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Insider ActivityMKSI
Mayampurath Ramakumar, EVP & CFO at MKS INC, sold $2.8M of MKSI
Updated Jun 20, 2026
Mayampurath Ramakumar
EVP & CFO
MKS INC ·
$MKSI
Transaction Details
| Insider | Mayampurath Ramakumar |
|---|---|
| Title | EVP & CFO |
| Company | MKS INC |
| Ticker | MKSI |
| Transaction Type | Sale |
| Transaction Date | 2026-05-22 |
| Shares Traded | 8,810 |
| Price Per Share | $315.48 |
| Total Value | $2.8M |
| Filed Date | 2026-05-26 |
| Accession Number | 0001049502-26-000090 |
Ownership Context
| Shares Owned After Transaction | 1 |
|---|---|
| Ownership Type | Direct |
SEC Filing
Accession: 0001049502-26-000090
Other Insider Trades — MKSI
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| Schreiner James Alan | EVP & COO | sold | $854K | 2026-06-12 |
| Schreiner James Alan | EVP & COO | sold | $281K | 2026-06-12 |
| Schreiner James Alan | EVP & COO | sold | $75K | 2026-06-12 |
| Schreiner James Alan | EVP & COO | sold | $248K | 2026-06-10 |
| McCarthy Michelle M | SVP & Chief Accounting Officer | sold | $767K | 2026-06-05 |
| Mora Elizabeth | Director | sold | $95K | 2026-06-01 |
| Henry David Philip | EVP, Global Str Mktg & GM, MSD | sold | $1.9M | 2026-06-01 |
| COLELLA GERALD G | Director | sold | $1.6M | 2026-05-27 |
| COLELLA GERALD G | Director | sold | $2.7M | 2026-05-27 |
| COLELLA GERALD G | Director | sold | $608K | 2026-05-27 |
Full Ticker Profile
View all insider trades, dark pool activity, congressional filings, and the Whisper Score for MKSI — MKS INC →
Whisper Score — MKSI
82.98
Full Degen
Current Whisper Score
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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.
Last updated: June 20, 2026 at 07:09 UTC