TWST · Twist Bioscience Corporation Common Stock
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| Emily M. Leproust | ▼ Sell | Open Market | 818,938 Shares held | 8/12/2026 | View profile |
| Banyai William See Remarks | ▼ Sell | Open Market | 345,188 Shares held | 5/3/2024 | View profile |
| Finn Patrick John Chief Commercial Officer | ▼ Sell | Open Market | 214,678 Shares held | 8/18/2026 | View profile |
| Green Paula SVP of Human Resources | ▼ Sell | Open Market | 119,281 Shares held | 8/3/2026 | View profile |
| Laponis Adam Chief Financial Officer | ▼ Sell | Open Market | 110,276 Shares held | 7/9/2026 | View profile |
| THORBURN JAMES M Chief Financial Officer | ▼ Sell | Tax Withholding | 86,334 Shares held | 1/2/2024 | View profile |
| Cho Dennis See Remarks | ▼ Sell | Open Market | 75,661 Shares held | 8/19/2026 | View profile |
| Weiss Patrick Chief Operating Officer | ▼ Sell | Tax Withholding | 47,401 Shares held | 4/1/2022 | View profile |
| WERNER ROBERT F. Chief Accounting Officer | ▼ Sell | Open Market | 46,160 Shares held | 8/3/2026 | View profile |
| Nelson Chan Director | ▲ Buy | Grant | 33,251 Shares held | 2/5/2026 | View profile |
| Mai Xiaoying | ▲ Buy | Grant | 31,057 Shares held | 2/6/2024 | View profile |
| Robert P. Ragusa Chief Executive Officer | ▲ Buy | Grant | 28,983 Shares held | 2/5/2026 | View profile |
| Keith Crandell 10% Owner | ▲ Buy | Grant | 27,571 Shares held | 2/5/2026 | View profile |
| BARTHELEMY NICOLAS Director | ▲ Buy | Option Exercise | 23,021 Shares held | 11/21/2022 | View profile |
| Starovasnik Melissa A. | ▼ Sell | Open Market | 22,222 Shares held | 5/28/2026 | View profile |
| CHESS ROBERT Director | ▼ Sell | Open Market | 21,084 Shares held | 8/7/2026 | View profile |
| JOHANNESSEN JAN | ▼ Sell | Open Market | 17,754 Shares held | 5/12/2026 | View profile |
| Katryn Blake Director | ▼ Sell | Open Market | 17,208 Shares held | 8/12/2026 | View profile |
| Yankton Kevin Bruce Chief Accounting Officer | ▼ Sell | Tax Withholding | 9,115 Shares held | 5/17/2023 | View profile |
Transaction History
| Cho Dennis | ▼ Sell | Open Market | 14,205 | $1.8M | 8/19/2026 |
| Finn Patrick John | ▼ Sell | Open Market | 10,420 | $1.2M | 8/18/2026 |
| Finn Patrick John | ▼ Sell | Open Market | 8,868 | $1.0M | 8/18/2026 |
| Finn Patrick John | ▼ Sell | Open Market | 4,500 | $536K | 8/18/2026 |
| Finn Patrick John | ▼ Sell | Open Market | 12,917 | $1.5M | 8/18/2026 |
| Finn Patrick John | ▼ Sell | Open Market | 6,296 | $762K | 8/18/2026 |
| Finn Patrick John | ▼ Sell | Open Market | 2,000 | $245K | 8/18/2026 |
| Finn Patrick John | ▲ Buy | Option Exercise | 23,355 | $1.6M | 8/18/2026 |
