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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-02-13 | 2026-02-11 | TWST | Cho Dennis | See Remarks | S - Sale | $49.93 | -5,000 | 138.6K | -3% | -$249.7K | |
| 2026-02-11 | 2026-02-09 | TWST | WERNER ROBERT F. | CAO | G - Gift | $0.00 | -2,000 | 56.7K | -3% | $0 | |
| 2026-02-09 | 2026-02-05 | TWST | BLAKE KATRYN | Dir | A - Grant | $0.00 | +5,095 | 19.4K | +35% | $0 | |
| 2026-02-09 | 2026-02-05 | TWST | Chan Nelson | Dir | A - Grant | $0.00 | +5,095 | 33.3K | +18% | $0 | |
| 2026-02-09 | 2026-02-05 | TWST | CRANDELL KEITH | Dir | A - Grant | $0.00 | +5,095 | 27.6K | +23% | $0 | |
| 2026-02-09 | 2026-02-05 | TWST | Starovasnik Melissa A. | Dir | A - Grant | $0.00 | +5,095 | 26.7K | +24% | $0 | |
| 2026-02-09 | 2026-02-06 | TWST | JOHANNESSEN JAN | Dir | S - Sale | $47.91 | -2,200 | 17.8K | -11% | -$105.4K | |
| 2026-02-09 | 2026-02-05 | TWST | JOHANNESSEN JAN | Dir | A - Grant | $0.00 | +5,095 | 20.0K | +34% | $0 | |
| 2026-02-09 | 2026-02-05 | TWST | RAGUSA ROBERT P | Dir | A - Grant | $0.00 | +5,095 | 29.0K | +21% | $0 | |
| 2026-02-09 | 2026-02-05 | TWST | CHESS ROBERT | Dir | A - Grant | $0.00 | +5,095 | 23.3K | +28% | $0 | |
| 2026-02-05 | 2026-02-03 | TWST | Finn Patrick John | Pres, COO | S - Sale | $46.58 | -2,705 | 307.8K | -0.9% | -$126.0K | |
| 2026-02-05 | 2026-02-03 | TWST | Cho Dennis | See Remarks | S - Sale | $46.58 | -1,099 | 143.6K | -0.8% | -$51.2K | |
| 2026-02-05 | 2026-02-03 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $46.58 | -5,001 | 869.3K | -0.6% | -$232.9K | |
| 2026-02-05 | 2026-02-03 | TWST | Green Paula | SVP of Human Resources | S - Sale | $46.58 | -1,194 | 165.4K | -0.7% | -$55.6K | |
| M | 2026-02-05 | 2026-02-03+ | TWST | WERNER ROBERT F. | CAO | S - Sale | $45.67 | -7,175 | 58.7K | -11% | -$327.7K |
| 2026-01-27 | 2026-01-23 | TWST | Finn Patrick John | Pres, COO | S - Sale | $44.91 | -2,390 | 310.5K | -0.8% | -$107.3K | |
| D | 2026-01-15 | 2026-01-13 | TWST | Finn Patrick John | Pres, COO | M - OptEx | $8.82 | +3,279 | 336.2K | +1.0% | +$28.9K |
| D | 2026-01-15 | 2026-01-13 | TWST | Finn Patrick John | Pres, COO | S - Sale+OE | $40.00 | -23.3K | 312.9K | -7% | -$931.2K |
| 2026-01-15 | 2026-01-13 | TWST | Laponis Adam | CFO | S - Sale | $40.00 | -3,000 | 137.0K | -2% | -$120.0K | |
| 2026-01-13 | 2026-01-09 | TWST | Laponis Adam | CFO | S - Sale | $35.26 | -2,738 | 140.0K | -2% | -$96.5K | |
| 2025-12-23 | 2025-12-22 | TWST | Green Paula | SVP of Human Resources | S - Sale | $34.56 | -273 | 166.6K | -0.2% | -$9,435 | |
| 2025-12-23 | 2025-12-22 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $34.56 | -1,605 | 874.3K | -0.2% | -$55.5K | |
| 2025-12-23 | 2025-12-22 | TWST | Cho Dennis | See Remarks | S - Sale | $34.56 | -324 | 144.7K | -0.2% | -$11.2K | |
| 2025-12-10 | 2025-12-08 | TWST | WERNER ROBERT F. | CAO | S - Sale | $32.88 | -230 | 65.9K | -0.3% | -$7,562 | |
| 2025-12-10 | 2025-12-08 | TWST | Cho Dennis | See Remarks | S - Sale | $32.88 | -398 | 145.0K | -0.3% | -$13.1K | |
