MKSI- Mks Inc.
Mks Inc. (MKSI) has 12 insiders with recent SEC Form 4 filings, including 0 buys and 12 sells. MKSI is classified in the Electronic Equipment, Instruments & Components industry within the Information Technology sector.
Insider Ownership
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| CEO | 144.7K | $58.80M | - | |
| VP | 53.8K | $21.86M | - | |
| Dir | 40.0K | $16.26M | - | |
| COO | 19.4K | $7.89M | -4,281 | |
| Dir | 19.1K | $7.78M | -300 |
Activity
Buys and sells only
Transactions
10 filings
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 12, 2026 | Schreiner James Alan | EVP &COO | Sell | 3,500 | $345.82 | $1,210,370.07 | -5.6% | - | - | |
| Jun 10, 2026 | Schreiner James Alan | EVP &COO | Sell | 781 | $317.42 | $247,905.02 | -3.3% | - | - | |
| Jun 5, 2026 | McCarthy Michelle M73 | SVP &Chief Accounting Officer | Sell | 2,434 | $315.23 | $767,269.82 | -99.9% | - | - | |
| Jun 1, 2026 | Mora Elizabeth57 | Director | Sell | 300 | $318.02 | $95,406.00 | -1.5% | - | - | |
| Jun 1, 2026 | Henry David Philip67 | EVP, Global Str Mktg &Gm, Msd | Sell | 6,000 | $314.43 | $1,886,583.00 | -36.5% | - | - | |
| May 22, 2026 | Lee John Tseng-Chung | President &CEO | Sell | 10,000 | $315.48 | $3,154,800.00 | -6.5% | - | - | |
| May 22, 2026 | Mayampurath Ramakumar | EVP &CFO | Sell | 8,810 | $315.48 | $2,779,378.80 | -100.0% | - | - | |
| May 18, 2026 | Cannone Peter III | Director | Sell | 1,350 | $303.40 | $409,590.14 | -14.8% | - | - | |
| May 13, 2026 | Moloney Jacqueline F53 | Director | Sell | 1,400 | $318.99 | $446,586.00 | -12.5% | - | - | |
| Mar 12, 2026 | Moloney Jacqueline F53 | Director | Sell | 340 | $213.77 | $72,705.25 | -3.2% | +48.0% | - |
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