James Alan Schreiner Net Worth
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James Alan Schreiner has an estimated net worth of at least $10.5 million*, as of yesterday. They own 20,230 shares of MKSI stock. They have sold 10,887 shares of MKSI stock since 2021, for an estimated $2.8 million.
James Alan Schreiner $MKSI SEC Form 4 Insider Trading
James Alan Schreiner has filed a total of 8 insider trades in $MKSI since 2021. Their most recent trade was a sale of 2,471 shares, made on Jun 12, 2026. Their largest trade was a sale of 4,100 shares, made on Feb 24, 2026. We estimate that they now own 20,230 shares of $MKSI, worth an estimated $7.7 million.
Insider Trading at $MKSI
There have been a total of 95 insider trades reported at $MKSI since 2021, with 3,750 shares purchased and 4.3 million shares sold. The most active insider traders in $MKSI stock have been James Alan Schreiner, John Tseng-Chung Lee, and Seth H Bagshaw. The most recent trade was a sale of 217 shares reported by James Alan Schreiner (EVP & COO), made on Jun 12, 2026.
History of Insider Stock Trades by James Alan Schreiner
| Company Ticker | Purchase / Sale | Shares | Date | Disclosed (EST) |
|---|---|---|---|---|
MKSI
|
Sale | 2,471 | Jun 12, 2026 | June 16, 2026, 5:35 p.m. |
|
MKSI
|
Sale | 217 | Jun 12, 2026 | June 16, 2026, 5:35 p.m. |
|
MKSI
|
Sale | 812 | Jun 12, 2026 | June 16, 2026, 5:35 p.m. |
|
MKSI
|
Sale | 781 | Jun 10, 2026 | June 11, 2026, 10:40 a.m. |
|
MKSI
|
Sale | 4,100 | Feb 24, 2026 | Feb. 25, 2026, 12:50 p.m. |
|
MKSI
|
Sale | 711 | Oct 22, 2025 | Oct. 23, 2025, 2:43 p.m. |
|
MKSI
|
Sale | 838 | Sep 18, 2025 | Sept. 19, 2025, 2:21 p.m. |
|
MKSI
|
Sale | 957 | Jul 07, 2025 | July 8, 2025, 4:45 p.m. |
$MKSI Executives and Stock Owners with Insider Trades
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James Alan Schreiner, EVP & COO
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John Tseng-Chung Lee, President & CEO
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Seth H Bagshaw, EVP, CFO & Treasurer
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David Philip Henry, EVP, Global Str Mktg & GM, MSD
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Kathleen Flaherty Burke, EVP, GC & Secretary
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David Philip Henry, EVP, Operations & Corp Mktg
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Eric Robert Taranto, EVP & GM, VSD
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John Edward Williams, EVP & GM, PSD
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Michelle M Mccarthy, VP & Chief Accounting Officer
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James Alan Schreiner, EVP & COO, MSD
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Michelle M Mccarthy, SVP & Chief Accounting Officer
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Ramakumar Mayampurath, EVP & CFO
*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.