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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

31
Insider
Date
Role
Action
Shares
Price
Amount
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
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
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
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
Leproust Emily M.
26 May 2026
Chief Executive Officer
Sold after exercise
24,282
$65.08
$1.58M
JOHANNESSEN JAN
12 May 2026
Director
Sold after exercise
12,000
$56.12
$673.44K
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
CHESS ROBERT
17 Mar 2026
Director
Sold after exercise
10,000
$47.00
$470.00K
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
Finn Patrick John
13 Feb 2026
President and COO
Sold after exercise
1,750
$50.04
$87.57K
Finn Patrick John
12 Feb 2026
President and COO
Sold after exercise
3,500
$50.23
$175.79K
Finn Patrick John
13 Jan 2026
President and COO
Sold after exercise
23,279
$40.00
$931.16K
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