# EDGAR Filing Document

**Accession Number:** 0001913317
**File Stem:** 0001415889-25-018595
**Filing Date:** 2025-6
**Character Count:** 33242
**Document Hash:** 06e4b897ab104880aa4657ac40142980
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001415889-25-018595.hdr.sgml**: 20250630

**ACCESSION NUMBER**: 0001415889-25-018595

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250626

**FILED AS OF DATE**: 20250630

**DATE AS OF CHANGE**: 20250630

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Lightspeed Venture Partners IX, L.P.
- **CENTRAL INDEX KEY:** 0001539061

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

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42028
- **FILM NUMBER:** 251093990

**BUSINESS ADDRESS:**
- **STREET 1:** 2200 SAND HILL RAOD
- **CITY:** MENLO PARK
- **STATE:** CA
- **ZIP:** 94025
- **BUSINESS PHONE:** 650-234-8300

**MAIL ADDRESS:**
- **STREET 1:** 2200 SAND HILL RAOD
- **CITY:** MENLO PARK
- **STATE:** CA
- **ZIP:** 94025
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Lightspeed Venture Partners Select II, L.P.
- **CENTRAL INDEX KEY:** 0001668017

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42028
- **FILM NUMBER:** 251093987

**BUSINESS ADDRESS:**
- **STREET 1:** 2200 SAND HILL ROAD
- **CITY:** MENLO PARK
- **STATE:** CA
- **ZIP:** 94025
- **BUSINESS PHONE:** (650) 843-5000

**MAIL ADDRESS:**
- **STREET 1:** 2200 SAND HILL ROAD
- **CITY:** MENLO PARK
- **STATE:** CA
- **ZIP:** 94025
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Lightspeed SPV I, LLC
- **CENTRAL INDEX KEY:** 0001703140

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

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42028
- **FILM NUMBER:** 251093984

**BUSINESS ADDRESS:**
- **STREET 1:** 2200 SAND HILL ROAD
- **CITY:** MENLO PARK
- **STATE:** CA
- **ZIP:** 94025
- **BUSINESS PHONE:** (650) 234-8300

**MAIL ADDRESS:**
- **STREET 1:** 2200 SAND HILL ROAD
- **CITY:** MENLO PARK
- **STATE:** CA
- **ZIP:** 94025
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Lightspeed General Partner Select II, L.P.
- **CENTRAL INDEX KEY:** 0001744936

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42028
- **FILM NUMBER:** 251093986

**BUSINESS ADDRESS:**
- **STREET 1:** 2200 SAND HILL ROAD
- **CITY:** MENLO PARK
- **STATE:** CA
- **ZIP:** 94025
- **BUSINESS PHONE:** 650-234-8300

**MAIL ADDRESS:**
- **STREET 1:** 2200 SAND HILL ROAD
- **CITY:** MENLO PARK
- **STATE:** CA
- **ZIP:** 94025
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Lightspeed Ultimate General Partner Select II, Ltd.
- **CENTRAL INDEX KEY:** 0001744937

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42028
- **FILM NUMBER:** 251093985

**BUSINESS ADDRESS:**
- **STREET 1:** 2200 SAND HILL ROAD
- **CITY:** MENLO PARK
- **STATE:** CA
- **ZIP:** 94025
- **BUSINESS PHONE:** 650-234-8300

**MAIL ADDRESS:**
- **STREET 1:** 2200 SAND HILL ROAD
- **CITY:** MENLO PARK
- **STATE:** CA
- **ZIP:** 94025
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** LS SPV Management, LLC
- **CENTRAL INDEX KEY:** 0001978139

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42028
- **FILM NUMBER:** 251093981

**BUSINESS ADDRESS:**
- **STREET 1:** 2200 SAND HILL ROAD
- **CITY:** MENLO PARK
- **STATE:** CA
- **ZIP:** 94025
- **BUSINESS PHONE:** 650-234-8300

**MAIL ADDRESS:**
- **STREET 1:** 2200 SAND HILL ROAD
- **CITY:** MENLO PARK
- **STATE:** CA
- **ZIP:** 94025
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Lightspeed SPV I-C, LLC
- **CENTRAL INDEX KEY:** 0001827893

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

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42028
- **FILM NUMBER:** 251093982

