# EDGAR Filing Document

**Accession Number:** 0001806952
**File Stem:** 0001104659-25-112479
**Filing Date:** 2025-11
**Character Count:** 26083
**Document Hash:** e3ff6b3723337a1e6a7ec27655e89a0a
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-25-112479.hdr.sgml**: 20251114

**ACCESSION NUMBER**: 0001104659-25-112479

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

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251114

**DATE AS OF CHANGE**: 20251114

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Lyell Immunopharma, Inc.
- **CENTRAL INDEX KEY:** 0001806952
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 833006753
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-93402
- **FILM NUMBER:** 251485824

**BUSINESS ADDRESS:**
- **STREET 1:** 201 HASKINS WAY
- **CITY:** SOUTH SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94080
- **BUSINESS PHONE:** 650 695-0677

**MAIL ADDRESS:**
- **STREET 1:** 201 HASKINS WAY
- **CITY:** SOUTH SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94080
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Foresite Capital Fund IV, L.P.
- **CENTRAL INDEX KEY:** 0001704131

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

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

**BUSINESS ADDRESS:**
- **STREET 1:** 600 MONTGOMERY STREET, SUITE 4500
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94111
- **BUSINESS PHONE:** 415-877-4887

**MAIL ADDRESS:**
- **STREET 1:** 600 MONTGOMERY STREET, SUITE 4500
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94111

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

## SCHEDULE 13G

### Under the Securities Exchange Act of 1934

**(Amendment No. 3)**

**Issuer:** Lyell Immunopharma, Inc.

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

**CUSIP Number:** 55083R203

**Date of Event Which Requires Filing of this Statement:** 09/30/2025

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

- [ ] Rule 13d-1(b)

- [x] Rule 13d-1(c)

- [ ] Rule 13d-1(d)

---

| 1. | Names of Reporting Persons<br>Foresite Capital Fund IV, L.P. | Names of Reporting Persons<br>Foresite Capital Fund IV, L.P. |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>DE | Citizenship or Place of Organization<br>DE |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>800339.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>800339.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>800339.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>800339.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>4.2% | Percent of Class Represented by Amount in Row (9)<br>4.2% |
| 12. | Type of Reporting Person (See Instructions)<br>PN | Type of Reporting Person (See Instructions)<br>PN |

**Comment for Type of Reporting Person:** Note to Row 5: 800,339 shares, except that Foresite Capital Management IV, LLC ("FCM IV"), the general partner of Foresite Capital Fund IV, L.P. ("FCF IV"), may be deemed to have sole power to vote these shares, and James Tananbaum ("Tananbaum"), the managing member of FCM IV, may be deemed to have sole power to vote these shares.

Note to Row 6: See response to Row 5.

Note to Row 7: 800,339 shares, except that FCM IV, the general partner of FCF IV, may be deemed to have sole power to dispose of these shares, and Tananbaum, the managing member of FCM IV, may be deemed to have sole power to dispose of these shares.

Note to Row 8: See response to Row 7.

Note to Row 11: This percentage is calculated based upon 19,211,202 Common Stock outstanding of Lyell Immunopharma, Inc. (the "Issuer") as of August 7, 2025, as set forth in the Issuer's Form 10-Q filed with the Securities and Exchange Commission on August 12, 2025.

---

| 1. | Names of Reporting Persons<br>Foresite Capital Management IV, LLC | Names of Reporting Persons<br>Foresite Capital Management IV, LLC |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>DE | Citizenship or Place of Organization<br>DE |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>800339.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>800339.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>800339.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>800339.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>4.2% | Percent of Class Represented by Amount in Row (9)<br>4.2% |
| 12. | Type of Reporting Person (See Instructions)<br>OO | Type of Reporting Person (See Instructions)<br>OO |

**Comment for Type of Reporting Person:** Note to Row 5: 800,339 shares, all of which are directly owned by FCF IV.  FCM IV, the general partner of FCF IV, may be deemed to have sole power to vote these shares, and Tananbaum, the managing member of FCM IV, may be deemed to have sole power to vote these shares.

