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  4. [Form 4] LyondellBasell Industries N.V. Insider Trading Activity

LyondellBasell (LYB) director gets stock grant, covers taxes with shares

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

LyondellBasell Industries N.V. director Virginia A. Kamsky reported routine equity compensation activity in Class A Ordinary Shares. On June 30, she had 100 shares withheld at $52.65 per share to cover tax obligations and received a grant of 561 shares at no cost, leaving her with 10,383 shares directly held.

A footnote explains she elected to receive company stock instead of cash for her annual retainer, with shares calculated using an average price of $68.99 over the applicable quarter. Her holdings also include 2,321 restricted stock units that are scheduled to vest on May 21, 2027.

Positive

  • None.

Negative

  • None.
Insider KAMSKY VIRGINIA A
Role null
Type Security Shares Price Value
Grant/Award Class A Ordinary Shares 561 $0.00 --
Tax Withholding Class A Ordinary Shares 100 $52.65 $5K
Holdings After Transaction: Class A Ordinary Shares — 10,383 shares (Direct, null)
Footnotes (1)
  1. Prior to the beginning of the year, the reporting person elected to receive common stock in lieu of cash for her annual retainer, which is paid in quarterly installments. The number of shares issued was calculated based on $68.99, which is the average of the daily closing prices of the issuer's shares over the applicable quarter. Includes 2,321 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan that vest on May 21, 2027.
Tax withholding shares 100 shares Withheld on June 30, 2026 at $52.65 per share
Tax withholding price $52.65 per share Value used for 100-share tax-withholding disposition
Share grant 561 shares Compensation grant on June 30, 2026 at $0.00
Shares after transactions 10,383 shares Director’s direct holdings following June 30, 2026 activity
RSUs outstanding 2,321 RSUs Restricted stock units vesting on May 21, 2027
Retainer pricing basis $68.99 Average closing price used to calculate stock retainer shares
restricted stock units financial
"Includes 2,321 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
long-term incentive plan financial
"RSUs granted pursuant to the issuer's long-term incentive plan that vest on May 21, 2027"
A long-term incentive plan is a company program that pays executives or employees with stock, options, or cash tied to multi-year performance goals, where the rewards become theirs only after meeting conditions over time. Think of it as a delayed bonus or retirement-style reward that aligns employees’ interests with shareholders by encouraging them to boost long-term value; investors watch these plans because they affect pay costs, share dilution and management incentives.
tax-withholding disposition financial
"transaction_action": "tax-withholding disposition"
A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.
grant, award, or other acquisition financial
"transaction_code_description": "Grant, award, or other acquisition"
annual retainer financial
"elected to receive common stock in lieu of cash for her annual retainer"
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Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
KAMSKY VIRGINIA A
(Last)(First)(Middle)
4TH FLOOR
ONE VINE STREET
(Street)
LONDONUNITED KINGDOMW1J 0AH
(City)(State)(Zip)
UNITED KINGDOM
(Country)		2. Issuer Name and Ticker or Trading Symbol
LyondellBasell Industries N.V. [ LYB ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/30/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Class A Ordinary Shares06/30/2026A561(1)A$0.0010,383(2)D
Class A Ordinary Shares06/30/2026F100D$52.6510,283(2)D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. Prior to the beginning of the year, the reporting person elected to receive common stock in lieu of cash for her annual retainer, which is paid in quarterly installments. The number of shares issued was calculated based on $68.99, which is the average of the daily closing prices of the issuer's shares over the applicable quarter.
2. Includes 2,321 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan that vest on May 21, 2027.
Remarks:
/s/ Lara A. Mason, Attorney-in-Fact07/02/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transactions did LyondellBasell (LYB) director Virginia Kamsky report?

Virginia A. Kamsky reported routine compensation-related transactions: 100 shares were withheld to cover tax obligations and she received a grant of 561 Class A Ordinary Shares. After these transactions, she directly held a total of 10,383 LyondellBasell shares.

Did the LyondellBasell (LYB) director buy or sell shares on the open market?

The filing shows no open-market buying or selling. Shares were withheld to pay taxes and additional shares were granted as compensation. These are administrative equity events, not discretionary market trades, and typically reflect normal board compensation processes.

How many LyondellBasell (LYB) shares does the director hold after the Form 4?

Following the reported transactions, Virginia A. Kamsky directly holds 10,383 Class A Ordinary Shares of LyondellBasell. This figure reflects both the 100 shares withheld for taxes and the 561-share grant that she received on the same reported date.

What is the role of restricted stock units (RSUs) in this LyondellBasell (LYB) filing?

The filing notes that Virginia A. Kamsky holds 2,321 restricted stock units under LyondellBasell’s long-term incentive plan. These RSUs are scheduled to vest on May 21, 2027, potentially adding to her share ownership when they convert into common stock.

How was the LyondellBasell (LYB) director’s stock retainer value determined?

The director elected to receive common stock instead of cash for her annual retainer. The number of shares issued was based on an average price of $68.99, calculated from the daily closing prices of LyondellBasell shares over the relevant quarter.