Robert F. Buesinger Net Worth
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Robert F. Buesinger has an estimated net worth of at least $11.1 million*, as of April 15, 2026. They own 34,482 shares of WLK stock. They have sold 56,510 shares of WLK stock since 2021, for an estimated $7.1 million.
Robert F. Buesinger $WLK SEC Form 4 Insider Trading
Robert F. Buesinger has filed a total of 11 insider trades in $WLK since 2021. Their most recent trade was a sale of 4,000 shares, made on Mar 27, 2026. Their largest trade was a sale of 22,555 shares, made on Mar 10, 2022. We estimate that they now own 34,482 shares of $WLK, worth an estimated $4.0 million.
Insider Trading at $WLK
There have been a total of 57 insider trades reported at $WLK since 2021, with 3,083 shares purchased and 329,941 shares sold. The most active insider traders in $WLK stock have been Albert Chao, Mark Steven Bender, and Robert F. Buesinger. The most recent trade was a sale of 4,000 shares reported by Robert F. Buesinger (EVP, PEM Segment Head), made on Mar 27, 2026.
History of Insider Stock Trades by Robert F. Buesinger
| Company Ticker | Purchase / Sale | Shares | Date | Disclosed (EST) |
|---|---|---|---|---|
WLK
|
Sale | 4,000 | Mar 27, 2026 | March 31, 2026, 9:48 a.m. |
|
WLK
|
Purchase | 83 | Apr 22, 2025 | June 9, 2025, 1:59 p.m. |
|
WLK
|
Sale | 83 | May 27, 2025 | June 9, 2025, 1:59 p.m. |
|
WLK
|
Sale | 3,500 | May 09, 2024 | May 13, 2024, 11:24 a.m. |
|
WLK
|
Sale | 3,878 | Mar 15, 2024 | March 18, 2024, 10:09 a.m. |
|
WLK
|
Sale | 122 | Mar 13, 2024 | March 14, 2024, 10:53 a.m. |
|
WLK
|
Sale | 4,215 | Nov 15, 2023 | Nov. 17, 2023, 9:28 a.m. |
|
WLK
|
Sale | 1,000 | Aug 31, 2022 | Sept. 1, 2022, 12:06 p.m. |
|
WLK
|
Sale | 14,427 | May 27, 2022 | May 31, 2022, 12:38 p.m. |
|
WLK
|
Sale | 22,555 | Mar 10, 2022 | March 14, 2022, 8:52 a.m. |
|
WLK
|
Sale | 2,730 | Mar 09, 2022 | March 10, 2022, 9:56 a.m. |
$WLK Executives and Stock Owners with Insider Trades
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Albert Chao, President & CEO
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Mark Steven Bender, EVP and CFO
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Robert F. Buesinger, EVP, HIP, IT & Digital
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Mark Steven Bender, EVP & CFO
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Albert Chao, Executive Chairman
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Robert F. Buesinger, EVP, PEM Segment Head
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Roger L. Kearns, COO and EVP - PEM
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L. Benjamin Ederington, EVP, GC, CAO and Secretary
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Johnathan Stevan Zoeller, VP & Chief Accounting Officer
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Johnathan Stevan Zoeller, VP and CAO
*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.