Note to Row 6: See response to Row 5.

Note to Row 7: 800,339 shares, all of which are directly owned by FCF IV.  FCM IV, the general partner of FCF IV, may be deemed to have sole power to dispose of these shares, and Tananbaum, the managing member of FCM IV, may be deemed to have sole power to dispose of these shares.

Note to Row 8: See response to Row 7.

Note to Row 11: This percentage is calculated based upon 19,211,202 Common Stock outstanding of the Issuer as of August 7, 2025, as set forth in the Issuer's Form 10-Q filed with the Securities and Exchange Commission on August 12, 2025.

---

| 1. | Names of Reporting Persons<br>Foresite Capital Fund V, L.P. | Names of Reporting Persons<br>Foresite Capital Fund V, L.P. |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>DE | Citizenship or Place of Organization<br>DE |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>477078.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>477078.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>477078.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>477078.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>2.5% | Percent of Class Represented by Amount in Row (9)<br>2.5% |
| 12. | Type of Reporting Person (See Instructions)<br>PN | Type of Reporting Person (See Instructions)<br>PN |

**Comment for Type of Reporting Person:** Note to Row 5: 477,078 shares, except that Foresite Capital Management V, LLC ("FCM V"), the general partner of Foresite Capital Fund V, L.P. ("FCF V"), may be deemed to have sole power to vote these shares, and Tananbaum, the managing member of FCM V, may be deemed to have sole power to vote these shares.

Note to Row 6: See response to Row 5.

Note to Row 7: 477,078 shares, except that FCM V, the general partner of FCF V, may be deemed to have sole power to dispose of these shares, and Tananbaum, the managing member of FCM V, may be deemed to have sole power to dispose of these shares.

Note to Row 8: See response to Row 7.

Note to Row 11: This percentage is calculated based upon 19,211,202 Common Stock outstanding of the Issuer as of August 7, 2025, as set forth in the Issuer's Form 10-Q filed with the Securities and Exchange Commission on August 12, 2025.

---

| 1. | Names of Reporting Persons<br>Foresite Capital Management V, LLC | Names of Reporting Persons<br>Foresite Capital Management V, LLC |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>DE | Citizenship or Place of Organization<br>DE |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>477078.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>477078.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>477078.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>477078.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>2.5% | Percent of Class Represented by Amount in Row (9)<br>2.5% |
| 12. | Type of Reporting Person (See Instructions)<br>OO | Type of Reporting Person (See Instructions)<br>OO |

**Comment for Type of Reporting Person:** Note to Row 5: 477,078 shares, all of which are directly owned by FCF V.  FCM V, the general partner of FCF V, may be deemed to have sole power to vote these shares, and Tananbaum, the managing member of FCM V, may be deemed to have sole power to vote these shares.

Note to Row 6: See response to Row 5.

Note to Row 7: 477,078 shares, all of which are directly owned by FCF V. FCM V, the general partner of FCF V, may be deemed to have sole power to dispose of these shares, and Tananbaum, the managing member of FCM V, may be deemed to have sole power to dispose of these shares.

Note to Row 8: See response to Row 7.

Note to Row 11: This percentage is calculated based upon 19,211,202 Common Stock outstanding of the Issuer as of August 7, 2025, as set forth in the Issuer's Form 10-Q filed with the Securities and Exchange Commission on August 12, 2025.

---

| 1. | Names of Reporting Persons<br>Foresite Capital Opportunity Fund V, L.P. | Names of Reporting Persons<br>Foresite Capital Opportunity Fund V, L.P. |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>DE | Citizenship or Place of Organization<br>DE |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>177199.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>177199.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>177199.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>177199.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>0.9% | Percent of Class Represented by Amount in Row (9)<br>0.9% |
| 12. | Type of Reporting Person (See Instructions)<br>PN | Type of Reporting Person (See Instructions)<br>PN |

**Comment for Type of Reporting Person:** Note to Row 5: 177,199 shares, except that Foresite Capital Opportunity Management V, LLC ("FCM Opp V"), the general partner of Foresite Capital Opportunity Fund V, L.P. ("FCF Opp V"), may be deemed to have sole power to vote these shares, and Tananbaum, the managing member of FCM Opp V, may be deemed to have sole power to vote these shares.

