# Ciena Corp (CIEN) insider trading, Q3 2026 Canonical: https://sec-api.dev/insider-trading/cien > 60 non-derivative transactions: 0 purchases, 23 sales ($19.4M). CIK 936395. | Date | Insider | Relationship | Code | Shares | Price | Owned after | Filing | | --- | --- | --- | --- | --- | --- | --- | --- | | 2026-09-25 | Cumello Joseph | Officer | S | 1586.0 | 358.52 | 39570.0 | https://www.sec.gov/Archives/edgar/data/936395/000196363826000013/0001963638-26-000013-index.htm | | 2026-09-24 | Claflin Bruce L. | Director | S | 2857.0 | 355.91 | 8279.0 | https://www.sec.gov/Archives/edgar/data/936395/000112329226001329/0001123292-26-001329-index.htm | | 2026-09-24 | NEVENS THOMAS MICHAEL | Director | G | 2797.0 | | 3492.0 | https://www.sec.gov/Archives/edgar/data/936395/000125144526000004/0001251445-26-000004-index.htm | | 2026-09-23 | NEVENS THOMAS MICHAEL | Director | S | 3738.0 | 359.04 | 6289.0 | https://www.sec.gov/Archives/edgar/data/936395/000125144526000004/0001251445-26-000004-index.htm | | 2026-09-20 | SMITH GARY B | Director, Officer | F | 3102.0 | 348.8 | 234039.0 | https://www.sec.gov/Archives/edgar/data/936395/000103255326000041/0001032553-26-000041-index.htm | | 2026-09-20 | SMITH GARY B | Director, Officer | F | 2985.0 | 348.8 | 237141.0 | https://www.sec.gov/Archives/edgar/data/936395/000103255326000041/0001032553-26-000041-index.htm | | 2026-09-20 | SMITH GARY B | Director, Officer | F | 937.0 | 348.8 | 231359.0 | https://www.sec.gov/Archives/edgar/data/936395/000103255326000041/0001032553-26-000041-index.htm | | 2026-09-20 | SMITH GARY B | Director, Officer | F | 1743.0 | 348.8 | 232296.0 | https://www.sec.gov/Archives/edgar/data/936395/000103255326000041/0001032553-26-000041-index.htm | | 2026-09-20 | Rothenstein David M | Officer | F | 436.0 | 348.8 | 175601.0 | https://www.sec.gov/Archives/edgar/data/936395/000144415726000026/0001444157-26-000026-index.htm | | 2026-09-20 | Rothenstein David M | Officer | F | 811.0 | 348.8 | 176037.0 | https://www.sec.gov/Archives/edgar/data/936395/000144415726000026/0001444157-26-000026-index.htm | | 2026-09-20 | Rothenstein David M | Officer | F | 204.0 | 348.8 | 176848.0 | https://www.sec.gov/Archives/edgar/data/936395/000144415726000026/0001444157-26-000026-index.htm | | 2026-09-20 | Rothenstein David M | Officer | F | 679.0 | 348.8 | 177052.0 | https://www.sec.gov/Archives/edgar/data/936395/000144415726000026/0001444157-26-000026-index.htm | | 2026-09-20 | Rothenstein David M | Officer | F | 220.0 | 348.8 | 175381.0 | https://www.sec.gov/Archives/edgar/data/936395/000144415726000026/0001444157-26-000026-index.htm | | 2026-09-20 | Phipps Jason | Officer | F | 268.0 | 348.8 | 60017.0 | https://www.sec.gov/Archives/edgar/data/936395/000169919326000008/0001699193-26-000008-index.htm | | 2026-09-20 | Phipps Jason | Officer | F | 503.0 | 348.8 | 60285.0 | https://www.sec.gov/Archives/edgar/data/936395/000169919326000008/0001699193-26-000008-index.htm | | 2026-09-20 | Phipps Jason | Officer | F | 735.0 | 348.8 | 61647.0 | https://www.sec.gov/Archives/edgar/data/936395/000169919326000008/0001699193-26-000008-index.htm | | 2026-09-20 | Phipps Jason | Officer | F | 859.0 | 348.8 | 60788.0 | https://www.sec.gov/Archives/edgar/data/936395/000169919326000008/0001699193-26-000008-index.htm | | 2026-09-20 | Cumello Joseph | Officer | F | 180.0 | 348.8 | 41487.0 | https://www.sec.gov/Archives/edgar/data/936395/000196363826000011/0001963638-26-000011-index.htm | | 2026-09-20 | Cumello Joseph | Officer | F | 331.0 | 348.8 | 41156.0 | https://www.sec.gov/Archives/edgar/data/936395/000196363826000011/0001963638-26-000011-index.htm | | 2026-09-20 | Cumello Joseph | Officer | F | 582.0 | 348.8 | 41667.0 | https://www.sec.gov/Archives/edgar/data/936395/000196363826000011/0001963638-26-000011-index.htm | | 2026-09-20 | Cumello Joseph | Officer | F | 182.0 | 348.8 | 42249.0 | https://www.sec.gov/Archives/edgar/data/936395/000196363826000011/0001963638-26-000011-index.htm | | 2026-09-20 | Cumello Joseph | Officer | F | 441.0 | 348.8 | 42431.0 | https://www.sec.gov/Archives/edgar/data/936395/000196363826000011/0001963638-26-000011-index.htm | | 2026-09-20 | Kosaraju Sheela | Officer | F | 189.0 | 348.8 | 86166.0 | https://www.sec.gov/Archives/edgar/data/936395/000196378126000012/0001963781-26-000012-index.htm | | 2026-09-20 | Kosaraju Sheela | Officer | F | 330.0 | 348.8 | 86355.0 | https://www.sec.gov/Archives/edgar/data/936395/000196378126000012/0001963781-26-000012-index.htm | | 2026-09-20 | Kosaraju Sheela | Officer | F | 549.0 | 348.8 | 86685.0 | https://www.sec.gov/Archives/edgar/data/936395/000196378126000012/0001963781-26-000012-index.htm | | 2026-09-20 | Kosaraju Sheela | Officer | F | 691.0 | 348.8 | 87234.0 | https://www.sec.gov/Archives/edgar/data/936395/000196378126000012/0001963781-26-000012-index.htm | | 2026-09-20 | Kosaraju Sheela | Officer | F | 156.0 | 348.8 | 87925.0 | https://www.sec.gov/Archives/edgar/data/936395/000196378126000012/0001963781-26-000012-index.htm | | 2026-09-20 | DiPerna Dino | Officer | F | 428.0 | 348.8 | 37320.0 | https://www.sec.gov/Archives/edgar/data/936395/000199846026000013/0001998460-26-000013-index.htm | | 2026-09-20 | DiPerna Dino | Officer | F | 247.0 | 348.8 | 37073.0 | https://www.sec.gov/Archives/edgar/data/936395/000199846026000013/0001998460-26-000013-index.htm | | 2026-09-20 | DiPerna Dino | Officer | F | 730.0 | 348.8 | 37748.0 | https://www.sec.gov/Archives/edgar/data/936395/000199846026000013/0001998460-26-000013-index.htm | | 2026-09-20 | DiPerna Dino | Officer | F | 444.0 | 348.8 | 38478.0 | https://www.sec.gov/Archives/edgar/data/936395/000199846026000013/0001998460-26-000013-index.htm | | 2026-09-20 | DiPerna Dino | Officer | F | 204.0 | 348.8 | 38922.0 | https://www.sec.gov/Archives/edgar/data/936395/000199846026000013/0001998460-26-000013-index.htm | | 2026-09-20 | Gage Brodie | Officer | F | 442.0 | 348.8 | 36561.0 | https://www.sec.gov/Archives/edgar/data/936395/000199882626000020/0001998826-26-000020-index.htm | | 2026-09-20 | Gage Brodie | Officer | F | 669.0 | 348.8 | 35892.0 | https://www.sec.gov/Archives/edgar/data/936395/000199882626000020/0001998826-26-000020-index.htm | | 2026-09-20 | Gage Brodie | Officer | F | 388.0 | 348.8 | 35504.0 | https://www.sec.gov/Archives/edgar/data/936395/000199882626000020/0001998826-26-000020-index.htm | | 2026-09-20 | Gage Brodie | Officer | F | 204.0 | 348.8 | 37003.0 | https://www.sec.gov/Archives/edgar/data/936395/000199882626000020/0001998826-26-000020-index.htm | | 2026-09-20 | Gage Brodie | Officer | F | 231.0 | 348.8 | 35273.0 | https://www.sec.gov/Archives/edgar/data/936395/000199882626000020/0001998826-26-000020-index.htm | | 2026-09-20 | Graff Marc D. | Officer | F | 286.0 | 348.8 | 107233.0 | https://www.sec.gov/Archives/edgar/data/936395/000208015726000013/0002080157-26-000013-index.htm | | 2026-09-20 | Hoffman Grant | Officer | F | 170.0 | 348.8 | 6347.0 | https://www.sec.gov/Archives/edgar/data/936395/000214172026000002/0002141720-26-000002-index.htm | | 2026-09-16 | DiPerna Dino | Officer | S | 249.0 | 350.0 | 39126.0 | https://www.sec.gov/Archives/edgar/data/936395/000199846026000011/0001998460-26-000011-index.htm | | 2026-09-15 | SMITH GARY B | Director, Officer | S | 2952.0 | 330.18 | 240126.0 | https://www.sec.gov/Archives/edgar/data/936395/000103255326000039/0001032553-26-000039-index.htm | | 2026-09-15 | Rothenstein David M | Officer | S | 2500.0 | 330.48 | 177731.0 | https://www.sec.gov/Archives/edgar/data/936395/000144415726000024/0001444157-26-000024-index.htm | | 2026-09-15 | DiPerna Dino | Officer | S | 249.0 | 324.86 | 39375.0 | https://www.sec.gov/Archives/edgar/data/936395/000199846026000011/0001998460-26-000011-index.htm | | 2026-09-15 | Gage Brodie | Officer | S | 1200.0 | 324.86 | 37207.0 | https://www.sec.gov/Archives/edgar/data/936395/000199882626000018/0001998826-26-000018-index.htm | | 2026-09-01 | SMITH GARY B | Director, Officer | S | 2952.0 | 362.9 | 243078.0 | https://www.sec.gov/Archives/edgar/data/936395/000103255326000037/0001032553-26-000037-index.htm | | 2026-08-17 | SMITH GARY B | Director, Officer | S | 2952.0 | 447.78 | 246030.0 | https://www.sec.gov/Archives/edgar/data/936395/000103255326000035/0001032553-26-000035-index.htm | | 2026-08-17 | Gage Brodie | Officer | S | 1200.0 | 439.24 | 38407.0 | https://www.sec.gov/Archives/edgar/data/936395/000199882626000016/0001998826-26-000016-index.htm | | 2026-08-14 | Rothenstein David M | Officer | S | 2500.0 | 438.1 | 180231.0 | https://www.sec.gov/Archives/edgar/data/936395/000144415726000022/0001444157-26-000022-index.htm | | 2026-08-14 | Graff Marc D. | Officer | S | 4995.0 | 430.72 | 107519.0 | https://www.sec.gov/Archives/edgar/data/936395/000208015726000010/0002080157-26-000010-index.htm | | 2026-08-03 | SMITH GARY B | Director, Officer | S | 2952.0 | 379.81 | 248982.0 | https://www.sec.gov/Archives/edgar/data/936395/000103255326000033/0001032553-26-000033-index.htm | | 2026-08-01 | Graff Marc D. | Officer | F | 14441.0 | 377.05 | 112514.0 | https://www.sec.gov/Archives/edgar/data/936395/000208015726000008/0002080157-26-000008-index.htm | | 2026-07-15 | SMITH GARY B | Director, Officer | S | 2952.0 | 421.1 | 251934.0 | https://www.sec.gov/Archives/edgar/data/936395/000103255326000031/0001032553-26-000031-index.htm | | 2026-07-15 | Rothenstein David M | Officer | S | 2500.0 | 420.91 | 182731.0 | https://www.sec.gov/Archives/edgar/data/936395/000144415726000020/0001444157-26-000020-index.htm | | 2026-07-15 | DiPerna Dino | Officer | S | 391.0 | 449.15 | 39624.0 | https://www.sec.gov/Archives/edgar/data/936395/000199846026000009/0001998460-26-000009-index.htm | | 2026-07-15 | DiPerna Dino | Officer | S | 391.0 | 449.15 | 40015.0 | https://www.sec.gov/Archives/edgar/data/936395/000199846026000009/0001998460-26-000009-index.htm | | 2026-07-15 | Gage Brodie | Officer | S | 1200.0 | 449.15 | 39607.0 | https://www.sec.gov/Archives/edgar/data/936395/000199882626000014/0001998826-26-000014-index.htm | | 2026-07-01 | SMITH GARY B | Director, Officer | S | 2952.0 | 468.83 | 254886.0 | https://www.sec.gov/Archives/edgar/data/936395/000103255326000029/0001032553-26-000029-index.htm | | 2026-07-01 | Phipps Jason | Officer | S | 2629.0 | 466.2 | 62382.0 | https://www.sec.gov/Archives/edgar/data/936395/000169919326000006/0001699193-26-000006-index.htm | | 2026-07-01 | Kosaraju Sheela | Officer | S | 2013.0 | 466.2 | 88081.0 | https://www.sec.gov/Archives/edgar/data/936395/000196378126000010/0001963781-26-000010-index.htm | | 2026-07-01 | Graff Marc D. | Officer | S | 126.0 | 466.2 | 126955.0 | https://www.sec.gov/Archives/edgar/data/936395/000208015726000006/0002080157-26-000006-index.htm | Source: https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets --- Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice. API: https://sec-api.dev/docs · ChatGPT app: https://chatgpt.com/plugins/plugin_asdk_app_6ae0ef2436ac8191941dae8a4d732669 · Free key: https://sec-api.dev/sign-up