| Finn Patrick John | ▼ Sell | Open Market | 33,354 | $3.9M | 8/18/2026 |
| Katryn Blake | ▼ Sell | Open Market | 2,240 | $275K | 8/12/2026 |
| Emily M. Leproust | ▲ Buy | Option Exercise | 19,952 | $532K | 8/12/2026 |
| Emily M. Leproust | ▼ Sell | Open Market | 19,952 | $2.5M | 8/12/2026 |
| Emily M. Leproust | ▲ Buy | Option Exercise | 113,318 | $3.0M | 8/10/2026 |
| Emily M. Leproust | ▼ Sell | Open Market | 113,318 | $14.2M | 8/10/2026 |
| CHESS ROBERT | ▲ Buy | Option Exercise | 18,417 | $219K | 8/7/2026 |
| CHESS ROBERT | ▼ Sell | Open Market | 18,417 | $2.0M | 8/7/2026 |
| Cho Dennis | ▼ Sell | Open Market | 14,205 | $1.6M | 8/5/2026 |
| Finn Patrick John | ▼ Sell | Open Market | 2,888 | $246K | 8/3/2026 |
| Green Paula | ▼ Sell | Open Market | 1,133 | $97K | 8/3/2026 |
| Emily M. Leproust | ▼ Sell | Open Market | 5,101 | $435K | 8/3/2026 |
| WERNER ROBERT F. | ▼ Sell | Open Market | 167 | $14K | 8/3/2026 |
| Cho Dennis | ▼ Sell | Open Market | 1,070 | $91K | 8/3/2026 |
| Finn Patrick John | ▼ Sell | Open Market | 2,238 | $210K | 7/23/2026 |
| Laponis Adam | ▼ Sell | Open Market | 2,399 | $226K | 7/9/2026 |
| Emily M. Leproust | ▼ Sell | Open Market | 18,880 | $1.8M | 6/25/2026 |
| Cho Dennis | ▼ Sell | Open Market | 14,205 | $1.3M | 6/24/2026 |
| Green Paula | ▼ Sell | Open Market | 291 | $25K | 6/22/2026 |
| Cho Dennis | ▼ Sell | Open Market | 346 | $30K | 6/22/2026 |
| Emily M. Leproust | ▼ Sell | Open Market | 1,688 | $147K | 6/22/2026 |
| Green Paula | ▲ Buy | Option Exercise | 26,137 | $610K | 6/15/2026 |
| Green Paula | ▼ Sell | Open Market | 24,109 | $2.0M | 6/15/2026 |
| Green Paula | ▼ Sell | Open Market | 2,028 | $167K | 6/15/2026 |
| Cho Dennis | ▼ Sell | Open Market | 402 | $28K | 6/8/2026 |
| Green Paula | ▼ Sell | Open Market | 884 | $62K | 6/8/2026 |
| Emily M. Leproust | ▼ Sell | Open Market | 2,265 | $158K | 6/8/2026 |
| WERNER ROBERT F. | ▼ Sell | Open Market | 232 | $16K | 6/8/2026 |
| WERNER ROBERT F. | ▼ Sell | Open Market | 1,127 | $78K | 6/8/2026 |
| WERNER ROBERT F. | ▼ Sell | Gift | 500 | $0 | 6/8/2026 |
| Cho Dennis | ▼ Sell | Open Market | 14,205 | $991K | 5/29/2026 |
| Laponis Adam | ▼ Sell | Open Market | 4,000 | $280K | 5/29/2026 |
| Emily M. Leproust | ▲ Buy | Option Exercise | 16,470 | $145K | 5/28/2026 |
| Emily M. Leproust | ▼ Sell | Open Market | 1,482 | $97K | 5/28/2026 |
| Emily M. Leproust | ▼ Sell | Open Market | 900 | $60K | 5/28/2026 |
| Emily M. Leproust | ▼ Sell | Open Market | 7,623 | $518K | 5/28/2026 |
| Emily M. Leproust | ▼ Sell | Open Market | 6,465 | $444K | 5/28/2026 |
