Company profile
Blaize Holdings, Inc. Insider Trading
BZAIEvery SEC Form 4 insider trading filing for Blaize Holdings, Inc. (BZAI) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- Nasdaq
- Sector
- Semiconductors & Related Devices
- CIK
- 0001871638
- Filings
- 39
- Insiders
- 15
- Last filing
- 2026-08-13
Activity summary
Recent insider activity is bullish. Over the last 30 days, 1 insider purchased shares. Buying was led by Lauk Kurt J.
Quarterly balance
Buy and sell value by quarter, Q2 25 to Q3 26. Blaize Holdings, Inc. insiders are net sellers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $874K.
90 day insight
Over the last 90 days, Blaize Holdings, Inc. insiders bought $0 (5 transactions) and sold $48K (2 transactions).
- Most active insider: Cannestra Anthony with 6 transactions totaling $209K.
- Largest single sale: $84K by Cannestra Anthony on Jun 8, 2026.
- 67% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.
Activity skews bullish — buys outpace sales.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 13, 2026 | Lauk Kurt J | BZAI | Award | 618,556 | — | — |
| Jul 12, 2026 | Patak Stephen Paul | BZAI | Option Exercise | 2,500 | — | — |
| Jul 12, 2026 | Patak Stephen Paul | BZAI | Tax Withholding | 609 | $1.23 | $749 |
| Jul 12, 2026 | Patak Stephen Paul | BZAI | Option Exercise | 2,500 | — | — |
| Jul 7, 2026 | Bess Lane | BZAI | J | 2,000,000 | — | — |
45 more transactions hidden
Free account · No credit card required
Building something? Get API access →
Query this yourself
The same rows, over the API.
curl "https://api.form4api.com/v1/transactions?ticker=BZAI" \
-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Blaize Holdings, Inc. as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →