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Twist Bioscience Corp

TWST Net selling
CIK 0001581280 #1014 in the set updated 17 Sep 2026
Bought (12 mo)
$0.00
out of their own pocket, the only kind of buying there is
Sold (12 mo)
$73.79M
$15.64M on a plan · $40.94M straight out of an exercise
Sold at will
$17.21M
106 of 159 sales
Net
−$73.79M
−$17.21M against sales at will

By person

13 insiders · 159 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Leproust Emily M.
Chief Executive Officer
—
$35.53M (37) scheduled
−$35.53M
768,427
1.23%
$94.23M
+54.1%
Finn Patrick John
President and COO
—
$17.48M (29) scheduled
−$17.48M
210,802
0.3362%
$25.85M
+24.6%
Cho Dennis
See Remarks
—
$7.08M (24) scheduled
−$7.08M
73,651
0.1175%
$9.03M
−23.2%
Green Paula
SVP of Human Resources
—
$5.63M (22)
−$5.63M
117,014
0.1866%
$14.35M
+30.7%
Laponis Adam
Chief Financial Officer
—
$2.65M (16) scheduled
−$2.65M
108,633
0.1732%
$13.32M
+43.9%
CHESS ROBERT
Director
—
$2.62M (3) scheduled
−$2.62M
21,084
0.0336%
$2.59M
−2.6%
WERNER ROBERT F.
Chief Accounting Officer
—
$1.29M (20)
−$1.29M
44,399
0.0708%
$5.44M
+14.7%
JOHANNESSEN JAN
Director
—
$953.31K (3) scheduled
−$953.31K
17,754
0.0283%
$2.18M
+1.9%
Starovasnik Melissa A.
Director
—
$282.44K (4) scheduled
−$282.44K
22,222
0.0354%
$2.72M
+29.5%
BLAKE KATRYN
Director
—
$275.25K (1)
−$275.25K
17,208
0.0274%
$2.11M
—
Chan Nelson
Director
—
—
—
33,251
0.0530%
$4.08M
+40.4%
RAGUSA ROBERT P
Director
—
—
—
28,983
0.0462%
$3.55M
+49.3%
CRANDELL KEITH
Director
—
—
—
27,571
0.0440%
$3.38M
+53.1%

Individual transactions

159
Insider
Date
Role
Action
Shares
Price
Amount
WERNER ROBERT F.
8 Sep 2026
Chief Accounting Officer
Sell
238
$122.62
$29.18K
Leproust Emily M.
8 Sep 2026
Chief Executive Officer
Sell
2,302
$122.62
$282.28K
Green Paula
8 Sep 2026
SVP of Human Resources
Sell
907
$122.62
$111.22K
Cho Dennis
8 Sep 2026
See Remarks
Sell
412
$122.62
$50.52K
Leproust Emily M.
25 Aug 2026
Chief Executive Officer
Sold on a plan
1,093
$154.45
$168.81K
Leproust Emily M.
25 Aug 2026
Chief Executive Officer
Sold on a plan
9,181
$153.93
$1.41M
Leproust Emily M.
25 Aug 2026
Chief Executive Officer
Sold on a plan
6,412
$152.75
$979.43K
Leproust Emily M.
25 Aug 2026
Chief Executive Officer
Sold on a plan
12,236
$151.36
$1.85M
Leproust Emily M.
25 Aug 2026
Chief Executive Officer
Sold on a plan
12,648
$150.56
$1.90M
WERNER ROBERT F.
24 Aug 2026
Chief Accounting Officer
Sell
854
$140.77
$120.22K
WERNER ROBERT F.
21 Aug 2026
Chief Accounting Officer
Sell
669
$139.07
$93.04K
Leproust Emily M.
