TWST
Twist Bioscience Corporation$93.56+1.02 (+1.10%)Prev Close$92.53·MCap$5.64B·P/E—·Vol799.5K·Yield—
▲
Buys (12M)
0
$0.00
▼
Sells (12M)
128
$36.34M
◆
Net Activity
Net Seller
$36.34M
●
Active Insiders
9
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 128 insider sales totaling $36.34M. The most recent insider transaction was by Laponis Adam (officer: Chief Financial Officer), who sold $226.3K worth of shares on Jul 13, 2026. Twist Bioscience Corporation operates in the Healthcare sector, within the Medical - Diagnostics & Research industry, with a market cap of $5.64B.
TWST Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| 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 |
| Jun 1, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 16,470 | $67.91 | $1.12M | 861,860 |
| Jun 1, 2026 | Starovasnik Melissa A. | director | Sell | 2,500 | $68.00 | $170.0K | 22,222 |
| May 28, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 49,299 | $65.19 | $3.21M | 848,137 |
| May 28, 2026 | Starovasnik Melissa A. | director | Sell | 500 | $61.04 | $30.5K | 24,722 |
| May 28, 2026 | WERNER ROBERT F. | officer: Chief Accounting Officer | Sell | 800 | $62.48 | $50.0K | 48,186 |
| May 26, 2026 | Cho Dennis | officer: See Remarks | Sell | 1,642 | $53.26 | $87.4K | 134,299 |
| May 26, 2026 | Green Paula | officer: SVP of Human Resources | Sell | 1,399 | $53.26 | $74.5K | 121,589 |
| May 26, 2026 | WERNER ROBERT F. | officer: Chief Accounting Officer | Sell | 688 | $53.26 | $36.6K | 48,986 |
| May 26, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 6,888 | $53.26 | $366.8K | 846,872 |
| May 26, 2026 | Finn Patrick John | officer: President and COO | Sell | 4,160 | $53.26 | $221.5K | 274,804 |
| May 26, 2026 | Laponis Adam | officer: Chief Financial Officer | Sell | 2,019 | $53.26 | $107.5K | 116,675 |
| May 14, 2026 | JOHANNESSEN JAN | director | Sell | 12,000 | $56.12 | $673.4K | 17,754-40% |
| May 12, 2026 | WERNER ROBERT F. | officer: Chief Accounting Officer | Sell | 4,961 | $56.88 | $282.2K | 49,674 |
| May 6, 2026 | WERNER ROBERT F. | officer: Chief Accounting Officer | Sell | 164 | $57.15 | $9.4K | 54,635 |
| May 6, 2026 | Cho Dennis | officer: See Remarks | Sell | 1,962 | $57.15 | $112.1K | 135,941 |
| May 6, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 5,127 | $57.15 | $293.0K | 853,760 |
| May 6, 2026 | Finn Patrick John | officer: President and COO | Sell | 2,844 | $57.15 | $162.5K | 278,964 |
| May 6, 2026 | Green Paula | officer: SVP of Human Resources | Sell | 1,116 | $57.15 | $63.8K | 122,988 |
| Apr 29, 2026 | Starovasnik Melissa A. | director | Sell | 500 | $61.83 | $30.9K | 25,222 |
| Apr 27, 2026 | Finn Patrick John | officer: President and COO | Sell | 2,321 | $60.76 | $141.0K | 281,808 |
| Apr 23, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 9,671 | $65.24 | $631.0K | 859,038 |
| Apr 21, 2026 | Laponis Adam | officer: Chief Financial Officer | Sell | 4,000 | $60.00 | $240.0K | 118,694 |
| Apr 16, 2026 | Laponis Adam | officer: Chief Financial Officer | Sell | 3,000 | $55.00 | $165.0K | 122,694 |
| Apr 13, 2026 | Laponis Adam | officer: Chief Financial Officer | Sell | 2,597 | $49.89 | $129.6K | 125,694 |
| Apr 3, 2026 | Starovasnik Melissa A. | director | Sell | 1,000 | $51.00 | $51.0K | 25,722 |
| Mar 24, 2026 | Cho Dennis | officer: See Remarks | Sell | 354 | $43.79 | $15.5K | 137,903 |
| Mar 24, 2026 | Green Paula | officer: SVP of Human Resources | Sell | 297 | $43.79 | $13.0K | 124,104 |
| Mar 24, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 1,742 | $43.79 | $76.3K | 858,887 |
| Mar 19, 2026 | CHESS ROBERT | director | Sell | 10,000 | $47.00 | $470.0K | 21,084-32% |
| Mar 10, 2026 | Cho Dennis | officer: See Remarks | Sell | 425 | $46.43 | $19.7K | 138,257 |
| Mar 10, 2026 | Green Paula | officer: SVP of Human Resources | Sell | 935 | $46.43 | $43.4K | 124,401 |
| Mar 10, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 2,423 | $46.43 | $112.5K | 860,629 |
| Mar 10, 2026 | WERNER ROBERT F. | officer: Chief Accounting Officer | Sell | 246 | $46.43 | $11.4K | 54,799 |
| Feb 25, 2026 | Cho Dennis | officer: See Remarks | Sell | 844 | $46.71 | $39.4K | 138,682 |
| Feb 25, 2026 | Finn Patrick John | officer: President and COO | Sell | 4,294 | $46.71 | $200.6K | 284,129 |
