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$TWST All transactions

Twist Bioscience Corp

▼ SELL

$ Value

$76K

Shares

1,742

Price

$44

Filed

Mar 24

Insider

Name

Leproust Emily M.

Title

Chief Executive Officer

CIK

0001753655

Roles

Director Officer

Transaction Details

Transaction Date

2026-03-20

Code

S

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

858,887

Footnotes

Represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of Restricted Stock Units. These sales are mandated by the Issuer's election under its equity incentive plans to require the satisfaction of a tax withholding obligation to be funded by a "sell to cover" transaction and do not represent discretionary trades by the Reporting Person. | The option is immediately exercisable. 25% of the shares subject to the option vested on September 1, 2016 and 1/48th of the shares subject to the option vest on each monthly anniversary thereafter, subject to the Reporting Person's continuous service through each vesting date. | The option is immediately exercisable. 10% of the shares subject to the option vested on September 28, 2017, 15% of the shares subject to the option vested on September 28, 2018, and 1/48th of the shares subject to the option vest on each monthly anniversary thereafter, subject to the Reporting Person's continuous service through each vesting date. | 20% of the shares subject to the option vested and became exercisable on October 31, 2019 and 1/60th of the shares subject to the option vest and become exercisable on each monthly anniversary thereafter, subject to the Reporting Person's continuous service through each vesting date. | 25% of the shares subject to the option vested on October 24, 2020, and 1/48th of the shares subject to the option vest on each monthly anniversary thereafter, subject to the Reporting Person's continuous service through each vesting date. | Represents performance stock options granted to the reporting person on September 1, 2020, that vested and became exercisable on December 19, 2022 as a result of the reporting person having met the applicable performance criteria.

Filing Info

Accession No.

0001214659-26-003721

Form Type

4

Issuer CIK

0001581280

Leproust Emily M.'s History

Date Ticker Type Value
2026-04-22 TWST M $71K
2026-04-22 TWST $516K
2026-04-22 TWST $10K
2026-04-22 TWST M $0
2026-04-21 TWST M $14K
2026-04-21 TWST $105K
2026-04-21 TWST M $0
2026-03-20 TWST $76K
2026-03-06 TWST $112K
2026-02-23 TWST $337K

Other Insiders at TWST (90d)

Insider Bought Sold Last
CRANDELL KEITH 2026-02-05
RAGUSA ROBERT P 2026-02-05
JOHANNESSEN JAN $105K 2026-02-06
CHESS ROBERT $575K 2026-03-17
Chan Nelson 2026-02-05
BLAKE KATRYN 2026-02-05
WERNER ROBERT F.
Chief Accounting Officer
$418K 2026-03-06
Leproust Emily M.
Chief Executive Officer
$1.3M 2026-04-22
Green Paula
SVP of Human Resources
$2.2M 2026-03-20
Finn Patrick John
President and COO
$4.3M 2026-02-23
Laponis Adam
Chief Financial Officer
$982K 2026-04-17
Starovasnik Melissa A. $51K 2026-04-01
Cho Dennis
See Remarks
$375K 2026-03-20