| Starovasnik Melissa A. | ▼ Sell | Open Market | 2,500 | $170K | 5/28/2026 |
| Emily M. Leproust | ▲ Buy | Option Exercise | 25,017 | $221K | 5/27/2026 |
| Emily M. Leproust | ▼ Sell | Open Market | 23,752 | $1.5M | 5/27/2026 |
| Emily M. Leproust | ▼ Sell | Open Market | 1,265 | $84K | 5/27/2026 |
| Starovasnik Melissa A. | ▼ Sell | Open Market | 500 | $31K | 5/26/2026 |
| Emily M. Leproust | ▲ Buy | Option Exercise | 24,282 | $214K | 5/26/2026 |
| Emily M. Leproust | ▼ Sell | Open Market | 24,282 | $1.6M | 5/26/2026 |
| WERNER ROBERT F. | ▼ Sell | Open Market | 800 | $50K | 5/26/2026 |
| Green Paula | ▼ Sell | Open Market | 1,399 | $75K | 5/21/2026 |
| Finn Patrick John | ▼ Sell | Open Market | 4,160 | $222K | 5/21/2026 |
| Cho Dennis | ▼ Sell | Open Market | 1,642 | $87K | 5/21/2026 |
| WERNER ROBERT F. | ▼ Sell | Open Market | 688 | $37K | 5/21/2026 |
| Emily M. Leproust | ▼ Sell | Open Market | 6,888 | $367K | 5/21/2026 |
| Laponis Adam | ▼ Sell | Open Market | 2,019 | $108K | 5/21/2026 |
| JOHANNESSEN JAN | ▲ Buy | Option Exercise | 12,000 | $168K | 5/12/2026 |
| JOHANNESSEN JAN | ▼ Sell | Open Market | 12,000 | $673K | 5/12/2026 |
| WERNER ROBERT F. | ▼ Sell | Open Market | 4,961 | $282K | 5/8/2026 |
| Cho Dennis | ▼ Sell | Open Market | 1,962 | $112K | 5/4/2026 |
| Emily M. Leproust | ▼ Sell | Open Market | 5,127 | $293K | 5/4/2026 |
| Finn Patrick John | ▼ Sell | Open Market | 2,844 | $163K | 5/4/2026 |
| Green Paula | ▼ Sell | Open Market | 1,116 | $64K | 5/4/2026 |
| WERNER ROBERT F. | ▼ Sell | Open Market | 164 | $9K | 5/4/2026 |
| Starovasnik Melissa A. | ▼ Sell | Open Market | 500 | $31K | 4/27/2026 |
| Finn Patrick John | ▼ Sell | Open Market | 2,321 | $141K | 4/23/2026 |
| Emily M. Leproust | ▲ Buy | Option Exercise | 8,061 | $71K | 4/22/2026 |
| Emily M. Leproust | ▼ Sell | Open Market | 7,910 | $516K | 4/22/2026 |
| Emily M. Leproust | ▼ Sell | Open Market | 151 | $10K | 4/22/2026 |
| Emily M. Leproust | ▲ Buy | Option Exercise | 1,610 | $14K | 4/21/2026 |
| Emily M. Leproust | ▼ Sell | Open Market | 1,610 | $105K | 4/21/2026 |
| Laponis Adam | ▼ Sell | Open Market | 4,000 | $240K | 4/17/2026 |
| Laponis Adam | ▼ Sell | Open Market | 3,000 | $165K | 4/14/2026 |
| Laponis Adam | ▼ Sell | Open Market | 2,597 | $130K | 4/9/2026 |
| Starovasnik Melissa A. | ▼ Sell | Open Market | 1,000 | $51K | 4/1/2026 |
| Cho Dennis | ▼ Sell | Open Market | 354 | $16K | 3/20/2026 |
| Green Paula | ▼ Sell | Open Market | 297 | $13K | 3/20/2026 |
| Emily M. Leproust | ▼ Sell | Open Market | 1,742 | $76K | 3/20/2026 |
| CHESS ROBERT | ▲ Buy | Option Exercise | 10,000 | $119K | 3/17/2026 |
| CHESS ROBERT | ▼ Sell | Open Market | 10,000 | $470K | 3/17/2026 |
