TWST · ISSUER CIK 1581280
Twist Bioscience Corp
Between Aug 1, 2026 and Oct 29, 2026, 8 Twist Bioscience Corp insiders reported $0.00 of open-market purchases and $120.1M of sales on SEC Form 4.
↗8 insiders filed
Original Form 4 filings from Aug 1, 2026 to Oct 29, 2026. 11 of 37 sales were reported under a 10b5-1 plan.
$0.00Insider buying
$120.1MInsider selling
−$120.1MNet open-market
Oct 27, 2026Latest filing
| Ticker | Insider | Type | Owned | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 27, 202616:05 | Oct 23, 2026 | TWST | President and COO | S · Sell | $134.59 | −2,245 | 182,843 | -1% | −$302K | ||
| Oct 13, 202616:05 | Oct 9, 2026 | TWST | Chief Financial Officer | S · Sell | $156.30 | −2,462 | 98,114 | -2% | −$385K | ||
| Oct 7, 202616:05 | Oct 5, 2026 | TWST | Chief Executive Officer, Director | S · Sell10b5-1 | $202.15 | −4,548 | 562,760 | -1% | −$919K | ||
| Oct 5, 202616:05 | Oct 2, 2026 | TWST | Chief Financial Officer | S · Sell | $188.88 | −8,057 | 100,576 | -7% | −$1.5M | ||
| Oct 5, 202616:05 | Oct 2, 2026 | TWST | SVP of Human Resources | S · Sell | $188.88 | −10,088 | 106,632 | -9% | −$1.9M | ||
| Oct 5, 202616:05 | Oct 2, 2026 | TWST | President and COO | S · Sell | $188.88 | −25,714 | 185,088 | -12% | −$4.9M | ||
| Oct 5, 202616:05 | Oct 2, 2026from Oct 1, 2026 | TWST | Chief Executive Officer, Director | S · Sell10b5-1 | $189.04 | −46,391 | 567,308 | -8% | −$8.8M | ||
| Oct 5, 202616:05 | Oct 2, 2026 | TWST | See Remarks | S · Sell | $188.88 | −9,514 | 63,789 | -13% | −$1.8M | ||
| Oct 5, 202616:05 | Oct 2, 2026 | TWST | Chief Accounting Officer | S · Sell | $188.88 | −1,482 | 42,917 | -3% | −$280K | ||
| Sep 25, 202616:05 | Sep 24, 2026 | TWST | Chief Executive Officer, Director | S · Sell10b5-1 | $177.38 | −5,203 | 613,699 | -1% | −$923K | ||
| Sep 23, 202616:08 | Sep 21, 2026 | TWST | See Remarks | S · Sell | $165.49 | −348 | 73,303 | -0% | −$58K | ||
| Sep 23, 202616:07 | Sep 21, 2026 | TWST | SVP of Human Resources | S · Sell | $165.49 | −294 | 116,720 | -0% | −$49K | ||
| Sep 23, 202616:07 | Sep 21, 2026 | TWST | Chief Executive Officer, Director | S · Sell | $165.49 | −1,687 | 618,902 | -0% | −$279K | ||
| Sep 21, 202616:05 | Sep 17, 2026 | TWST | Chief Executive Officer, Director | S · Sell10b5-1 | $157.99 | −356,546 | 620,589 | -36% | −$56.3M | ||
| Sep 21, 202616:05 | Sep 17, 2026 | TWST | Chief Executive Officer, Director | M · Exercise10b5-1 | $20.21 | +208,708 | 977,135 | +27% | $4.2M | ||
| Sep 10, 202616:00 | Sep 8, 2026 | TWST | See Remarks | S · Sell | $122.62 | −412 | 73,651 | -1% | −$51K | ||
| Sep 10, 202616:00 | Sep 8, 2026 | TWST | SVP of Human Resources | S · Sell | $122.62 | −907 | 117,014 | -1% | −$111K | ||
| Sep 10, 202616:00 | Sep 8, 2026 | TWST | Chief Executive Officer, Director | S · Sell | $122.62 | −2,302 | 768,427 | -0% | −$282K | ||
| Sep 10, 202616:00 | Sep 8, 2026 | TWST | Chief Accounting Officer | S · Sell | $122.62 | −238 | 44,399 | -1% | −$29K | ||
