# EDGAR Filing Document

**Accession Number:** 0001495384
**File Stem:** 0001104659-23-021530
**Filing Date:** 2023-2
**Character Count:** 22644
**Document Hash:** 36fd87d15d0ec3452fa71c2bc8af553f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-23-021530.hdr.sgml**: 20230214

**ACCESSION NUMBER**: 0001104659-23-021530

**CONFORMED SUBMISSION TYPE**: SC 13G/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230214

**DATE AS OF CHANGE**: 20230214

**GROUP MEMBERS**: VENROCK MANAGEMENT VI, LLC

**GROUP MEMBERS**: VENROCK PARTNERS MANAGEMENT VI, LLC

**GROUP MEMBERS**: VENROCK PARTNERS VI, L.P.

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** 10x Genomics, Inc.
- **CENTRAL INDEX KEY:** 0001770787
- **STANDARD INDUSTRIAL CLASSIFICATION:** LABORATORY ANALYTICAL INSTRUMENTS [3826]
- **IRS NUMBER:** 455614458
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13G/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-91164
- **FILM NUMBER:** 23628785

**BUSINESS ADDRESS:**
- **STREET 1:** 6230 STONERIDGE MALL ROAD
- **CITY:** PLEASANTON
- **STATE:** CA
- **ZIP:** 94588
- **BUSINESS PHONE:** (925) 401-7300

**MAIL ADDRESS:**
- **STREET 1:** 6230 STONERIDGE MALL ROAD
- **CITY:** PLEASANTON
- **STATE:** CA
- **ZIP:** 94588

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** 10X Genomics, Inc.
- **DATE OF NAME CHANGE:** 20190315
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Venrock Associates VI, L.P.
- **CENTRAL INDEX KEY:** 0001495384
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13G/A

**BUSINESS ADDRESS:**
- **STREET 1:** 3340 HILLVIEW AVENUE
- **CITY:** PALO ALTO
- **STATE:** CA
- **ZIP:** 94304
- **BUSINESS PHONE:** 650-475-3734

**MAIL ADDRESS:**
- **STREET 1:** 3340 HILLVIEW AVENUE
- **CITY:** PALO ALTO
- **STATE:** CA
- **ZIP:** 94304

**SECURITIES AND EXCHANGE COMMISSION**

 **Washington, D.C. 20549**

**SCHEDULE 13G/A**

**Under the Securities Exchange Act of 1934<br> (Amendment No. 3)\***

**10x Genomics, Inc.**

(Name of Issuer)

**Class A Common Stock, $0.00001 par value**

(Title of Class of Securities)

**88025U109**

(CUSIP Number)

**December 31, 2022**

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

◻ Rule 13d-1(b) <br> ◻ Rule 13d-1(c) <br> ⌧ Rule 13d-1(d)

\*The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

---

| | | |
|:---|:---|:---|
| CUSIP No. 88025U109 | CUSIP No. 88025U109 | CUSIP No. 88025U109 |
| 1. | &nbsp;&nbsp;Name of Reporting Persons<br> Venrock Associates VI, L.P. | &nbsp;&nbsp;Name of Reporting Persons<br> Venrock Associates VI, L.P. |
| 2. | &nbsp;&nbsp;Check the Appropriate Box if a Member of a Group (See Instructions) | &nbsp;&nbsp;Check the Appropriate Box if a Member of a Group (See Instructions) |
|  | &nbsp;&nbsp;(a) | ⌧(1) |
|  | &nbsp;&nbsp;(b) | ◻ |
| 3. | &nbsp;&nbsp;SEC Use Only | &nbsp;&nbsp;SEC Use Only |
| 4. | &nbsp;&nbsp;Citizenship or Place of Organization <br> Delaware | &nbsp;&nbsp;Citizenship or Place of Organization <br> Delaware |

---

---

| | | |
|:---|:---|:---|
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person With: | 5. | &nbsp;&nbsp;Sole Voting Power <br> 0 |
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person With: | 6. | &nbsp;&nbsp;Shared Voting Power <br> 4,828,247 (2) |
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person With: | 7. | &nbsp;&nbsp;Sole Dispositive Power <br> 0 |
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person With: | 8. | &nbsp;&nbsp;Shared Dispositive Power <br> 4,828,247 (2) |

---

9. Aggregate
 Amount Beneficially Owned by Each Reporting Person<br>
 4,828,247 (2)

10. Check if the Aggregate
 Amount in Row (9) Excludes Certain Shares (See Instructions) ◻

11. Percent of Class Represented
 by Amount in Row (9)<br>
 4.9% (3)

12. Type of Reporting Person (See Instructions)<br>
 PN

(1) Venrock Associates VI, L.P. ("VA6"), Venrock Partners VI, L.P.
 ("VP6"), Venrock Management VI, LLC, the general partner of VA6 and Venrock Partners Management VI, LLC, the general
 partner of VP6 (collectively, the "Venrock VI Entities"), are members of a group for purposes of this Schedule 13G/A.

