Amphenol (APH): Sen. Alan Armstrong disclosed a purchase

$1,001–$15,000
Reported range · official band, not an exact amount: 116 days
Disclosure lag

Traded: Mar 27, 2026
Disclosed: Jul 21, 2026

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.

Jan 28, 2026Company filing · Form 8-K · ResultsReported its results
Feb 4, 2026Company filing · Form 8-K · Executive change, Reg FDChanged a top executive or board member, and shared information with investors“On February 4, 2026, after more than five decades with Amphenol Corporation (the “Company”), including serving as President from 1987 to 2006, Chief Executive Officer from 1996 to 2008 and as Chairman of the Board since 1997, Martin H. Loeffler notified the Company that he intends to retire from the Board of Directors of the Company (the “Board”), effective on the date of the Company’s 2026 Annual Meeting of…”
Feb 5, 20265% stakeFMR LLC reported a passive stake (13G) of 7.1%
Feb 5, 2026Insider · First insider buy since Nov 2023Director purchased ~$1.29M of APH shares in the open market
Feb 12, 2026Insider · 1 personInsiders: 2 sales (~$89.6M)
Feb 18, 2026Insider · 2 peopleInsiders: 2 sales (~$22.5M)
Mar 24, 2026Company filing · Form 8-K · Material agreement, Other newsSigned an important agreement, and reported other company news
Mar 26, 20265% stakeThe Vanguard Group reported a passive stake (13G)
Mar 27, 2026 · this disclosureCongressDisclosed purchase of APH — reported range $1,001 - $15,000

What came next

How to read Senate eFD 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 Amphenol

For Amphenol, OQRO holds 7 insider filings (SEC Form 4 or Form 144), 3 Congress trade reports and 108 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 APH page.

Other recent filings by Sen. Alan Armstrong

The full history of Sen. Alan Armstrong is on the profile page.

Other disclosures at Amphenol

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

Amphenol (APH)Sen. Alan Armstrong disclosed a purchase $1K–$15K