Insider · CIK 0001859332
Ramakumar Mayampurath
Files at ROG (ROGERS CORP), MKSI (MKS INSTRUMENTS INC). First filing May 26, 2026, latest May 26, 2026.
In brief
Ramakumar Mayampurath files SEC Form 4 as CFO at MKSI (MKS INSTRUMENTS INC), and also at ROG (ROGERS CORP). Since May 26, 2026, Ramakumar Mayampurath has reported 0 open-market buys worth $0 and 1 open-market sell worth $2.8M, the latest filed on May 26, 2026.
A track record needs three past buys with six months of prices behind them; Ramakumar Mayampurath has 0, so none is measured yet.
The newest scored trade: sold $2.8M of MKSI on May 22, 2026, filed May 26, 2026, scored 62 (notable), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 1 sell worth $2.8M.
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 INSTRUMENTS INC
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 |
|---|---|---|---|---|---|
| 62Notable | MKS INSTRUMENTS INC | $2.8M 8,810 shares | -100% | +292% from low0% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| May 22, 2026 | MKSI MKS INC | 8,810 0.01% of outstanding | $2.8M | May 22, 2026 | none |
| Nov 7, 2024 | ROG ROGERS CORP | 1,000 0.01% of outstanding | $112k | Nov 7, 2024 | none |
Transactions
Every row this insider has filed, 17 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| May 22, 2026 | MKSI MKS INSTRUMENTS INC | SOpen-market sale Common Stock10b5-1 | -8,810 | $315.48 | $2.8M | 1 | May 26, 2026 |
| Feb 17, 2026 | MKSI MKS INSTRUMENTS INC | MOption exercise Common Stock | +2,958 | - | - | 8,625 | Feb 18, 2026 |
| Feb 17, 2026 | MKSI MKS INSTRUMENTS INC | MOption exercise Common Stock | +2,702 | - | - | 11,327 | Feb 18, 2026 |
| Feb 17, 2026 | MKSI MKS INSTRUMENTS INC | FTax withholding Common Stock | -2,516 | $260.74 | $656k | 8,811 | Feb 18, 2026 |
| Feb 17, 2026 | MKSI MKS INSTRUMENTS INC | AGrant or award Restricted Stock Unitderivative | +4,279 | - | - | 29,559 | Feb 18, 2026 |
| Feb 17, 2026 | MKSI MKS INSTRUMENTS INC | MOption exercise Restricted Stock Unitderivative | -2,958 | - | - | 26,600 | Feb 18, 2026 |
| Feb 17, 2026 | MKSI MKS INSTRUMENTS INC | MOption exercise Restricted Stock Unitderivative | -2,702 | - | - | 23,898 | Feb 18, 2026 |
| Feb 8, 2026 | MKSI MKS INSTRUMENTS INC | AGrant or award Restricted Stock Unitderivative | +8,878 | - | - | 25,280 | Feb 9, 2026 |
| Nov 17, 2025 | MKSI MKS INSTRUMENTS INC | MOption exercise Common Stock | +8,295 | - | - | 8,295 | Nov 18, 2025 |
| Nov 17, 2025 | MKSI MKS INSTRUMENTS INC | FTax withholding Common Stock | -2,628 | $142.74 | $375k | 5,667 | Nov 18, 2025 |
| Nov 17, 2025 | MKSI MKS INSTRUMENTS INC | MOption exercise Restricted Stock Unitderivative | -8,295 | - | - | 16,402 | Nov 18, 2025 |
| Nov 15, 2024 | MKSI MKS INSTRUMENTS INC | AGrant or award Restricted Stock Unitderivative | +16,591 | - | - | 16,591 | Nov 18, 2024 |
| May 1, 2024 | ROG ROGERS CORP | FTax withholding Capital (Common) Stock | -80 | $118.62 | $9,490 | 20,626 | May 3, 2024 |
| Feb 19, 2024 | ROG ROGERS CORP | AGrant or award Capital (Common) Stock | +4,270 | $0.00 | $0 | 20,706 | Feb 20, 2024 |
| Feb 14, 2024 | ROG ROGERS CORP | FTax withholding Capital (Common) Stock | -291 | $116.14 | $34k | 16,436 | Feb 16, 2024 |
| Feb 10, 2024 | ROG ROGERS CORP | FTax withholding Capital (Common) Stock | -42 | $119.26 | $5,009 | 16,727 | Feb 12, 2024 |
| Feb 9, 2024 | ROG ROGERS CORP | FTax withholding Capital (Common) Stock | -383 | $119.26 | $46k | 16,769 | Feb 12, 2024 |
Questions about Ramakumar Mayampurath
Answered from the filings on this page, as of the latest one.
Is Ramakumar Mayampurath buying or selling?
In the last 12 months Ramakumar Mayampurath reported 0 open-market buys worth $0 and 1 open-market sell worth $2.8M on SEC Form 4; the latest was sold $2.8M of MKSI on May 22, 2026. Grants, option exercises and tax withholding are not counted.
How did Ramakumar Mayampurath's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Ramakumar Mayampurath has 0.
Where does Ramakumar Mayampurath file Form 4?
Ramakumar Mayampurath has filed Form 4 at MKSI (MKS INSTRUMENTS INC) as EVP & CFO; ROG (ROGERS CORP) as SVP, CFO, Treasurer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
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.