# EDGAR Filing Document

**Accession Number:** 0001906837
**File Stem:** 0001012975-25-000675
**Filing Date:** 2025-10
**Character Count:** 48534
**Document Hash:** 741a58810a4a4b60afadada7d834fff7
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001012975-25-000675.hdr.sgml**: 20251029

**ACCESSION NUMBER**: 0001012975-25-000675

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251029

**DATE AS OF CHANGE**: 20251029

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Neumora Therapeutics, Inc.
- **CENTRAL INDEX KEY:** 0001885522
- **STANDARD INDUSTRIAL CLASSIFICATION:** BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 844367680
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-94162
- **FILM NUMBER:** 251431600

**BUSINESS ADDRESS:**
- **STREET 1:** 260 ARSENAL PLACE, SUITE 1
- **CITY:** WATERTOWN
- **STATE:** MA
- **ZIP:** 02472
- **BUSINESS PHONE:** (857) 760-0900

**MAIL ADDRESS:**
- **STREET 1:** 260 ARSENAL PLACE, SUITE 1
- **CITY:** WATERTOWN
- **STATE:** MA
- **ZIP:** 02472

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** RBNC Therapeutics, Inc.
- **DATE OF NAME CHANGE:** 20210929
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ARCH Venture Fund XII, L.P.
- **CENTRAL INDEX KEY:** 0001906837

**ORGANIZATION NAME:**
- **EIN:** 873448430
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A

**BUSINESS ADDRESS:**
- **STREET 1:** 8755 W. HIGGINS ROAD, SUITE 1025
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60631
- **BUSINESS PHONE:** 773-380-6600

**MAIL ADDRESS:**
- **STREET 1:** 8755 W. HIGGINS ROAD, SUITE 1025
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60631

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 3)**

**Neumora Therapeutics, Inc.**

*(Name of Issuer)*

**Common Stock, $0.0001 par value**

*(Title of Class of Securities)*

**640979100**

*(CUSIP Number)*

**Mark McDonnell**<br>ARCH Venture Management, LLC<br>8755 W. Higgins Road, Suite 1025<br>Chicago IL 60631<br>(773) 380 6600

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**10/27/2025**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **640979100** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**ARCH Venture Fund VII, L.P.** | Name of reporting person<br>**ARCH Venture Fund VII, L.P.** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**33847838.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**33847838.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**20.6%** | Percent of class represented by amount in Row (11)<br>**20.6%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**PN** | Type of Reporting Person (See Instructions)<br>**PN** | |

---

| **CUSIP No.** | **640979100** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**ARCH Venture Fund VIII Overage, L.P.** | Name of reporting person<br>**ARCH Venture Fund VIII Overage, L.P.** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**33847838.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**33847838.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**20.6%** | Percent of class represented by amount in Row (11)<br>**20.6%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**PN** | Type of Reporting Person (See Instructions)<br>**PN** | |

---

| **CUSIP No.** | **640979100** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**ARCH Venture Fund X, L.P.** | Name of reporting person<br>**ARCH Venture Fund X, L.P.** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**33847838.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**33847838.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**20.6%** | Percent of class represented by amount in Row (11)<br>**20.6%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**PN** | Type of Reporting Person (See Instructions)<br>**PN** | |

---

| **CUSIP No.** | **640979100** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**ARCH Venture Fund X Overage, L.P.** | Name of reporting person<br>**ARCH Venture Fund X Overage, L.P.** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**33847838.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**33847838.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**20.6%** | Percent of class represented by amount in Row (11)<br>**20.6%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**PN** | Type of Reporting Person (See Instructions)<br>**PN** | |

---

| **CUSIP No.** | **640979100** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**ARCH Venture Fund XII, L.P.** | Name of reporting person<br>**ARCH Venture Fund XII, L.P.** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**33847838.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**33847838.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**20.6%** | Percent of class represented by amount in Row (11)<br>**20.6%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**PN** | Type of Reporting Person (See Instructions)<br>**PN** | |

---

| **CUSIP No.** | **640979100** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**ARCH Venture Partners VII, L.P.** | Name of reporting person<br>**ARCH Venture Partners VII, L.P.** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**AF** | Source of funds (See Instructions)<br>**AF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**33847838.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**33847838.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**20.6%** | Percent of class represented by amount in Row (11)<br>**20.6%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**PN** | Type of Reporting Person (See Instructions)<br>**PN** | |

