United States Pharmaceuticals

Twist Bioscience Corp (TWST)

Track

Over the past 90 days, Twist Bioscience Corp insiders have executed 83 transactions, all of which were sales totaling approximately $32.9 million. These divestments occurred alongside a 102.3% increase in stock price. Following the most recent earnings report, which showed a 6% EPS beat, key executives including the CEO and CFO have sold shares.
Ticker: TWST Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Trades
Proposed sale 5 Aug 2026
Value US$4,522,490.25 | Price 125.21 | Shares 58,190
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-08-05 2026-08-05 PrS Proposed sale
3.6
Cho Dennis

Officer

Officer
58,190
125.21
US$4,522,490 		58,190 125.21 US$4,522,490
2026-08-05 2026-08-03 S Sale
2.7
Finn Patrick John

President and COO

Officer
63,147 -42.7%
463.11
US$2,867,218 		63,147 -42.7% 463.11 US$2,867,218
2026-08-05 2026-08-03 S Sale
3.1
Leproust Emily M.

Chief Executive Officer

Executive Director
31,577 +31.7%
67.83
US$3,706,142 		31,577 +31.7% 67.83 US$3,706,142
2026-08-05 2026-08-03 S Sale
3.6
Cho Dennis

See Remarks

Officer
1,000 -1.0%
85.32
US$100,000 		1,000 -1.0% 85.32 US$100,000
2026-08-05 2026-08-03 S Sale
2.3
WERNER ROBERT F.

Chief Accounting Officer

Officer
1,000 -0.4%
85.32
US$100,000 		1,000 -0.4% 85.32 US$100,000
2026-08-05 2026-08-03 S Sale
2.4
Green Paula

SVP of Human Resources

Officer
1,000 -0.9%
85.32
US$100,000 		1,000 -0.9% 85.32 US$100,000
2026-08-03 2026-08-03 PrS Proposed sale
3.1
Leproust Emily M.

Officer; Director

Executive Director
1,000
85.32
US$100,000 		1,000 85.32 US$100,000
2026-08-03 2026-08-03 PrS Proposed sale
2.4
Green Paula

Officer

Officer
1,000
85.32
US$100,000 		1,000 85.32 US$100,000
2026-08-03 2026-08-03 PrS Proposed sale
3.6
Cho Dennis

Officer

Officer
1,000
85.32
US$100,000 		1,000 85.32 US$100,000
2026-08-03 2026-08-03 PrS Proposed sale
2.7
Finn Patrick John

Officer

Officer
1,000
85.32
US$100,000 		1,000 85.32 US$100,000
2026-08-03 2026-08-03 PrS Proposed sale
2.3
WERNER ROBERT F.

Officer

Officer
1,000
85.32
US$100,000 		1,000 85.32 US$100,000
2026-07-27 2026-07-23 S Sale
2.7
Finn Patrick John

President and COO

Officer
1,000 -0.8%
93.89
US$100,000 		1,000 -0.8% 93.89 US$100,000
2026-07-23 2026-07-23 PrS Proposed sale
2.7
Finn Patrick John

Officer

Officer
1,000
93.89
US$100,000 		1,000 93.89 US$100,000
2026-07-13 2026-07-09 S Sale
2.5
Laponis Adam

Chief Financial Officer

Officer
2,399 -2.1%
94.33
US$226,307 		2,399 -2.1% 94.33 US$226,307
2026-07-09 2026-07-09 PrS Proposed sale
2.5
Laponis Adam

Officer

Officer
2,399
94.33
US$226,306 		2,399 94.33 US$226,306
2026-06-26 2026-06-25 PlS Planned sale
3.1
Leproust Emily M.

Chief Executive Officer

Executive Director
18,880 -2.2%
95.00
US$1,793,600 		18,880 -2.2% 95.00 US$1,793,600
2026-06-25 2026-06-25 PrS Proposed sale
3.1
Leproust Emily M.

