Serge Saxonov - Dec 28, 2021 Form 4 Insider Report for 10x Genomics, Inc. (TXG)

Role: Chief Executive Officer, Director
Signature: /s/ Eric S. Whitaker, as Attorney-in-Fact
Stock symbol: TXG
Transactions as of: Dec 28, 2021
Transactions value $: $67,636
Form type: 4
Date filed: 12/30/2021, 06:32 PM
Previous filing: Dec 9, 2021
Next filing: Jan 6, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	TXG	Class A Common Stock	Options Exercise	$67.6K	+56.4K	+6.42%	$1.20^*	934K	Dec 28, 2021	Direct
transaction	TXG	Class A Common Stock	Gift	$0	-360	-8%	$0.00	4.14K	Dec 13, 2021	See footnote	F1
holding	TXG	Class A Common Stock						90K	Dec 28, 2021	See footnote	F2

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
transaction	TXG	Stock Option (right to buy)	Options Exercise	$0	-56.4K	-51.76%	$0.00	52.5K	Dec 28, 2021	Class A Common Stock	56.4K	$1.20	Direct	F3

* 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	The shares are held by the Y/S Descendants' Trust, for which the Reporting Person serves as trustee.
F3	This option, originally for 300,000 shares, of which 247,465 have been exercised, vested as to 1/48th of the shares on October 1, 2017, and 1/48th of the shares subject to the option vest each month thereafter, subject to the Reporting Person continuing as a service provider through each such date.