Updated Jul 16, 2026 · Last SEC filing 2026-07-02
LyondellBasell Industries N.V. (LYB) has filed 19 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-02. 11 Form 8-K material event filings were reported by LYB in the last 90 days. 1 Form 144 notices of proposed sale were filed for LYB stock. InsiderAlpha tracks every LYB SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Industrial Organic Chemicals (SIC 2860) |
|---|---|
| SEC CIK | 0001489393 |
| Form 4 filings (90d) | 19 |
|---|---|
| Form 8-K filings (90d) | 11 |
| Form 144 notices (90d) | 1 |
| Latest Form 4 filing | 2026-07-02 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| KAMSKY VIRGINIA A | Insider | F — Tax withholding / forfeiture | 100 | $52.65 | $5K | SEC | |
| Karlin Bridget E | Insider | F — Tax withholding / forfeiture | 73 | $52.65 | $4K | SEC | |
| Karlin Bridget E | Insider | A — Grant or award | 615 | $0.00 | — | SEC | |
| KAMSKY VIRGINIA A | Insider | A — Grant or award | 561 | $0.00 | — | SEC | |
| FARLEY CLAIRE S | Insider | F — Tax withholding / forfeiture | 565 | $69.72 | $39K | SEC | |
| Karlin Bridget E | Insider | F — Tax withholding / forfeiture | 521 | $69.72 | $36K | SEC | |
| Hanley Michael Sean | Insider | F — Tax withholding / forfeiture | 540 | $69.72 | $38K | SEC | |
| Griffin Rita E | Insider | F — Tax withholding / forfeiture | 639 | $69.72 | $45K | SEC | |
| Benet Lincoln E | Insider | F — Tax withholding / forfeiture | 1.4K | $69.72 | $98K | SEC | |
| KAMSKY VIRGINIA A | Insider | F — Tax withholding / forfeiture | 593 | $69.72 | $41K | SEC | |
| CHASE ANTHONY R | Insider | F — Tax withholding / forfeiture | 540 | $69.72 | $38K | SEC | |
| Manifold Albert Jude | Insider | F — Tax withholding / forfeiture | 689 | $69.72 | $48K | SEC | |
| Buchanan Robin W.T. | Insider | F — Tax withholding / forfeiture | 1.2K | $69.72 | $87K | SEC | |
| Dudley Robert W. | Insider | F — Tax withholding / forfeiture | 708 | $69.72 | $49K | SEC | |
| AIGRAIN JACQUES | Insider | F — Tax withholding / forfeiture | 575 | $69.72 | $40K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for LyondellBasell Industries N.V. (LYB). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| KAMSKY VIRGINIA A | 4 | $47K |
| Karlin Bridget E | 4 | $40K |
| CHASE ANTHONY R | 2 | $38K |
| AIGRAIN JACQUES | 2 | $40K |
| FARLEY CLAIRE S | 2 | $39K |
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 LYB 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 |
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