Serge Saxonov - 22 Sep 2026 Form 4 Insider Report for 10x Genomics, Inc. (TXG)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: TXG
Reported as of: 22 Sep 2026
Net transaction value: -$2,030,562
SEC form: 4
Accepted by SEC: 24 Sep 2026, 16:29:44 UTC
Prior SEC filing: 03 Sep 2026
Source filing: View source filing
Reporting owner signature: /s/ Randy Wu, as Attorney-in-Fact for Serge Saxonov

Key filing fact

Serge Saxonov filed Form 4 for 10x Genomics, Inc. (TXG) on 24 Sep 2026.

Key facts

This page summarizes Serge Saxonov's Form 4 filing for 10x Genomics, Inc. (TXG).
5 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 24 Sep 2026, 16:29.

Change

Previous filing in this sequence was filed on 03 Sep 2026.
Current net transaction value: -$2,030,562.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001786720 Primary reporting owner

Saxonov Serge

Relationship: Chief Executive Officer, Director
Address: 10X GENOMICS, INC., 6230 STONERIDGE MALL ROAD, PLEASANTON
Signature: /s/ Randy Wu, as Attorney-in-Fact for Serge Saxonov
Signature date: 24 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

TXG transaction

Class A Common Stock

Sale

Transaction value: $78,228
Shares: -1,000
Change %: -0.09%
Price: $78.23
Shares after: 1,074,249
Date: 22 Sep 2026
Ownership: Direct
Footnotes: F1, F2

TXG transaction

Class A Common Stock

Sale

Transaction value: $159,239
Shares: -2,000
Change %: -0.19%
Price: $79.62
Shares after: 1,072,249
Date: 22 Sep 2026
Ownership: Direct
Footnotes: F1, F3

TXG transaction

Class A Common Stock

Sale

Transaction value: $752,401
Shares: -9,300
Change %: -0.87%
Price: $80.90
Shares after: 1,062,949
Date: 22 Sep 2026
Ownership: Direct
Footnotes: F1, F4

TXG transaction

Class A Common Stock

Sale

Transaction value: $810,071
Shares: -9,900
Change %: -0.93%
Price: $81.83
Shares after: 1,053,049
Date: 22 Sep 2026
Ownership: Direct
Footnotes: F1, F5

TXG transaction

Class A Common Stock

Sale

Transaction value: $230,622
Shares: -2,800
Change %: -0.27%
Price: $82.36
Shares after: 1,050,249
Date: 22 Sep 2026
Ownership: Direct
Footnotes: F1, F6

TXG holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 27
Date: 22 Sep 2026
Ownership: See footnote
Footnotes: F7

TXG holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 213,250
Date: 22 Sep 2026
Ownership: See footnote
Footnotes: F8

TXG holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 71,644
Date: 22 Sep 2026
Ownership: See footnote
Footnotes: F9

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 9 footnotes

Footnote F1

The transaction reported herein was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan, adopted on November 29, 2025.

Footnote F2

This transaction was executed in multiple trades at prices ranging from $77.75 to $78.73, inclusive. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

Footnote F3

This transaction was executed in multiple trades at prices ranging from $79.11 to $80.07, inclusive. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

Footnote F4

This transaction was executed in multiple trades at prices ranging from $80.28 to $81.27, inclusive. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

Footnote F5

This transaction was executed in multiple trades at prices ranging from $81.28 to $82.25 inclusive. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

Footnote F6

This transaction was executed in multiple trades at prices ranging from $82.28 to $82.53, inclusive. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price.

Footnote F7

The shares are held by the Andromeda Trust, for which the Reporting Person serves as trustee.

Footnote F8

The shares are held by the Y/S Descendants' Trust, for which the Reporting Person serves as trustee.

Footnote F9

The shares are held by the Y/S Pot Trust, for which the Reporting Person serves as trustee.