21 Aug 2026
Chief Executive Officer
Sell
6,639
$139.07
$923.26K
Laponis Adam
21 Aug 2026
Chief Financial Officer
Sell
1,965
$139.07
$273.26K
Green Paula
21 Aug 2026
SVP of Human Resources
Sell
1,360
$139.07
$189.13K
Finn Patrick John
21 Aug 2026
President and COO
Sell
4,046
$139.07
$562.66K
Cho Dennis
21 Aug 2026
See Remarks
Sell
1,598
$139.07
$222.23K
Cho Dennis
19 Aug 2026
See Remarks
Sold on a plan
14,205
$129.75
$1.84M
Finn Patrick John
18 Aug 2026
President and COO
Sold after exercise
2,000
$122.58
$245.16K
Finn Patrick John
18 Aug 2026
President and COO
Sold after exercise
6,296
$121.01
$761.86K
Finn Patrick John
18 Aug 2026
President and COO
Sold after exercise
12,917
$119.86
$1.55M
Finn Patrick John
18 Aug 2026
President and COO
Sold after exercise
4,500
$119.04
$535.68K
Finn Patrick John
18 Aug 2026
President and COO
Sold after exercise
8,868
$117.70
$1.04M
Finn Patrick John
18 Aug 2026
President and COO
Sold after exercise
10,420
$116.82
$1.22M
Finn Patrick John
18 Aug 2026
President and COO
Sold after exercise
33,354
$115.90
$3.87M
Leproust Emily M.
12 Aug 2026
Chief Executive Officer
Sold after exercise
19,952
$125.08
$2.50M
BLAKE KATRYN
12 Aug 2026
Director
Sell
2,240
$122.88
$275.25K
Leproust Emily M.
10 Aug 2026
Chief Executive Officer
Sold after exercise
113,318
$125.16
$14.18M
CHESS ROBERT
7 Aug 2026
Director
Sold after exercise
18,417
$110.89
$2.04M
Cho Dennis
5 Aug 2026
See Remarks
Sold on a plan
14,205
$109.75
$1.56M
Cho Dennis
3 Aug 2026
See Remarks
Sell
1,070
$85.32
$91.29K
WERNER ROBERT F.
3 Aug 2026
Chief Accounting Officer
Sell
167
$85.32
$14.25K
Leproust Emily M.
3 Aug 2026
Chief Executive Officer
Sell
5,101
$85.32
$435.22K
Green Paula
3 Aug 2026
SVP of Human Resources
Sell
1,133
$85.32
$96.67K
Finn Patrick John
3 Aug 2026
President and COO
Sell
2,888
$85.32
$246.41K
Finn Patrick John
23 Jul 2026
President and COO
Sell
2,238
$93.89
$210.13K
Laponis Adam
9 Jul 2026
Chief Financial Officer
Sell
2,399
$94.33
$226.31K
Leproust Emily M.
25 Jun 2026
Chief Executive Officer
Sold on a plan
18,880
$95.00
$1.79M
Cho Dennis
24 Jun 2026
See Remarks
Sold on a plan
14,205
$89.75
$1.27M
Leproust Emily M.
22 Jun 2026
Chief Executive Officer
Sell
1,688
$87.32
$147.40K
Cho Dennis
22 Jun 2026
See Remarks
Sell
346
$87.32
$30.21K
Green Paula
22 Jun 2026
SVP of Human Resources
Sell
291
$87.32
$25.41K
Green Paula
15 Jun 2026
SVP of Human Resources
Sold after exercise
2,028
$82.17
$166.63K
Green Paula
15 Jun 2026
SVP of Human Resources
Sold after exercise
24,109
$81.62
$1.97M
WERNER ROBERT F.
8 Jun 2026
Chief Accounting Officer
Sell
1,127
$69.07
$77.84K
WERNER ROBERT F.
8 Jun 2026
Chief Accounting Officer
Sell
232
$69.84
$16.20K
Leproust Emily M.
8 Jun 2026
Chief Executive Officer
Sell
2,265
$69.84
$158.20K
Green Paula
8 Jun 2026
SVP of Human Resources
Sell
884
$69.84
$61.74K
Cho Dennis
8 Jun 2026
See Remarks
Sell
402
$69.84
$28.08K
Laponis Adam
29 May 2026
Chief Financial Officer
Sold on a plan
4,000
$70.00
$280.00K
Cho Dennis
29 May 2026
See Remarks
Sold on a plan
14,205
$69.75
$990.80K
Starovasnik Melissa A.
28 May 2026
Director
Sold on a plan
2,500
$68.00
$170.00K
Leproust Emily M.
