Twist Bioscience Insider Plans Minor 292-Share Sale Under Rule 144

Rhea-AI Filing Summary

Form 144 filing for Twist Bioscience Corporation (TWST) discloses a proposed sale of 292 common shares by insider Paula Green through Fidelity Brokerage Services on or about 06/20/2025. The shares have an aggregate market value of $10,440.37, versus 59,916,141 shares outstanding, representing roughly 0.0005% of the float—an immaterial amount for public investors.

During the preceding three months, the same seller completed five sales totaling 3,017 shares for combined gross proceeds of $104,886.82. All shares being sold were acquired via restricted-stock vesting on 06/18/2025 and are being disposed of for compensation purposes. The filer attests that no undisclosed material adverse information is known.

The filing is routine, signals no change to corporate fundamentals, and appears unlikely to influence TWST’s valuation or liquidity.

Insights

Securities Analyst

TL;DR: Minor insider sale (292 shares) vs. 59.9 M float; neutral impact.

This Form 144 shows Paula Green’s intent to sell 292 shares (~$10.4 k). Even combined with the prior 3,017 shares sold since March, the total disposal of 3,309 shares equals about 0.006% of outstanding stock—statistically insignificant. The shares stem from recent restricted-stock vesting, a common liquidity event rather than an indicator of strategic concern. No red flags (e.g., clustered executive selling, large percentages, or adverse disclosures) accompany the notice. I therefore classify the market impact as neutral; most institutional investors will disregard it.

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	292	10440.37	59916141	06/20/2025	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	06/18/2025	Restricted Stock Vesting	Issuer			292	06/18/2025	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	03/20/2025	291	12127.69
Paula Green 681 Gateway Blvd South San Francisco CA 94080	Common	04/02/2025	140	5422.61
Paula Green 681 Gateway Blvd South San Francisco CA 94080	Common	05/05/2025	1101	41453.75
Paula Green 681 Gateway Blvd South San Francisco CA 94080	Common	05/21/2025	632	18800.36
Paula Green 681 Gateway Blvd South San Francisco CA 94080	Common	06/06/2025	853	27082.41

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

How many TWST shares are being sold under this Form 144?

The notice covers 292 common shares of Twist Bioscience.

What is the aggregate market value of the shares to be sold?

The 292 shares are valued at $10,440.37 in total.

Who is the seller in Twist Bioscience’s Form 144 filing?

The seller is Paula Green, whose address is listed in South San Francisco, CA.

When is the planned sale date for the TWST shares?

The approximate sale date provided is 06/20/2025.

What percentage of Twist Bioscience’s outstanding shares does the sale represent?

The 292 shares equal roughly 0.0005% of the 59,916,141 shares outstanding.

Have there been other recent sales by the same insider?

Yes. Over the last three months, the insider sold 3,017 shares for $104,886.82 in gross proceeds.