Serge Saxonov - 12 Sep 2025 Form 4 Insider Report for 10x Genomics, Inc. (TXG)

Role
Chief Executive Officer, Director
Signature
/s/ Eric S. Whitaker, as Attorney-in-Fact for Serge Saxonov
Issuer symbol
TXG
Transactions as of
12 Sep 2025
Net transactions value
$0
Form type
4
Filing time
16 Sep 2025, 16:37:26 UTC
Previous filing
26 Aug 2025
Next filing
25 Nov 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Saxonov Serge Chief Executive Officer, Director 10X GENOMICS, INC., 6230 STONERIDGE MALL ROAD, PLEASANTON /s/ Eric S. Whitaker, as Attorney-in-Fact for Serge Saxonov 16 Sep 2025 0001786720

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction TXG Class A Common Stock Gift $0 -900 -0.09% $0.000000 1,034,817 12 Sep 2025 Direct
holding TXG Class A Common Stock 27 12 Sep 2025 See footnote F1
holding TXG Class A Common Stock 0 12 Sep 2025 See footnote F2, F3
holding TXG Class A Common Stock 213,250 12 Sep 2025 See footnote F4
holding TXG Class A Common Stock 58,000 12 Sep 2025 See footnote F5

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding TXG Class B Common Stock 1,192,040 12 Sep 2025 Class A Common Stock 1,192,040 Direct F6, F7
holding TXG Class B Common Stock 89,825 12 Sep 2025 Class A Common Stock 89,825 See footnote F3, F6
holding TXG Class B Common Stock 1,750,000 12 Sep 2025 Class A Common Stock 1,750,000 See footnote F6, F8
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The shares are held by the Andromeda Trust, for which the Reporting Person serves as trustee.
F2 Reflects transfer of 89,825 shares of Class A Common Stock to the Reporting Person on July 18, 2025.
F3 The shares are held by the Sirius Trust, for which the Reporting Person serves as trustee.
F4 The shares are held by the Y/S Descendants' Trust, for which the Reporting Person serves as trustee.
F5 The shares are held by the Y/S Pot Trust, for which the Reporting Person serves as trustee.
F6 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.
F7 Reflects transfer of 89,825 shares of Class B Common Stock to Sirius Trust on July 18, 2025.
F8 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.