TWST insider sells 39,404 shares — Form 144

TWST disclosed a Form 144 reporting multiple insider sales by Paula Green.

Rhea-AI Filing Summary

TWST disclosed a Form 144 reporting multiple insider sales by Paula Green. The largest listed sale was 39,404 shares on 02/17/2026 for $2,064,751.13. Other reported dispositions: 1,194 shares on 02/03/2026 ($55,611.15), 1,465 shares on 02/23/2026 ($68,429.85), 935 shares on 03/06/2026 ($43,408.50), and 273 shares on 12/22/2025 ($9,433.79).

The filing also shows 297 restricted shares vesting as compensation on 03/19/2026. All amounts and dates are taken from the disclosed transactions.

FAQ

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

Who sold shares of TWST in this Form 144?

The filing lists Paula Green as the reporting seller. The Form 144 shows multiple transactions across December 2025 and February–March 2026 attributed to Paula Green.

What was the largest sale reported for TWST?

The largest reported disposition was 39,404 shares on 02/17/2026 for $2,064,751.13. This figure is shown directly in the Form 144 transaction list.

Are there any equity grants or vesting events disclosed for TWST?

Yes: the filing shows 297 restricted shares vesting as compensation on 03/19/2026. That vesting entry is listed under 'Securities To Be Sold' with the issuer as the source.

What other sale amounts and dates appear in the filing?

Additional reported sales include 273 shares on 12/22/2025 ($9,433.79), 1,194 shares on 02/03/2026 ($55,611.15), 1,465 shares on 02/23/2026 ($68,429.85), and 935 shares on 03/06/2026 ($43,408.50), as shown in the transaction table.

Does the Form 144 state who received the sale proceeds?

The filing lists the transactions and dollar amounts but does not specify who received the proceeds or the use of proceeds. The table reports share counts, dates, and dollar amounts only.

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

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Accepted by SEC EDGAR 03/20/2026 - 03:37 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	0001753672
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	Green Paula
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

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	297	13004.56	61311704	03/20/2026	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	03/19/2026	Restricted Stock Vesting	Issuer			297	03/19/2026	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	12/22/2025	273	9433.79
Paula Green 681 Gateway Blvd South San Francisco CA 94080	Common	02/03/2026	1194	55611.15
Paula Green 681 Gateway Blvd South San Francisco CA 94080	Common	02/17/2026	39404	2064751.13
Paula Green 681 Gateway Blvd South San Francisco CA 94080	Common	02/23/2026	1465	68429.85
Paula Green 681 Gateway Blvd South San Francisco CA 94080	Common	03/06/2026	935	43408.50

144: Remarks and Signature

Remarks	Sale includes an amount necessary to cover a tax obligation resulting from the settlement of a vested equity award distribution.
Date of Notice	03/20/2026
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/ Gerardo Ibarra-Munoz, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Paula Green
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)