Twist Bioscience Corp

TWST Net selling

CIK 0001581280 #1014 in the set updated 17 Sep 2026

Bought (120 mo)

$2.48M

out of their own pocket, the only kind of buying there is

Sold (120 mo)

$285.08M

$15.89M on a plan · $125.33M straight out of an exercise

Sold at will

$143.86M

647 of 985 sales

Net

−$282.60M

−$141.38M against sales at will

By person

25 insiders · 1,016 transactions

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Leproust Emily M.

Chief Executive Officer

—

$107.10M (228)

−$107.10M

768,427

1.23%

$94.23M

+6.7%

Banyai William

See Remark

—

$40.78M (173)

−$40.78M

345,188

0.5505%

$42.33M

−51.3%

Finn Patrick John

President and COO

—

$34.14M (102) scheduled

−$34.14M

210,802

0.3362%

$25.85M

+4,391%

Weiss Patrick

Chief Operating Officer

—

$19.28M (117) scheduled

−$19.28M

47,401

0.0756%

$5.81M

−18.7%

THORBURN JAMES M

Chief Financial Officer

—

$18.06M (62) scheduled

−$18.06M

86,334

0.1377%

$10.59M

+1,849%

Daniels Mark

See Remarks

—

$14.35M (50) scheduled

−$14.35M

66,736

0.1064%

$8.18M

+175.6%

Green Paula

SVP of Human Resources

—

$12.20M (67) scheduled

−$12.20M

117,014

0.1866%

$14.35M

+1,628%

CRANDELL KEITH

Director

$1.05M (2)

$12.57M (5)

−$11.52M

103,618

0.1652%

$12.71M

—

Cho Dennis

See Remarks

$132.00K (1)

$7.95M (62) scheduled

−$7.82M

73,651

0.1175%

$9.03M

+273.5%

CHESS ROBERT

Director

—

$6.07M (23) scheduled

−$6.07M

21,084

0.0336%

$2.59M

−22.8%

Laponis Adam

Chief Financial Officer

—

$3.46M (26)

−$3.46M

108,633

0.1732%

$13.32M

+5,612%

JOHANNESSEN JAN

Director

—

$2.81M (9) scheduled

−$2.81M

17,754

0.0283%

$2.18M

—

WERNER ROBERT F.

Chief Accounting Officer

—

$1.78M (43)

−$1.78M

44,399

0.0708%

$5.44M

—

Peck Bill

Chief Technology Officer

—

$1.63M (8)

−$1.63M

646,112

1.03%

$79.23M

−8.8%

RAGUSA ROBERT P

Director

—

$1.41M (3) scheduled

−$1.41M

1,731,084

2.76%

$212.27M

—

ARCH Venture Partners VIII, LLC entity

10% owner

$1.05M (2)

—

+$1.05M

954,146

1.52%

$117.00M

—

BARTHELEMY NICOLAS

Director

$250.10K (1)

$888.03K (1) scheduled

−$637.94K

23,021

0.0367%

$2.82M

—

Starovasnik Melissa A.

Director

—

$328.26K (5) scheduled

−$328.26K

22,222

0.0354%

$2.72M

—

BLAKE KATRYN

Director

—

$275.25K (1)

−$275.25K

17,208

0.0274%

$2.11M

—

Ever Alpha Fund L.P. entity

10% owner

—

—

—

3,294,961

5.25%

$404.04M

—

CRAVES FRED B

Director

—

—

—

66,771

0.1065%

$8.19M

—

Chan Nelson

Director

—

—

—

33,251

0.0530%

$4.08M

—

Mai Xiaoying

Director

—

—

—

31,057

0.0495%

$3.81M

—

Kunz Martin

SVP, Operations

—

—

—

20,346

0.0324%

$2.49M

—

Yankton Kevin Bruce

Chief Accounting Officer

—

—

—

9,115

0.0145%

$1.12M

+971.1%

Individual transactions

0

Nothing of that kind in this period.

What was left out

Form 4 filings counted 942

Amendments (4/A) skipped 22

Filings about a different issuer 0

Unreadable filings 0

Joint filings 1

Sales on a Rule 10b5-1 plan 23

Sales straight out of an exercise 315

Sales at will 647

Transactions with no price 0

Shares from compensation/vesting 20,093,978

Sales filed before the plan box existed 380

History held since 1 Nov 2018