| WERNER ROBERT F. | ▼ Sell | Open Market | 246 | $11K | 3/6/2026 |
| Cho Dennis | ▼ Sell | Open Market | 425 | $20K | 3/6/2026 |
| Green Paula | ▼ Sell | Open Market | 935 | $43K | 3/6/2026 |
| Emily M. Leproust | ▼ Sell | Open Market | 2,423 | $112K | 3/6/2026 |
| Finn Patrick John | ▼ Sell | Open Market | 4,294 | $201K | 2/23/2026 |
| WERNER ROBERT F. | ▼ Sell | Open Market | 1,693 | $79K | 2/23/2026 |
| Laponis Adam | ▼ Sell | Open Market | 2,085 | $97K | 2/23/2026 |
| Emily M. Leproust | ▼ Sell | Open Market | 7,205 | $337K | 2/23/2026 |
| Green Paula | ▼ Sell | Open Market | 1,465 | $68K | 2/23/2026 |
| Cho Dennis | ▼ Sell | Open Market | 844 | $39K | 2/23/2026 |
| Green Paula | ▼ Sell | Open Market | 39,404 | $2.1M | 2/17/2026 |
| Finn Patrick John | ▲ Buy | Option Exercise | 18,205 | $425K | 2/17/2026 |
| Finn Patrick John | ▲ Buy | Option Exercise | 32,300 | $861K | 2/17/2026 |
| Finn Patrick John | ▼ Sell | Open Market | 21,858 | $1.1M | 2/17/2026 |
| Finn Patrick John | ▼ Sell | Open Market | 16,616 | $854K | 2/17/2026 |
| Finn Patrick John | ▼ Sell | Open Market | 26,952 | $1.4M | 2/17/2026 |
| Finn Patrick John | ▼ Sell | Open Market | 3,541 | $188K | 2/17/2026 |
| CHESS ROBERT | ▼ Sell | Open Market | 2,184 | $105K | 2/13/2026 |
| Finn Patrick John | ▲ Buy | Option Exercise | 500 | $12K | 2/13/2026 |
| Finn Patrick John | ▲ Buy | Option Exercise | 712 | $19K | 2/13/2026 |
| Finn Patrick John | ▼ Sell | Open Market | 1,750 | $88K | 2/13/2026 |
| Finn Patrick John | ▲ Buy | Option Exercise | 1,000 | $23K | 2/12/2026 |
| Finn Patrick John | ▲ Buy | Option Exercise | 1,500 | $40K | 2/12/2026 |
| Finn Patrick John | ▼ Sell | Open Market | 3,500 | $176K | 2/12/2026 |
| Laponis Adam | ▼ Sell | Open Market | 7,000 | $350K | 2/12/2026 |
| Cho Dennis | ▼ Sell | Open Market | 5,000 | $250K | 2/11/2026 |
| WERNER ROBERT F. | ▼ Sell | Gift | 2,000 | $0 | 2/9/2026 |
| JOHANNESSEN JAN | ▼ Sell | Open Market | 2,200 | $105K | 2/6/2026 |
| Keith Crandell | ▲ Buy | Grant | 5,095 | $0 | 2/5/2026 |
| Starovasnik Melissa A. | ▲ Buy | Grant | 5,095 | $0 | 2/5/2026 |
| Robert P. Ragusa | ▲ Buy | Grant | 5,095 | $0 | 2/5/2026 |
| CHESS ROBERT | ▲ Buy | Grant | 5,095 | $0 | 2/5/2026 |
| Nelson Chan | ▲ Buy | Grant | 5,095 | $0 | 2/5/2026 |
| Katryn Blake | ▲ Buy | Grant | 5,095 | $0 | 2/5/2026 |
| JOHANNESSEN JAN | ▲ Buy | Grant | 5,095 | $0 | 2/5/2026 |
| WERNER ROBERT F. | ▼ Sell | Open Market | 7,000 | $320K | 2/4/2026 |
| Finn Patrick John | ▼ Sell | Open Market | 2,705 | $126K | 2/3/2026 |
| Cho Dennis | ▼ Sell | Open Market | 1,099 | $51K | 2/3/2026 |