| Aug 27, 202616:05 | Aug 25, 2026 | TWST | Chief Executive Officer, Director | S · Sell10b5-1 | $151.98 | −41,570 | 770,729 | -5% | −$6.3M | ||
| Aug 25, 202616:05 | Aug 21, 2026 | TWST | See Remarks | S · Sell | $139.07 | −1,598 | 74,063 | -2% | −$222K | ||
| Aug 25, 202616:05 | Aug 21, 2026 | TWST | President and COO | S · Sell | $139.07 | −4,046 | 210,802 | -2% | −$563K | ||
| Aug 25, 202616:05 | Aug 21, 2026 | TWST | SVP of Human Resources | S · Sell | $139.07 | −1,360 | 117,921 | -1% | −$189K | ||
| Aug 25, 202616:05 | Aug 21, 2026 | TWST | Chief Financial Officer | S · Sell | $139.07 | −1,965 | 108,633 | -2% | −$273K | ||
| Aug 25, 202616:05 | Aug 21, 2026 | TWST | Chief Executive Officer, Director | S · Sell | $139.07 | −6,639 | 812,299 | -1% | −$923K | ||
| Aug 25, 202616:05 | Aug 24, 2026from Aug 21, 2026 | TWST | Chief Accounting Officer | S · Sell | $140.02 | −1,523 | 44,637 | -3% | −$213K | ||
| Aug 21, 202616:05 | Aug 19, 2026 | TWST | See Remarks | S · Sell10b5-1 | $129.75 | −14,205 | 75,661 | -16% | −$1.8M | ||
| Aug 20, 202616:05 | Aug 18, 2026 | TWST | President and COO | S · Sell10b5-1 | $117.64 | −78,355 | 214,678 | -27% | −$9.2M | ||
| Aug 20, 202616:05 | Aug 18, 2026 | TWST | President and COO | M · Exercise10b5-1 | $67.85 | +23,355 | 293,033 | +9% | $1.6M | ||
| Aug 14, 202616:12 | Aug 12, 2026 | TWST | Director | S · Sell | $122.88 | −2,240 | 17,208 | -12% | −$275K | ||
| Aug 14, 202616:05 | Aug 12, 2026 | TWST | Chief Executive Officer, Director | S · Sell10b5-1 | $125.08 | −19,952 | 818,938 | -2% | −$2.5M | ||
| Aug 14, 202616:05 | Aug 12, 2026 | TWST | Chief Executive Officer, Director | M · Exercise10b5-1 | $26.66 | +19,952 | 838,890 | +2% | $532K | ||
| Aug 12, 202616:05 | Aug 10, 2026 | TWST | Chief Executive Officer, Director | S · Sell10b5-1 | $125.16 | −113,318 | 818,938 | -12% | −$14.2M | ||
| Aug 12, 202616:05 | Aug 10, 2026 | TWST | Chief Executive Officer, Director | M · Exercise10b5-1 | $26.66 | +113,318 | 932,256 | +14% | $3.0M | ||
| Aug 11, 202616:05 | Aug 7, 2026 | TWST | Director | S · Sell10b5-1 | $110.89 | −18,417 | 21,084 | -47% | −$2.0M | ||
| Aug 11, 202616:05 | Aug 7, 2026 | TWST | Director | M · Exercise10b5-1 | $11.89 | +18,417 | 39,501 | +87% | $219K | ||
| Aug 7, 202616:05 | Aug 5, 2026 | TWST | See Remarks | S · Sell10b5-1 | $109.75 | −14,205 | 89,866 | -14% | −$1.6M | ||
| Aug 5, 202616:05 | Aug 3, 2026 | TWST | President and COO | S · Sell | $85.32 | −2,888 | 269,678 | -1% | −$246K | ||
| Aug 5, 202616:05 | Aug 3, 2026 | TWST | SVP of Human Resources | S · Sell | $85.32 | −1,133 | 119,281 | -1% | −$97K | ||
| Aug 5, 202616:05 | Aug 3, 2026 | TWST | Chief Executive Officer, Director | S · Sell | $85.32 | −5,101 | 818,938 | -1% | −$435K | ||
| Aug 5, 202616:05 | Aug 3, 2026 | TWST | Chief Accounting Officer | S · Sell | $85.32 | −167 | 46,160 | -0% | −$14K | ||
| Aug 5, 202616:05 | Aug 3, 2026 | TWST | See Remarks | S · Sell | $85.32 | −1,070 | 104,071 | -1% | −$91K |