Cadence Design Systems (CDNS)Sen. Alan Armstrong disclosed a sale $50K–$100K

$50,001–$100,000

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.

1. Mar 28, 2025Insider · First insider buy since Feb 2014Director purchased ~$14K of CDNS shares in the open market
2. Oct 27, 2025Federal contract · $53K obligatedDepartment of Defense awarded Cadence Design Systems: $53K obligated to date
3. Nov 17, 2025Company filing · Form 8-K · Executive changeChanged a top executive or board member“(d) As previously reported in a Form 8-K filed with the Securities and Exchange Commission on November 17, 2025 (the “Original Filing”) by Cadence Design Systems, Inc. (“Cadence”), the Board of Directors (the “Board”) of Cadence appointed Dr. Luc Van den hove as a director of Cadence, effective January 1, 2026.”
4. Dec 2, 2025InsiderDirector sold ~$6.3K of CDNS shares in the open market
5. Dec 3, 2025Federal contract · $500K obligatedDepartment of Defense awarded Cadence Design Systems: $500K obligated to date
6. Dec 12, 2025Federal contract · $39K obligatedDepartment of Defense awarded Cadence Design Systems: $39K obligated to date
7. Jan 20, 2026Federal contract · $139K obligatedNational Aeronautics and Space Administration awarded Cadence Design Systems: $139K obligated to date
8. Jan 21, 2026InsiderDirector sold ~$1.6K of CDNS shares in the open market
9. Feb 2, 2026InsiderOfficer sold ~$295K of CDNS shares in the open market
10. Feb 17, 2026Company filing · Form 8-K · ResultsReported its results
11. Feb 23, 2026Company filing · Form 8-K · Unregistered sharesSold new shares without registering them
12. Mar 2, 2026InsiderOfficer sold ~$298K of CDNS shares in the open market
13. Mar 17, 2026Insider · 1 personInsiders: 7 sales (~$53K)
14. Mar 26, 20265% stakeThe Vanguard Group reported a passive stake (13G)
15. Mar 27, 2026 · this disclosureCongressDisclosed sale of CDNS — reported range $50,001 - $100,000

What came next

1. Apr 1, 2026InsiderOfficer sold ~$280K of CDNS shares in the open market
2. Apr 15, 2026Federal contract · $149K obligatedNational Aeronautics and Space Administration awarded Cadence Design Systems: $149K obligated to date
3. Apr 16, 2026InsiderCFO sold ~$6.65M of CDNS shares in the open market
4. Apr 27, 2026Company filing · Form 8-K · ResultsReported its results
5. Apr 29, 20265% stakeVanguard Capital Management reported a passive stake (13G) of 7.4%
6. May 1, 2026Insider · 2 peopleInsiders: 2 sales (~$3.9M)
7. May 5, 2026Insider · 1 personInsiders: 5 sales (~$1.7M)
8. May 7, 2026Company filing · Form 8-K · Executive change, Shareholder voteChanged a top executive or board member, and held a shareholder vote“(e) Amendment of the Omnibus Equity Incentive Plan As described in Item 5.07 below, at the Annual Meeting of Stockholders of Cadence Design Systems, Inc. (“Cadence”) held on May 7, 2026 (the “2026 Annual Meeting”), Cadence stockholders approved an amendment of Cadence’s Omnibus Equity Incentive Plan (the “Omnibus Plan”).”
9. May 18, 2026InsiderOfficer sold ~$370K of CDNS shares in the open market
10. May 21, 2026Federal contract · $51K obligatedNational Aeronautics and Space Administration awarded Cadence Design Systems: $51K obligated to date
11. May 22, 2026Insider · 2 peopleInsiders: 13 sales (~$20.9M)
12. May 27, 2026Federal contract · $196K obligatedNational Aeronautics and Space Administration awarded Cadence Design Systems: $196K obligated to date
13. Jun 1, 2026Insider · 2 peopleInsiders: 2 sales (~$23.3M)
14. Jun 2, 2026InsiderCEO sold ~$10.4M of CDNS shares in the open market
15. Jun 5, 2026Congress · 1 personMembers of Congress: 2 sales
16. Jun 10, 2026Federal contract · $134K obligatedNational Aeronautics and Space Administration awarded Cadence Design Systems: $134K obligated to date
17. Jun 10, 2026Insider · 1 personInsiders: 13 sales (~$70K)
18. Jun 11, 2026InsiderDirector sold ~$576K of CDNS shares in the open market
19. Jun 15, 2026InsiderOfficer sold ~$782K of CDNS shares in the open market
20. Jun 22, 2026Insider · 1 personInsiders: 11 sales (~$1.7M)

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 Cadence Design Systems

For Cadence Design Systems, OQRO holds 27 insider filings (SEC Form 4 or Form 144), 5 Congress trade reports, 50 fund holdings reports (13F) and 2 federal contract awards 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 CDNS page.

Other recent filings by Sen. Alan Armstrong

• Senate eFD periodic transaction report at Williams Companies (WMB)Sep 17, 2026
• Senate eFD periodic transaction report at Williams Companies (WMB)Sep 17, 2026
• Senate eFD periodic transaction report at KKR & Co. (KKR)Jul 21, 2026
• Senate eFD periodic transaction report at Globe Life (GL)Jul 21, 2026
• Senate eFD periodic transaction report at Copart (CPRT)Jul 21, 2026

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

How this filing works

• The STOCK Act

Other disclosures at Cadence Design Systems

• SEC Form 4Oct 5, 2026
• SEC Form 144Oct 1, 2026
• House Clerk periodic transaction reportSep 25, 2026
• House Clerk periodic transaction reportSep 25, 2026
• SEC Form 4Sep 18, 2026
• SEC Form 144Sep 15, 2026

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