| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 21, 2026 | Cho Dennis68 | See Remarks | Sell | 348 | $165.49 | $57,590.87 | -0.5% | - | - | |
| Sep 21, 2026 | Green Paula67 | SVP Of Human Resources | Sell | 294 | $165.49 | $48,654.35 | -0.3% | - | - | |
| Sep 17, 2026 | Leproust Emily M.75 | Chief Executive Officer | Sale+OE | 356,546 | $157.99 | $56,330,724.19 | -36.5% | - | - | |
| Sep 8, 2026 | Cho Dennis68 | See Remarks | Sell | 412 | $122.62 | $50,521.09 | -0.6% | - | - | |
| Sep 8, 2026 | Green Paula67 | SVP Of Human Resources | Sell | 907 | $122.62 | $111,219.97 | -0.8% | - | - | |
| Sep 8, 2026 | Leproust Emily M.75 | Chief Executive Officer | Sell | 2,302 | $122.62 | $282,280.45 | -0.3% | - | - | |
| Sep 8, 2026 | Werner Robert F.62 | Chief Accounting Officer | Sell | 238 | $122.62 | $29,184.51 | -0.5% | - | - | |
| Aug 25, 2026 | Leproust Emily M.75 | Chief Executive Officer | Sell | 41,570 | $151.98 | $6,317,759.52 | -5.1% | - | - | |
| Aug 24, 2026 | Werner Robert F.62 | Chief Accounting Officer | Sell | 1,523 | $140.02 | $213,255.30 | -3.3% | - | - | |
| Aug 21, 2026 | Cho Dennis68 | See Remarks | Sell | 1,598 | $139.07 | $222,227.47 | -2.1% | - | - |