---

| **CUSIP No.** | **640979100** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**ARCH Venture Partners X, L.P.** | Name of reporting person<br>**ARCH Venture Partners X, L.P.** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**AF** | Source of funds (See Instructions)<br>**AF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**33847838.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**33847838.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**20.6%** | Percent of class represented by amount in Row (11)<br>**20.6%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**PN** | Type of Reporting Person (See Instructions)<br>**PN** | |

---

| **CUSIP No.** | **640979100** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**ARCH Venture Partners X Overage, L.P.** | Name of reporting person<br>**ARCH Venture Partners X Overage, L.P.** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**AF** | Source of funds (See Instructions)<br>**AF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**33847838.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**33847838.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**20.6%** | Percent of class represented by amount in Row (11)<br>**20.6%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**PN** | Type of Reporting Person (See Instructions)<br>**PN** | |

---

| **CUSIP No.** | **640979100** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**ARCH Venture Partners XII, L.P.** | Name of reporting person<br>**ARCH Venture Partners XII, L.P.** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**WC** | Source of funds (See Instructions)<br>**WC** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**33847838.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**33847838.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**20.6%** | Percent of class represented by amount in Row (11)<br>**20.6%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**PN** | Type of Reporting Person (See Instructions)<br>**PN** | |

---

| **CUSIP No.** | **640979100** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**ARCH Venture Partners VII, LLC** | Name of reporting person<br>**ARCH Venture Partners VII, LLC** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**AF** | Source of funds (See Instructions)<br>**AF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**33847838.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**33847838.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**20.6%** | Percent of class represented by amount in Row (11)<br>**20.6%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**OO** | Type of Reporting Person (See Instructions)<br>**OO** | |

---

| **CUSIP No.** | **640979100** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**ARCH Venture Partners VIII, LLC** | Name of reporting person<br>**ARCH Venture Partners VIII, LLC** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**AF** | Source of funds (See Instructions)<br>**AF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**33847838.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**33847838.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**20.6%** | Percent of class represented by amount in Row (11)<br>**20.6%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**OO** | Type of Reporting Person (See Instructions)<br>**OO** | |

---

| **CUSIP No.** | **640979100** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**ARCH Venture Partners X, LLC** | Name of reporting person<br>**ARCH Venture Partners X, LLC** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**AF** | Source of funds (See Instructions)<br>**AF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**33847838.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**33847838.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**20.6%** | Percent of class represented by amount in Row (11)<br>**20.6%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**OO** | Type of Reporting Person (See Instructions)<br>**OO** | |

---

| **CUSIP No.** | **640979100** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**ARCH Venture Partners XII, LLC** | Name of reporting person<br>**ARCH Venture Partners XII, LLC** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**AF** | Source of funds (See Instructions)<br>**AF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**DELAWARE** | Citizenship or place of organization<br>**DELAWARE** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**33847838.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**33847838.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**20.6%** | Percent of class represented by amount in Row (11)<br>**20.6%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**OO** | Type of Reporting Person (See Instructions)<br>**OO** | |

---

| **CUSIP No.** | **640979100** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Robert Nelsen** | Name of reporting person<br>**Robert Nelsen** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**AF** | Source of funds (See Instructions)<br>**AF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**33847838.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**33847838.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**20.6%** | Percent of class represented by amount in Row (11)<br>**20.6%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

| **CUSIP No.** | **640979100** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Keith Crandell** | Name of reporting person<br>**Keith Crandell** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**AF** | Source of funds (See Instructions)<br>**AF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**33847838.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**33847838.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | Aggregate amount beneficially owned by each reporting person<br>**33847838.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**20.6%** | Percent of class represented by amount in Row (11)<br>**20.6%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

| **CUSIP No.** | **640979100** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Clinton Bybee** | Name of reporting person<br>**Clinton Bybee** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**AF** | Source of funds (See Instructions)<br>**AF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**3708794.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**3708794.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**3708794.00** | Aggregate amount beneficially owned by each reporting person<br>**3708794.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**2.3%** | Percent of class represented by amount in Row (11)<br>**2.3%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

| **CUSIP No.** | **640979100** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Kristina Burow** | Name of reporting person<br>**Kristina Burow** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**AF** | Source of funds (See Instructions)<br>**AF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**111129.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**33847838.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**111129.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**33847838.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**33958967.00** | Aggregate amount beneficially owned by each reporting person<br>**33958967.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**20.7%** | Percent of class represented by amount in Row (11)<br>**20.7%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

| **CUSIP No.** | **640979100** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Steven Gillis** | Name of reporting person<br>**Steven Gillis** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**AF** | Source of funds (See Instructions)<br>**AF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**31526272.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**31526272.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**31526272.00** | Aggregate amount beneficially owned by each reporting person<br>**31526272.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**19.2%** | Percent of class represented by amount in Row (11)<br>**19.2%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Common Stock, $0.0001 par value

