• Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • Settings
  • RSS Feeds
Quantisnow Logo
  • Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • Settings
  • RSS Feeds
PublishGo to App
    Quantisnow Logo

    © 2026 quantisnow.com
    Democratizing insights since 2022

    Services
    Live news feedsRSS FeedsAlertsPublish with Us
    Company
    AboutQuantisnow PlusContactJobsAI superconnector for talent & startupsNEWLLM Arena
    Legal
    Terms of usePrivacy policyCookie policy

    EVP, PEM Segment Head Buesinger Robert F. bought $7,751 worth of shares (83 units at $93.39) and sold $6,034 worth of shares (83 units at $72.70) (SEC Form 4)

    6/9/25 1:59:50 PM ET
    $WLK
    Major Chemicals
    Industrials
    Get the next $WLK alert in real time by email
    SEC FORM 4 SEC Form 4
    FORM 4 UNITED 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*
    Buesinger Robert F.

    (Last) (First) (Middle)
    2801 POST OAK BLVD., STE. 600

    (Street)
    HOUSTON TX 77056

    (City) (State) (Zip)
    2. Issuer Name and Ticker or Trading Symbol
    WESTLAKE CORP [ WLK ]
    5. Relationship of Reporting Person(s) to Issuer
    (Check all applicable)
    Director 10% Owner
    X Officer (give title below) Other (specify below)
    EVP, PEM Segment Head
    3. Date of Earliest Transaction (Month/Day/Year)
    04/22/2025
    4. If Amendment, Date of Original Filed (Month/Day/Year)
    6. Individual or Joint/Group Filing (Check Applicable Line)
    X Form filed by One Reporting Person
    Form filed by More than One Reporting Person
    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)
    Code V Amount (A) or (D) Price
    Common Stock 04/22/2025 P 83 A $93.39 83 I by trust(1)
    Common Stock 05/27/2025 S 83 D $72.7 0 I by trust(1)
    Common Stock 34,932 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)
    Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
    Explanation of Responses:
    1. These shares are held in a trust for the benefit of the reporting person and his family. The reporting person serves as co-trustee.The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.
    Robert F. Buesinger by J Feng POA 06/09/2025
    ** Signature of Reporting Person Date
    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.
    Get the next $WLK alert in real time by email

    Crush Q1 2026 with the Best AI Superconnector

    Stay ahead of the competition with Standout.work - your AI-powered talent-to-startup matching platform.

    AI-Powered Inbox
    Context-aware email replies
    Strategic Decision Support
    Get Started with Standout.work

    Recent Analyst Ratings for
    $WLK

    DatePrice TargetRatingAnalyst
    5/27/2026$95.00Buy → Neutral
    Citigroup
    5/18/2026$90.00Underweight → Neutral
    Analyst
    5/6/2026$90.00Neutral → Underweight
    Analyst
    4/20/2026$120.00Buy → Hold
    Deutsche Bank
    4/6/2026$119.00Buy → Neutral
    BofA Securities
    3/5/2026$127.00Market Perform → Outperform
    BMO Capital Markets
    2/9/2026$88.00Outperform → Neutral
    Mizuho
    11/3/2025Neutral → Buy
    BofA Securities
    More analyst ratings

    $WLK
    SEC Filings

    View All

    SEC Form 8-K filed by Westlake Corporation

    8-K - WESTLAKE CORP (0001262823) (Filer)

    5/18/26 5:00:15 PM ET
    $WLK
    Major Chemicals
    Industrials

    SEC Form SD filed by Westlake Corporation

    SD - WESTLAKE CORP (0001262823) (Filer)

    5/18/26 5:00:29 PM ET
    $WLK
    Major Chemicals
    Industrials

    SEC Form 10-Q filed by Westlake Corporation

    10-Q - WESTLAKE CORP (0001262823) (Filer)

    5/6/26 1:49:42 PM ET
    $WLK
    Major Chemicals
    Industrials

    $WLK
    Insider Trading

    Insider transactions reveal critical sentiment about the company from key stakeholders. See them live in this feed.

    View All

    EVP & CFO Bender Mark Steven converted options into 13,164 shares and covered exercise/tax liability with 5,284 shares, increasing direct ownership by 28% to 35,895 units (SEC Form 4) to cover withholding tax

    4 - WESTLAKE CORP (0001262823) (Issuer)

    5/14/26 12:33:47 PM ET
    $WLK
    Major Chemicals
    Industrials

    SEC Form 4 filed by Powers Brian John

    4 - WESTLAKE CORP (0001262823) (Issuer)

    4/6/26 8:02:33 AM ET
    $WLK
    Major Chemicals
    Industrials

    SEC Form 3 filed by new insider Powers Brian John

    3 - WESTLAKE CORP (0001262823) (Issuer)

    4/2/26 3:13:24 PM ET
    $WLK
    Major Chemicals
    Industrials

    $WLK
    Insider Purchases

    Insider purchases reveal critical bullish sentiment about the company from key stakeholders. See them live in this feed.

