| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Across the last three months, Twist Bioscience Corporation's insiders have reduced their positions by a net 805,945 shares worth roughly $119.7M. In the past 30 days, 0 insiders bought and 6 sold.
On the other side, 6 insiders reduced their position over the period. TWST sits in the Life Sciences Tools & Services industry within the Health Care sector, so this activity is best read against the sector's broader insider trend.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| CEO | 565.5K | $113.34M | -50,939 | |
| COO | 185.1K | $34.96M | -25,714 | |
| VP | 106.6K | $20.14M | -10,088 | |
| CFO | 98.1K | $15.34M | -10,519 | |
| Other | 63.8K | $12.05M | -9,514 |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Oct 9, 2026 | Laponis Adam58 | Chief Financial Officer | Sell | 2,462 | $156.30 | $384,822.66 | -2.4% | - | - | |
| Oct 5, 2026 | Leproust Emily M.75 | Chief Executive Officer | Sell | 4,548 | $202.15 | $919,373.66 | -0.8% | - | - | |
| Oct 2, 2026 | Laponis Adam58 | Chief Financial Officer | Sell | 8,057 | $188.88 | $1,521,838.39 | -7.4% | - | - | |
| Oct 2, 2026 | Finn Patrick John71 | President And COO | Sell | 25,714 | $188.88 | $4,856,963.18 | -12.2% | - | - | |
| Oct 2, 2026 | Green Paula67 | SVP Of Human Resources | Sell | 10,088 | $188.88 | $1,905,461.79 | -8.6% | - | - | |
| Oct 2, 2026 | Cho Dennis68 | See Remarks | Sell | 9,514 | $188.88 | $1,797,042.38 | -13.0% | - | - | |
| Oct 2, 2026 | Werner Robert F.62 | Chief Accounting Officer | Sell | 1,482 | $188.88 | $279,926.09 | -3.3% | - | - | |
| Oct 2, 2026 | Leproust Emily M.75 | Chief Executive Officer | Sell | 46,391 | $189.04 | $8,769,798.62 | -7.6% | - | - | |
| Sep 24, 2026 | Leproust Emily M.75 | Chief Executive Officer | Sell | 5,203 | $177.38 | $922,906.54 | -0.8% | - | - | |
| Sep 21, 2026 | Leproust Emily M.75 | Chief Executive Officer | Sell | 1,687 | $165.49 | $279,183.32 | -0.3% | - | - |