28 May 2026
Chief Executive Officer
Sold after exercise
6,465
$68.61
$443.59K
Leproust Emily M.
28 May 2026
Chief Executive Officer
Sold after exercise
7,623
$67.95
$517.99K
Leproust Emily M.
28 May 2026
Chief Executive Officer
Sold after exercise
900
$66.85
$60.16K
Leproust Emily M.
28 May 2026
Chief Executive Officer
Sold after exercise
1,482
$65.33
$96.81K
Leproust Emily M.
27 May 2026
Chief Executive Officer
Sold after exercise
1,265
$66.28
$83.85K
Leproust Emily M.
27 May 2026
Chief Executive Officer
Sold after exercise
23,752
$65.24
$1.55M
WERNER ROBERT F.
26 May 2026
Chief Accounting Officer
Sell
800
$62.48
$49.99K
Leproust Emily M.
26 May 2026
Chief Executive Officer
Sold after exercise
24,282
$65.08
$1.58M
Starovasnik Melissa A.
26 May 2026
Director
Sold on a plan
500
$61.04
$30.52K
Laponis Adam
21 May 2026
Chief Financial Officer
Sell
2,019
$53.26
$107.53K
Leproust Emily M.
21 May 2026
Chief Executive Officer
Sell
6,888
$53.26
$366.83K
WERNER ROBERT F.
21 May 2026
Chief Accounting Officer
Sell
688
$53.26
$36.64K
Cho Dennis
21 May 2026
See Remarks
Sell
1,642
$53.26
$87.45K
Finn Patrick John
21 May 2026
President and COO
Sell
4,160
$53.26
$221.55K
Green Paula
21 May 2026
SVP of Human Resources
Sell
1,399
$53.26
$74.51K
JOHANNESSEN JAN
12 May 2026
Director
Sold after exercise
12,000
$56.12
$673.44K
WERNER ROBERT F.
8 May 2026
Chief Accounting Officer
Sell
4,961
$56.88
$282.19K
WERNER ROBERT F.
4 May 2026
Chief Accounting Officer
Sell
164
$57.15
$9.37K
Green Paula
4 May 2026
SVP of Human Resources
Sell
1,116
$57.15
$63.78K
Finn Patrick John
4 May 2026
President and COO
Sell
2,844
$57.15
$162.53K
Leproust Emily M.
4 May 2026
Chief Executive Officer
Sell
5,127
$57.15
$293.00K
Cho Dennis
4 May 2026
See Remarks
Sell
1,962
$57.15
$112.13K
Starovasnik Melissa A.
27 Apr 2026
Director
Sold on a plan
500
$61.83
$30.92K
Finn Patrick John
23 Apr 2026
President and COO
Sell
2,321
$60.76
$141.03K
Leproust Emily M.
22 Apr 2026
Chief Executive Officer
Sold after exercise
151
$66.00
$9.97K
Leproust Emily M.
22 Apr 2026
Chief Executive Officer
Sold after exercise
7,910
$65.28
$516.33K
Leproust Emily M.
21 Apr 2026
Chief Executive Officer
Sold after exercise
1,610
$65.01
$104.67K
Laponis Adam
17 Apr 2026
Chief Financial Officer
Sold on a plan
4,000
$60.00
$240.00K
Laponis Adam
14 Apr 2026
Chief Financial Officer
Sold on a plan
3,000
$55.00
$165.00K
Laponis Adam
9 Apr 2026
Chief Financial Officer
Sell
2,597
$49.89
$129.56K
Starovasnik Melissa A.
1 Apr 2026
Director
Sold on a plan
1,000
$51.00
$51.00K
Leproust Emily M.
20 Mar 2026
Chief Executive Officer
Sell
1,742
$43.79
$76.28K
Green Paula
20 Mar 2026
SVP of Human Resources
Sell
297
$43.79
$13.00K
Cho Dennis
20 Mar 2026
See Remarks
Sell
354
$43.79
$15.50K
CHESS ROBERT
17 Mar 2026
Director
Sold after exercise
10,000
$47.00
$470.00K
Leproust Emily M.
