| $350M | ||
| $217M | ||
| $172M | ||
| $109M | ||
| $107M | ||
| $104M |
Buys | $0 | 0 | 0 |
Sells | $90,551,152 | 126 | 100 |
| BLAKE KATRYN | director | 0 | $0 | 1 | $275,251 | $-275,251 |
| Starovasnik Melissa A. | director | 0 | $0 | 4 | $282,435 | $-282,435 |
| JOHANNESSEN JAN | director | 0 | $0 | 3 | $953,315 | $-953,315 |
| WERNER ROBERT F. | Chief Accounting Officer | 0 | $0 | 18 | $1.47M | $-1.47M |
| CHESS ROBERT | director | 0 | $0 | 3 | $2.62M | $-2.62M |
| Laponis Adam | Chief Financial Officer | 0 | $0 | 14 | $4.02M | $-4.02M |
| Green Paula | SVP of Human Resources | 0 | $0 | 19 | $7.05M | $-7.05M |
| Cho Dennis | See Remarks | 0 | $0 | 22 | $8.6M | $-8.6M |
| Finn Patrick John | President and COO | 0 | $0 | 18 | $21.25M | $-21.25M |
| Leproust Emily M. | Chief Executive Officer | 0 | $0 | 29 | $44.37M | $-44.37M |
Twist Bioscience Corporation operates as a leading synthetic biology firm, specializing in the production and sale of products developed from synthesized DNA. The company utilizes a unique DNA synthesis platform that facilitates the creation of artificial DNA by "writing" it directly onto silicon chips. Its extensive product catalog encompasses custom synthetic genes, specialized tools designed for sample preparation, comprehensive antibody libraries essential for pharmaceutical research and development, and advanced applications leveraging DNA …
Over the last 12 months, insiders at Twist Bioscience Corporation have bought $0 and sold $90.55M worth of Twist Bioscience Corporation stock.
On average, over the past 5 years, insiders at Twist Bioscience Corporation have bought $191,048 and sold $24.03M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 10,000 shares for transaction amount of $132,000 was made by Cho Dennis (See Remarks) on 2023‑05‑10.
| 2026-10-23 | Sale | Finn Patrick John | President and COO | 2,245 0.0035% | $134.59 | $302,152 | +9.19% | |
| 2026-10-09 | Sale | Laponis Adam | Chief Financial Officer | 2,462 0.0039% | $156.30 | $384,823 | -9.09% | |
| 2026-10-05 | Sale | Leproust Emily M. | Chief Executive Officer | 4,548 0.0072% | $202.15 | $919,374 | -27.25% | |
| 2026-10-02 | Sale | Leproust Emily M. | Chief Executive Officer | 45,736 0.0734% | $188.88 | $8.64M | -20.37% | |
| 2026-10-02 | Sale | Finn Patrick John | President and COO | 25,714 0.0413% | $188.88 | $4.86M | -20.37% | |
| 2026-10-02 | Sale | Green Paula | SVP of Human Resources | 10,088 0.0162% | $188.88 | $1.91M | -20.37% | |
| 2026-10-02 | Sale | Laponis Adam | Chief Financial Officer | 8,057 0.0129% | $188.88 | $1.52M | -20.37% | |
| 2026-10-02 | Sale | Cho Dennis | See Remarks | 9,514 0.0153% | $188.88 | $1.8M | -20.37% | |
| 2026-10-02 | Sale | WERNER ROBERT F. | Chief Accounting Officer | 1,482 0.0024% | $188.88 | $279,926 | -20.37% | |
| 2026-10-01 | Sale | Leproust Emily M. | Chief Executive Officer | 655 0.0011% | $200.00 | $131,000 | -19.53% | |
| 2026-09-24 | Sale | Leproust Emily M. | Chief Executive Officer | 5,203 0.0081% | $177.38 | $922,907 | -17.18% | |
| 2026-09-21 | Sale | Leproust Emily M. | Chief Executive Officer | 1,687 0.0027% | $165.49 | $279,183 | -6.14% | |
| 2026-09-21 | Sale | Green Paula | SVP of Human Resources | 294 0.0005% | $165.49 | $48,654 | -6.14% | |
| 2026-09-21 | Sale | Cho Dennis | See Remarks | 348 0.0006% | $165.49 | $57,591 | -6.14% | |
| 2026-09-08 | Sale | Leproust Emily M. | Chief Executive Officer | 2,302 0.0035% | $122.62 | $282,280 | +19.02% | |
| 2026-09-08 | Sale | Green Paula | SVP of Human Resources | 907 0.0014% | $122.62 | $111,220 | +19.02% | |
| 2026-09-08 | Sale | Cho Dennis | See Remarks | 412 0.0006% | $122.62 | $50,521 | +19.02% | |
| 2026-09-08 | Sale | WERNER ROBERT F. | Chief Accounting Officer | 238 0.0004% | $122.62 | $29,185 | +19.02% | |
| 2026-08-25 | Sale | Leproust Emily M. | Chief Executive Officer | 41,570 0.067% | $151.98 | $6.32M | -0.90% | |
| 2026-08-24 | Sale | WERNER ROBERT F. | Chief Accounting Officer | 854 0.0014% | $140.77 | $120,220 | +7.03% |
| Cho Dennis | See Remarks | 63789 0.0969% | $8.95M | 1 | 64 | +82.13% |
| ARCH Venture Partners VIII, LLC | 10 percent owner | 2407422 3.6569% | $337.76M | 1 | 0 | +78.29% |
| BARTHELEMY NICOLAS | 13939 0.0212% | $1.96M | 1 | 1 | +9.24% | |
| CRANDELL KEITH | director | 486 0.0007% | $68,185.80 | 1 | 2 | +78.29% |
| Increased Positions | 126 | +44.37% | 9M | +12.72% |
| Decreased Positions | 120 | -42.25% | 8M | -10.61% |
| New Positions | 51 | New | 2M | New |
| Sold Out Positions | 41 | Sold Out | 1M | Sold Out |
| Total Postitions | 290 | +2.11% | 75M | +2.12% |
| Ark Investment Management Llc | $217,881.00 | 11.03% | 6.73M | +326,367 | +5.1% | 2025-09-30 |
| Artisan Partners Limited Partnership | $207,649.00 | 10.51% | 6.41M | +1M | +26.67% | 2025-09-30 |
| Blackrock, Inc. | $200,118.00 | 10.13% | 6.18M | -98,119 | -1.56% | 2025-09-30 |
| Vanguard Group Inc | $186,830.00 | 9.46% | 5.77M | -63,162 | -1.08% | 2025-09-30 |
| William Blair Investment Management, Llc | $134,169.00 | 6.79% | 4.14M | +235,679 | +6.03% | 2025-09-30 |
| Edgepoint Investment Group Inc. | $132,226.00 | 6.69% | 4.08M | +2M | +71.1% | 2025-09-30 |
| State Street Corp | $100,055.00 | 5.06% | 3.09M | +588,066 | +23.51% | 2025-09-30 |
| Sumitomo Mitsui Trust Group, Inc. | $68,673.00 | 3.48% | 2.12M | -179,231 | -7.79% | 2025-09-30 |
| Amova Asset Management Americas, Inc. | $68,673.00 | 3.48% | 2.12M | -179,231 | -7.79% | 2025-09-30 |
| Soleus Capital Management, L.P. | $60,447.00 | 3.06% | 1.87M | +2M | +426.59% | 2025-09-30 |