TWST
Twist Bioscience Corporation$135.47-14.83 (-9.94%)Prev Close$149.13·MCap$8.92B·P/E—·Vol2.05M·Yield—
▲
Buys (12M)
0
$0.00
▼
Sells (12M)
133
$152.88M
◆
Net Activity
Net Seller
$152.88M
●
Active Insiders
10
last 12 mo
Over the past 12 months, insider activity at Twist Bioscience Corporation (TWST) has been exclusively selling, with 0 insider purchases totaling $0.00 and 133 insider sales totaling $152.88M. The most recent insider transaction was by Laponis Adam (officer: Chief Financial Officer), who sold $384.8K worth of shares on Oct 13, 2026. Twist Bioscience Corporation operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $8.92B.
TWST Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Oct 13, 2026 | Laponis Adam | officer: Chief Financial Officer | Sell | 2,462 | $156.30 | $384.8K | 98,114 |
| Oct 7, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 4,548 | $202.15 | $919.4K | 565,468 |
| Oct 5, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 46,391 | $189.04 | $8.77M | 613,044 |
| Oct 5, 2026 | Finn Patrick John | officer: President and COO | Sell | 25,714 | $188.88 | $4.86M | 185,088 |
| Oct 5, 2026 | Green Paula | officer: SVP of Human Resources | Sell | 10,088 | $188.88 | $1.91M | 106,632 |
| Oct 5, 2026 | Cho Dennis | officer: See Remarks | Sell | 9,514 | $188.88 | $1.80M | 63,789 |
| Oct 5, 2026 | Laponis Adam | officer: Chief Financial Officer | Sell | 8,057 | $188.88 | $1.52M | 100,576 |
| Oct 5, 2026 | WERNER ROBERT F. | officer: Chief Accounting Officer | Sell | 1,482 | $188.88 | $279.9K | 42,917 |
| Sep 25, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 5,203 | $177.38 | $922.9K | 616,417 |
| Sep 23, 2026 | Cho Dennis | officer: See Remarks | Sell | 348 | $165.49 | $57.6K | 73,303 |
| Sep 23, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 1,687 | $165.49 | $279.2K | 618,902 |
| Sep 23, 2026 | Green Paula | officer: SVP of Human Resources | Sell | 294 | $165.49 | $48.7K | 116,720 |
| Sep 21, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 356,546 | $157.99 | $56.33M0.6% OS | 974,695-27% |
| Sep 10, 2026 | WERNER ROBERT F. | officer: Chief Accounting Officer | Sell | 238 | $122.62 | $29.2K | 44,399 |
| Sep 10, 2026 | Green Paula | officer: SVP of Human Resources | Sell | 907 | $122.62 | $111.2K | 117,014 |
| Sep 10, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 2,302 | $122.62 | $282.3K | 768,427 |
| Sep 10, 2026 | Cho Dennis | officer: See Remarks | Sell | 412 | $122.62 | $50.5K | 73,651 |
| Aug 27, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 41,570 | $151.98 | $6.32M | 799,651 |
| Aug 25, 2026 | Green Paula | officer: SVP of Human Resources | Sell | 1,360 | $139.07 | $189.1K | 117,921 |
| Aug 25, 2026 | WERNER ROBERT F. | officer: Chief Accounting Officer | Sell | 1,523 | $140.02 | $213.3K | 45,491 |
| Aug 25, 2026 | Finn Patrick John | officer: President and COO | Sell | 4,046 | $139.07 | $562.7K | 210,802 |
| Aug 25, 2026 | Cho Dennis | officer: See Remarks | Sell | 1,598 | $139.07 | $222.2K | 74,063 |
| Aug 25, 2026 | Laponis Adam | officer: Chief Financial Officer | Sell | 1,965 | $139.07 | $273.3K | 108,633 |
| Aug 25, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 6,639 | $139.07 | $923.3K | 812,299 |
| Aug 21, 2026 | Cho Dennis | officer: See Remarks | Sell | 14,205 | $129.75 | $1.84M | 75,661 |
| Aug 20, 2026 | Finn Patrick John | officer: President and COO | Sell | 78,355 | $117.64 | $9.22M | 259,679 |
| Aug 14, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 19,952 | $125.08 | $2.50M | 818,938 |
| Aug 14, 2026 | BLAKE KATRYN | director | Sell | 2,240 | $122.88 | $275.3K | 17,208 |
| Aug 12, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 113,318 | $125.16 | $14.18M | 818,938 |
| Aug 11, 2026 | CHESS ROBERT | director | Sell | 18,417 | $110.89 | $2.04M | 21,084-47% |
| Aug 7, 2026 | Cho Dennis | officer: See Remarks | Sell | 14,205 | $109.75 | $1.56M | 89,866 |
| Aug 5, 2026 | Finn Patrick John | officer: President and COO | Sell | 2,888 | $85.32 | $246.4K | 269,678 |