6 Mar 2026
Chief Executive Officer
Sell
2,423
$46.43
$112.49K
Green Paula
6 Mar 2026
SVP of Human Resources
Sell
935
$46.43
$43.41K
Cho Dennis
6 Mar 2026
See Remarks
Sell
425
$46.43
$19.73K
WERNER ROBERT F.
6 Mar 2026
Chief Accounting Officer
Sell
246
$46.43
$11.42K
Cho Dennis
23 Feb 2026
See Remarks
Sell
844
$46.71
$39.42K
Green Paula
23 Feb 2026
SVP of Human Resources
Sell
1,465
$46.71
$68.43K
Leproust Emily M.
23 Feb 2026
Chief Executive Officer
Sell
7,205
$46.71
$336.54K
Laponis Adam
23 Feb 2026
Chief Financial Officer
Sell
2,085
$46.71
$97.39K
WERNER ROBERT F.
23 Feb 2026
Chief Accounting Officer
Sell
1,693
$46.71
$79.08K
Finn Patrick John
23 Feb 2026
President and COO
Sell
4,294
$46.71
$200.57K
Finn Patrick John
17 Feb 2026
President and COO
Sold after exercise
3,541
$53.11
$188.06K
Finn Patrick John
17 Feb 2026
President and COO
Sold after exercise
26,952
$52.69
$1.42M
Finn Patrick John
17 Feb 2026
President and COO
Sold after exercise
16,616
$51.42
$854.44K
Finn Patrick John
17 Feb 2026
President and COO
Sold after exercise
21,858
$50.32
$1.10M
Green Paula
17 Feb 2026
SVP of Human Resources
Sell
39,404
$52.40
$2.06M
Finn Patrick John
13 Feb 2026
President and COO
Sold after exercise
1,750
$50.04
$87.57K
CHESS ROBERT
13 Feb 2026
Director
Sell
2,184
$48.26
$105.40K
Laponis Adam
12 Feb 2026
Chief Financial Officer
Sold on a plan
7,000
$50.00
$350.00K
Finn Patrick John
12 Feb 2026
President and COO
Sold after exercise
3,500
$50.23
$175.79K
Cho Dennis
11 Feb 2026
See Remarks
Sold on a plan
5,000
$49.93
$249.65K
JOHANNESSEN JAN
6 Feb 2026
Director
Sell
2,200
$47.91
$105.39K
WERNER ROBERT F.
4 Feb 2026
Chief Accounting Officer
Sell
7,000
$45.65
$319.54K
Green Paula
3 Feb 2026
SVP of Human Resources
Sell
1,194
$46.58
$55.61K
WERNER ROBERT F.
3 Feb 2026
Chief Accounting Officer
Sell
175
$46.58
$8.15K
Leproust Emily M.
3 Feb 2026
Chief Executive Officer
Sell
5,001
$46.58
$232.93K
Cho Dennis
3 Feb 2026
See Remarks
Sell
1,099
$46.58
$51.19K
Finn Patrick John
3 Feb 2026
President and COO
Sell
2,705
$46.58
$125.99K
Finn Patrick John
23 Jan 2026
President and COO
Sell
2,390
$44.91
$107.33K
Finn Patrick John
13 Jan 2026
President and COO
Sold after exercise
23,279
$40.00
$931.16K
Laponis Adam
13 Jan 2026
Chief Financial Officer
Sold on a plan
3,000
$40.00
$120.00K
Laponis Adam
9 Jan 2026
Chief Financial Officer
Sell
2,738
$35.26
$96.54K
Leproust Emily M.
22 Dec 2025
Chief Executive Officer
Sell
1,605
$34.56
$55.46K
Cho Dennis
22 Dec 2025
See Remarks
Sell
324
$34.56
$11.20K
Green Paula
22 Dec 2025
SVP of Human Resources
Sell
273
$34.56
$9.43K
WERNER ROBERT F.
8 Dec 2025
Chief Accounting Officer
Sell
230
$32.88
$7.56K
Green Paula
8 Dec 2025
SVP of Human Resources
Sell
877
$32.88
$28.83K
Leproust Emily M.
8 Dec 2025
Chief Executive Officer
Sell
2,255
$32.88
$74.14K
Cho Dennis
8 Dec 2025
See Remarks
Sell
398
$32.88
$13.09K
WERNER ROBERT F.