**(b) Name of Issuer:**
Neumora Therapeutics, Inc.

**(c) Address of Issuer's Principal Executive Offices:**
260 Arsenal Place, Suite 1, Watertown, MA, 02472

This Amendment No. 3 (the "Amendment No. 3") amends the Schedule 13D filed on September 29, 2023 (as amended, the "Original 13D"), related to the Common Stock, $0.0001 par value per share (the "Common Stock"), of Neumora Therapeutics, Inc. (the "Issuer") having its principal executive office at 260 Arsenal Place, Suite 1, Watertown, Massachusetts, 02472.

**Item 5. Interest in Securities of the Issuer**

**(a)**
Item 5 of the Original 13D is hereby amended and supplemented as follows:

AVF VII is the record owner of 1,387,228 shares of Common Stock ("AVF VII Record Shares"). AVP VII, as the sole general partner of AVF VII, may be deemed to beneficially own the AVF VII Record Shares.  AVP VII LLC, as the sole general partner of AVP VII, may be deemed to beneficially own the AVF VII Record Shares.

AVF VIII Overage is the record owner of 2,321,566 shares of Common Stock ("AVF VIII Overage Record Shares"). AVP VIII LLC, as the sole general partner of AVF VIII Overage, may be deemed to beneficially own the AVF VIII Overage Record Shares.

AVF X is the record owner of 12,205,379 shares of Common Stock ("AVF X Record Shares"). AVP X LP, as the sole general partner of AVF X LP, may be deemed to beneficially own the AVF X Record Shares.  AVP X LLC, as the sole general partner of AVP X LP, may be deemed to beneficially own the AVF X Record Shares.

AVF X Overage is the record holder of 11,886,758 shares of Common Stock ("AVF X Overage Record Shares").  AVP X Overage LP, as the sole general partner of AVF X Overage, may be deemed to beneficially own the AVF X Overage Record Shares.  AVP X LLC, as the sole general partner of AVP X Overage LP, may be deemed to beneficially own the AVF X Overage Record Shares.

AVF XII is the record holder of 6,046,907 shares of Common Stock ("AVF XII Record Shares").  AVP XII LP, as the sole general partner of AVF XII LP, may be deemed to beneficially own the AVF XII Record Shares.  AVP XII LLC, as the sole general partner of AVP XII LP, may be deemed to beneficially own the AVF XII Overage Record Shares.

By virtue of their relationship as affiliated entities who have overlapping general partners and managing directors, each of the Managing Directors and direct and indirect general partners of AVF VII and AVF VIII Overage may be deemed to share the power to direct the disposition and vote of the AVF VII Record Shares and AVF VIII Overage Shares.  By virtue of their relationship as affiliated entities who have overlapping general partners and investment committee members, each of the Investment Committee Members and direct and indirect general partners of AVF X, AVF X Overage and AVF XII may be deemed to share the power to direct AVF X Record Shares and AVF XII Record Shares (collectively with AVF VII Record Shares and AVF VIII Overage Record Shares, the "Record Shares").   Burow and Gillis have a pecuniary interest in AVP VII, and Burow has a pecuniary interest in AVP VIII LP and AVP VIII Overage LP, and while they do not have voting or dispositive power over AVF VII Record Shares or AVF VIII Record Shares, these shares were included in the beneficial ownership reporting for each.

Burow is also the owner of 47,717 shares of common stock of the Issuer and is the holder of vested options to purchase 60,831 shares of Common Stock and options to purchase 2,581 shares of Common Stock that will vest within 60 days of this Schedule 13D ("Burow Options").

Each Reporting Person disclaims beneficial ownership of the Record Shares except for the shares, if any, held of record by such Reporting Person.

The percentage of outstanding Common Stock of the Issuer which may be deemed to be beneficially owned by each Reporting Person is set forth on Line 13 of such Reporting Person's cover sheet. Such percentage (other than for Burow) was calculated based on 163,964,887 shares of Common Stock outstanding, as reported by the Issuer to the Reporting Persons. For Burow, the Burow Options were included in the number of shares of Common Stock outstanding.

**(b)**
Regarding the number of shares as to which such person has:

(i)	sole power to vote or to direct the vote:  See line 7 of cover sheets.