(2) Consists of (i) 962,309 shares of Class A Common Stock and 3,514,480 shares
 of Class A Common Stock issuable upon conversion of shares of Class B Common Stock held by VA6 and (ii) 75,516 shares
 of Class A Common Stock and 275,942 shares of Class A Common Stock issuable upon conversion of shares of Class B Common
 Stock held by VP6. The Class B Common Stock is convertible at any time by the holder into shares of Class A Common Stock
 on a share-for-share basis.

(3) This percentage is calculated based upon (i) 95,596,266 shares of the Issuer's
 Class A Common Stock outstanding as of October 31, 2022, as reported in the Issuer's Quarterly Report on Form 10-Q
 filed with the Securities and Exchange Commission on November 3, 2022, plus (ii) 3,790,422 shares of Class A Common
 Stock issuable upon conversion of the Class B Common Stock held by the Venrock VI Entities. As of October 31, 2022, there
 were 18,867,255 shares of the Issuer's Class B Common Stock outstanding. If all outstanding shares of Class B Common
 Stock were converted into Class A Common Stock, then the Venrock VI Entities would beneficially own 4.2% of the Issuer's
 Class A Common Stock.

---

| | | |
|:---|:---|:---|
| CUSIP No. 88025U109 | CUSIP No. 88025U109 | CUSIP No. 88025U109 |
| 1. | &nbsp;&nbsp;Name of Reporting Persons<br> Venrock Partners VI, L.P. | &nbsp;&nbsp;Name of Reporting Persons<br> Venrock Partners VI, L.P. |
| 2. | &nbsp;&nbsp;Check the Appropriate Box if a Member of a Group (See Instructions) | &nbsp;&nbsp;Check the Appropriate Box if a Member of a Group (See Instructions) |
|  | &nbsp;&nbsp;(a) | ⌧(1) |
|  | &nbsp;&nbsp;(b) | □ |
| 3. | &nbsp;&nbsp;SEC Use Only | &nbsp;&nbsp;SEC Use Only |
| 4. | &nbsp;&nbsp;Citizenship or Place of Organization <br> Delaware | &nbsp;&nbsp;Citizenship or Place of Organization <br> Delaware |

---

---

| | | |
|:---|:---|:---|
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person With: | 5. | &nbsp;&nbsp;Sole Voting Power <br> 0 |
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person With: | 6. | &nbsp;&nbsp;Shared Voting Power <br> 4,828,247 (2) |
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person With: | 7. | &nbsp;&nbsp;Sole Dispositive Power <br> 0 |
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person With: | 8. | &nbsp;&nbsp;Shared Dispositive Power <br> 4,828,247 (2) |

---

9. Aggregate
 Amount Beneficially Owned by Each Reporting Person<br>
 4,828,247 (2)

10. Check if the Aggregate
 Amount in Row (9) Excludes Certain Shares (See Instructions) ◻

11. Percent of Class Represented
 by Amount in Row (9)<br>
 4.9% (3)

12. Type of Reporting Person (See Instructions)<br>
 PN

(1) Venrock Associates VI, L.P. ("VA6"), Venrock Partners VI, L.P.
 ("VP6"), Venrock Management VI, LLC, the general partner of VA6 and Venrock Partners Management VI, LLC, the general
 partner of VP6 (collectively, the "Venrock VI Entities"), are members of a group for purposes of this Schedule 13G/A.

(2) Consists of (i) 962,309 shares of Class A Common Stock and 3,514,480 shares
 of Class A Common Stock issuable upon conversion of shares of Class B Common Stock held by VA6 and (ii) 75,516 shares
 of Class A Common Stock and 275,942 shares of Class A Common Stock issuable upon conversion of shares of Class B Common
 Stock held by VP6. The Class B Common Stock is convertible at any time by the holder into shares of Class A Common Stock
 on a share-for-share basis.

(3) This percentage is calculated based upon (i) 95,596,266 shares of the Issuer's
 Class A Common Stock outstanding as of October 31, 2022, as reported in the Issuer's Quarterly Report on Form 10-Q
 filed with the Securities and Exchange Commission on November 3, 2022, plus (ii) 3,790,422 shares of Class A Common
 Stock issuable upon conversion of the Class B Common Stock held by the Venrock VI Entities. As of October 31, 2022, there
 were 18,867,255 shares of the Issuer's Class B Common Stock outstanding. If all outstanding shares of Class B Common
 Stock were converted into Class A Common Stock, then the Venrock VI Entities would beneficially own 4.2% of the Issuer's
 Class A Common Stock.

