Blaize Holdings, Inc. (BZAI) Insider Trading
Over the last 3 months, BZAI insiders made 0 open-market buys and 5 sales, a net sale of -$408K (SEC Form 4). Over the last 6 months, 91 institutions increased and 40 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
5
Net (3m)
-$408.0K
Insider trades by month Buys Sells
Apr
May
Jun
Jul
Context3-month price -73%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Aug 17, 2026 | Lauk Kurt Jdirector | Grant | 618,556 | — |
| Jul 13, 2026 | Patak Stephen Paulofficer: Chief Revenue Officer | Option | 2,500 | — |
| Jul 13, 2026 | Patak Stephen Paulofficer: Chief Revenue Officer | Tax | 609 | $1.23 |
| Jul 8, 2026 | Cannestra Anthonydirector | Sell | 50,000 | $1.35 |
| Jul 8, 2026 | Cannestra Anthonydirector | Option | 50,000 | $0.57 |
| Jul 6, 2026 | Sehmi Harminderofficer: Chief Financial Officer | Sell | 40,609 | $1.37 |
| Jun 10, 2026 | Munagala Dinakardirector, officer: Chief Executive Officer | Sell | 50,000 | $2.54 |
| Jun 10, 2026 | Cannestra Anthonydirector | Option | 50,000 | $0.57 |
| Jun 10, 2026 | Cannestra Anthonydirector | Sell | 50,000 | $1.68 |
| Jun 3, 2026 | Sehmi Harminderofficer: Chief Financial Officer | Sell | 40,609 | $1.82 |
| Jun 3, 2026 | Evans Kimberly Petersonofficer: General Counsel | Tax | 26,989 | $1.76 |
| Jun 3, 2026 | Evans Kimberly Petersonofficer: General Counsel | Option | 75,000 | — |
| May 12, 2026 | Cannestra Anthonydirector | Option | 50,000 | $0.57 |
| May 12, 2026 | Cannestra Anthonydirector | Sell | 50,000 | $1.85 |
| May 5, 2026 | Sehmi Harminderofficer: Chief Financial Officer | Sell | 40,609 | $1.97 |
| Apr 22, 2026 | Sehmi Harminderofficer: Chief Financial Officer | Sell | 123,460 | $2.28 |
| Apr 22, 2026 | Sehmi Harminderofficer: Chief Financial Officer | Option | 505,060 | $0.57 |
| Apr 20, 2026 | Munagala Dinakardirector, officer: Chief Executive Officer | Option | 50,000 | $0.57 |
| Apr 20, 2026 | Munagala Dinakardirector, officer: Chief Executive Officer | Sell | 50,000 | $2.54 |
| Apr 14, 2026 | Patak Stephen Paulofficer: Chief Revenue Officer | Option | 2,500 | — |
| Apr 8, 2026 | Cannestra Anthonydirector | Option | 50,000 | $0.57 |
| Apr 8, 2026 | Cannestra Anthonydirector | Sell | 50,000 | $1.75 |
| Dec 5, 2025 | Hambrecht Juergendirector | Grant | 75,258 | — |
| Dec 5, 2025 | FUJIMORI YOSHIAKIdirector | Grant | 75,258 | — |
| Dec 5, 2025 | Frank Edward H.director | Grant | 75,258 | — |
| Dec 5, 2025 | de Urioste Georgedirector | Grant | 75,258 | — |
| Dec 5, 2025 | Cannestra Anthonydirector | Grant | 75,258 | — |
| Sep 3, 2025 | Sehmi Harminderofficer: Chief Financial Officer | Grant | 200,000 | $3.57 |
| Jul 2, 2025 | de Urioste Georgedirector | Grant | 94,361 | — |
| Jul 2, 2025 | Cannestra Anthonydirector | Grant | 212,500 | — |
Source: BZAI SEC Form 4 filings, latest Aug 17, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their BZAI positions over the last 6 months (SEC Form 13F).
Increased
91
New positions
74
Reduced
40
Sold out
19
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 7.4M | Aug 7, 2026 |
| BLACKROCK, INC. | Increased | 5.6M | May 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 4.7M | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 3.6M | May 15, 2026 |
| TEMASEK HOLDINGS (PRIVATE) LTD | Reduced | 2.6M | May 12, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 2.1M | Aug 12, 2026 |
| LAZARD ASSET MANAGEMENT LLC | Increased | 2.0M | Aug 14, 2026 |
| CITADEL ADVISORS LLC | Increased | 1.8M | Aug 14, 2026 |
| UBS Group AG | Increased | 1.8M | Aug 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 1.8M | May 15, 2026 |
| MARSHALL WACE, LLP | New Position | 1.6M | Aug 13, 2026 |
| STATE STREET CORP | Increased | 1.6M | Aug 7, 2026 |
| UBS GROUP AG | Increased | 1.5M | May 5, 2026 |
| AQR CAPITAL MANAGEMENT LLC | Increased | 1.5M | Aug 14, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Increased | 1.4M | May 14, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.