# EDGAR Filing Document

**Accession Number:** 0002048126
**File Stem:** 0001193125-26-140862
**Filing Date:** 2026-4
**Character Count:** 11046
**Document Hash:** 373c65b8c80e793023da9f931370a906
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-140862.hdr.sgml**: 20260402

**ACCESSION NUMBER**: 0001193125-26-140862

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20260331

**FILED AS OF DATE**: 20260402

**DATE AS OF CHANGE**: 20260402

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Ava Private Markets S.a r.l.
- **CENTRAL INDEX KEY:** 0002048126

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** V8
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-41139
- **FILM NUMBER:** 26836400

**BUSINESS ADDRESS:**
- **STREET 1:** 6, RUE DICKS
- **CITY:** LUXEMBOURG
- **STATE:** N4
- **ZIP:** L-1417
- **BUSINESS PHONE:** 41 79 893 39 76

**MAIL ADDRESS:**
- **STREET 1:** 6, RUE DICKS
- **CITY:** LUXEMBOURG
- **STATE:** N4
- **ZIP:** L-1417
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Mahieu Raphaelle
- **CENTRAL INDEX KEY:** 0002048145

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-41139
- **FILM NUMBER:** 26836399

**MAIL ADDRESS:**
- **STREET 1:** RUE DU RHONE 78
- **CITY:** GENEVA
- **STATE:** V8
- **ZIP:** 1204
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Ava Investors SA
- **CENTRAL INDEX KEY:** 0002048130

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** V8
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-41139
- **FILM NUMBER:** 26836401

**BUSINESS ADDRESS:**
- **STREET 1:** RUE DU RHONE 78
- **CITY:** GENEVA
- **STATE:** V8
- **ZIP:** 1204
- **BUSINESS PHONE:** 41 78 222 01 27

**MAIL ADDRESS:**
- **STREET 1:** RUE DU RHONE 78
- **CITY:** GENEVA
- **STATE:** V8
- **ZIP:** 1204
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Blaize Holdings, Inc.
- **CENTRAL INDEX KEY:** 0001871638
- **STANDARD INDUSTRIAL CLASSIFICATION:** SEMICONDUCTORS & RELATED DEVICES [3674]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 4659 GOLDEN FOOTHILL PARKWAY, SUITE 206
- **CITY:** EL DORADO HILLS
- **STATE:** CA
- **ZIP:** 95762
- **BUSINESS PHONE:** (916) 347-0050

**MAIL ADDRESS:**
- **STREET 1:** 4659 GOLDEN FOOTHILL PARKWAY, SUITE 206
- **CITY:** EL DORADO HILLS
- **STATE:** CA
- **ZIP:** 95762

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BurTech Acquisition Corp.
- **DATE OF NAME CHANGE:** 20210708

## Exhibit 99.1

**EXHIBIT 99.1**

This Statement on Form 4 is filed jointly by the Reporting Persons listed below. The principal business address of these Reporting Persons can be found on the Form 4 filed herewith.

Name of Designated Filer: Ava Investors S.A.

Date of Event Requiring Statement: March 31, 2026

Issuer Name and Ticker or Trading Symbol: Blaize Holdings, Inc. [ BZAI ]

---

| | |
|:---|:---|
| Ava Investors S.A. | Ava Investors S.A. |
| By: | /s/ Raphaëlle Mahieu |
| Name: | Raphaëlle Mahieu |
| Title: | Director |
| By: | /s/ Benjamin Hazan |
| Name: | Benjamin Hazan |
| Title: | Director |
| Ava Private Markets S.à r.l., acting in respect of its Compartment Blaize <sup>(1)</sup> | Ava Private Markets S.à r.l., acting in respect of its Compartment Blaize <sup>(1)</sup> |
| By: | /s/ Raphaëlle Mahieu |
| Name: | Raphaëlle Mahieu |
| Title: | Manager, Class A |
| By: | /s/ Olivier Lansac |
| Name: | Olivier Lansac |
| Title: | Manager, Class B |
| Raphaëlle Mahieu | Raphaëlle Mahieu |
| By:  | /s/ Raphaëlle Mahieu |
| Benjamin Hazan | Benjamin Hazan |
| By:  | /s/ Benjamin Hazan  |

---

------

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1)Ava Private Markets S.à r.l. is a private limited liability company (*société à responsabilité limitée*) incorporated under the laws of the Grand Duchy of Luxembourg, with its registered office at 6, Rue Dicks, L-1417 Luxembourg, and registered with the Luxembourg Trade and Companies Register (*Registre de Commerce et des Sociétés, Luxembourg*) under number B283362.

------

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[x] 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>Ava Investors SA<br><sub>(Last) (First) (Middle)</sub><br>RUE DU RHONE 78<br><sub>(Street)</sub><br>GENEVA, SWITZERLAND 1204<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-03-31 | **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>Blaize Holdings, Inc. [ BZAI ] | **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>Ava Private Markets S.a r.l.<br><sub>(Last) (First) (Middle)</sub><br>6, RUE DICKS L-1417<br><sub>(Street)</sub><br>LUXEMBOURG, LUXEMBOURG <br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-03-31 | **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>Blaize Holdings, Inc. [ BZAI ] | **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>Mahieu Raphaelle<br><sub>(Last) (First) (Middle)</sub><br>RUE DU RHONE 78<br><sub>(Street)</sub><br>GENEVA, SWITZERLAND 1204<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-03-31 | **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>Blaize Holdings, Inc. [ BZAI ] | **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 |
| Common Stock | 2026-03-31 |  | J<sup>(1)</sup> |  | 5145638 | D | <sup>(1)</sup> | 11737254<sup>(2)</sup> | I | See footnotes<sup>(2)</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 |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) The securities were distributed for no consideration.

(2) Consists of 11,737,254 shares of Common Stock of the Issuer held by Ava Private Markets S.a r.l. ("Ava Private Markets") and affiliates. Ava Investors S.A. is the investment manager of Ava Private Markets and exercises investment power with respect to the securities held by Ava Private Markets. Raphaelle Mahieu and Benjamin Hazan may be deemed to exercise investment power with respect to the securities. Each of the persons above disclaims any beneficial ownership of the securities, except to the extent of any pecuniary interest therein.  Excludes securities beneficially owned by Barthelemy Debray.  Mr. Debray no longer serves as a director or manager of Ava Investors S.A. or Ava Private Markets S.a r.l., respectively, and has ceased to be a Reporting Person for purposes of this Form 4.

**Remarks:**
See Exhibit 99.1 for Signatures of the Reporting Persons Filing this Form 4.

**Signature:** /s/ See Signatures Included in Exhibit 99.1  
**Date:** 2026-04-02

### 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.**