Officer; Director

Executive Director
18,880
95.00
US$1,793,600 		18,880 95.00 US$1,793,600
2026-06-26 2026-06-24 PlS Planned sale
3.6
Cho Dennis

See Remarks

Officer
14,205 -11.9%
89.75
US$1,274,899 		14,205 -11.9% 89.75 US$1,274,899
2026-06-24 2026-06-24 PrS Proposed sale
3.6
Cho Dennis

Officer

Officer
14,205
89.75
US$1,274,899 		14,205 89.75 US$1,274,899
2026-06-24 2026-06-22 S Sale
2.4
Green Paula

SVP of Human Resources

Officer
291 -0.2%
87.32
US$25,411 		291 -0.2% 87.32 US$25,411
2026-06-24 2026-06-22 S Sale
3.6
Cho Dennis

See Remarks

Officer
346 -0.3%
87.32
US$30,214 		346 -0.3% 87.32 US$30,214
2026-06-24 2026-06-22 S Sale
3.1
Leproust Emily M.

Chief Executive Officer

Executive Director
1,688 -0.2%
87.32
US$147,400 		1,688 -0.2% 87.32 US$147,400
2026-06-22 2026-06-22 PrS Proposed sale
3.1
Leproust Emily M.

Officer; Director

Executive Director
1,688
87.32
US$147,400 		1,688 87.32 US$147,400
2026-06-22 2026-06-22 PrS Proposed sale
3.1
Leproust Emily M.

Officer; Director

Executive Director
1,688
87.32
US$147,400 		1,688 87.32 US$147,400
2026-06-22 2026-06-22 PrS Proposed sale
2.4
Green Paula

Officer

Officer
291
87.32
US$25,411 		291 87.32 US$25,411
2026-06-22 2026-06-22 PrS Proposed sale
2.4
Green Paula

Officer

Officer
291
87.32
US$25,411 		291 87.32 US$25,411
2026-06-22 2026-06-22 PrS Proposed sale
3.6
Cho Dennis

Officer

Officer
346
87.32
US$30,214 		346 87.32 US$30,214
2026-06-17 2026-06-15 S Sale
2.4
Green Paula

SVP of Human Resources

Officer
2,028 -1.7%
82.17
US$166,632 		2,028 -1.7% 82.17 US$166,632
2026-06-17 2026-06-15 S Sale
2.4
Green Paula

SVP of Human Resources

Officer
24,109 -16.4%
81.62
US$1,967,856 		24,109 -16.4% 81.62 US$1,967,856
2026-06-15 2026-06-15 PrS Proposed sale
2.4
Green Paula

Officer

Officer
26,137
81.67
US$2,134,487 		26,137 81.67 US$2,134,487
2026-06-10 2026-06-08 S Sale
2.3
WERNER ROBERT F.

Chief Accounting Officer

Officer
1,127 -2.4%
69.07
US$77,842 		1,127 -2.4% 69.07 US$77,842
2026-06-10 2026-06-08 S Sale
3.1
Leproust Emily M.

Chief Executive Officer

Executive Director
2,265 -0.3%
69.84
US$158,197 		2,265 -0.3% 69.84 US$158,197
2026-06-10 2026-06-08 S Sale
2.3
WERNER ROBERT F.

Chief Accounting Officer

Officer
1,127 -2.4%
69.07
US$77,842 		1,127 -2.4% 69.07 US$77,842
2026-06-10 2026-06-08 S Sale
2.3
WERNER ROBERT F.

Chief Accounting Officer

Officer
232 -0.5%
69.84
US$16,204 		232 -0.5% 69.84 US$16,204
2026-06-10 2026-06-08 S Sale
2.4
Green Paula

SVP of Human Resources

Officer
884 -0.7%
69.84
US$61,742 		884 -0.7% 69.84 US$61,742
2026-06-10 2026-06-08 S Sale
3.6
Cho Dennis

See Remarks

Officer
402 -0.3%
69.84
US$28,077 		402 -0.3% 69.84 US$28,077
2026-06-08 2026-06-08 PrS Proposed sale
2.3
WERNER ROBERT F.