| 2025-12-10 | 2025-12-08 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $32.88 | -2,255 | 875.9K | -0.3% | -$74.1K | |
| 2025-12-10 | 2025-12-08 | TWST | Green Paula | SVP of Human Resources | S - Sale | $32.88 | -877 | 166.9K | -0.5% | -$28.8K | |
| M | 2025-11-25 | 2025-11-21+ | TWST | WERNER ROBERT F. | CAO | S - Sale | $28.23 | -1,051 | 67.0K | -2% | -$29.7K |
| 2025-11-25 | 2025-11-21 | TWST | Cho Dennis | See Remarks | S - Sale | $26.50 | -757 | 145.4K | -0.5% | -$20.1K | |
| 2025-11-25 | 2025-11-21 | TWST | Laponis Adam | CFO | S - Sale | $26.50 | -887 | 142.8K | -0.6% | -$23.5K | |
| 2025-11-25 | 2025-11-21 | TWST | Finn Patrick John | Pres, COO | S - Sale | $26.50 | -1,776 | 332.9K | -0.5% | -$47.1K | |
| 2025-11-25 | 2025-11-21 | TWST | Green Paula | SVP of Human Resources | S - Sale | $26.50 | -598 | 167.8K | -0.4% | -$15.8K | |
| 2025-11-25 | 2025-11-21 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $26.50 | -2,663 | 878.2K | -0.3% | -$70.6K | |
| 2025-11-20 | 2025-11-18 | TWST | WERNER ROBERT F. | CAO | A - Grant | $0.00 | +16.3K | 67.2K | +32% | $0 | |
| 2025-11-20 | 2025-11-18 | TWST | Laponis Adam | CFO | A - Grant | $0.00 | +32.6K | 143.7K | +29% | $0 | |
| 2025-11-20 | 2025-11-18 | TWST | Leproust Emily M. | CEO, Dir | A - Grant | $0.00 | +146.9K | 880.8K | +20% | $0 | |
| 2025-11-20 | 2025-11-18 | TWST | Finn Patrick John | Pres, COO | A - Grant | $0.00 | +68.7K | 334.7K | +26% | $0 | |
| 2025-11-20 | 2025-11-18 | TWST | Green Paula | SVP of Human Resources | A - Grant | $0.00 | +26.2K | 168.4K | +18% | $0 | |
| 2025-11-20 | 2025-11-18 | TWST | Cho Dennis | See Remarks | A - Grant | $0.00 | +25.5K | 146.2K | +21% | $0 | |
| 2025-11-20 | 2025-11-18 | TWST | JOHANNESSEN JAN | Dir | S - Sale | $24.77 | -7,044 | 14.9K | -32% | -$174.5K | |
| 2025-11-05 | 2025-11-03 | TWST | Green Paula | SVP of Human Resources | S - Sale | $32.08 | -1,084 | 142.2K | -0.8% | -$34.8K | |
| 2025-11-05 | 2025-11-03 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $32.08 | -4,887 | 733.9K | -0.7% | -$156.8K | |
| 2025-11-05 | 2025-11-03 | TWST | WERNER ROBERT F. | CAO | S - Sale | $32.08 | -160 | 50.9K | -0.3% | -$5,133 | |
| 2025-11-05 | 2025-11-03 | TWST | Cho Dennis | See Remarks | S - Sale | $32.08 | -1,019 | 120.7K | -0.8% | -$32.7K | |
| 2025-11-05 | 2025-11-03 | TWST | Finn Patrick John | Pres, COO | S - Sale | $32.08 | -2,755 | 265.9K | -1% | -$88.4K | |
| 2025-11-03 | 2025-10-30 | TWST | Finn Patrick John | Pres, COO | S - Sale | $31.44 | -17.6K | 268.7K | -6% | -$553.5K | |
| 2025-11-03 | 2025-10-30 | TWST | WERNER ROBERT F. | CAO | S - Sale | $31.44 | -1,016 | 51.0K | -2% | -$31.9K | |
| 2025-11-03 | 2025-10-30 | TWST | Laponis Adam | CFO | S - Sale | $31.44 | -5,517 | 111.0K | -5% | -$173.5K | |
| 2025-11-03 | 2025-10-30 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $31.44 | -31.4K | 738.8K | -4% | -$986.6K | |
| 2025-11-03 | 2025-10-30 | TWST | Cho Dennis | See Remarks | S - Sale | $31.44 | -6,515 | 121.7K | -5% | -$204.8K | |
