# Ciena (CIEN): value investors who own it | moatshark

2 value investors held Ciena in their Q3 2026 13F, led by Mairs & Power, First Eagle Investment Management.

## 13F holders

| Manager | Portfolio | Value | Change | Quarters held |
| --- | --- | --- | --- | --- |
| Mairs & Power | 0.0% | $1.4m | Unchanged | 5 |
| First Eagle Investment Management | 0.0% | $981k | Trimmed -23% | 5 |

## Directors buying and selling (Form 4, last 12 months)

| Date | Who | Role | Bought or sold | Shares | Value |
| --- | --- | --- | --- | --- | --- |
| 2026-10-15 | SMITH GARY B | President & CEO | Sold | 2952 | $1.0m |
| 2026-10-15 | Rothenstein David M | EVP & Chief Strategy Officer | Sold | 2500 | $870k |
| 2026-10-15 | Gage Brodie | EVP & Chief Product & Tech | Sold | 1200 | $413k |
| 2026-10-15 | DiPerna Dino | EVP & Chief R&D Officer | Sold | 445 | $156k |
| 2026-10-15 | DiPerna Dino | EVP & Chief R&D Officer | Sold | 445 | $153k |
| 2026-10-01 | SMITH GARY B | President & CEO | Sold | 2952 | $1.1m |
| 2026-10-01 | Phipps Jason | EVP & Chief Customer Officer | Sold | 2629 | $934k |
| 2026-10-01 | Kosaraju Sheela | EVP & Chief Legal Officer | Sold | 2101 | $746k |
| 2026-10-01 | Graff Marc D. | EVP & Chief Financial Officer | Sold | 97 | $34k |
| 2026-09-25 | Cumello Joseph | EVP & General Mgr. | Sold | 1586 | $569k |
| 2026-09-24 | Claflin Bruce L. | Director | Sold | 2857 | $1.0m |
| 2026-09-23 | NEVENS THOMAS MICHAEL | Director | Sold | 3738 | $1.3m |
| 2026-09-16 | DiPerna Dino | EVP & Chief R&D Officer | Sold | 249 | $87k |
| 2026-09-15 | SMITH GARY B | President & CEO | Sold | 2952 | $975k |
| 2026-09-15 | Rothenstein David M | EVP & Chief Strategy Officer | Sold | 2500 | $826k |
| 2026-09-15 | Gage Brodie | EVP & Chief Product & | Sold | 1200 | $390k |
| 2026-09-15 | DiPerna Dino | EVP & Chief R&D Officer | Sold | 249 | $81k |
| 2026-09-01 | SMITH GARY B | President, CEO | Sold | 2952 | $1.1m |
| 2026-08-17 | SMITH GARY B | President, CEO | Sold | 2952 | $1.3m |
| 2026-08-17 | Gage Brodie | SVP Global Products & Supply | Sold | 1200 | $527k |

Source: SEC filings, via moatshark (https://www.moatshark.com/s/cien). Values traded and returns are estimates. Not investment advice. Built 2026-10-21.