TWST Form 144: Insider Sales and Vesting Dates

TWST filed a Form 144 reporting proposed and recent dispositions of Common Stock by an affiliated party.

Rhea-AI Filing Summary

TWST filed a Form 144 reporting proposed and recent dispositions of Common Stock by an affiliated party. The filing lists scheduled restricted stock vesting events on 07/08/2025, 08/20/2025, and 05/20/2026 totaling 4,000 shares in one line item and additional individual grants of 1,716; 592; and 1,692 shares. The filing also reports four recent sales by Adam Laponis: 2,597 shares on 04/09/2026, 3,000 shares on 04/14/2026, 4,000 shares on 04/17/2026, and 2,019 shares on 05/21/2026, with dollar amounts shown for each transaction.

Insights

Securities Compliance Counsel

Form 144 notifies the market of proposed sales and recent dispositions of restricted and vested common stock.

The filing lists scheduled Restricted Stock Vesting events on 07/08/2025, 08/20/2025, and 05/20/2026 and shows recent open-market sales by an individual reporting person on specific dates with per-transaction proceeds. These are routine disclosure requirements under the securities rules.

Timing and cash-flow treatment for any future sales are not specified in the excerpt; subsequent filings would show whether vested shares are offered for resale. The listed sale dates and amounts are the primary items to verify in transaction records.

Key Figures

Scheduled vesting (aggregate line): 4,000 shares Restricted stock vesting — 07/08/2025: 1,716 shares Restricted stock vesting — 08/20/2025: 592 shares +3 more

6 metrics

Scheduled vesting (aggregate line) 4,000 shares listed on line with date 05/29/2026 and NASDAQ context

Restricted stock vesting — 07/08/2025 1,716 shares Restricted Stock Vesting on <date>07/08/2025</date>

Restricted stock vesting — 08/20/2025 592 shares Restricted Stock Vesting on <date>08/20/2025</date>

Restricted stock vesting — 05/20/2026 1,692 shares Restricted Stock Vesting on <date>05/20/2026</date

Sale on 04/17/2026 4,000 shares Proceeds $240,000.00 reported for that sale

Total recent sales (sum of listed transactions) 11,616 shares Aggregate of 2,597; 3,000; 4,000; 2,019 shares sold on listed dates

Key Terms

Form 144, Restricted Stock Vesting, Filer/Reporting Person

3 terms

Form 144 regulatory

"Form 144 reporting proposed sale of securities and recent dispositions"

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.

Restricted Stock Vesting financial

"Restricted Stock Vesting entries dated 07/08/2025, 08/20/2025, 05/20/2026"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Filer/Reporting Person regulatory

"Entries naming Adam Laponis with address and reported transactions"

FAQ

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

What does TWST's Form 144 disclose about insider sales?

The Form 144 discloses recent open-market sales by Adam Laponis totaling 11,616 shares across four transactions on 04/09/2026, 04/14/2026, 04/17/2026, and 05/21/2026. Each sale lists the shares and proceeds in dollars.

Which restricted stock vesting dates are listed in the Form 144 for TWST?

The filing lists restricted stock vesting events dated 07/08/2025, 08/20/2025, and 05/20/2026

How much cash was reported from the April 17, 2026 sale?

The April 17, 2026 sale by Adam Laponis shows 4,000 shares with proceeds of $240,000.00 as listed in the filing excerpt for that transaction.

Does the Form 144 indicate who receives proceeds from future sales?

The excerpt lists the reporter/holder as the source of proposed sales but does not specify the recipient party for future proceeds; the filing shows the reporting person and planned vesting events without a proceeds recipient label.

What is the role of Form 144 in equity transactions for TWST?

Form 144 serves as a notice of proposed sales by affiliates or control persons; the excerpt lists specific share counts, vesting dates, and recent sales, satisfying disclosure obligations before certain resale transactions.

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

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Accepted by SEC EDGAR 05/29/2026 - 01:49 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	0001827198
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	Laponis Adam
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	4000	280000.00	62271314	05/29/2026	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	07/08/2025	Restricted Stock Vesting	Issuer			1716	07/08/2025	Compensation
Common	08/20/2025	Restricted Stock Vesting	Issuer			592	08/20/2025	Compensation
Common	05/20/2026	Restricted Stock Vesting	Issuer			1692	05/20/2026	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
Adam Laponis 681 Gateway Blvd South San Francisco CA 94080	Common	04/09/2026	2597	129561.48
Adam Laponis 681 Gateway Blvd South San Francisco CA 94080	Common	04/14/2026	3000	165000.00
Adam Laponis 681 Gateway Blvd South San Francisco CA 94080	Common	04/17/2026	4000	240000.00
Adam Laponis 681 Gateway Blvd South San Francisco CA 94080	Common	05/21/2026	2019	107525.08

144: Remarks and Signature

Remarks
Date of Notice	05/29/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	05/08/2025
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/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Adam Laponis
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)