| 2025-11-03 | 2025-10-30 | TWST | Green Paula | SVP of Human Resources | S - Sale | $31.44 | -6,920 | 143.3K | -5% | -$217.6K | |
| 2025-10-30 | 2025-10-28 | TWST | Leproust Emily M. | CEO, Dir | A - Grant | $0.00 | +169.0K | 770.2K | +28% | $0 | |
| 2025-10-30 | 2025-10-28 | TWST | Finn Patrick John | Pres, COO | A - Grant | $0.00 | +79.8K | 286.3K | +39% | $0 | |
| 2025-10-30 | 2025-10-28 | TWST | Laponis Adam | CFO | A - Grant | $0.00 | +25.0K | 116.5K | +27% | $0 | |
| 2025-10-30 | 2025-10-28 | TWST | WERNER ROBERT F. | CAO | A - Grant | $0.00 | +5,633 | 52.0K | +12% | $0 | |
| 2025-10-30 | 2025-10-28 | TWST | Green Paula | SVP of Human Resources | A - Grant | $0.00 | +35.5K | 150.2K | +31% | $0 | |
| 2025-10-30 | 2025-10-28 | TWST | Cho Dennis | See Remarks | A - Grant | $0.00 | +29.5K | 128.2K | +30% | $0 | |
| 2025-10-27 | 2025-10-23 | TWST | Finn Patrick John | Pres, COO | S - Sale | $30.88 | -2,240 | 206.5K | -1% | -$69.2K | |
| M | 2025-10-10 | 2025-10-08+ | TWST | Laponis Adam | CFO | S - Sale | $31.96 | -5,517 | 91.5K | -6% | -$176.3K |
| 2025-10-08 | 2025-10-06 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $32.19 | -31.3K | 601.2K | -5% | -$1.01M | |
| 2025-10-08 | 2025-10-06 | TWST | Finn Patrick John | Pres, COO | S - Sale | $32.19 | -23.7K | 208.7K | -10% | -$764.4K | |
| 2025-10-08 | 2025-10-06 | TWST | Laponis Adam | CFO | S - Sale | $32.19 | -5,875 | 97.0K | -6% | -$189.1K | |
| 2025-10-08 | 2025-10-06 | TWST | WERNER ROBERT F. | CAO | S - Sale | $32.19 | -2,041 | 46.4K | -4% | -$65.7K | |
| 2025-10-08 | 2025-10-06 | TWST | Cho Dennis | See Remarks | S - Sale | $32.19 | -3,876 | 98.7K | -4% | -$124.8K | |
| 2025-10-08 | 2025-10-06 | TWST | Green Paula | SVP of Human Resources | S - Sale | $32.19 | -9,724 | 114.7K | -8% | -$313.0K | |
| 2025-10-06 | 2025-10-02 | TWST | Cho Dennis | See Remarks | S - Sale | $29.16 | -124 | 102.6K | -0.1% | -$3,616 | |
| 2025-10-06 | 2025-10-02 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $29.16 | -476 | 632.6K | -0.1% | -$13.9K | |
| 2025-10-06 | 2025-10-02 | TWST | Finn Patrick John | Pres, COO | S - Sale | $29.16 | -206 | 232.5K | -0.1% | -$6,007 | |
| 2025-10-06 | 2025-10-02 | TWST | Green Paula | SVP of Human Resources | S - Sale | $29.16 | -140 | 124.4K | -0.1% | -$4,082 | |
| 2025-09-24 | 2025-09-22 | TWST | Green Paula | SVP of Human Resources | S - Sale | $27.56 | -295 | 124.5K | -0.2% | -$8,130 | |
| 2025-09-24 | 2025-09-22 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $27.56 | -1,704 | 633.0K | -0.3% | -$47.0K | |
| 2025-09-24 | 2025-09-22 | TWST | Cho Dennis | See Remarks | S - Sale | $27.56 | -233 | 102.7K | -0.2% | -$6,421 | |
| 2025-09-17 | 2025-09-15 | TWST | Cho Dennis | See Remarks | S - Sale | $25.33 | -94 | 102.9K | -0.1% | -$2,381 | |
| 2025-09-10 | 2025-09-08 | TWST | WERNER ROBERT F. | CAO | S - Sale | $25.76 | -235 | 48.5K | -0.5% | -$6,054 | |
| 2025-09-10 | 2025-09-08 | TWST | Green Paula | SVP of Human Resources | S - Sale | $25.76 | -892 | 124.8K | -0.7% | -$23.0K | |