(ii)	shared power to vote or to direct the vote:  See line 8 of cover sheets.

(iii)	sole power to dispose or to direct the disposition:  See line 9 of cover sheets.

(iv)	shared power to dispose or to direct the disposition:  See line 10 of cover sheets.

**(c)**
Except as set forth above, none of the Reporting Persons has effected any transaction in the Common Stock during the last 60 days.

### SIGNATURE

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.

**Reporting Person:** ARCH Venture Fund VII, L.P.

**Signature:** ARCH Venture Partners VII, L.P.

**Name/Title:** its General Partner

**Date:** 10/29/2025

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.

**Reporting Person:** ARCH Venture Fund VIII Overage, L.P.

**Signature:** ARCH Venture Partners VIII, LLC

**Name/Title:** its General Partner

**Date:** 10/29/2025

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.

**Reporting Person:** ARCH Venture Fund X, L.P.

**Signature:** ARCH Venture Partners X, L.P.

**Name/Title:** its General Partner

**Date:** 10/29/2025

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.

**Reporting Person:** ARCH Venture Fund X Overage, L.P.

**Signature:** ARCH Venture Partners X Overage, L.P.

**Name/Title:** its General Partner

**Date:** 10/29/2025

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.

**Reporting Person:** ARCH Venture Fund XII, L.P.

**Signature:** ARCH Venture Partners XII, L.P.

**Name/Title:** its General Partner

**Date:** 10/29/2025

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.

**Reporting Person:** ARCH Venture Partners VII, L.P.

**Signature:** ARCH Venture Partners VII, LLC

**Name/Title:** its General Partner

**Date:** 10/29/2025

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.

**Reporting Person:** ARCH Venture Partners X, L.P.

**Signature:** ARCH Venture Partners X, LLC

**Name/Title:** its General Partner

**Date:** 10/29/2025

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.

**Reporting Person:** ARCH Venture Partners X Overage, L.P.

**Signature:** ARCH Venture Partners X, LLC

**Name/Title:** its General Partner

**Date:** 10/29/2025

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.

**Reporting Person:** ARCH Venture Partners XII, L.P.

**Signature:** ARCH Venture Partners XII, LLC

**Name/Title:** its General Partner

**Date:** 10/29/2025

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.

**Reporting Person:** ARCH Venture Partners VII, LLC

**Signature:** /s/ Mark McDonnell*

**Name/Title:** Mark McDonnell, as Attorney-in-Fact for Keith Crandell, Managing Director

**Date:** 10/29/2025

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.

**Reporting Person:** ARCH Venture Partners VIII, LLC

**Signature:** /s/ Mark McDonnell*

**Name/Title:** Mark McDonnell, as Attorney-in-Fact for Keith Crandell, Managing Director

**Date:** 10/29/2025

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.

**Reporting Person:** ARCH Venture Partners X, LLC

**Signature:** /s/ Mark McDonnell*

**Name/Title:** Mark McDonnell, as Attorney-in-Fact for Robert Nelsen, Managing Director

**Date:** 10/29/2025

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.

**Reporting Person:** ARCH Venture Partners XII, LLC

**Signature:** /s/ Mark McDonnell*

**Name/Title:** Mark McDonnell, as Attorney-in-Fact for Keith Crandell, Managing Director

**Date:** 10/29/2025

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.

**Reporting Person:** Robert Nelsen

**Signature:** /s/ Mark McDonnell*

**Name/Title:** Mark McDonnell, as Attorney-in-Fact for Robert Nelsen

**Date:** 10/29/2025

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.

**Reporting Person:** Keith Crandell

**Signature:** /s/ Mark McDonnell*

**Name/Title:** Mark McDonnell, as Attorney-in-Fact for Keith Crandell

**Date:** 10/29/2025

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.

**Reporting Person:** Clinton Bybee

**Signature:** /s/ Mark McDonnell*

**Name/Title:** Mark McDonnell, as Attorney-in-Fact for Clinton Bybee

**Date:** 10/29/2025

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.

**Reporting Person:** Kristina Burow

**Signature:** /s/ Mark McDonnell*

**Name/Title:** Mark McDonnell, as Attorney-in-Fact for Kristina Burow

**Date:** 10/29/2025

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.

**Reporting Person:** Steven Gillis

**Signature:** /s/ Mark McDonnell*

**Name/Title:** Mark McDonnell, as Attorney-in-Fact for Steven Gillis

**Date:** 10/29/2025