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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

22
Insider
Date
Role
Action
Shares
Price
Amount
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
Cho Dennis
19 Aug 2026
See Remarks
Sold on a plan
14,205
$129.75
$1.84M
Cho Dennis
5 Aug 2026
See Remarks
Sold on a plan
14,205
$109.75
$1.56M
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
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
Starovasnik Melissa A.
26 May 2026
Director
Sold on a plan
500
$61.04
$30.52K
Starovasnik Melissa A.
27 Apr 2026
Director
Sold on a plan
500
$61.83
$30.92K
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
Starovasnik Melissa A.
1 Apr 2026
Director
Sold on a plan
1,000
$51.00
$51.00K
Laponis Adam
12 Feb 2026
Chief Financial Officer
Sold on a plan
7,000
$50.00
$350.00K
Cho Dennis
11 Feb 2026
See Remarks
Sold on a plan
5,000
$49.93
$249.65K
Laponis Adam
13 Jan 2026
Chief Financial Officer
Sold on a plan
3,000
$40.00
$120.00K
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
Show all 159 transactions →

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