TWST (NASDAQ: TWST) insider Patrick Finn plans sale of common shares

Rhea-AI Filing Summary

An affiliate of TWST has filed a Form 144 notice for a proposed sale of 23,279 shares of common stock through Fidelity Brokerage Services LLC, to be sold on NASDAQ around 01/13/2026. The filing lists an aggregate market value of $931,160.00 and notes that 61,148,026 shares of this class were outstanding.

The shares to be sold were acquired mainly through restricted stock vesting, an employee stock purchase plan, and an option granted on 09/29/2017, with acquisition and payment dates between 02/18/2022 and 02/20/2025. The notice also reports that Patrick Finn sold additional common shares over the prior three months on dates including 10/23/2025 and 10/30/2025, with individual transactions such as 2,240 shares for $69,159.78 and 17,606 shares for $553,608.35.

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	23279	931160.00	61148026	01/13/2026	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	02/18/2022	Restricted Stock Vesting	Issuer			159	02/18/2022	Compensation
Common	07/24/2022	Restricted Stock Vesting	Issuer			274	07/24/2022	Compensation
Common	10/01/2024	Restricted Stock Vesting	Issuer			5847	10/01/2024	Compensation
Common	10/22/2024	Restricted Stock Vesting	Issuer			1871	10/22/2024	Compensation
Common	11/08/2024	Restricted Stock Vesting	Issuer			4630	11/08/2024	Compensation
Common	11/08/2024	ESPP Purchase	Issuer			5174	11/08/2024	Cash
Common	11/05/2024	Restricted Stock Vesting	Issuer			823	11/05/2024	Compensation
Common	01/13/2026	Option Granted 09/29/2017	Issuer			3279	01/13/2026	Cash
Common	02/20/2025	Restricted Stock Vesting	Issuer			1222	02/20/2025	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
Patrick Finn 681 Gateway Blvd South San Francisco CA 94080	Common	10/23/2025	2240	69159.78
Patrick Finn 681 Gateway Blvd South San Francisco CA 94080	Common	10/30/2025	17606	553608.35
Patrick Finn 681 Gateway Blvd South San Francisco CA 94080	Common	11/03/2025	2755	88378.75
Patrick Finn 681 Gateway Blvd South San Francisco CA 94080	Common	11/21/2025	1776	47070.22

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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 the TWST Form 144 filing by Patrick Finn disclose?

The Form 144 notice discloses a proposed sale of 23,279 shares of TWST common stock with an aggregate market value of $931,160.00, to be executed through Fidelity Brokerage Services LLC on NASDAQ.

How many TWST shares are planned to be sold and when?

The filing states that 23,279 common shares are proposed to be sold, with an approximate date of sale of 01/13/2026 on NASDAQ.

Through which broker and exchange will the TWST shares be sold?

The proposed sale will be executed through Fidelity Brokerage Services LLC, 900 Salem Street, Smithfield, RI 02917, and the shares are to be sold on the NASDAQ exchange.

How were the TWST shares in the Form 144 acquired?

The shares listed for sale were acquired via restricted stock vesting, an employee stock purchase plan (ESPP) purchase, and an option granted on 09/29/2017, with acquisition dates between 02/18/2022 and 02/20/2025.

How many TWST shares has Patrick Finn sold in the past three months?

The notice lists several prior sales by Patrick Finn, including 2,240 shares for $69,159.78 on 10/23/2025, 17,606 shares for $553,608.35 on 10/30/2025, 2,755 shares for $88,378.75 on 11/03/2025, and 1,776 shares for $47,070.22 on 11/21/2025.

How many TWST common shares are outstanding according to this notice?

The Form 144 states that the number of shares or other units outstanding for this class of common stock is 61,148,026 shares.