**BUSINESS ADDRESS:**
- **STREET 1:** 2200 SAND HILL ROAD
- **CITY:** MENLO PARK
- **STATE:** CA
- **ZIP:** 94025
- **BUSINESS PHONE:** 650 843 5000

**MAIL ADDRESS:**
- **STREET 1:** 2200 SAND HILL ROAD
- **CITY:** MENLO PARK
- **STATE:** CA
- **ZIP:** 94025
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Lightspeed Ultimate General Partner IX, Ltd.
- **CENTRAL INDEX KEY:** 0001912676

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

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42028
- **FILM NUMBER:** 251093988

**BUSINESS ADDRESS:**
- **STREET 1:** 2200 SAND HILL ROAD, SUITE 100
- **CITY:** MENLO PARK
- **STATE:** CA
- **ZIP:** 94025
- **BUSINESS PHONE:** 650-234-8300

**MAIL ADDRESS:**
- **STREET 1:** 2200 SAND HILL ROAD, SUITE 100
- **CITY:** MENLO PARK
- **STATE:** CA
- **ZIP:** 94025
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Lightspeed General Partner IX, L.P.
- **CENTRAL INDEX KEY:** 0001913317

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

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42028
- **FILM NUMBER:** 251093989

**BUSINESS ADDRESS:**
- **STREET 1:** 2200 SAND HILL ROAD, SUITE 100
- **CITY:** MENLO PARK
- **STATE:** CA
- **ZIP:** 94025
- **BUSINESS PHONE:** 650-234-8300

**MAIL ADDRESS:**
- **STREET 1:** 2200 SAND HILL ROAD, SUITE 100
- **CITY:** MENLO PARK
- **STATE:** CA
- **ZIP:** 94025
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Lightspeed SPV I-B, LLC
- **CENTRAL INDEX KEY:** 0001759394

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

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42028
- **FILM NUMBER:** 251093983

**BUSINESS ADDRESS:**
- **STREET 1:** 2200 SAND HILL ROAD
- **CITY:** MENLO PARK
- **STATE:** CA
- **ZIP:** 94025
- **BUSINESS PHONE:** (650) 843-5000

**MAIL ADDRESS:**
- **STREET 1:** 2200 SAND HILL ROAD
- **CITY:** MENLO PARK
- **STATE:** CA
- **ZIP:** 94025
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Rubrik, Inc.
- **CENTRAL INDEX KEY:** 0001943896
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-PREPACKAGED SOFTWARE [7372]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 464560494
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0131

**BUSINESS ADDRESS:**
- **STREET 1:** 3495 DEER CREEK ROAD
- **CITY:** PALO ALTO
- **STATE:** CA
- **ZIP:** 94304
- **BUSINESS PHONE:** 8444782745