| 2025-09-10 | 2025-09-08 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $25.76 | -2,265 | 634.7K | -0.4% | -$58.3K | |
| 2025-09-10 | 2025-09-08 | TWST | Cho Dennis | See Remarks | S - Sale | $25.76 | -269 | 103.0K | -0.3% | -$6,929 | |
| 2025-08-27 | 2025-08-25 | TWST | WERNER ROBERT F. | CAO | S - Sale | $27.69 | -853 | 48.7K | -2% | -$23.6K | |
| 2025-08-25 | 2025-08-21 | TWST | WERNER ROBERT F. | CAO | S - Sale | $25.96 | -238 | 49.5K | -0.5% | -$6,178 | |
| 2025-08-25 | 2025-08-21 | TWST | Cho Dennis | See Remarks | S - Sale | $25.96 | -521 | 103.3K | -0.5% | -$13.5K | |
| 2025-08-25 | 2025-08-21 | TWST | Finn Patrick John | Pres, COO | S - Sale | $25.96 | -1,840 | 233.5K | -0.8% | -$47.8K | |
| 2025-08-25 | 2025-08-21 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $25.96 | -2,716 | 637.0K | -0.4% | -$70.5K | |
| 2025-08-25 | 2025-08-21 | TWST | Green Paula | SVP of Human Resources | S - Sale | $25.96 | -619 | 125.7K | -0.5% | -$16.1K | |
| 2025-08-25 | 2025-08-21 | TWST | Laponis Adam | CFO | S - Sale | $25.96 | -918 | 102.9K | -0.9% | -$23.8K | |
| 2025-08-07 | 2025-08-05 | TWST | BLAKE KATRYN | Dir | A - Grant | $0.00 | +14.4K | 14.4K | New | $0 | |
| 2025-08-06 | 2025-08-04 | TWST | Cho Dennis | See Remarks | S - Sale | $28.36 | -785 | 103.8K | -0.8% | -$22.3K | |
| 2025-08-06 | 2025-08-04 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $28.36 | -5,585 | 639.7K | -0.9% | -$158.4K | |
| 2025-08-06 | 2025-08-04 | TWST | WERNER ROBERT F. | CAO | S - Sale | $28.36 | -186 | 49.8K | -0.4% | -$5,275 | |
| 2025-08-06 | 2025-08-04 | TWST | Finn Patrick John | Pres, COO | S - Sale | $28.36 | -3,189 | 235.2K | -1% | -$90.4K | |
| 2025-08-06 | 2025-08-04 | TWST | Green Paula | SVP of Human Resources | S - Sale | $28.36 | -1,255 | 126.2K | -1.0% | -$35.6K | |
| 2025-07-25 | 2025-07-23 | TWST | Finn Patrick John | Pres, COO | S - Sale | $35.74 | -2,232 | 238.3K | -0.9% | -$79.8K | |
| 2025-07-11 | 2025-07-09 | TWST | Laponis Adam | CFO | S - Sale | $38.15 | -2,449 | 103.6K | -2% | -$93.4K | |
| 2025-07-07 | 2025-07-02 | TWST | Cho Dennis | See Remarks | S - Sale | $36.19 | -125 | 104.6K | -0.1% | -$4,524 | |
| 2025-07-07 | 2025-07-02 | TWST | Green Paula | SVP of Human Resources | S - Sale | $36.19 | -142 | 127.5K | -0.1% | -$5,139 | |
| 2025-07-07 | 2025-07-02 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $36.19 | -476 | 645.3K | -0.1% | -$17.2K | |
| 2025-07-07 | 2025-07-02 | TWST | Finn Patrick John | Pres, COO | S - Sale | $36.19 | -209 | 240.6K | -0.1% | -$7,564 | |
| 2025-06-24 | 2025-06-20 | TWST | Cho Dennis | See Remarks | S - Sale | $35.76 | -230 | 104.7K | -0.2% | -$8,225 | |
| 2025-06-24 | 2025-06-20 | TWST | Green Paula | SVP of Human Resources | S - Sale | $35.76 | -292 | 127.6K | -0.2% | -$10.4K | |
| 2025-06-24 | 2025-06-20 | TWST | Leproust Emily M. | CEO, Dir | S - Sale | $35.76 | -1,678 | 645.8K | -0.3% | -$60.0K | |
| 2025-06-18 | 2025-06-16 | TWST | Cho Dennis | See Remarks | S - Sale | $33.48 | -94 | 105.0K | -0.1% | -$3,147 |
Purchase Sale Sale after option exercise All abbreviations