Ava Investors SA - 31 Mar 2026 Form 4 Insider Report for Blaize Holdings, Inc. (BZAI)

Reporting relationship: 10%+ Owner
Issuer ticker: BZAI
Reported as of: 31 Mar 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Apr 2026, 20:00:03 UTC
Prior SEC filing: 21 Jan 2025
Source filing: View source filing
Reporting owner signature: /s/ See Signatures Included in Exhibit 99.1

Key filing fact

Ava Investors SA filed Form 4 for Blaize Holdings, Inc. (BZAI) on 02 Apr 2026.

Key facts

This page summarizes Ava Investors SA's Form 4 filing for Blaize Holdings, Inc. (BZAI).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 02 Apr 2026, 20:00.

Change

Previous filing in this sequence was filed on 21 Jan 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (3)

CIK 0002048130 Primary reporting owner

Ava Investors SA

Relationship: 10%+ Owner
Address: RUE DU RHONE 78, GENEVA, SWITZERLAND
Signature: /s/ See Signatures Included in Exhibit 99.1
Signature date: 02 Apr 2026

CIK 0002048126

Ava Private Markets S.a r.l.

Relationship: 10%+ Owner
Address: 6, RUE DICKS L-1417, LUXEMBOURG, LUXEMBOURG
Signature: /s/ See Signatures Included in Exhibit 99.1
Signature date: 02 Apr 2026

CIK 0002048145

Mahieu Raphaelle

Relationship: 10%+ Owner
Address: RUE DU RHONE 78, GENEVA, SWITZERLAND
Signature: /s/ See Signatures Included in Exhibit 99.1
Signature date: 02 Apr 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

BZAI transaction

Common Stock

Other

Transaction value
Shares: -5,145,638
Change %: -30%
Price
Shares after: 11,737,254
Date: 31 Mar 2026
Ownership: See footnotes
Footnotes: F1, F2

BZAI transaction

Common Stock

Other

Transaction value
Shares: -5,145,638
Change %: -30%
Price
Shares after: 11,737,254
Date: 31 Mar 2026
Ownership: See footnotes
Footnotes: F1, F2

BZAI transaction

Common Stock

Other

Transaction value
Shares: -5,145,638
Change %: -30%
Price
Shares after: 11,737,254
Date: 31 Mar 2026
Ownership: See footnotes
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Section 16 status

Ava Investors SA is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.

Explanation of responses 2 footnotes

Footnote F1

The securities were distributed for no consideration.

Footnote F2

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.

SEC remarks

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