Twist Bioscience Insider Notice: 295 Vested Shares to Be Sold on 09/22/2025

Rhea-AI Filing Summary

Twist Bioscience Corp (TWST) notice of proposed sale reports that 295 common shares will be offered through Fidelity Brokerage Services with an aggregate market value of $8,130.17. The filing states the shares were acquired on 09/19/2025 by restricted stock vesting and were paid as compensation on that date. The filing lists approximately 60,360,925 shares outstanding and an intended sale date of 09/22/2025 on NASDAQ.

The filer also reported four sales of common stock by Paula Green in the prior three months totaling 2,908 shares for gross proceeds of $79,786.04 (sales on 07/02/2025, 08/04/2025, 08/21/2025 and 09/08/2025). Other contact and issuer-identifying fields in the form appear blank or not provided in the content.

Positive

• 295 shares were acquired via restricted stock vesting and are disclosed for sale
• 2,908 shares were sold in the prior three months for aggregate proceeds of $79,786.04, all detailed by date and amount

Negative

• None.

Insights

Securities Analyst

TL;DR: Small executive/insider sale filing: 295 vested shares to be sold, prior 3-month disposals totaled 2,908 shares for ~$79.8k.

The Form 144 documents an insider disposition tied to restricted stock vesting and routine sales over the past three months. The planned sale size (295 shares, $8.1k) is immaterial relative to the issuer's reported 60.36 million shares outstanding, indicating limited dilution or market impact. The prior sales by Paula Green totaling 2,908 shares and roughly $79.8k in proceeds are disclosed transparently, consistent with Rule 144 requirements.

Compliance/Risk Analyst

TL;DR: Filing appears compliant and procedural; key issuer contact and some issuer fields are not present in the provided text.

The notice includes required transaction details: acquisition date, nature (restricted stock vesting), broker name and planned sale date. The signature/remarks section contains the standard representation about material nonpublic information. However, several issuer identification fields (issuer name, SEC file number, issuer address and contact) are not populated in the supplied content, which limits the filing's completeness in this extract though those fields may exist in the full filing.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	295	8130.17	60360925	09/22/2025	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	09/19/2025	Restricted Stock Vesting	Issuer			295	09/19/2025	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Paula Green 681 Gateway Blvd South San Francisco CA 94080	Common	07/02/2025	142	5139.42
Paula Green 681 Gateway Blvd South San Francisco CA 94080	Common	08/04/2025	1255	35596.95
Paula Green 681 Gateway Blvd South San Francisco CA 94080	Common	08/21/2025	619	16071.84
Paula Green 681 Gateway Blvd South San Francisco CA 94080	Common	09/08/2025	892	22977.83

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does TWST Form 144 report about the planned sale?

The filing reports 295 common shares to be sold through Fidelity on or about 09/22/2025, aggregate market value $8,130.17.

How were the shares being sold by the insider acquired?

The 295 shares were acquired on 09/19/2025 via restricted stock vesting and payment was recorded as compensation.

How many shares has Paula Green sold in the past three months per this filing?

Paula Green sold a total of 2,908 shares on 07/02/2025, 08/04/2025, 08/21/2025 and 09/08/2025 for total proceeds of $79,786.04.

What is the issuer's outstanding share count listed in the Form 144?

The form lists 60,360,925 shares outstanding for the issuer.

Which broker is handling the proposed sale?

The broker named is Fidelity Brokerage Services LLC, with an address in Smithfield, RI; the exchange listed is NASDAQ.