Blaize Holdings, Inc. (BZAI) Insider Ownership

Historic Insider Ownership Trends

Blaize Holdings's top three insider shareholders as of May 04, 2026 are Lane Bess (Director, 12.10Mn shares), Investors Sa Ava (TenPercentOwner, 11.74Mn shares), Dinakar Munagala (Chief Executive Officer, 551.42K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Lane Bess - 0 12,096,563 15 Jan, 2025
Investors Sa Ava - 0 11,737,254 02 Apr, 2026
Dinakar Munagala Chief Executive Officer 4,346,696 0 02 Jul, 2025
Dinakar Munagala Chief Executive Officer 4,346,696 0 02 Jul, 2025
Dinakar Munagala Chief Executive Officer 4,346,696 0 02 Jul, 2025
Dinakar Munagala Chief Executive Officer 551,422 0 20 Apr, 2026
Dinakar Munagala Chief Executive Officer 551,422 0 20 Apr, 2026
Harminder Sehmi Chief Financial Officer 381,600 0 22 Apr, 2026
Juergen Hambrecht - 378,757 0 05 Dec, 2025
Juergen Hambrecht - 378,757 0 05 Dec, 2025
Juergen Hambrecht - 378,757 0 05 Dec, 2025
Juergen Hambrecht - 378,757 0 05 Dec, 2025
Edward H. Frank - 378,757 0 05 Dec, 2025
Juergen Hambrecht - 378,757 0 05 Dec, 2025
Edward H. Frank - 378,757 0 05 Dec, 2025
Lane Bess - 206,591 0 02 Jul, 2025
Urioste George De - 169,619 0 05 Dec, 2025
Yoshiaki Fujimori - 169,619 0 05 Dec, 2025
Yoshiaki Fujimori - 169,619 0 05 Dec, 2025
Yoshiaki Fujimori - 169,619 0 05 Dec, 2025
Yoshiaki Fujimori - 169,619 0 05 Dec, 2025
Stephen Paul Patak Chief Revenue Officer 2,500 0 14 Apr, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
20 Apr, 2026 Harminder Sehmi Common Stock A 505,060 $0.57 505,060 D M
20 Apr, 2026 Harminder Sehmi Common Stock A 505,060 $0.57 505,060 D M
20 Apr, 2026 Harminder Sehmi Common Stock A 505,060 $0.57 505,060 D M
20 Apr, 2026 Harminder Sehmi Common Stock A 505,060 $0.57 505,060 D M
20 Apr, 2026 Harminder Sehmi Common Stock A 505,060 $0.57 505,060 D M
20 Apr, 2026 Harminder Sehmi Common Stock D 123,460 $2.28 381,600 D S
20 Apr, 2026 Harminder Sehmi Common Stock D 123,460 $2.28 381,600 D S
20 Apr, 2026 Harminder Sehmi Common Stock D 123,460 $2.28 381,600 D S
20 Apr, 2026 Harminder Sehmi Common Stock D 123,460 $2.28 381,600 D S
20 Apr, 2026 Harminder Sehmi Common Stock D 123,460 $2.28 381,600 D S
20 Apr, 2026 Harminder Sehmi Employee Stock Option (right to purchase) D 505,060 - 269,176 D M
20 Apr, 2026 Harminder Sehmi Employee Stock Option (right to purchase) D 505,060 - 269,176 D M
20 Apr, 2026 Harminder Sehmi Employee Stock Option (right to purchase) D 505,060 - 269,176 D M
20 Apr, 2026 Harminder Sehmi Employee Stock Option (right to purchase) D 505,060 - 269,176 D M
20 Apr, 2026 Harminder Sehmi Employee Stock Option (right to purchase) D 505,060 - 269,176 D M
17 Apr, 2026 Dinakar Munagala Common Stock A 50,000 $0.57 601,422 D M
17 Apr, 2026 Dinakar Munagala Common Stock D 50,000 $2.54 551,422 D S
17 Apr, 2026 Dinakar Munagala Employee Stock Option (right to purchase) D 50,000 - 4,100,347 D M
12 Apr, 2026 Stephen Paul Patak Common Stock A 2,500 - 2,500 D M
12 Apr, 2026 Stephen Paul Patak Restricted Stock Units D 2,500 $0.00 17,500 D M