OQROGet OQRO Pro
Insider trade

MKS Instruments (MKSI)Officer sold ~$650K

David Philip Henry, Officer at MKS Instruments, sold ~$650K of MKS Instruments shares.

~$650K
Approx. value · 5,000 sh @ $130.00
16K
Holds after · shares reported
Traded
Sep 18, 2025
Filed
Sep 19, 2025

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

  1. Aug 1, 2025InsiderDirector sold ~$28K of MKSI shares in the open market
  2. Aug 4, 2025CongressDisclosed purchase of MKSI — reported range $1,001 - $15,000
  3. Sep 2, 2025InsiderDirector sold ~$30K of MKSI shares in the open market
  4. Sep 18, 2025 · this disclosureInsiderOfficer sold ~$650K of MKSI shares in the open market

What came next

  1. Sep 18, 2025InsiderOfficer sold ~$104K of MKSI shares in the open market
  2. Oct 30, 2025Congress · 1 personMembers of Congress: 1 purchase, 1 sale
  3. Oct 31, 2025CongressDisclosed sale of MKSI — reported range $1,001 - $15,000
  4. Nov 5, 2025Company filing · Form 8-K · ResultsReported its results
View the official recordSEC Form 4

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for MKS Instruments

For MKS Instruments, OQRO holds 19 fund holdings reports (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its MKSI page.

Other recent filings by David Philip Henry, EVP, Global Str Mktg & GM, MSD

The full history of David Philip Henry, EVP, Global Str Mktg & GM, MSD is on the profile page.

How this filing works

Other disclosures at MKS Instruments

Everything OQRO holds on this company is on its MKSI page.

This is one filing. OQRO holds the rest

Insider trades filed with the SEC, stock trades disclosed by members of Congress, fund holdings from 13F filings and federal contract awards, each one in plain words next to its official filing. On this page it opens why the trade stands out, what the company did around that time, the price since, and every field of the form.

Unlock OQRO ProAlready have an account? Log in

OQRO Pro is a paid subscription. You see the price before you pay

OQRO describes public disclosures and context calculated from them. It does not give personalized advice and does not recommend any transaction. How OQRO treats data