Ciena (CIEN)Sen. Alan Armstrong disclosed a purchase $1K–$15K

$1,001–$15,000

Reported range · official band, not an exact amount

113 days

Disclosure lag

Traded

Mar 30, 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. Feb 2, 2026InsiderCEO sold ~$784K of CIEN shares in the open market
2. Feb 17, 2026Insider · 2 peopleInsiders: 2 sales (~$1.6M)
3. Mar 2, 2026InsiderCEO sold ~$1.05M of CIEN shares in the open market
4. Mar 5, 2026Company filing · Form 8-K · ResultsReported its results
5. Mar 16, 2026Insider · 2 peopleInsiders: 2 sales (~$1.9M)
6. Mar 24, 2026Insider · Their largest sale since 2024Officer sold ~$2.02M of CIEN shares in the open market
7. Mar 26, 20265% stakeThe Vanguard Group reported a passive stake (13G)
8. Mar 27, 2026InsiderOfficer sold ~$700K of CIEN shares in the open market
9. Mar 27, 2026CongressDisclosed purchase of CIEN — reported range $1,001 - $15,000
10. Mar 30, 2026 · this disclosureCongressDisclosed purchase of CIEN — reported range $1,001 - $15,000

What came next

1. Apr 1, 2026Insider · 3 peopleInsiders: 17 sales (~$11.1M)
2. Apr 15, 2026Insider · 4 peopleInsiders: 5 sales (~$4.4M)
3. Apr 24, 20265% stakeBlackRock, Inc. reported a passive stake (13G) of 8.0%
4. Apr 29, 20265% stakeVanguard Portfolio Management reported a passive stake (13G) of 5.2%
5. Apr 29, 20265% stakeVanguard Capital Management reported a passive stake (13G) of 7.5%
6. May 1, 2026InsiderCEO sold ~$1.59M of CIEN shares in the open market
7. May 14, 2026CongressDisclosed purchase of CIEN — reported range $1,001 - $15,000
8. May 15, 2026Insider · 3 peopleInsiders: 3 sales (~$3.7M)
9. May 29, 2026CongressDisclosed purchase of CIEN — reported range $1,001 - $15,000
10. Jun 1, 2026InsiderCEO sold ~$1.67M of CIEN shares in the open market
11. Jun 4, 2026Company filing · Form 8-K · ResultsReported its results
12. Jun 8, 2026Company filing · Form 8-K · Material agreement, New debtSigned an important agreement, and took on new debt or obligations (and 2 more items)
13. Jun 15, 2026Insider · 3 peopleInsiders: 3 sales (~$3.1M)
14. Jun 24, 2026InsiderCFO sold ~$57K of CIEN shares in the open market
15. Jun 26, 2026InsiderOfficer sold ~$740K of CIEN shares in the open market
16. Jul 1, 2026Insider · 4 peopleInsiders: 4 sales (~$3.6M)
17. Jul 15, 2026Insider · 4 peopleInsiders: 5 sales (~$3.2M)

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 Ciena

For Ciena, OQRO holds 31 insider filings (SEC Form 4 or Form 144), 2 Congress trade reports and 30 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 CIEN 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 Ciena

• SEC Form 4Oct 6, 2026
• SEC Form 4Oct 6, 2026
• SEC Form 4Oct 6, 2026
• SEC Form 144Oct 1, 2026
• SEC Form 144Oct 1, 2026
• SEC Form 144Oct 1, 2026

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