Robert F. Werner - 08 Jun 2026 Form 4 Insider Report for Twist Bioscience Corp (TWST)

Reporting relationship: Chief Accounting Officer
Issuer ticker: TWST
Reported as of: 08 Jun 2026
Net transaction value: -$94,046
SEC form: 4
Accepted by SEC: 10 Jun 2026, 16:05:02 UTC
Prior SEC filing: 28 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Kendra Fox, as Attorney-in-Fact for Robert F. Werner

Key filing fact

Robert F. Werner filed Form 4 for Twist Bioscience Corp (TWST) on 10 Jun 2026.

Key facts

This page summarizes Robert F. Werner's Form 4 filing for Twist Bioscience Corp (TWST).
3 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 10 Jun 2026, 16:05.

Change

Previous filing in this sequence was filed on 28 May 2026.
Current net transaction value: -$94,046.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001590947 Primary reporting owner

WERNER ROBERT F.

Relationship: Chief Accounting Officer
Address: C/O TWIST BIOSCIENCE CORPORATION, 681 GATEWAY BLVD, SOUTH SAN FRANCISCO
Signature: /s/ Kendra Fox, as Attorney-in-Fact for Robert F. Werner
Signature date: 10 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

TWST transaction

Common Stock

Sale

Transaction value: $16,204
Shares: -232
Change %: -0.48%
Price: $69.84
Shares after: 47,954
Date: 08 Jun 2026
Ownership: Direct
Footnotes: F1

TWST transaction

Common Stock

Sale

Transaction value: $77,842
Shares: -1,127
Change %: -2.4%
Price: $69.07
Shares after: 46,827
Date: 08 Jun 2026
Ownership: Direct

TWST transaction

Common Stock

Gift

Transaction value
Shares: -500
Change %: -1.1%
Price: $0.000000^*
Shares after: 46,327
Date: 08 Jun 2026
Ownership: Direct
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

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.

Footnote F2

Represents a bona fide gift of shares to a charitable organization.