| Aug 5, 2026 | WERNER ROBERT F. | officer: Chief Accounting Officer | Sell | 167 | $85.32 | $14.2K | 46,160 |
| Aug 5, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 5,101 | $85.32 | $435.2K | 818,938 |
| Aug 5, 2026 | Cho Dennis | officer: See Remarks | Sell | 1,070 | $85.32 | $91.3K | 104,071 |
| Aug 5, 2026 | Green Paula | officer: SVP of Human Resources | Sell | 1,133 | $85.32 | $96.7K | 119,281 |
| Jul 27, 2026 | Finn Patrick John | officer: President and COO | Sell | 2,238 | $93.89 | $210.1K | 272,566 |
| Jul 13, 2026 | Laponis Adam | officer: Chief Financial Officer | Sell | 2,399 | $94.33 | $226.3K | 110,276 |
| Jun 26, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 18,880 | $95.00 | $1.79M | 824,039 |
| Jun 26, 2026 | Cho Dennis | officer: See Remarks | Sell | 14,205 | $89.75 | $1.27M | 105,141 |
| Jun 24, 2026 | Green Paula | officer: SVP of Human Resources | Sell | 291 | $87.32 | $25.4K | 120,414 |
| Jun 24, 2026 | Cho Dennis | officer: See Remarks | Sell | 346 | $87.32 | $30.2K | 119,346 |
| Jun 24, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 1,688 | $87.32 | $147.4K | 842,919 |
| Jun 17, 2026 | Green Paula | officer: SVP of Human Resources | Sell | 26,137 | $81.67 | $2.13M | 122,733 |
| Jun 10, 2026 | WERNER ROBERT F. | officer: Chief Accounting Officer | Sell | 1,359 | $69.20 | $94.0K | 47,954 |
| Jun 10, 2026 | Cho Dennis | officer: See Remarks | Sell | 402 | $69.84 | $28.1K | 119,692 |
| Jun 10, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 2,265 | $69.84 | $158.2K | 844,607 |
| Jun 10, 2026 | Green Paula | officer: SVP of Human Resources | Sell | 884 | $69.84 | $61.7K | 120,705 |
| Jun 2, 2026 | Cho Dennis | officer: See Remarks | Sell | 14,205 | $69.75 | $990.8K | 120,094 |
| Jun 2, 2026 | Laponis Adam | officer: Chief Financial Officer | Sell | 4,000 | $70.00 | $280.0K | 112,675 |
Showing 1–50 of 419
1 / 9
...
TWST Insider Buying Activity
The following table shows recent insider purchases of Twist Bioscience Corporation (TWST) stock reported via SEC Form 4 filings.
No insider buying activity found for TWST in the last 12 months.
TWST Insider Selling Activity
The following table shows recent insider sales of Twist Bioscience Corporation (TWST) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Oct 13, 2026 | Laponis Adam | officer: Chief Financial Officer | Sell | 2,462 | $156.30 | $384.8K | 98,114 |
| Oct 7, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 4,548 | $202.15 | $919.4K | 565,468 |
| Oct 5, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 46,391 | $189.04 | $8.77M | 613,044 |
| Oct 5, 2026 | Finn Patrick John | officer: President and COO | Sell | 25,714 | $188.88 | $4.86M | 185,088 |
| Oct 5, 2026 | Green Paula | officer: SVP of Human Resources | Sell | 10,088 | $188.88 | $1.91M | 106,632 |
| Oct 5, 2026 | Cho Dennis | officer: See Remarks | Sell | 9,514 | $188.88 | $1.80M | 63,789 |
| Oct 5, 2026 | Laponis Adam | officer: Chief Financial Officer | Sell | 8,057 | $188.88 | $1.52M | 100,576 |
| Oct 5, 2026 | WERNER ROBERT F. | officer: Chief Accounting Officer | Sell | 1,482 | $188.88 | $279.9K | 42,917 |
| Sep 25, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 5,203 | $177.38 | $922.9K | 616,417 |
| Sep 23, 2026 | Cho Dennis | officer: See Remarks | Sell | 348 | $165.49 | $57.6K | 73,303 |
| Sep 23, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 1,687 | $165.49 | $279.2K | 618,902 |
| Sep 23, 2026 | Green Paula | officer: SVP of Human Resources | Sell | 294 | $165.49 | $48.7K | 116,720 |
| Sep 21, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 356,546 | $157.99 | $56.33M0.6% OS | 974,695-27% |
| Sep 10, 2026 | WERNER ROBERT F. | officer: Chief Accounting Officer | Sell | 238 | $122.62 | $29.2K | 44,399 |
| Sep 10, 2026 | Green Paula | officer: SVP of Human Resources | Sell | 907 | $122.62 | $111.2K | 117,014 |
| Sep 10, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 2,302 | $122.62 | $282.3K | 768,427 |
