Insider · CIK 0001797189
James Alan Schreiner
cooofficer
Files at MKSI (MKS INC). First filing Jul 8, 2025, latest Sep 19, 2025.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 2
$0 bought, $202k sold
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
MKSI: MKS INC
MKSIOct 9, 2026 · close 264.50
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 18Weak | MKS INC | $104k 838 shares | -3% | +122% from low0% from high | |
| 18Weak | MKS INC | $98k 957 shares | -4% | +74% from low-16% from high |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 18, 2025 | MKSI MKS INC | SOpen-market sale Common Stock10b5-1 | -838 | $124.00 | $104k | 23,246 | Sep 19, 2025 |
| Aug 18, 2025 | MKSI MKS INC | MOption exercise Common Stock | +2,641 | - | - | 25,333 | Aug 19, 2025 |
| Aug 18, 2025 | MKSI MKS INC | FTax withholding Common Stock | -1,249 | $100.22 | $125k | 24,084 | Aug 19, 2025 |
| Aug 18, 2025 | MKSI MKS INC | MOption exercise Restricted Stock Unitderivative | -2,641 | - | - | 13,018 | Aug 19, 2025 |
| Aug 4, 2025 | MKSI MKS INC | AGrant or award Restricted Stock Unitderivative | +1,330 | - | - | 15,659 | Aug 5, 2025 |
| Jul 7, 2025 | MKSI MKS INC | SOpen-market sale Common Stock10b5-1 | -957 | $102.44 | $98k | 22,692 | Jul 8, 2025 |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.