Note to Row 6: See response to Row 5.

Note to Row 7: 177,199 shares, except that FCM Opp V, the general partner of FCF Opp V, may be deemed to have sole power to dispose of these shares, and Tananbaum, the managing member of FCM Opp V, may be deemed to have sole power to dispose of these shares.

Note to Row 8: See response to Row 7.

Note to Row 11: This percentage is calculated based upon 19,211,202 Common Stock outstanding of the Issuer as of August 7, 2025, as set forth in the Issuer's Form 10-Q filed with the Securities and Exchange Commission on August 12, 2025.

---

| 1. | Names of Reporting Persons<br>Foresite Capital Opportunity Management V, LLC | Names of Reporting Persons<br>Foresite Capital Opportunity Management V, LLC |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>DE | Citizenship or Place of Organization<br>DE |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>177199.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>177199.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>177199.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>177199.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>0.9% | Percent of Class Represented by Amount in Row (9)<br>0.9% |
| 12. | Type of Reporting Person (See Instructions)<br>OO | Type of Reporting Person (See Instructions)<br>OO |

**Comment for Type of Reporting Person:** Note to Row 5: 177,199 shares, all of which are directly owned by FCF Opp V.  FCM Opp V, the general partner of FCF Opp V, may be deemed to have sole power to vote these shares, and Tananbaum, the managing member of FCM Opp V, may be deemed to have sole power to vote these shares.

Note to Row 6: See response to Row 5.

Note to Row 7: 177,199 shares, all of which are directly owned by FCF Opp V.  FCM Opp V, the general partner of FCF Opp V, may be deemed to have sole power to dispose of these shares, and Tananbaum, the managing member of FCM Opp V, may be deemed to have sole power to dispose of these shares.

Note to Row 8: See response to Row 7.

Note to Row 11: This percentage is calculated based upon 19,211,202 Common Stock outstanding of the Issuer as of August 7, 2025, as set forth in the Issuer's Form 10-Q filed with the Securities and Exchange Commission on August 12, 2025.

---

| 1. | Names of Reporting Persons<br>James B. Tananbaum | Names of Reporting Persons<br>James B. Tananbaum |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>X1 | Citizenship or Place of Organization<br>X1 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>1454616.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>1454616.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>1454616.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>1454616.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>7.6% | Percent of Class Represented by Amount in Row (9)<br>7.6% |
| 12. | Type of Reporting Person (See Instructions)<br>IN | Type of Reporting Person (See Instructions)<br>IN |

**Comment for Type of Reporting Person:** Note to Row 5: 1,454,616 shares, of which 800,339 shares are directly owned by FCF IV, 477,078 shares are directly owned by FCF V and 177,199 shares are directly owned by FCF Opp V.  Tananbaum is the managing member of each of FCM IV, which is the general partner of FCF IV, FCM V, which is the general partner of FCF V and FCM Opp V, which is the general partner of FCF Opp V.  Tananbaum may be deemed to have sole power to vote these shares.

Note to Row 6: See response to Row 5.

Note to Row 7: 1,454,616 shares, of which 800,339 shares are directly owned by FCF IV, 477,078 shares are directly owned by FCF V and 177,199 shares are directly owned by FCF Opp V.  Tananbaum is the managing member of each of FCM IV, which is the general partner of FCF IV, FCM V, which is the general partner of FCF V and FCM Opp V, which is the general partner of FCF Opp V.  Tananbaum may be deemed to have sole power to dispose of these shares.

Note to Row 8: See response to Row 7.

Note to Row 11: This percentage is calculated based upon 19,211,202 Common Stock outstanding of the Issuer as of August 7, 2025, as set forth in the Issuer's Form 10-Q filed with the Securities and Exchange Commission on August 12, 2025.