Officer

Officer
1,127
69.07
US$77,842 		1,127 69.07 US$77,842
2026-06-08 2026-06-08 PrS Proposed sale
3.6
Cho Dennis

Officer

Officer
402
69.84
US$28,077 		402 69.84 US$28,077
2026-06-08 2026-06-08 PrS Proposed sale
2.3
WERNER ROBERT F.

Officer

Officer
232
69.84
US$16,204 		232 69.84 US$16,204
2026-06-08 2026-06-08 PrS Proposed sale
2.3
WERNER ROBERT F.

Officer

Officer
232
69.84
US$16,204 		232 69.84 US$16,204
2026-06-08 2026-06-08 PrS Proposed sale
3.1
Leproust Emily M.

Officer; Director

Executive Director
2,265
69.84
US$158,197 		2,265 69.84 US$158,197
2026-06-08 2026-06-08 PrS Proposed sale
3.1
Leproust Emily M.

Officer; Director

Executive Director
2,265
69.84
US$158,197 		2,265 69.84 US$158,197
2026-06-08 2026-06-08 PrS Proposed sale
2.4
Green Paula

Officer

Officer
884
69.84
US$61,742 		884 69.84 US$61,742
2026-06-02 2026-05-29 PlS Planned sale
2.5
Laponis Adam

Chief Financial Officer

Officer
4,000 -3.4%
70.00
US$280,000 		4,000 -3.4% 70.00 US$280,000
2026-06-02 2026-05-29 PlS Planned sale
2.5
Laponis Adam

Chief Financial Officer

Officer
4,000 -3.4%
70.00
US$280,000 		4,000 -3.4% 70.00 US$280,000
2026-06-02 2026-05-29 PlS Planned sale
3.6
Cho Dennis

See Remarks

Officer
14,205 -10.6%
69.75
US$990,799 		14,205 -10.6% 69.75 US$990,799
2026-06-02 2026-05-29 PlS Planned sale
3.6
Cho Dennis

See Remarks

Officer
14,205 -10.6%
69.75
US$990,799 		14,205 -10.6% 69.75 US$990,799
2026-05-29 2026-05-29 PrS Proposed sale
3.6
Cho Dennis

Officer

Officer
14,205
69.75
US$990,799 		14,205 69.75 US$990,799
2026-05-29 2026-05-29 PrS Proposed sale
2.5
Laponis Adam

Officer

Officer
4,000
70.00
US$280,000 		4,000 70.00 US$280,000
2026-06-01 2026-05-28 PlS Planned sale
3.3
Starovasnik Melissa A.
Non-Executive Director
2,500 -10.1%
68.00
US$170,000 		2,500 -10.1% 68.00 US$170,000
2026-06-01 2026-05-28 PlS Planned sale
3.1
Leproust Emily M.

Chief Executive Officer

Executive Director
6,465 -0.8%
68.61
US$443,590 		6,465 -0.8% 68.61 US$443,590
2026-06-01 2026-05-28 PlS Planned sale
3.1
Leproust Emily M.

Chief Executive Officer

Executive Director
7,623 -0.9%
67.95
US$517,989 		7,623 -0.9% 67.95 US$517,989
2026-06-01 2026-05-28 PlS Planned sale
3.1
Leproust Emily M.

Chief Executive Officer

Executive Director
900 -0.1%
66.85
US$60,163 		900 -0.1% 66.85 US$60,163
2026-06-01 2026-05-28 PlS Planned sale
3.1
Leproust Emily M.

Chief Executive Officer

Executive Director
1,482 -0.2%
65.33
US$96,813 		1,482 -0.2% 65.33 US$96,813
2026-05-28 2026-05-28 PrS Proposed sale
3.1
Leproust Emily M.

Officer; Director

Executive Director
16,470
67.91
US$1,118,555 		16,470 67.91 US$1,118,555
2026-05-28 2026-05-28 PrS Proposed sale
3.3
Starovasnik Melissa A.