| Feb 25, 2026 | Green Paula | officer: SVP of Human Resources | Sell | 1,465 | $46.71 | $68.4K | 125,336 |
| Feb 25, 2026 | Laponis Adam | officer: Chief Financial Officer | Sell | 2,085 | $46.71 | $97.4K | 128,291 |
Showing 1–50 of 382
1 / 8
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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 |
|---|---|---|---|---|---|---|---|
| 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 |
| Jun 1, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 16,470 | $67.91 | $1.12M | 861,860 |
| Jun 1, 2026 | Starovasnik Melissa A. | director | Sell | 2,500 | $68.00 | $170.0K | 22,222 |
| May 28, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 49,299 | $65.19 | $3.21M | 848,137 |
| May 28, 2026 | Starovasnik Melissa A. | director | Sell | 500 | $61.04 | $30.5K | 24,722 |
| May 28, 2026 | WERNER ROBERT F. | officer: Chief Accounting Officer | Sell | 800 | $62.48 | $50.0K | 48,186 |
| May 26, 2026 | Cho Dennis | officer: See Remarks | Sell | 1,642 | $53.26 | $87.4K | 134,299 |
| May 26, 2026 | Green Paula | officer: SVP of Human Resources | Sell | 1,399 | $53.26 | $74.5K | 121,589 |
| May 26, 2026 | WERNER ROBERT F. | officer: Chief Accounting Officer | Sell | 688 | $53.26 | $36.6K | 48,986 |
| May 26, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 6,888 | $53.26 | $366.8K | 846,872 |
| May 26, 2026 | Finn Patrick John | officer: President and COO | Sell | 4,160 | $53.26 | $221.5K | 274,804 |
| May 26, 2026 | Laponis Adam | officer: Chief Financial Officer | Sell | 2,019 | $53.26 | $107.5K | 116,675 |
| May 14, 2026 | JOHANNESSEN JAN | director | Sell | 12,000 | $56.12 | $673.4K | 17,754-40% |
| May 12, 2026 | WERNER ROBERT F. | officer: Chief Accounting Officer | Sell | 4,961 | $56.88 | $282.2K | 49,674 |
| May 6, 2026 | WERNER ROBERT F. | officer: Chief Accounting Officer | Sell | 164 | $57.15 | $9.4K | 54,635 |
| May 6, 2026 | Cho Dennis | officer: See Remarks | Sell | 1,962 | $57.15 | $112.1K | 135,941 |
| May 6, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 5,127 | $57.15 | $293.0K | 853,760 |
| May 6, 2026 | Finn Patrick John | officer: President and COO | Sell | 2,844 | $57.15 | $162.5K | 278,964 |
| May 6, 2026 | Green Paula | officer: SVP of Human Resources | Sell | 1,116 | $57.15 | $63.8K | 122,988 |
| Apr 29, 2026 | Starovasnik Melissa A. | director | Sell | 500 | $61.83 | $30.9K | 25,222 |
| Apr 27, 2026 | Finn Patrick John | officer: President and COO | Sell | 2,321 | $60.76 | $141.0K | 281,808 |
| Apr 23, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 9,671 | $65.24 | $631.0K | 859,038 |
| Apr 21, 2026 | Laponis Adam | officer: Chief Financial Officer | Sell | 4,000 | $60.00 | $240.0K | 118,694 |
| Apr 16, 2026 | Laponis Adam | officer: Chief Financial Officer | Sell | 3,000 | $55.00 | $165.0K | 122,694 |
| Apr 13, 2026 | Laponis Adam | officer: Chief Financial Officer | Sell | 2,597 | $49.89 | $129.6K | 125,694 |
| Apr 3, 2026 | Starovasnik Melissa A. | director | Sell | 1,000 | $51.00 | $51.0K | 25,722 |
| Mar 24, 2026 | Cho Dennis | officer: See Remarks | Sell | 354 | $43.79 | $15.5K | 137,903 |
| Mar 24, 2026 | Green Paula | officer: SVP of Human Resources | Sell | 297 | $43.79 | $13.0K | 124,104 |
| Mar 24, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 1,742 | $43.79 | $76.3K | 858,887 |
| Mar 19, 2026 | CHESS ROBERT | director | Sell | 10,000 | $47.00 | $470.0K | 21,084-32% |
| Mar 10, 2026 | Cho Dennis | officer: See Remarks | Sell | 425 | $46.43 | $19.7K | 138,257 |
| Mar 10, 2026 | Green Paula | officer: SVP of Human Resources | Sell | 935 | $46.43 | $43.4K | 124,401 |
| Mar 10, 2026 | Leproust Emily M. | director, officer: Chief Executive Officer | Sell | 2,423 | $46.43 | $112.5K | 860,629 |
| Mar 10, 2026 | WERNER ROBERT F. | officer: Chief Accounting Officer | Sell | 246 | $46.43 | $11.4K | 54,799 |
| Feb 25, 2026 | Cho Dennis | officer: See Remarks | Sell | 844 | $46.71 | $39.4K | 138,682 |
| Feb 25, 2026 | Finn Patrick John | officer: President and COO | Sell | 4,294 | $46.71 | $200.6K | 284,129 |
| Feb 25, 2026 | Green Paula | officer: SVP of Human Resources | Sell | 1,465 | $46.71 | $68.4K | 125,336 |
| Feb 25, 2026 | Laponis Adam | officer: Chief Financial Officer | Sell | 2,085 | $46.71 | $97.4K | 128,291 |
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