| Emily M. Leproust | ▼ Sell | Open Market | 5,001 | $233K | 2/3/2026 |
| WERNER ROBERT F. | ▼ Sell | Open Market | 175 | $8K | 2/3/2026 |
| Green Paula | ▼ Sell | Open Market | 1,194 | $56K | 2/3/2026 |
| Finn Patrick John | ▼ Sell | Open Market | 2,390 | $107K | 1/23/2026 |
| Laponis Adam | ▼ Sell | Open Market | 3,000 | $120K | 1/13/2026 |
| Finn Patrick John | ▲ Buy | Option Exercise | 3,279 | $29K | 1/13/2026 |
| Finn Patrick John | ▼ Sell | Open Market | 23,279 | $931K | 1/13/2026 |
| Laponis Adam | ▼ Sell | Open Market | 2,738 | $97K | 1/9/2026 |
| Green Paula | ▼ Sell | Open Market | 273 | $9K | 12/22/2025 |
| Cho Dennis | ▼ Sell | Open Market | 324 | $11K | 12/22/2025 |
| Emily M. Leproust | ▼ Sell | Open Market | 1,605 | $55K | 12/22/2025 |
| Cho Dennis | ▼ Sell | Open Market | 398 | $13K | 12/8/2025 |
| Emily M. Leproust | ▼ Sell | Open Market | 2,255 | $74K | 12/8/2025 |
| Green Paula | ▼ Sell | Open Market | 877 | $29K | 12/8/2025 |
| WERNER ROBERT F. | ▼ Sell | Open Market | 230 | $8K | 12/8/2025 |
| WERNER ROBERT F. | ▼ Sell | Open Market | 822 | $24K | 11/24/2025 |
| Cho Dennis | ▼ Sell | Open Market | 757 | $20K | 11/21/2025 |
| Finn Patrick John | ▼ Sell | Open Market | 1,776 | $47K | 11/21/2025 |
| Green Paula | ▼ Sell | Open Market | 598 | $16K | 11/21/2025 |
| Laponis Adam | ▼ Sell | Open Market | 887 | $24K | 11/21/2025 |
| Emily M. Leproust | ▼ Sell | Open Market | 2,663 | $71K | 11/21/2025 |
| WERNER ROBERT F. | ▼ Sell | Open Market | 229 | $6K | 11/21/2025 |
| Emily M. Leproust | ▲ Buy | Grant | 146,914 | $0 | 11/18/2025 |
| Finn Patrick John | ▲ Buy | Grant | 68,740 | $0 | 11/18/2025 |
| Laponis Adam | ▲ Buy | Grant | 32,648 | $0 | 11/18/2025 |
| Cho Dennis | ▲ Buy | Grant | 25,465 | $0 | 11/18/2025 |
| Green Paula | ▲ Buy | Grant | 26,200 | $0 | 11/18/2025 |
| WERNER ROBERT F. | ▲ Buy | Grant | 16,324 | $0 | 11/18/2025 |
| JOHANNESSEN JAN | ▼ Sell | Open Market | 7,044 | $174K | 11/18/2025 |
| Cho Dennis | ▼ Sell | Open Market | 1,019 | $33K | 11/3/2025 |
| Finn Patrick John | ▼ Sell | Open Market | 2,755 | $88K | 11/3/2025 |
| Green Paula | ▼ Sell | Open Market | 1,084 | $35K | 11/3/2025 |
| Emily M. Leproust | ▼ Sell | Open Market | 4,887 | $157K | 11/3/2025 |
| WERNER ROBERT F. | ▼ Sell | Open Market | 160 | $5K | 11/3/2025 |
| Cho Dennis | ▼ Sell | Open Market | 6,515 | $205K | 10/30/2025 |
| Finn Patrick John | ▼ Sell | Open Market | 17,606 | $554K | 10/30/2025 |
| Green Paula | ▼ Sell | Open Market | 6,920 | $218K | 10/30/2025 |
| Emily M. Leproust | ▼ Sell | Open Market | 31,379 | $987K | 10/30/2025 |
| Laponis Adam | ▼ Sell | Open Market | 5,517 | $173K | 10/30/2025 |
