MKS Instruments (MKSI)Rep. Lisa McClain (MI09) disclosed a purchase $1K–$15K
Rep. Lisa McClain (MI09) disclosed a purchase of MKS Instruments in the $1K–$15K range.
- $1,001–$15,000
- Reported range · official band, not an exact amount
- 22 days
- Disclosure lag
- Traded
- Oct 30, 2025
- Disclosed
- Nov 21, 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.
- Aug 4, 2025CongressDisclosed purchase of MKSI — reported range $1,001 - $15,000
- Sep 2, 2025InsiderDirector sold ~$30K of MKSI shares in the open market
- Sep 18, 2025Insider · 2 peopleInsiders: 2 sales (~$754K)
- Oct 30, 2025 · this disclosureCongressDisclosed purchase of MKSI — reported range $1,001 - $15,000
What came next
- Oct 30, 2025CongressDisclosed sale of MKSI — reported range $1,001 - $15,000
- Oct 31, 2025CongressDisclosed sale of MKSI — reported range $1,001 - $15,000
- Nov 5, 2025Company filing · Form 8-K · ResultsReported its results
- Jan 21, 2026Company filing · Form 8-K · Results, Reg FDReported its results, and shared information with investors
- Feb 4, 2026Company filing · Form 8-K · Material agreement, New debtSigned an important agreement, and took on new debt or obligations (and 1 more item)
- Feb 17, 2026Company filing · Form 8-K · ResultsReported its results
How to read House Clerk periodic transaction report
The STOCK Act is a 2012 US law that requires members of Congress, and some senior staff, to publicly report their stock trades, and those of their spouse and dependent children, within 45 days.
Full guide: What is the STOCK Act?
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 Rep. Lisa McClain (MI09)
- House Clerk periodic transaction report at Bigbear.Ai Holdings (BBAI)Mar 4, 2026
- House Clerk periodic transaction report at Bigbear.Ai Holdings (BBAI)Mar 4, 2026
- House Clerk periodic transaction report at AMD (AMD)Nov 21, 2025
- House Clerk periodic transaction report at AMD (AMD)Nov 21, 2025
- House Clerk periodic transaction report at Broadcom (AVGO)Nov 21, 2025
The full history of Rep. Lisa McClain (MI09) is on the profile page.
How this filing works
Other disclosures at MKS Instruments
- SEC Form 13F-HRAug 14, 2026
- SEC Form 13F-HRAug 14, 2026
- SEC Form 13F-HRAug 14, 2026
- SEC Form 13F-HRAug 14, 2026
- SEC Form 13F-HRAug 14, 2026
- SEC Form 13F-HRAug 14, 2026
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.
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