**MAIL ADDRESS:**
- **STREET 1:** 3495 DEER CREEK ROAD
- **CITY:** PALO ALTO
- **STATE:** CA
- **ZIP:** 94304

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Lightspeed Venture Partners IX, L.P.<br><sub>(Last) (First) (Middle)</sub><br>2200 SAND HILL ROAD<br><sub>(Street)</sub><br>MENLO PARK, CA 94025<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-06-26 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Rubrik, Inc. [ RBRK ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Lightspeed General Partner IX, L.P.<br><sub>(Last) (First) (Middle)</sub><br>2200 SAND HILL ROAD<br><sub>(Street)</sub><br>MENLO PARK, CA 94025<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-06-26 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Rubrik, Inc. [ RBRK ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Lightspeed Ultimate General Partner IX, Ltd.<br><sub>(Last) (First) (Middle)</sub><br>2200 SAND HILL ROAD<br><sub>(Street)</sub><br>MENLO PARK, CA 94025<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-06-26 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Rubrik, Inc. [ RBRK ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Lightspeed Venture Partners Select II, L.P.<br><sub>(Last) (First) (Middle)</sub><br>2200 SAND HILL ROAD<br><sub>(Street)</sub><br>MENLO PARK, CA 94025<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-06-26 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Rubrik, Inc. [ RBRK ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Lightspeed General Partner Select II, L.P.<br><sub>(Last) (First) (Middle)</sub><br>2200 SAND HILL ROAD<br><sub>(Street)</sub><br>MENLO PARK, CA 94025<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-06-26 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Rubrik, Inc. [ RBRK ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Lightspeed Ultimate General Partner Select II, Ltd.<br><sub>(Last) (First) (Middle)</sub><br>2200 SAND HILL ROAD<br><sub>(Street)</sub><br>MENLO PARK, CA 94025<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-06-26 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Rubrik, Inc. [ RBRK ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Lightspeed SPV I, LLC<br><sub>(Last) (First) (Middle)</sub><br>2200 SAND HILL ROAD<br><sub>(Street)</sub><br>MENLO PARK, CA 94025<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-06-26 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Rubrik, Inc. [ RBRK ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Lightspeed SPV I-B, LLC<br><sub>(Last) (First) (Middle)</sub><br>2200 SAND HILL ROAD<br><sub>(Street)</sub><br>MENLO PARK, CA 94025<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-06-26 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Rubrik, Inc. [ RBRK ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Lightspeed SPV I-C, LLC<br><sub>(Last) (First) (Middle)</sub><br>2200 SAND HILL ROAD<br><sub>(Street)</sub><br>MENLO PARK, CA 94025<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-06-26 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Rubrik, Inc. [ RBRK ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>LS SPV Management, LLC<br><sub>(Last) (First) (Middle)</sub><br>2200 SAND HILL ROAD<br><sub>(Street)</sub><br>MENLO PARK, CA 94025<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-06-26 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Rubrik, Inc. [ RBRK ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Class A Common Stock | 2025-06-26 |  | C |  | 4440000 | A | $0 | 4440000 | D<sup>(1)</sup> |  |
| Class A Common Stock | 2025-06-26 |  | C |  | 1031000 | A | $0 | 1031000 | I | By Lightspeed Venture Partners Select II, L.P.<sup>(2)</sup> |
| Class A Common Stock | 2025-06-26 |  | C |  | 2004000 | A | $0 | 2004000 | I | By Lightspeed SPV I, LLC<sup>(3)</sup> |
| Class A Common Stock | 2025-06-26 |  | C |  | 1274000 | A | $0 | 1274000 | I | By Lightspeed SPV I-B, LLC<sup>(4)</sup> |