| WERNER ROBERT F. | ▼ Sell | Open Market | 1,016 | $32K | 10/30/2025 |
| Finn Patrick John | ▲ Buy | Grant | 79,785 | $0 | 10/28/2025 |
| Cho Dennis | ▲ Buy | Grant | 29,518 | $0 | 10/28/2025 |
| Green Paula | ▲ Buy | Grant | 35,513 | $0 | 10/28/2025 |
| Emily M. Leproust | ▲ Buy | Grant | 168,976 | $0 | 10/28/2025 |
| WERNER ROBERT F. | ▲ Buy | Grant | 5,633 | $0 | 10/28/2025 |
| Laponis Adam | ▲ Buy | Grant | 25,000 | $0 | 10/28/2025 |
| Finn Patrick John | ▼ Sell | Open Market | 2,240 | $69K | 10/23/2025 |
| Laponis Adam | ▼ Sell | Open Market | 2,517 | $83K | 10/9/2025 |
| Laponis Adam | ▼ Sell | Open Market | 3,000 | $93K | 10/8/2025 |
| Laponis Adam | ▼ Sell | Open Market | 5,875 | $189K | 10/6/2025 |
| Emily M. Leproust | ▼ Sell | Open Market | 31,348 | $1.0M | 10/6/2025 |
| WERNER ROBERT F. | ▼ Sell | Open Market | 2,041 | $66K | 10/6/2025 |
| Green Paula | ▼ Sell | Open Market | 9,724 | $313K | 10/6/2025 |
| Finn Patrick John | ▼ Sell | Open Market | 23,747 | $764K | 10/6/2025 |
| Cho Dennis | ▼ Sell | Open Market | 3,876 | $125K | 10/6/2025 |
| Cho Dennis | ▼ Sell | Open Market | 124 | $4K | 10/2/2025 |
| Green Paula | ▼ Sell | Open Market | 140 | $4K | 10/2/2025 |
| Emily M. Leproust | ▼ Sell | Open Market | 476 | $14K | 10/2/2025 |
| Finn Patrick John | ▼ Sell | Open Market | 206 | $6K | 10/2/2025 |
| Cho Dennis | ▼ Sell | Open Market | 233 | $6K | 9/22/2025 |
| Green Paula | ▼ Sell | Open Market | 295 | $8K | 9/22/2025 |
| Emily M. Leproust | ▼ Sell | Open Market | 1,704 | $47K | 9/22/2025 |
| Cho Dennis | ▼ Sell | Open Market | 94 | $2K | 9/15/2025 |
| Cho Dennis | ▼ Sell | Open Market | 269 | $7K | 9/8/2025 |
| Green Paula | ▼ Sell | Open Market | 892 | $23K | 9/8/2025 |
| Emily M. Leproust | ▼ Sell | Open Market | 2,265 | $58K | 9/8/2025 |
| WERNER ROBERT F. | ▼ Sell | Open Market | 235 | $6K | 9/8/2025 |
| WERNER ROBERT F. | ▼ Sell | Open Market | 853 | $24K | 8/25/2025 |
| Emily M. Leproust | ▼ Sell | Open Market | 2,716 | $71K | 8/21/2025 |
| WERNER ROBERT F. | ▼ Sell | Open Market | 238 | $6K | 8/21/2025 |
| Green Paula | ▼ Sell | Open Market | 619 | $16K | 8/21/2025 |
| Laponis Adam | ▼ Sell | Open Market | 918 | $24K | 8/21/2025 |
| Finn Patrick John | ▼ Sell | Open Market | 1,840 | $48K | 8/21/2025 |
| Cho Dennis | ▼ Sell | Open Market | 521 | $14K | 8/21/2025 |
| Katryn Blake | ▲ Buy | Grant | 14,353 | $0 | 8/5/2025 |
| WERNER ROBERT F. | ▼ Sell | Open Market | 186 | $5K | 8/4/2025 |
| Emily M. Leproust | ▼ Sell | Open Market | 5,585 | $158K | 8/4/2025 |
| Green Paula | ▼ Sell | Open Market | 1,255 | $36K | 8/4/2025 |
| Cho Dennis | ▼ Sell | Open Market | 785 | $22K | 8/4/2025 |