12.7K | |
| 2024-12-18 | 2024-12-16 | TWST | Cho Dennis | See Remarks | S - Sale | $46.81 | -133 | 113.5K | -0.1% | -$6,226 | |
| 2024-12-10 | 2024-12-06 | TWST | WERNER ROBERT F. | CAO | S - Sale | $52.70 | -226 | 53.0K | -0.4% | -$11.9K | |
| 2024-12-10 | 2024-12-06 | TWST | Cho Dennis | See Remarks | S - Sale | $52.70 | -367 | 113.6K | -0.3% | -$19.3K | |
| 2024-12-10 | 2024-12-06 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $52.70 | -2,216 | 674.7K | -0.3% | -$116.8K | |
| 2024-12-10 | 2024-12-06 | TWST | Green Paula | SVP of Human Resources | S - Sale | $52.70 | -860 | 133.7K | -0.6% | -$45.3K | |
| 2024-12-06 | 2024-12-04 | TWST | Green Paula | SVP of Human Resources | A - Grant | $0.00 | +20.4K | 134.6K | +18% | $0 | |
| 2024-12-06 | 2024-12-04 | TWST | Leproust Emily M. | CEO, Dir | A - Grant | $0.00 | +95.3K | 676.9K | +16% | $0 | |
| 2024-12-06 | 2024-12-04 | TWST | Laponis Adam | CFO | A - Grant | $0.00 | +26.7K | 116.0K | +30% | $0 | |
| 2024-12-06 | 2024-12-04 | TWST | Finn Patrick John | Pres, COO | A - Grant | $0.00 | +53.6K | 274.7K | +24% | $0 | |
| 2024-12-06 | 2024-12-04 | TWST | WERNER ROBERT F. | CAO | A - Grant | $0.00 | +8,438 | 53.3K | +19% | $0 | |
| 2024-12-06 | 2024-12-04 | TWST | Cho Dennis | See Remarks | A - Grant | $0.00 | +22.8K | 114.0K | +25% | $0 | |
| 2024-11-27 | 2024-11-25 | TWST | WERNER ROBERT F. | CAO | S - Sale | $44.20 | -789 | 44.8K | -2% | -$34.9K | |
| A | 2024-11-15 | 2024-11-06 | TWST | WERNER ROBERT F. | CAO | S - Sale | $44.61 | -1,448 | 45.6K | -3% | -$64.6K |
| A | 2024-11-15 | 2024-11-06 | TWST | Laponis Adam | CFO | S - Sale | $44.61 | -4,160 | 89.2K | -4% | -$185.6K |
| A | 2024-11-15 | 2024-11-06 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $44.61 | -14.3K | 589.6K | -2% | -$639.4K |
| A | 2024-11-15 | 2024-11-06 | TWST | Green Paula | SVP of Human Resources | S - Sale | $44.61 | -5,519 | 115.5K | -5% | -$246.2K |
| A | 2024-11-15 | 2024-11-06 | TWST | Cho Dennis | See Remarks | S - Sale | $44.61 | -1,811 | 92.7K | -2% | -$80.8K |
| A | 2024-11-15 | 2024-11-06 | TWST | Finn Patrick John | Pres, COO | S - Sale | $44.61 | -6,239 | 231.4K | -3% | -$278.3K |
| 2024-11-13 | 2024-11-11 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $48.00 | -7,968 | 581.6K | -1% | -$382.5K | |
| 2024-11-13 | 2024-11-11 | TWST | Cho Dennis | See Remarks | S - Sale | $48.00 | -1,507 | 91.2K | -2% | -$72.3K | |
| DT | 2024-11-13 | 2024-11-11 | TWST | CHESS ROBERT | Dir | M - OptEx | $8.82 | +3,600 | 25.2K | +17% | +$31.8K |
| DMT | 2024-11-13 | 2024-11-11 | TWST | CHESS ROBERT | Dir | S - Sale+OE | $47.26 | -3,600 | 22.9K | -14% | -$170.1K |
| 2024-11-13 | 2024-11-11 | TWST | Finn Patrick John | Pres, COO | S - Sale | $48.00 | -10.3K | 221.1K | -4% | -$496.3K | |
| 2024-11-13 | 2024-11-11 | TWST | Green Paula | SVP of Human Resources | S - Sale | $48.00 | -1,347 | 114.1K | -1% | -$64.7K | |
| 2024-11-08 | 2024-11-06 | TWST | Green Paula | SVP of Human Resources | S - Sale | $44.61 | -5,519 | 115.5K | -5% | -$246.2K | |
| 2024-11-08 | 2024-11-06 | TWST | Cho Dennis | See Remarks | S - Sale | $44.61 | -1,811 | 92.7K | -2% | -$80.8K | |
| 2024-11-08 | 2024-11-06 | TWST | Laponis Adam | CFO | S - Sale | $44.61 | -4,160 | 89.2K | -4% | -$185.6K | |
| 2024-11-08 | 2024-11-06 | TWST | WERNER ROBERT F. | CAO | S - Sale | $44.61 | -1,448 | 45.6K | -3% | -$64.6K | |
| 2024-11-08 | 2024-11-06 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $44.61 | -14.3K | 589.6K | -2% | -$639.4K | |
| 2024-11-08 | 2024-11-06 | TWST | Finn Patrick John | Pres, COO | S - Sale | $44.61 | -6,239 | 231.4K | -3% | -$278.3K | |
| 2024-11-06 | 2024-11-04 | TWST | Laponis Adam | CFO | A - Grant | $0.00 | +20.0K | 93.4K | +27% | $0 | |
| M | 2024-11-06 | 2024-11-04 | TWST | Finn Patrick John | Pres, COO | A - Grant | $0.00 | +80.8K | 189.5K | +74% | $0 |
| 2024-11-06 | 2024-11-04 | TWST | Finn Patrick John | Pres, COO | S - Sale | $41.56 | -2,681 | 237.6K | -1% | -$111.4K | |
| M | 2024-11-06 | 2024-11-04 | TWST | Green Paula | SVP of Human Resources | A - Grant | $0.00 | +37.5K | 114.6K | +49% | $0 |
| 2024-11-06 | 2024-11-04 | TWST | Green Paula | SVP of Human Resources | S - Sale | $41.56 | -1,057 | 121.0K | -0.9% | -$43.9K | |
| M | 2024-11-06 | 2024-11-04 | TWST | Cho Dennis | See Remarks | A - Grant | $0.00 | +4,149 | 95.1K | +5% | $0 |
| 2024-11-06 | 2024-11-04 | TWST | Cho Dennis | See Remarks | S - Sale | $41.56 | -659 | 94.5K | -0.7% | -$27.4K |
Purchase Sale Sale after option exercise All abbreviations