| Class A Common Stock | 2025-06-26 |  | C |  | 892000 | A | $0 | 892000 | I | By Lightspeed SPV I-C, LLC<sup>(5)</sup> |
| Class A Common Stock | 2025-06-26 |  | J<sup>(6)</sup> |  | 4440000 | D | $0 | 0 | D<sup>(1)</sup> |  |
| Class A Common Stock | 2025-06-26 |  | J<sup>(7)</sup> |  | 1159950 | A | $0 | 1159950 | I | By Lightspeed General Partner IX, L.P.<sup>(8)</sup> |
| Class A Common Stock | 2025-06-26 |  | J<sup>(9)</sup> |  | 1159950 | D | $0 | 0 | I | By Lightspeed General Partner IX, L.P.<sup>(8)</sup> |
| Class A Common Stock | 2025-06-26 |  | J<sup>(10)</sup> |  | 1031000 | D | $0 | 0 | I | By Lightspeed Venture Partners Select II, L.P.<sup>(2)</sup> |
| Class A Common Stock | 2025-06-26 |  | J<sup>(11)</sup> |  | 218572 | A | $0 | 218572 | I | By Lightspeed General Partner Select II, L.P.<sup>(12)</sup> |
| Class A Common Stock | 2025-06-26 |  | J<sup>(13)</sup> |  | 218572 | D | $0 | 0 | I | By Lightspeed General Partner Select II, L.P.<sup>(12)</sup> |
| Class A Common Stock | 2025-06-26 |  | J<sup>(14)</sup> |  | 2004000 | D | $0 | 0 | I | By Lightspeed SPV I, LLC<sup>(3)</sup> |
| Class A Common Stock | 2025-06-26 |  | J<sup>(15)</sup> |  | 1274000 | D | $0 | 0 | I | By Lightspeed SPV I-B, LLC<sup>(4)</sup> |
| Class A Common Stock | 2025-06-26 |  | J<sup>(16)</sup> |  | 892000 | D | $0 | 0 | I | By Lightspeed SPV I-C, LLC<sup>(5)</sup> |
| Class A Common Stock | 2025-06-26 |  | J<sup>(17)</sup> |  | 400800 | A | $0 | 400800 | I | By LS SPV Management, LLC<sup>(18)</sup> |
| Class A Common Stock | 2025-06-26 |  | J<sup>(19)</sup> |  | 400800 | D | $0 | 0 | I | By LS SPV Management, LLC<sup>(18)</sup> |
| Class A Common Stock | 2025-06-26 |  | J<sup>(20)(21)</sup> |  | 16984 | A | $0 | 16984 | I | By Lightspeed Management Company, L.L.C.<sup>(22)</sup> |
| Class A Common Stock | 2025-06-26 |  | J<sup>(23)</sup> |  | 37961 | A | $0 | 59182 | D<sup>(24)</sup> |  |
| Class A Common Stock | 2025-06-26 |  | J<sup>(20)(21)</sup> |  | 166963 | A | $0 | 356242 | I | By Eggers Investments LP - Fund 2<sup>(25)</sup> |
| Class A Common Stock | 2025-06-26 |  | J<sup>(23)</sup> |  | 37961 | A | $0 | 59182 | D<sup>(26)</sup> |  |
| Class A Common Stock | 2025-06-26 |  | J<sup>(20)</sup> |  | 146773 | A | $0 | 396874 | I | By Nieh Family Investments LP - Fund 2<sup>(27)</sup> |
| Class A Common Stock | 2025-06-26 |  | J<sup>(21)</sup> |  | 20190 | A | $0 | 50331 | I | By Nieh Family Investments LP - Fund 4<sup>(28)</sup> |
| Class A Common Stock |  |  |  |  |  |  |  | 649 | I | By Nieh Family Investments LP - Fund 1<sup>(29)</sup> |
| Class A Common Stock |  |  |  |  |  |  |  | 8387 | I | By Nieh Family Investments LP - Fund 3<sup>(30)</sup> |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Class B Common Stock | <sup>(31)</sup> | 2025-06-26 |  | C |  |  | 4440000 | <sup>(31)</sup> | <sup>(31)</sup> | Class A Common Stock | 4440000 | $0 | 5549816 | D<sup>(1)</sup> |  |
| Class B Common Stock | <sup>(31)</sup> | 2025-06-26 |  | C |  |  | 1031000 | <sup>(31)</sup> | <sup>(31)</sup> | Class A Common Stock | 1031000 | $0 | 1288410 | I | By Lightspeed Venture Partners Select II, L.P.<sup>(2)</sup> |
| Class B Common Stock | <sup>(31)</sup> | 2025-06-26 |  | C |  |  | 2004000 | <sup>(31)</sup> | <sup>(31)</sup> | Class A Common Stock | 2004000 | $0 | 2507457 | I | By Lightspeed SPV I, LLC<sup>(3)</sup> |
| Class B Common Stock | <sup>(31)</sup> | 2025-06-26 |  | C |  |  | 1274000 | <sup>(31)</sup> | <sup>(31)</sup> | Class A Common Stock | 1274000 | $0 | 1973511 | I | By Lightspeed SPV I-B, LLC<sup>(4)</sup> |
| Class B Common Stock | <sup>(31)</sup> | 2025-06-26 |  | C |  |  | 892000 | <sup>(31)</sup> | <sup>(31)</sup> | Class A Common Stock | 892000 | $0 | 1381358 | I | By Lightspeed SPV I-C, LLC<sup>(5)</sup> |
| Class B Common Stock | <sup>(31)</sup> |  |  |  |  |  |  | <sup>(31)</sup> | <sup>(31)</sup> | Class A Common Stock | 101659 |  | 101659 | I | By Lightspeed Venture Partners X, L.P.<sup>(32)</sup> |