---

| | | |
|:---|:---|:---|
| CUSIP No. 88025U109 | CUSIP No. 88025U109 | CUSIP No. 88025U109 |
| 1. | &nbsp;&nbsp;Name of Reporting Persons<br> Venrock Management VI, LLC | &nbsp;&nbsp;Name of Reporting Persons<br> Venrock Management VI, LLC |
| 2. | &nbsp;&nbsp;Check the Appropriate Box if a Member of a Group (See Instructions) | &nbsp;&nbsp;Check the Appropriate Box if a Member of a Group (See Instructions) |
|  | &nbsp;&nbsp;(a) | ⌧(1) |
|  | &nbsp;&nbsp;(b) | □ |
| 3. | &nbsp;&nbsp;SEC Use Only | &nbsp;&nbsp;SEC Use Only |
| 4. | &nbsp;&nbsp;Citizenship or Place of Organization <br> Delaware | &nbsp;&nbsp;Citizenship or Place of Organization <br> Delaware |

---

---

| | | |
|:---|:---|:---|
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person With: | 5. | &nbsp;&nbsp;Sole Voting Power <br> 0 |
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person With: | 6. | &nbsp;&nbsp;Shared Voting Power <br> 4,828,247 (2) |
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person With: | 7. | &nbsp;&nbsp;Sole Dispositive Power <br> 0 |
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person With: | 8. | &nbsp;&nbsp;Shared Dispositive Power <br> 4,828,247 (2) |

---

9. Aggregate
 Amount Beneficially Owned by Each Reporting Person<br>
 4,828,247 (2)

10. Check if the Aggregate
 Amount in Row (9) Excludes Certain Shares (See Instructions) □

11. Percent of Class Represented
 by Amount in Row (9)<br>
 4.9% (3)

12. Type of Reporting Person (See Instructions)<br>
 OO

(1) Venrock Associates VI, L.P. ("VA6"), Venrock Partners VI, L.P.
 ("VP6"), Venrock Management VI, LLC, the general partner of VA6 and Venrock Partners Management VI, LLC, the general
 partner of VP6 (collectively, the "Venrock VI Entities"), are members of a group for purposes of this Schedule 13G/A.

(2) Consists of (i) 962,309 shares of Class A Common Stock and 3,514,480 shares
 of Class A Common Stock issuable upon conversion of shares of Class B Common Stock held by VA6 and (ii) 75,516 shares
 of Class A Common Stock and 275,942 shares of Class A Common Stock issuable upon conversion of shares of Class B Common
 Stock held by VP6. The Class B Common Stock is convertible at any time by the holder into shares of Class A Common Stock
 on a share-for-share basis.

(3) This percentage is calculated based upon (i) 95,596,266 shares of the Issuer's
 Class A Common Stock outstanding as of October 31, 2022, as reported in the Issuer's Quarterly Report on Form 10-Q
 filed with the Securities and Exchange Commission on November 3, 2022, plus (ii) 3,790,422 shares of Class A Common
 Stock issuable upon conversion of the Class B Common Stock held by the Venrock VI Entities. As of October 31, 2022, there
 were 18,867,255 shares of the Issuer's Class B Common Stock outstanding. If all outstanding shares of Class B Common
 Stock were converted into Class A Common Stock, then the Venrock VI Entities would beneficially own 4.2% of the Issuer's
 Class A Common Stock.

---

| | | |
|:---|:---|:---|
| CUSIP No. 88025U109 | CUSIP No. 88025U109 | CUSIP No. 88025U109 |
| 1. | &nbsp;&nbsp;Name of Reporting Persons<br> Venrock Partners Management VI, LLC | &nbsp;&nbsp;Name of Reporting Persons<br> Venrock Partners Management VI, LLC |
| 2. | &nbsp;&nbsp;Check the Appropriate Box if a Member of a Group (See Instructions) | &nbsp;&nbsp;Check the Appropriate Box if a Member of a Group (See Instructions) |
|  | &nbsp;&nbsp;(a) | ⌧(1) |
|  | &nbsp;&nbsp;(b) | ◻ |
| 3. | &nbsp;&nbsp;SEC Use Only | &nbsp;&nbsp;SEC Use Only |
| 4. | &nbsp;&nbsp;Citizenship or Place of Organization <br> Delaware | &nbsp;&nbsp;Citizenship or Place of Organization <br> Delaware |

