Mayampurath Ramakumar
SEC insider (Form 3/4/5 filer). CIK 0001859332. EVP & CFO at MKS INC (MKSI). 10 reported Form 4/5 transactions since Sep 2024; latest on May 22, 2026. Located in ANDOVER, MA.
Companies Mayampurath Ramakumar has filed insider reports for
- MKS INC (MKSI): Officer, EVP & CFO
Mayampurath Ramakumar
CIK: 0001859332
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)1 (10.0%)
Position reduction
Option Exercises (M)3 (30.0%)
Derivative conversions
Awards (A)4 (40.0%)
Compensation grants
Other (G, F, J, C, D, …)2 (20.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
MKSI
MKS INC
Officer
Discretionary Trading P&L
Holdings
Transaction History (10 total)
- May 22, 2026MKSI
MKS INC
SaleDirect8.8K shares at avg. $315.48$2.8M - Feb 17, 2026MKSI
MKS INC
Tax PaymentDirect2.5K shares at avg. $260.74$656K - Feb 17, 2026MKSI
MKS INC
ExerciseDirect3K shares- - Feb 17, 2026MKSI
MKS INC
ExerciseDirect2.7K shares- - Feb 17, 2026MKSI
MKS INC
AwardDirectRestricted Stock Unit
4.3K shares- - Feb 8, 2026MKSI
MKS INC
AwardDirectRestricted Stock Unit
8.9K shares- - Nov 17, 2025MKSI
MKS INC
ExerciseDirect8.3K shares- - Nov 17, 2025MKSI
MKS INC
Tax PaymentDirect2.6K shares at avg. $142.74$375K - Feb 18, 2025MKSI
MKS INSTRUMENTS INC
AwardDirectRestricted Stock Unit
8.1K shares- - Nov 15, 2024MKSI
MKS INSTRUMENTS INC
AwardDirectRestricted Stock Unit
16.6K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| May 22, 2026 | MKSI MKS INC | Sale | 8,810 | $315.48 | $2,779,379 | Direct |
| Feb 17, 2026 | MKSI MKS INC | Tax Payment | 2,516 | $260.74 | $656,006 | Direct |
| Feb 17, 2026 | MKSI MKS INC | Exercise | 2,958 | - | $0 | Direct |
| Feb 17, 2026 | MKSI MKS INC | Exercise | 2,702 | - | $0 | Direct |
| Feb 17, 2026 | MKSI MKS INC | Award Restricted Stock Unit | 4,279 | - | - | Direct |
| Feb 8, 2026 | MKSI MKS INC | Award Restricted Stock Unit | 8,878 | - | - | Direct |
| Nov 17, 2025 | MKSI MKS INC | Exercise | 8,295 | - | - | Direct |
| Nov 17, 2025 | MKSI MKS INC | Tax Payment | 2,628 | $142.74 | $375,121 | Direct |
| Feb 18, 2025 | MKSI MKS INSTRUMENTS INC | Award Restricted Stock Unit | 8,107 | - | - | Direct |
| Nov 15, 2024 | MKSI MKS INSTRUMENTS INC | Award Restricted Stock Unit | 16,591 | - | - | Direct |
1-10 of 10 transactions