Transaction · 0001049502-26-000115

Donlan Renee Martel

Donlan Renee Martel, EVP, GC, CCO, reported a transaction classified as grant at MKS INC involving 954.044000 shares. Reported holdings after the transaction were 4780.571000 shares. A 10b5-1 reference was not detected in the stored filing text.

grantSEC transaction code AEVP, GC, CCO
MKSIMKS INC
Trade date
Aug 17, 2026
Filing date
Aug 18, 2026
View on SEC Insider profile
Estimated value—Shares × reported price
Shares traded954Price unknown
Holdings after4.78kDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Not calculated for derivative securities.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Filing warnings

Notes recorded with this filing
1 warning
missing priceThe filing did not provide a usable price per share.

MKSI price since this filing

Daily closing prices, with the filing date and available return windows
MKSI · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago +8.1%1w ago -2.6%1d ago +3.5%
Returns since7d -10.4%30d -20.0%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
grant
Code A
Identifier
0001049502-26-000115
Restricted Stock Unit
Transaction date
Aug 17, 2026
Filed Aug 18, 2026, 06:07 PM · 1d delay
Shares
954.044 sh
Price unknown
Estimated value
—
Computed from shares × price
Holdings after
4,780.571 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Derivative Transaction Direct Ownership
Filing-only score

-14 points

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • timely_filing+4 points

    reporting_delay_days = 1

    Filing reported within two business days of the transaction.
  • derivative_transaction-16 points

    is_derivative = true

    Derivative exercise rows are less discretionary than open-market purchases.
  • missing_price-8 points

    price_cents is null

    Missing price reduces confidence in value-based signals.
Missing facts
  • price_cents
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

EVP, GC & CCO

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of MKS Inc.

  2. F2

    These RSUs vest in three equal annual installments commencing on August 17, 2027, provided that if, in any vesting year, August 17th is not a business day, such vesting shall occur on the next busines…

Original filing · 0001049502-26-000115
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