---

---

| | | |
|:---|:---|:---|
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person With: | 5. | &nbsp;&nbsp;Sole Voting Power <br> 0 |
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person With: | 6. | &nbsp;&nbsp;Shared Voting Power <br> 4,828,247 (2) |
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person With: | 7. | &nbsp;&nbsp;Sole Dispositive Power <br> 0 |
| Number of<br> Shares<br> Beneficially<br> Owned by<br> Each<br> Reporting<br> Person With: | 8. | &nbsp;&nbsp;Shared Dispositive Power <br> 4,828,247 (2) |

---

9. Aggregate
 Amount Beneficially Owned by Each Reporting Person<br>
 4,828,247 (2)

10. Check if the Aggregate
 Amount in Row (9) Excludes Certain Shares (See Instructions) ◻

11. Percent of Class Represented
 by Amount in Row (9)<br>
 4.9% (3)

12. Type of Reporting Person (See Instructions)<br>
 OO

(1) Venrock Associates VI, L.P. ("VA6"), Venrock Partners VI, L.P.
 ("VP6"), Venrock Management VI, LLC, the general partner of VA6 and Venrock Partners Management VI, LLC, the general
 partner of VP6 (collectively, the "Venrock VI Entities"), are members of a group for purposes of this Schedule 13G/A.

(2) Consists of (i) 962,309 shares of Class A Common Stock and 3,514,480 shares
 of Class A Common Stock issuable upon conversion of shares of Class B Common Stock held by VA6 and (ii) 75,516 shares
 of Class A Common Stock and 275,942 shares of Class A Common Stock issuable upon conversion of shares of Class B Common
 Stock held by VP6. The Class B Common Stock is convertible at any time by the holder into shares of Class A Common Stock
 on a share-for-share basis.

(3) This percentage is calculated based upon (i) 95,596,266 shares of the Issuer's
 Class A Common Stock outstanding as of October 31, 2022, as reported in the Issuer's Quarterly Report on Form 10-Q
 filed with the Securities and Exchange Commission on November 3, 2022, plus (ii) 3,790,422 shares of Class A Common
 Stock issuable upon conversion of the Class B Common Stock held by the Venrock VI Entities. As of October 31, 2022, there
 were 18,867,255 shares of the Issuer's Class B Common Stock outstanding. If all outstanding shares of Class B Common
 Stock were converted into Class A Common Stock, then the Venrock VI Entities would beneficially own 4.2% of the Issuer's
 Class A Common Stock.

CUSIP No. 88025U109

Introductory Note: This Statement on Schedule 13G/A is filed on behalf of the following entities in respect of the Class A Common Stock of 10x Genomics, Inc.:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· **Venrock Associates VI, L.P.** ("VA6"), a limited partnership
 organized under the laws of the State of Delaware;

· **Venrock Partners VI, L.P.** ("VP6"), a limited partnership organized
 under the laws of the State of Delaware;

· **Venrock Management VI, LLC** ("VM6"), a limited liability company
 organized under the laws of the State of Delaware; and

· **Venrock Partners Management VI, LLC** ("VPM6"), a limited liability
 company organized under the laws of the State of Delaware.

**Item 1.**

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) Name of Issuer

10x Genomics, Inc.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) Address of Issuer's Principal Executive Offices

6230 Stoneridge Mall Road

Pleasanton, California 94588

**Item 2.**

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) Name of Person Filing

Venrock Associates VI, L.P.

Venrock Partners VI, L.P.

Venrock Management VI, LLC

Venrock Partners Management VI, LLC

CUSIP No. 88025U109

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) Address of Principal Business Office or, if none, Residence

---

| | |
|:---|:---|
| **New York Office:** | **Palo Alto Office:** |
| 7 Bryant Park | 3340 Hillview Avenue |
| 23rd Floor | Palo Alto, CA 94304 |
| New York, NY 10018 |  |

---

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) Citizenship

Each of VA6 and VP6 are limited partnerships organized in the State of Delaware. Each of VM6 and VPM6 are limited liability companies organized in the State of Delaware.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d) Title of Class of Securities

Class A Common Stock

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e) CUSIP Number

88025U109

**Item 3. If this statement is filed pursuant to §§240.13d-1(b), or 240.13d-2(b) or (c), check whether the person filing is a:**

Not applicable

**Item 4. Ownership**

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) Amount Beneficially Owned as of December 31, 2022:

---

| | | |
|:---|:---|:---|
| Venrock Associates VI, L.P. | 4828247 | (1) |
| Venrock Partners VI, L.P. | 4828247 | (1) |
| Venrock Management VI, LLC | 4828247 | (1) |
| Venrock Partners Management VI, LLC | 4828247 | (1) |