    View All

    EVP, PEM Segment Head Buesinger Robert F. bought $7,751 worth of shares (83 units at $93.39) and sold $6,034 worth of shares (83 units at $72.70) (SEC Form 4)

    4 - WESTLAKE CORP (0001262823) (Issuer)

    6/9/25 1:59:50 PM ET
    $WLK
    Major Chemicals
    Industrials

    $WLK
    Analyst Ratings

    Analyst ratings in real time. Analyst ratings have a very high impact on the underlying stock. See them live in this feed.

    View All

    Westlake Corporation downgraded by Citigroup with a new price target

    Citigroup downgraded Westlake Corporation from Buy to Neutral and set a new price target of $95.00

    5/27/26 8:42:14 AM ET
    $WLK
    Major Chemicals
    Industrials

    Westlake Corporation upgraded by Analyst with a new price target

    Analyst upgraded Westlake Corporation from Underweight to Neutral and set a new price target of $90.00

    5/18/26 8:30:48 AM ET
    $WLK
    Major Chemicals
    Industrials

    Westlake Corporation downgraded by Analyst with a new price target

    Analyst downgraded Westlake Corporation from Neutral to Underweight and set a new price target of $90.00

    5/6/26 7:34:35 AM ET
    $WLK
    Major Chemicals
    Industrials

    $WLK
    Press Releases

    Fastest customizable press release news feed in the world

    View All

    Westlake Corporation Declares Quarterly Dividend

    $0.53 per share dividend declared payable on June 11, 2026 The Board of Directors of Westlake Corporation (NYSE:WLK) today declared a regular dividend distribution of $0.53 per share for the first quarter of 2026. This dividend will be payable on June 11, 2026 to stockholders of record on May 27, 2026. Westlake announced its first dividend on November 11, 2004 and has successively been paying and increasing its dividend for the past 22 years. The statements in this release that are not historical facts, including statements regarding future payment of dividend, are forward-looking statements. These forward-looking statements are subject to significant risks and uncertainties. For more

    5/15/26 4:15:00 PM ET
    $WLK
    Major Chemicals
    Industrials

    Westlake Corporation Reports First Quarter 2026 Results

    Westlake Corporation (NYSE:WLK) (the "Company" or "Westlake") today announced first quarter 2026 results. SUMMARY FINANCIAL HIGHLIGHTS (in millions of dollars, except per share data and percentages)       Three Months Ended March 31, 2026   Three Months Ended December 31, 2025   Three Months Ended March 31, 2025               Westlake Corporation             Net sales   $ 2,652     $ 2,533     $ 2,846   Loss from operations   $ (172 )

    5/5/26 6:30:00 AM ET
    $WLK
    Major Chemicals
    Industrials

    Westlake Epoxy's Deer Park, Texas, Site Achieves ISCC PLUS Certification, Expanding EpoVIVE™ Mass Balance Offering Across Europe and the U.S.

    Westlake Corporation (NYSE:WLK) today announced that its Westlake Epoxy plant in Deer Park, Texas, has received International Sustainability & Carbon Certification (ISCC) PLUS. The certification covers liquid epoxy resins (LER), solid epoxy resins (SER), and liquid epoxy blends that combine LER with reactive modifiers, serving key end-use segments such as industrial coatings, construction, wind energy, composites, automotive and electronics. Starting today, existing and new customers will have access to these ISCC+ mass balance-attributed content of certified renewable feedstock. These solutions support sustainability objectives while maintaining the same quality, performance, and specifica

    5/4/26 8:00:00 AM ET
    $WLK
    Major Chemicals
    Industrials

    $WLK
    Large Ownership Changes

    This live feed shows all institutional transactions in real time.

    View All

    SEC Form SC 13G/A filed by Westlake Corporation (Amendment)

    SC 13G/A - WESTLAKE CORP (0001262823) (Subject)

    2/14/24 4:15:51 PM ET
    $WLK
    Major Chemicals
    Industrials

    SEC Form SC 13G/A filed by Westlake Corporation (Amendment)

    SC 13G/A - WESTLAKE CORP (0001262823) (Subject)

    1/18/23 4:24:09 PM ET
    $WLK
    Major Chemicals
    Industrials

    SEC Form SC 13G/A filed by Westlake Chemical Corporation (Amendment)

    SC 13G/A - WESTLAKE CHEMICAL CORP (0001262823) (Subject)