Director

Non-Executive Director
2,500
68.00
US$170,000 		2,500 68.00 US$170,000
2026-05-28 2026-05-27 PlS Planned sale
3.1
Leproust Emily M.

Chief Executive Officer

Executive Director
1,265 -0.1%
66.28
US$83,846 		1,265 -0.1% 66.28 US$83,846
2026-05-28 2026-05-27 PlS Planned sale
3.1
Leproust Emily M.

Chief Executive Officer

Executive Director
23,752 -2.7%
65.24
US$1,549,561 		23,752 -2.7% 65.24 US$1,549,561
2026-05-27 2026-05-27 PrS Proposed sale
3.1
Leproust Emily M.

Officer; Director

Executive Director
25,017
65.29
US$1,633,407 		25,017 65.29 US$1,633,407
2026-05-28 2026-05-26 PlS Planned sale
3.3
Starovasnik Melissa A.
Non-Executive Director
500 -2.0%
61.04
US$30,520 		500 -2.0% 61.04 US$30,520
2026-05-28 2026-05-26 PlS Planned sale
3.1
Leproust Emily M.

Chief Executive Officer

Executive Director
24,282 -2.8%
65.08
US$1,580,246 		24,282 -2.8% 65.08 US$1,580,246
2026-05-28 2026-05-26 S Sale
2.3
WERNER ROBERT F.

Chief Accounting Officer

Officer
800 -1.6%
62.48
US$49,987 		800 -1.6% 62.48 US$49,987
2026-05-26 2026-05-26 PrS Proposed sale
3.1
Leproust Emily M.

Officer; Director

Executive Director
24,282
65.08
US$1,580,247 		24,282 65.08 US$1,580,247
2026-05-26 2026-05-26 PrS Proposed sale
2.3
WERNER ROBERT F.

Officer

Officer
800
62.48
US$49,987 		800 62.48 US$49,987
2026-05-26 2026-05-26 PrS Proposed sale
3.3
Starovasnik Melissa A.

Director

Non-Executive Director
500
61.04
US$30,520 		500 61.04 US$30,520
2026-05-26 2026-05-21 S Sale
2.5
Laponis Adam

Chief Financial Officer

Officer
2,019 -1.7%
53.26
US$107,526 		2,019 -1.7% 53.26 US$107,526
2026-05-26 2026-05-21 S Sale
2.7
Finn Patrick John

President and COO

Officer
4,160 -1.5%
53.26
US$221,549 		4,160 -1.5% 53.26 US$221,549
2026-05-26 2026-05-21 S Sale
2.3
WERNER ROBERT F.

Chief Accounting Officer

Officer
688 -1.4%
53.26
US$36,641 		688 -1.4% 53.26 US$36,641
2026-05-26 2026-05-21 S Sale
2.4
Green Paula

SVP of Human Resources

Officer
1,399 -1.1%
53.26
US$74,507 		1,399 -1.1% 53.26 US$74,507
2026-05-26 2026-05-21 S Sale
3.6
Cho Dennis

See Remarks

Officer
1,642 -1.2%
53.26
US$87,448 		1,642 -1.2% 53.26 US$87,448
2026-05-26 2026-05-21 S Sale
3.1
Leproust Emily M.

Chief Executive Officer

Executive Director
6,888 -0.8%
53.26
US$366,834 		6,888 -0.8% 53.26 US$366,834
2026-05-21 2026-05-21 PrS Proposed sale
2.3
WERNER ROBERT F.

Officer

Officer
688
53.26
US$36,641 		688 53.26 US$36,641
2026-05-21 2026-05-21 PrS Proposed sale
2.3
WERNER ROBERT F.

Officer

Officer
688
53.26
US$36,641 		688 53.26 US$36,641
2026-05-21 2026-05-21 PrS Proposed sale
3.6
Cho Dennis

Officer

Officer
1,642
53.26
US$87,447 		1,642 53.26 US$87,447
2026-05-21 2026-05-21 PrS Proposed sale
2.5
Laponis Adam

Officer

Officer
2,019
53.26
US$107,525 		2,019 53.26 US$107,525
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