24 Nov 2025
Chief Accounting Officer
Sell
822
$28.71
$23.60K
WERNER ROBERT F.
21 Nov 2025
Chief Accounting Officer
Sell
229
$26.50
$6.07K
Leproust Emily M.
21 Nov 2025
Chief Executive Officer
Sell
2,663
$26.50
$70.58K
Laponis Adam
21 Nov 2025
Chief Financial Officer
Sell
887
$26.50
$23.51K
Green Paula
21 Nov 2025
SVP of Human Resources
Sell
598
$26.50
$15.85K
Finn Patrick John
21 Nov 2025
President and COO
Sell
1,776
$26.50
$47.07K
Cho Dennis
21 Nov 2025
See Remarks
Sell
757
$26.50
$20.06K
JOHANNESSEN JAN
18 Nov 2025
Director
Sell
7,044
$24.77
$174.48K
WERNER ROBERT F.
3 Nov 2025
Chief Accounting Officer
Sell
160
$32.08
$5.13K
Leproust Emily M.
3 Nov 2025
Chief Executive Officer
Sell
4,887
$32.08
$156.77K
Green Paula
3 Nov 2025
SVP of Human Resources
Sell
1,084
$32.08
$34.77K
Finn Patrick John
3 Nov 2025
President and COO
Sell
2,755
$32.08
$88.38K
Cho Dennis
3 Nov 2025
See Remarks
Sell
1,019
$32.08
$32.69K
WERNER ROBERT F.
30 Oct 2025
Chief Accounting Officer
Sell
1,016
$31.44
$31.95K
Laponis Adam
30 Oct 2025
Chief Financial Officer
Sell
5,517
$31.44
$173.48K
Leproust Emily M.
30 Oct 2025
Chief Executive Officer
Sell
31,379
$31.44
$986.69K
Green Paula
30 Oct 2025
SVP of Human Resources
Sell
6,920
$31.44
$217.59K
Finn Patrick John
30 Oct 2025
President and COO
Sell
17,606
$31.44
$553.61K
Cho Dennis
30 Oct 2025
See Remarks
Sell
6,515
$31.44
$204.86K
Finn Patrick John
23 Oct 2025
President and COO
Sell
2,240
$30.88
$69.16K
Laponis Adam
9 Oct 2025
Chief Financial Officer
Sold on a plan
2,517
$32.92
$82.86K
Laponis Adam
8 Oct 2025
Chief Financial Officer
Sold on a plan
3,000
$31.15
$93.45K
Cho Dennis
6 Oct 2025
See Remarks
Sell
3,876
$32.19
$124.76K
Finn Patrick John
6 Oct 2025
President and COO
Sell
23,747
$32.19
$764.34K
Green Paula
6 Oct 2025
SVP of Human Resources
Sell
9,724
$32.19
$312.99K
WERNER ROBERT F.
6 Oct 2025
Chief Accounting Officer
Sell
2,041
$32.19
$65.69K
Leproust Emily M.
6 Oct 2025
Chief Executive Officer
Sell
31,348
$32.19
$1.01M
Laponis Adam
6 Oct 2025
Chief Financial Officer
Sell
5,875
$32.19
$189.10K
Finn Patrick John
2 Oct 2025
President and COO
Sell
206
$29.16
$6.01K
Leproust Emily M.
2 Oct 2025
Chief Executive Officer
Sell
476
$29.16
$13.88K
Green Paula
2 Oct 2025
SVP of Human Resources
Sell
140
$29.16
$4.08K
Cho Dennis
2 Oct 2025
See Remarks
Sell
124
$29.16
$3.62K
Leproust Emily M.
22 Sep 2025
Chief Executive Officer
Sell
1,704
$27.56
$46.96K
Green Paula
22 Sep 2025
SVP of Human Resources
Sell
295
$27.56
$8.13K
Cho Dennis
22 Sep 2025
See Remarks
Sell
233
$27.56
$6.42K

What was left out

Form 4 filings counted 152
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 22
Sales straight out of an exercise 31
Sales at will 106
Transactions with no price 0
Shares from compensation/vesting 1,054,996
History held since 1 Nov 2018