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$TWST All transactions

Twist Bioscience Corp

▼ SELL 10b5-1 Plan

$ Value

$105K

Shares

1,610

Price

$65

Filed

Apr 23

Insider

Name

Leproust Emily M.

Title

Chief Executive Officer

CIK

0001753655

Roles

Director Officer

Transaction Details

Transaction Date

2026-04-21

Code

S

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

858,887

Footnotes

The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person on May 27, 2025. | Represents the weighted average sales price per share. The shares sold at prices ranging from $65.00 to $65.06 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer. | Represents the weighted average sales price per share. The shares sold at prices ranging from $65.00 to $65.87 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer. | Represents the weighted average sales price per share. The shares sold at prices ranging from $66.00 to $66.01 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer. | 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. | 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. | 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.

Filing Info

Accession No.

0001214659-26-005005

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