| Sep 10, 2026 | Cho Dennis | officer: See Remarks | Sell | 412 | $122.62 | $50.5K | 73,651 |
| Aug 27, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 41,570 | $151.98 | $6.32M | 799,651 |
| Aug 25, 2026 | Green Paula | officer: SVP of Human Resources | Sell | 1,360 | $139.07 | $189.1K | 117,921 |
| Aug 25, 2026 | WERNER ROBERT F. | officer: Chief Accounting Officer | Sell | 1,523 | $140.02 | $213.3K | 45,491 |
| Aug 25, 2026 | Finn Patrick John | officer: President and COO | Sell | 4,046 | $139.07 | $562.7K | 210,802 |
| Aug 25, 2026 | Cho Dennis | officer: See Remarks | Sell | 1,598 | $139.07 | $222.2K | 74,063 |
| Aug 25, 2026 | Laponis Adam | officer: Chief Financial Officer | Sell | 1,965 | $139.07 | $273.3K | 108,633 |
| Aug 25, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 6,639 | $139.07 | $923.3K | 812,299 |
| Aug 21, 2026 | Cho Dennis | officer: See Remarks | Sell | 14,205 | $129.75 | $1.84M | 75,661 |
| Aug 20, 2026 | Finn Patrick John | officer: President and COO | Sell | 78,355 | $117.64 | $9.22M | 259,679 |
| Aug 14, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 19,952 | $125.08 | $2.50M | 818,938 |
| Aug 14, 2026 | BLAKE KATRYN | director | Sell | 2,240 | $122.88 | $275.3K | 17,208 |
| Aug 12, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 113,318 | $125.16 | $14.18M | 818,938 |
| Aug 11, 2026 | CHESS ROBERT | director | Sell | 18,417 | $110.89 | $2.04M | 21,084-47% |
| Aug 7, 2026 | Cho Dennis | officer: See Remarks | Sell | 14,205 | $109.75 | $1.56M | 89,866 |
| Aug 5, 2026 | Finn Patrick John | officer: President and COO | Sell | 2,888 | $85.32 | $246.4K | 269,678 |
| Aug 5, 2026 | WERNER ROBERT F. | officer: Chief Accounting Officer | Sell | 167 | $85.32 | $14.2K | 46,160 |
| Aug 5, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 5,101 | $85.32 | $435.2K | 818,938 |
| Aug 5, 2026 | Cho Dennis | officer: See Remarks | Sell | 1,070 | $85.32 | $91.3K | 104,071 |
| Aug 5, 2026 | Green Paula | officer: SVP of Human Resources | Sell | 1,133 | $85.32 | $96.7K | 119,281 |
| Jul 27, 2026 | Finn Patrick John | officer: President and COO | Sell | 2,238 | $93.89 | $210.1K | 272,566 |
| Jul 13, 2026 | Laponis Adam | officer: Chief Financial Officer | Sell | 2,399 | $94.33 | $226.3K | 110,276 |
| Jun 26, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 18,880 | $95.00 | $1.79M | 824,039 |
| Jun 26, 2026 | Cho Dennis | officer: See Remarks | Sell | 14,205 | $89.75 | $1.27M | 105,141 |
| Jun 24, 2026 | Green Paula | officer: SVP of Human Resources | Sell | 291 | $87.32 | $25.4K | 120,414 |
| Jun 24, 2026 | Cho Dennis | officer: See Remarks | Sell | 346 | $87.32 | $30.2K | 119,346 |
| Jun 24, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 1,688 | $87.32 | $147.4K | 842,919 |
| Jun 17, 2026 | Green Paula | officer: SVP of Human Resources | Sell | 26,137 | $81.67 | $2.13M | 122,733 |
| Jun 10, 2026 | WERNER ROBERT F. | officer: Chief Accounting Officer | Sell | 1,359 | $69.20 | $94.0K | 47,954 |
| Jun 10, 2026 | Cho Dennis | officer: See Remarks | Sell | 402 | $69.84 | $28.1K | 119,692 |
| Jun 10, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 2,265 | $69.84 | $158.2K | 844,607 |
| Jun 10, 2026 | Green Paula | officer: SVP of Human Resources | Sell | 884 | $69.84 | $61.7K | 120,705 |
| Jun 2, 2026 | Cho Dennis | officer: See Remarks | Sell | 14,205 | $69.75 | $990.8K | 120,094 |
| Jun 2, 2026 | Laponis Adam | officer: Chief Financial Officer | Sell | 4,000 | $70.00 | $280.0K | 112,675 |
TWST Insiders
Similar Stocks to TWST
MRNA
Moderna, Inc.
$198.84-19.06%
$96.65B
REGN
Regeneron Pharmaceuticals, Inc.
$820.43+1.83%
$81.41B
RVMD
Revolution Medicines, Inc.
$187.77-3.35%
$38.14B
ALNY
Alnylam Pharmaceuticals, Inc.
$225.72+0.28%
$31.02B
UTHR
United Therapeutics Corporation
$584.17+3.67%
$23.76B
INCY
Incyte Corporation
$116.81+3.01%
$23.64B
INSM
Insmed Incorporated
$94.53+0.56%
$20.89B
EXEL
Exelixis, Inc.
$65.25+1.05%
$16.23B