    1/21/22 5:30:23 PM ET
    $WLK
    Major Chemicals
    Industrials

    $WLK
    Leadership Updates

    Live Leadership Updates

    View All

    Westlake Corporation Appoints Jonathan H. Baksht as Senior Vice President and Chief Financial Officer

    Westlake Corporation (NYSE:WLK) (the "Company" or "Westlake") announced today that Mr. Jonathan H. Baksht will be joining the company as Senior Vice President and Chief Financial Officer, reporting to Mr. Jean-Marc Gilson, Westlake's President and Chief Executive Officer. Mr. Baksht succeeds Mr. M. Steven Bender, who, as previously disclosed, will retire by the end of the year and, effective June 15, 2026, will transition from his position as Executive Vice President and Chief Financial Officer of the Company to the position of Special Advisor to the President of the Company. Mr. Baksht most recently served as Executive Vice President and Chief Financial Officer of Fortune Brands Innovati

    4/20/26 5:00:00 PM ET
    $WLK
    Major Chemicals
    Industrials

    Westlake Corporation Appoints New Directors to its Board

    Westlake Corporation (NYSE:WLK) announced that Mr. Bhavesh V. "Bob" Patel and Mr. Jean-Marc Gilson, the President and Chief Executive Officer of the Company, have been elected to the company's board of directors, effective February 20, 2026. "We are very pleased to welcome Bob to our board," said Westlake Corporation Executive Chairman Albert Chao. "He brings a wealth of experience and in-depth knowledge of the chemicals and building materials industries and adds to the already deep expertise our board has in this area. We are also pleased to welcome Jean-Marc to the board in recognition of his continued leadership of the company. His presence on the board is expected to further enhance c

    2/23/26 4:45:00 PM ET
    $WLK
    Major Chemicals
    Industrials

    Westlake Corporation Appoints New Director to its Board

    Westlake Corporation (NYSE:WLK) today announced that Mr. Roger A. Cregg has been appointed to the company's board of directors. Mr. Cregg succeeds Mr. Marius A. Haas who, as previously disclosed, informed the board that he intended to retire from the board effective upon the appointment of his successor. Mr. Haas' retirement from the board was effective on December 10, 2024. "We are delighted that Roger has agreed to join our board," said Westlake Corporation Executive Chairman Albert Chao. "He brings a unique combination of experience and in-depth knowledge about the home building and other industries. We look forward to working with him as he shares his perspectives with the board. We w

    12/10/24 6:54:00 PM ET
    $WLK
    Major Chemicals
    Industrials

    $WLK
    Financials

    Live finance-specific insights

    View All

    Westlake Corporation Declares Quarterly Dividend

    $0.53 per share dividend declared payable on June 11, 2026 The Board of Directors of Westlake Corporation (NYSE:WLK) today declared a regular dividend distribution of $0.53 per share for the first quarter of 2026. This dividend will be payable on June 11, 2026 to stockholders of record on May 27, 2026. Westlake announced its first dividend on November 11, 2004 and has successively been paying and increasing its dividend for the past 22 years. The statements in this release that are not historical facts, including statements regarding future payment of dividend, are forward-looking statements. These forward-looking statements are subject to significant risks and uncertainties. For more

    5/15/26 4:15:00 PM ET
    $WLK
    Major Chemicals
    Industrials

    Westlake Corporation Reports First Quarter 2026 Results

    Westlake Corporation (NYSE:WLK) (the "Company" or "Westlake") today announced first quarter 2026 results. SUMMARY FINANCIAL HIGHLIGHTS (in millions of dollars, except per share data and percentages)       Three Months Ended March 31, 2026   Three Months Ended December 31, 2025   Three Months Ended March 31, 2025               Westlake Corporation             Net sales   $ 2,652     $ 2,533     $ 2,846   Loss from operations   $ (172 )

    5/5/26 6:30:00 AM ET
    $WLK
    Major Chemicals
    Industrials

    Westlake Announces First Quarter 2026 Conference Call

    Westlake Corporation (NYSE:WLK) will release its first quarter 2026 earnings prior to the market opening on Tuesday, May 5, 2026. The company will host a conference call at 11:00 a.m. Eastern Time (10:00 a.m. Central Time) on the same day to discuss the earnings release. To access the conference by phone, it is necessary to pre-register at https://register-conf.media-server.com/register/BI34ea020237b448069214d7ccf868ece8. Once registered, you will receive a phone number and unique PIN number. When you dial in, you will input the PIN number to be placed into the call. The conference call and replay will be available via webcast at https://edge.media-server.com/mmc/p/p33g6sjv and the earn

    4/21/26 9:00:00 AM ET
    $WLK
    Major Chemicals
    Industrials