---

**Item 1(a). Name of Issuer:**
Lyell Immunopharma, Inc.

**Item 1(b). Address of Issuer's Principal Executive Offices:**
201 Haskins Way, South San Francisco, CA, 94080

**Item 2(a). Name of Person Filing:**
This Schedule is filed by Foresite Capital Fund IV, L.P., a Delaware limited partnership, Foresite Capital Management IV, LLC, a Delaware limited liability company, Foresite Capital Fund V, L.P., a Delaware limited partnership, Foresite Capital Management V, LLC, a Delaware limited liability company, Foresite Capital Opportunity Fund V, L.P., a Delaware limited partnership, Foresite Capital Opportunity Management V, LLC, a Delaware limited liability company and James Tananbaum. The foregoing entities and individuals are collectively referred to as the "Reporting Persons."

**Item 2(b). Address of Principal Business Office:**
c/o Foresite Capital Management

900 Larkspur Landing Circle, Suite 150
Larkspur, CA 94939

**Item 2(c). Citizenship:**
See Row 4 of cover page for each Reporting Person.

**Item 2(d). Title of Class of Securities:**
Common Stock, par value $0.0001

**Item 2(e). CUSIP Number:**
55083R203

**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:**

(a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

(b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c) [ ] Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

(d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).

(e) [ ] An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);

(f) [ ] An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);

(g) [ ] A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);

(h) [ ] A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j) [ ] A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), if filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:

(k) [ ] Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).

**Item 4. Ownership:**

**(a) Amount beneficially owned:**

See Row 9 of cover page for each Reporting Person.

**(b) Percent of class:**

See Row 11 of cover page for each Reporting Person.

**(c) Number of shares as to which the person has:**

**(i) Sole power to vote or to direct the vote:**

See Row 5 of cover page for each Reporting Person.

**(ii) Shared power to vote or to direct the vote:**

See Row 6 of cover page for each Reporting Person.

**(iii) Sole power to dispose or to direct the disposition of:**

See Row 7 of cover page for each Reporting Person.

**(iv) Shared power to dispose or to direct the disposition of:**

See Row 8 of cover page for each Reporting Person.

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

[x] 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.

**Item 6. Ownership of More than 5 Percent on Behalf of Another Person.**

Under certain circumstances set forth in the limited partnership agreements of FCF IV, FCF V and FCF Opp V and the limited liability company agreements of FCM IV, FCM V and FCM Opp V, the partners or members, as the case may be, of each of such entities may be deemed to have the right to receive dividends from, or the proceeds from the sale of, shares of the Issuer directly or indirectly owned by each such entity of which they are a partner or member.

**Item 7. Identification and Classification of the Subsidiary**

Not Applicable

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

Not Applicable

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

Not Applicable

**Item 10. Certification:**

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

### 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.

**Foresite Capital Fund IV, L.P.**

**Date:** 11/14/2025

**By:** /s/ James Tananbaum

**Name & Title:** James Tananbaum, Managing Member of the General Partner

**Foresite Capital Management IV, LLC**

**Date:** 11/14/2025

**By:** /s/ James Tananbaum

**Name & Title:** James Tananbaum, Managing Member

**Foresite Capital Fund V, L.P.**

**Date:** 11/14/2025

**By:** /s/ James Tananbaum

**Name & Title:** James Tananbaum, Managing Member of the General Partner

**Foresite Capital Management V, LLC**

**Date:** 11/14/2025

**By:** /s/ James Tananbaum

**Name & Title:** James Tananbaum, Managing Member

**Foresite Capital Opportunity Fund V, L.P.**

**Date:** 11/14/2025

**By:** /s/ James Tananbaum

**Name & Title:** James Tananbaum, Managing Member of the General Partner

**Foresite Capital Opportunity Management V, LLC**

**Date:** 11/14/2025

**By:** /s/ James Tananbaum

**Name & Title:** James Tananbaum, Managing Member

**James B. Tananbaum**

**Date:** 11/14/2025

**By:** /s/ James Tananbaum

**Name & Title:** James Tananbaum