Form 144 filed to sell Common Stock

Form 144 filing reports a planned sale of 24,282 shares of Common Stock on 05/26/2026.

Rhea-AI Filing Summary

Form 144 filing reports a planned sale of 24,282 shares of Common Stock on 05/26/2026. The filing lists prior open-market dispositions by Emily M. Leproust during the past three months, including 2,423 shares on 03/06/2026, 8,061 shares on 04/22/2026, and 6,888 shares on 05/21/2026.

Insights

Corporate Governance Analyst

Routine insider resale filing showing multiple recent dispositions.

The excerpt lists a Form 144 for the sale of 24,282 shares dated 05/26/2026 and records several prior sales by Emily M. Leproust in March–May 2026. These items are disclosure of intended and recent dispositions rather than new corporate actions.

Cash treatment is listed as Cash for the planned sale; subsequent filings or trade confirmations would provide execution details. Future SEC filings will show final execution details and any resulting position changes.

Key Figures

Planned sale: 24,282 shares Sale example: 2,423 shares Sale example: 8,061 shares +1 more

4 metrics

Planned sale 24,282 shares to be sold on 05/26/2026

Sale example 2,423 shares sold on 03/06/2026 for $112,490.68

Sale example 8,061 shares sold on 04/22/2026 for $526,289.75

Sale example 6,888 shares sold on 05/21/2026 for $366,831.46

Key Terms

Form 144, Option Granted, Cash

3 terms

Form 144 regulatory

"Form 144 filed to report proposed sale (first line)"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Option Granted financial

"Option Granted - 09/29/2017 appears in securities section"

Cash financial

"Sale method listed as Cash for 05/26/2026"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the TWST Form 144 report?

It reports a proposed sale of 24,282 shares on 05/26/2026. The filing also lists multiple prior dispositions by Emily M. Leproust during March–May 2026, with dates and share counts included.

Who is the reporting person on this Form 144 for TWST?

The filing names Emily M. Leproust as the reporting person. The record shows her address and several recent sales recorded in March, April, and May 2026.

How many shares were sold by the insider in recent trades?

Examples include 2,423 shares on 03/06/2026, 8,061 shares on 04/22/2026, and 6,888 shares on 05/21/2026. Each sale lists the proceeds in dollars in the excerpt.

Does the Form 144 confirm the sale was completed?

No—Form 144 indicates an intended sale and lists recent dispositions. Final execution and settlement details would appear in subsequent trade reports or amended filings if applicable.

What payment method is shown for the planned sale?

The excerpt lists the method as Cash for the planned sale of 24,282 shares on 05/26/2026. The filing does not include further settlement specifics.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/26/2026 - 04:15 PM EDT Learn about SEC filing dates

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	0001753655
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Twist Bioscience Corp
SEC File Number	001-38720
Address of Issuer	681 GATEWAY BLVD. SOUTH SAN FRANCISCO CALIFORNIA 94080
Phone	800-719-0671
Name of Person for Whose Account the Securities are To Be Sold	Leproust Emily M.
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	Officer
Relationship to Issuer	Director

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	24282	1580246.60	62271314	05/26/2026	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	05/26/2026	Option Granted - 09/29/2017	Issuer			24282	05/26/2026	Cash

* 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
Emily M. Leproust 681 Gateway Blvd South San Francisco CA 94080	Common	03/06/2026	2423	112490.68
Emily M. Leproust 681 Gateway Blvd South San Francisco CA 94080	Common	03/20/2026	1742	76275.91
Emily M. Leproust 681 Gateway Blvd South San Francisco CA 94080	Common	04/21/2026	1610	104664.97
Emily M. Leproust 681 Gateway Blvd South San Francisco CA 94080	Common	04/22/2026	8061	526289.75
Emily M. Leproust 681 Gateway Blvd South San Francisco CA 94080	Common	05/04/2026	5127	293001.90
Emily M. Leproust 681 Gateway Blvd South San Francisco CA 94080	Common	05/21/2026	6888	366831.46

144: Remarks and Signature

Remarks
Date of Notice	05/26/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	05/27/2025
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	/s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Emily M. Leproust
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)