Key facts
- This page summarizes Serge Saxonov's Form 4 filing for 10x Genomics, Inc. (TXG).
- 2 reported transactions and 3 derivative rows are listed below.
- Accepted by SEC: 25 Mar 2026, 17:15.
Serge Saxonov - 23 Mar 2026 Form 4 Insider Report for 10x Genomics, Inc. (TXG)
- Reporting relationship
- Chief Executive Officer, Director
- Issuer ticker
- TXG
- Reported as of
- 23 Mar 2026
- Net transaction value
- -$288,908
- SEC form
- 4
- Accepted by SEC
- 25 Mar 2026, 17:15:13 UTC
- Prior SEC filing
- 04 Mar 2026
- Next SEC filing
- 16 Apr 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Randy Wu, as Attorney-in-Fact for Serge Saxonov
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Serge Saxonov filed Form 4 for 10x Genomics, Inc. (TXG) on 25 Mar 2026.
Change
- Previous filing in this sequence was filed on 04 Mar 2026.
- Current net transaction value: -$288,908.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
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
- 25 Mar 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
- $191,297
- Shares
- -10,000
- Change %
- -0.84%
- Price
- $19.13
- Shares after
- 1,177,273
- Date
- 23 Mar 2026
- Ownership
- Direct
- Footnotes
- F1, F2, F3
TXG
transaction
Class A Common Stock
Sale
- Transaction value
- $97,612
- Shares
- -5,000
- Change %
- -0.42%
- Price
- $19.52
- Shares after
- 1,172,273
- Date
- 24 Mar 2026
- Ownership
- Direct
- Footnotes
- F1, F4
TXG
holding
Class A Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 27
- Date
- 23 Mar 2026
- Ownership
- See footnote
- Footnotes
- F5
TXG
holding
Class A Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 213,250
- Date
- 23 Mar 2026
- Ownership
- See footnote
- Footnotes
- F6
TXG
holding
Class A Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 71,644
- Date
- 23 Mar 2026
- Ownership
- See footnote
- Footnotes
- F3, F7
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
TXG
holding
Derivative
Class B Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 1,100,927
- Date
- 23 Mar 2026
- Ownership
- Direct
- Underlying class
- Class A Common Stock
- Underlying amount
- 1,100,927
- Exercise price
- Footnotes
- F8, F9
TXG
holding
Derivative
Class B Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 180,938
- Date
- 23 Mar 2026
- Ownership
- See footnote
- Underlying class
- Class A Common Stock
- Underlying amount
- 180,938
- Exercise price
- Footnotes
- F8, F9, F10
TXG
holding
Derivative
Class B Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 1,750,000
- Date
- 23 Mar 2026
- Ownership
- See footnote
- Underlying class
- Class A Common Stock
- Underlying amount
- 1,750,000
- Exercise price
- Footnotes
- F8, F11
* 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 11 footnotes
Footnote F1
The transactions reported herein were 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 $18.78 to $19.41, 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
Reflects the transfer by the Reporting Person of 13,644 shares of Class A Common Stock to the Y/S Pot Trust on March 3, 2026.
Footnote F4
This transaction was executed in multiple trades at prices ranging from $19.49 to $19.59, 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
The shares are held by the Andromeda Trust, for which the Reporting Person serves as trustee.
Footnote F6
The shares are held by the Y/S Descendants' Trust, for which the Reporting Person serves as trustee.
Footnote F7
The shares are held by the Y/S Pot Trust, for which the Reporting Person serves as trustee.
Footnote F8
Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Additionally, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon transfer, whether or not for value (subject to certain exceptions) and upon the occurrence of certain other events set forth in the Issuer's Amended and Restated Certificate of Incorporation.
Footnote F9
Reflects the transfer by the Reporting Person of 91,113 shares of Class B Common Stock to the Sirius Trust on March 3, 2026.
Footnote F10
The shares are held by the Sirius Trust, for which the Reporting Person serves as trustee.
Footnote F11
250,000 shares are held by each of Polaris 2018 Irrevocable Trust, Antares 2018 Irrevocable Trust, Arcturus 2018 Irrevocable Trust, FLY 2018 Irrevocable Trust, LY 2018 Irrevocable Trust, MS 2018 Irrevocable Trust and NS 2018 Irrevocable Trust, of which the Reporting Person is the sole trustee.