Track every registration update on the InsiderAlpha IPO tracker.
Updated Jul 16, 2026 · Last SEC filing 2026-07-13
Blaize Holdings, Inc. (BZAI) has filed 14 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-13. 4 Form 8-K material event filings were reported by BZAI in the last 90 days. 8 Form 144 notices of proposed sale were filed for BZAI stock. InsiderAlpha tracks every BZAI SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0001871638 |
|---|
| Form 4 filings (90d) | 14 |
|---|---|
| Form 8-K filings (90d) | 4 |
| Form 144 notices (90d) | 8 |
| Latest Form 4 filing | 2026-07-13 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Patak Stephen Paul | Chief Revenue Officer | F — Tax withholding / forfeiture | 609 | $1.23 | $749 | SEC | |
| Patak Stephen Paul | Chief Revenue Officer | M — Option exercise | 2.5K | $0.00 | — | SEC | |
| Bess Lane | Director | J — Other acquisition / disposition | 2.00M | $0.00 | — | SEC | |
| Cannestra Anthony | Director | M — Option exercise | 50.0K | $0.57 | $28K | SEC | |
| Cannestra Anthony | Director | S — Open-market sale | 50.0K | $1.35 | $68K | SEC | |
| Sehmi Harminder | Chief Financial Officer | S — Open-market sale | 40.6K | $1.37 | $56K | SEC | |
| Cannestra Anthony | Director | S — Open-market sale | 50.0K | $1.68 | $84K | SEC | |
| Cannestra Anthony | Director | M — Option exercise | 50.0K | $0.57 | $28K | SEC | |
| Sehmi Harminder | Chief Financial Officer | S — Open-market sale | 40.6K | $1.82 | $74K | SEC | |
| Evans Kimberly Peterson | General Counsel | M — Option exercise | 75.0K | — | — | SEC | |
| Evans Kimberly Peterson | General Counsel | F — Tax withholding / forfeiture | 27.0K | $1.76 | $48K | SEC | |
| Cannestra Anthony | Director | S — Open-market sale | 50.0K | $1.85 | $92K | SEC | |
| Cannestra Anthony | Director | M — Option exercise | 50.0K | $0.57 | $28K | SEC | |
| Bess Ventures & Advisory, LLC | 10% Owner | J — Other acquisition / disposition | 2.00M | $1.83 | $3.66M | SEC | |
| Bess Lane | Director | J — Other acquisition / disposition | 2.00M | — | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Blaize Holdings, Inc. (BZAI). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Cannestra Anthony | 9 | $330K |
| Sehmi Harminder | 6 | $779K |
| Munagala Dinakar | 4 | $282K |
| Patak Stephen Paul | 3 | $749 |
| Evans Kimberly Peterson | 3 | $48K |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in BZAI insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
Open the live BZAI dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.