---

### Footnotes:

(1) Shares are held by Lightspeed Venture Partners IX, L.P. ("Lightspeed IX"). Lightspeed General Partner IX, L.P. ("LGP IX") is the general partner of Lightspeed IX. Lightspeed Ultimate General Partner IX, Ltd. ("LUGP IX") is the general partner of LGP IX. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP IX and share voting and dispositive power with respect to the shares held by Lightspeed IX. Each of LGP IX, LUGP IX and Messrs. Eggers and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Mhatre is a director of the Issuer and files separate Section 16 reports.

(2) Shares are held by Lightspeed Venture Partners Select II, L.P. ("Lightspeed Select II"). Lightspeed General Partner Select II, L.P. ("LGP Select II") is the general partner of Lightspeed Select II. Lightspeed Ultimate General Partner Select II, Ltd. ("LUGP Select II") is the general partner of LGP Select II. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP Select II and share voting and dispositive power with respect to the shares held by Lightspeed Select II. Each of LGP Select II, LUGP Select II and Messrs. Eggers and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Mhatre is a director of the Issuer and files separate Section 16 reports.

(3) Shares are held by Lightspeed SPV I, LLC ("Lightspeed SPV I"). LS SPV Management, LLC ("LS SPV") is the manager of Lightspeed SPV I. Barry Eggers, Ravi Mhatre and Peter Nieh are the managing members of LS SPV and share voting and dispositive power with respect to the shares held by Lightspeed SPV I. Each of LS SPV and Messrs. Eggers and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Mhatre is a director of the Issuer and files separate Section 16 reports.

(4) Shares are held by Lightspeed SPV I-B, LLC ("Lightspeed SPV I-B"). LS SPV is the manager of Lightspeed SPV I-B. Barry Eggers, Ravi Mhatre, and Peter Nieh are the managing members of LS SPV and share voting and dispositive power with respect to the shares held by Lightspeed SPV I-B. Each of LS SPV and Messrs. Eggers and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Mhatre is a director of the Issuer and files separate Section 16 reports.

(5) Shares are held by Lightspeed SPV I-C, LLC ("Lightspeed SPV I-C"). LS SPV is the manager of Lightspeed SPV I-C. Barry Eggers, Ravi Mhatre, and Peter Nieh are the managing members of LS SPV and share voting and dispositive power with respect to the shares held by Lightspeed SPV I-C. Each of LS SPV and Messrs. Eggers and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Mhatre is a director of the Issuer and files separate Section 16 reports.

(6) Represents an in-kind distribution by Lightspeed IX without consideration to its partners (including LGP IX).

(7) Represents receipt of shares in the distribution in kind described in footnote (6).

(8) Shares are held by LGP IX. LUGP IX is the general partner of LGP IX. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP IX and share voting and dispositive power with respect to the shares held by LGP IX. Each of LUGP IX and Messrs. Eggers and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Mhatre is a director of the Issuer and files separate Section 16 reports.

(9) Represents an in-kind distribution by LGP IX without consideration to its partners.

(10) Represents an in-kind distribution by Lightspeed Select II without consideration to its partners (including LGP Select II).

(11) Represents receipt of shares in the distribution in kind described in footnote (10).

(12) Shares are held by LGP Select II. LUGP Select II is the general partner of LGP Select II. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP Select II and share voting and dispositive power with respect to the shares held by LGP Select II. Each of LUGP Select II and Messrs. Eggers and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Mhatre is a director of the Issuer and files separate Section 16 reports.

(13) Represents an in-kind distribution by LGP Select II without consideration to its partners.

(14) Represents an in-kind distribution by Lightspeed SPV I without consideration to its members (including LS SPV).

(15) Represents an in-kind distribution by Lightspeed SPV I-B without consideration to its members.

(16) Represents an in-kind distribution by Lightspeed SPV I-C without consideration to its members.

(17) Represents receipt of shares in the distribution in kind described in footnote (14).

(18) Shares are held by LS SPV. Barry Eggers, Ravi Mhatre and Peter Nieh are the managing members of LS SPV and share voting and dispositive power with respect to the shares held by LS SPV. Each of Messrs. Eggers and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Mhatre is a director of the Issuer and files separate Section 16 reports.

(19) Represents an in-kind distribution by LS SPV without consideration to its members.

(20) Represents receipt of shares in the distribution in kind described in footnote (9).

(21) Represents receipt of shares in the distribution in kind described in footnote (13).

(22) Shares are held by Lightspeed Management Company, L.L.C. ("LMC"). Barry Eggers, Ravi Mhatre, and Peter Nieh are managing members of LMC and share voting and dispositive power with respect to the shares held by LMC. Each of Messrs. Eggers and Nieh disclaims beneficial ownership of these shares except to the extent of his respective pecuniary interest therein. Mr. Mhatre is a director of the Issuer and files separate Section 16 reports.

(23) Represents receipt of shares in the distribution in kind described in footnote (19).

(24) Shares are held by Barry Eggers.

(25) Barry Eggers serves as trustee of the general partner of Eggers Investments LP - Fund 2.

(26) Shares are held by Peter Nieh.

(27) Peter Nieh serves as co-trustee of the general partner of Nieh Family Investments LP - Fund 2.

(28) Peter Nieh serves as co-trustee of the general partner of Nieh Family Investments LP - Fund 4.

(29) Peter Nieh serves as co-trustee of the general partner of Nieh Family Investments LP - Fund 1.

(30) Peter Nieh serves as co-trustee of the general partner of Nieh Family Investments LP - Fund 3.

(31) Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.

(32) Shares are held by Lightspeed Venture Partners X, L.P. ("Lightspeed X"). Lightspeed General Partner X, L.P. ("LGP X") is the general partner of Lightspeed X. Lightspeed Ultimate General Partner X, Ltd. ("LUGP X") is the general partner of LGP X. Barry Eggers, Ravi Mhatre, and Peter Nieh are the directors of LUGP X and share voting and dispositive power with respect to the shares held by Lightspeed X. Each of LGP X, LUGP X and Messrs. Eggers and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Mhatre is a director of the Issuer and files separate Section 16 reports.

**Remarks:**
This Form 4 is the first of two Forms 4 filed relating to the same events. Combined, the two Form 4s report transactions for the following Reporting Persons: Lightspeed Venture Partners IX, L.P., Lightspeed General Partner IX, L.P., Lightspeed Ultimate General Partner IX, Ltd., Lightspeed SPV I, LLC, Lightspeed SPV I-B, LLC, Lightspeed SPV I-C, LLC, LS SPV Management, LLC, Lightspeed Venture Partners Select II, L.P., Lightspeed General Partner Select II, L.P., Lightspeed Ultimate General Partner Select II, Ltd., Barry Eggers and Peter Nieh.  This Form 4 has been split into two filings because there are more than 10 reporting persons in total, and the SEC's EDGAR filing system limits a single Form 4 to a maximum of 10 reporting persons.

**Signature:** Lightspeed Venture Partners IX, L.P., By: Lightspeed General Partner IX, L.P., its General Partner, By: Lightspeed Ultimate General Partner IX, Ltd., its General Partner, By /s/ Ravi Mhatre, Director  
**Date:** 2025-06-30

**Signature:** Lightspeed General Partner IX, L.P., By: Lightspeed Ultimate General Partner IX, Ltd., its General Partner, By /s/ Ravi Mhatre, Director  
**Date:** 2025-06-30

**Signature:** Lightspeed Ultimate General Partner IX, Ltd., By /s/ Ravi Mhatre, Director  
**Date:** 2025-06-30

**Signature:** Lightspeed Venture Partners Select II, L.P., By: Lightspeed General Partner Select II, L.P., its General Partner, By: Lightspeed Ultimate General Partner Select II, Ltd., its General Partner, By /s/ Ravi Mhatre, Director  
**Date:** 2025-06-30

**Signature:** Lightspeed General Partner Select II, L.P., By: Lightspeed Ultimate General Partner Select II, Ltd., its General Partner, By /s/ Ravi Mhatre, Director  
**Date:** 2025-06-30

**Signature:** Lightspeed Ultimate General Partner Select II, Ltd., By /s/ Ravi Mhatre, Director  
**Date:** 2025-06-30

**Signature:** Lightspeed SPV I, LLC, By: LS SPV Management, LLC, its Manager, By /s/ Ravi Mhatre, Managing Member  
**Date:** 2025-06-30

**Signature:** Lightspeed SPV I-B, LLC, By: LS SPV Management, LLC, its Manager, By /s/ Ravi Mhatre, Managing Member  
**Date:** 2025-06-30

**Signature:** Lightspeed SPV I-C, LLC, By: LS SPV Management, LLC, its Manager, By /s/ Ravi Mhatre, Managing Member  
**Date:** 2025-06-30

**Signature:** LS SPV Management, LLC, By /s/ Ravi Mhatre, Managing Member  
**Date:** 2025-06-30

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**