TXG files Form 144 to sell 25,784 RSU shares

TXG files a Form 144 disclosing an intended sale of 25,784 shares of Common Stock tied to a Restricted Stock Unit Grant dated 02/21/2026.

Rhea-AI Filing Summary

TXG files a Form 144 disclosing an intended sale of 25,784 shares of Common Stock tied to a Restricted Stock Unit Grant dated 02/21/2026. The notice also reports an earlier sale of 13,261 shares on 11/24/2025 for $251,936.46.

Insights

Securities Counsel

Rule 144 sale notice for restricted stock units and a prior open-market sale.

The filing lists an intended sale of 25,784 shares associated with a Restricted Stock Unit Grant dated 02/21/2026. It also reports a prior sale of 13,261 shares on 11/24/2025 for $251,936.46.

Timing and buyer identity are not disclosed in the excerpt; cash-flow treatment and whether the sale relies on volume or holding-period conditions under Rule 144 are not described in the provided content. Subsequent filings or broker confirmations may state completion details.

FAQ

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

What does the TXG Form 144 disclose about shares to be sold?

The filing discloses an intended sale of 25,784 shares of Common Stock tied to a Restricted Stock Unit Grant dated 02/21/2026. It identifies the shares as issued for services rendered on that date.

Who is the broker handling the TXG sale reported on the Form 144?

The broker listed is Morgan Stanley Smith Barney LLC at the Sandy, UT address. The Form 144 names that broker in the securities-to-be-sold section dated 02/21/2026.

Did the filing report any recent sales prior to the intended sale for TXG?

Yes, it reports a prior sale by Serge Saxonov of 13,261 shares on 11/24/2025 for $251,936.46, shown in the "Securities Sold During The Past 3 Months" section.

Are the TXG shares being sold from an RSU grant or existing holdings?

The intended 25,784 shares are tied to a Restricted Stock Unit Grant dated 02/21/2026 and listed under "Securities To Be Sold" with "Services Rendered" noted as the grant reason.

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

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Accepted by SEC EDGAR 02/23/2026 - 05:15 PM EST 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	0001786720
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	10x Genomics, Inc.
SEC File Number	001-39035
Address of Issuer	6230 STONERIDGE MALL ROAD PLEASANTON CALIFORNIA 94588
Phone	(925) 401-7300
Name of Person for Whose Account the Securities are To Be Sold	Saxonov Serge
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 Stock	Morgan Stanley Smith Barney LLC Executive Services 200 W Civic Center Dr., 4th Floor Sandy UT 84070	10129	194375.51	117673382	02/23/2026	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 Stock	02/21/2026	Restricted Stock Unit Grant	Issuer			25784	02/21/2026	Services Rendered

* 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
Serge Saxonov 6230 Stoneridge Mail Road Pleasanton CA 94588	Common Stock	11/24/2025	13261	251936.46

144: Remarks and Signature

Remarks
Date of Notice	02/23/2026
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	Eric S. Whitaker, as Attorney-in-Fact for Serge Saxonov
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)