---

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) Percent of Class as of December 31, 2022:

---

| | | |
|:---|:---|:---|
| Venrock Associates VI, L.P. | 4.9% | (2) |
| Venrock Partners VI, L.P. | 4.9% | (2) |
| Venrock Management VI, LLC | 4.9% | (2) |
| Venrock Partners Management VI, LLC | 4.9% | (2) |

---

CUSIP No. 88025U109

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) Number of shares as to which the person has, as of December 31, 2022:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) Sole power to vote or to direct the vote

---

| | |
|:---|:---|
| Venrock Associates VI, L.P. | 0 |
| Venrock Partners VI, L.P. | 0 |
| Venrock Management VI, LLC | 0 |
| Venrock Partners Management VI, LLC | 0 |

---

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) Shared power to vote or to direct the vote

---

| | | |
|:---|:---|:---|
| Venrock Associates VI, L.P. | 4828247 | (1) |
| Venrock Partners VI, L.P. | 4828247 | (1) |
| Venrock Management VI, LLC | 4828247 | (1) |
| Venrock Partners Management VI, LLC | 4828247 | (1) |

---

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii) Sole power to dispose or to direct the disposition of

---

| | |
|:---|:---|
| Venrock Associates VI, L.P. | 0 |
| Venrock Partners VI, L.P. | 0 |
| Venrock Management VI, LLC | 0 |
| Venrock Partners Management VI, LLC | 0 |

---

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iv) Shared power to dispose or to direct the disposition of

---

| | | |
|:---|:---|:---|
| Venrock Associates VI, L.P. | 4828247 | (1) |
| Venrock Partners VI, L.P. | 4828247 | (1) |
| Venrock Management VI, LLC | 4828247 | (1) |
| Venrock Partners Management VI, LLC | 4828247 | (1) |

---

CUSIP No. 88025U109

(1) Consists of (i) 962,309 shares of Class A Common Stock and
 3,514,480 shares of Class A Common Stock issuable upon conversion of shares of Class B Common Stock held by VA6 and (ii) 75,516
 shares of Class A Common Stock and 275,942 shares of Class A Common Stock issuable upon conversion of shares of Class B
 Common Stock held by VP6. The Class B Common Stock is convertible at any time by the holder into shares of Class A Common
 Stock on a share-for-share basis.

(2) This percentage is calculated based upon (i) 95,596,266 shares of the Issuer's
 Class A Common Stock outstanding as of October 31, 2022, as reported in the Issuer's Quarterly Report on Form 10-Q
 filed with the Securities and Exchange Commission on November 3, 2022, plus (ii) 3,790,422 shares of Class A Common
 Stock issuable upon conversion of the Class B Common Stock held by the Venrock VI Entities. As of October 31, 2022, there
 were 18,867,255 shares of the Issuer's Class B Common Stock outstanding. If all outstanding shares of Class B Common
 Stock were converted into Class A Common Stock, then the Venrock VI Entities would beneficially own 4.2% of the Issuer's
 Class A Common Stock.

**Item 5. Ownership of Five Percent or Less of a Class**

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following x.

**Item 6. Ownership of More than Five Percent on Behalf of Another Person**

Not Applicable

**Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person.**

Not Applicable

**Item 8. Identification and Classification of Members of the Group**

Not Applicable

**Item 9. Notice of Dissolution of a Group**

Not Applicable

**Item 10. Certification**

Not Applicable

CUSIP No. 88025U109

**<u>SIGNATURE</u>**

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this Statement is true, complete and correct.

Dated: February 14, 2023

---

| | | | |
|:---|:---|:---|:---|
| **Venrock Associates VI, L.P.** | **Venrock Associates VI, L.P.** | **Venrock Management VI, LLC** | **Venrock Management VI, LLC** |
| By: | Venrock Management VI, LLC, | By: | /s/ David Stepp |
|  | its General Partner |  | Authorized Signatory |
| By: | /s/ David Stepp |  |  |
|  | Authorized Signatory |  |  |
| **Venrock Partners VI, L.P.** | **Venrock Partners VI, L.P.** | **Venrock Partners Management VI, LLC** | **Venrock Partners Management VI, LLC** |
| By: | Venrock Partners Management VI, LLC, | By: | /s/ David Stepp |
|  | its General Partner |  | Authorized Signatory |
| By: | /s/ David Stepp |  |  |
|  | Authorized Signatory |  |  |

---

CUSIP No. 88025U109

**EXHIBITS**

A: Joint Filing Agreement (incorporated by reference to Exhibit A to Schedule 13G filed on February 14, 2020)