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123 filings · most recent first

CIEN Form 4 Insider Filings

Over the trailing 90 days, CIEN insiders sold a net $17.2M in discretionary open-market trades (8 sellers), across 58 Form 4 transactions by 9 insiders.

2026-09-17Gage Brodie Files Ciena Cien Form 4 September 15 2026 2026-09-17Diperna Dino Files Ciena Cien Form 4 September 15 2026 2026-09-17Rothenstein David M Files Ciena Cien Form 4 September 15 2026 2026-09-17Smith Gary B Files Ciena Cien Form 4 September 15 2026 2026-09-02Smith Gary B Files Ciena Cien Form 4 September 01 2026 2026-08-18Graff Marc D Files Ciena Cien Form 4 August 14 2026 2026-08-18Rothenstein David M Files Ciena Cien Form 4 August 14 2026 2026-08-18Smith Gary B Files Ciena Cien Form 4 August 17 2026 2026-08-18Gage Brodie Files Ciena Cien Form 4 August 17 2026 2026-08-04Graff Marc D Files Ciena Cien Form 4 August 01 2026 2026-08-04Smith Gary B Files Ciena Cien Form 4 August 03 2026 2026-07-17Smith Gary B Files Ciena Cien Form 4 July 15 2026 2026-07-17Gage Brodie Files Ciena Cien Form 4 July 15 2026 2026-07-17Diperna Dino Files Ciena Cien Form 4 July 15 2026 2026-07-17Rothenstein David M Files Ciena Cien Form 4 July 15 2026 2026-07-06Graff Marc D Files Ciena Cien Form 4 July 01 2026 2026-07-06Kosaraju Sheela Files Ciena Cien Form 4 July 01 2026 2026-07-06Phipps Jason Files Ciena Cien Form 4 July 01 2026 2026-07-06Smith Gary B Files Ciena Cien Form 4 July 01 2026 2026-06-30Cumello Joseph Files Ciena Cien Form 4 June 26 2026 2026-06-26Graff Marc D Files Ciena Cien Form 4 June 24 2026 2026-06-23Hoffman Grant Files Ciena Cien Form 4 June 22 2026 2026-06-23Graff Marc D Files Ciena Cien Form 4 June 20 2026 2026-06-23Gage Brodie Files Ciena Cien Form 4 June 20 2026 2026-06-23Diperna Dino Files Ciena Cien Form 4 June 20 2026 2026-06-23Kosaraju Sheela Files Ciena Cien Form 4 June 20 2026 2026-06-23Cumello Joseph Files Ciena Cien Form 4 June 20 2026 2026-06-23Phipps Jason Files Ciena Cien Form 4 June 20 2026 2026-06-23Rothenstein David M Files Ciena Cien Form 4 June 20 2026 2026-06-23Smith Gary B Files Ciena Cien Form 4 June 20 2026 2026-06-17Smith Gary B Files Ciena Cien Form 4 June 15 2026 2026-06-17Gage Brodie Files Ciena Cien Form 4 June 15 2026 2026-06-17Rothenstein David M Files Ciena Cien Form 4 June 15 2026 2026-06-02Smith Gary B Files Ciena Cien Form 4 June 01 2026 2026-05-19Gage Brodie Files Ciena Cien Form 4 May 15 2026 2026-05-19Rothenstein David M Files Ciena Cien Form 4 May 15 2026 2026-05-19Smith Gary B Files Ciena Cien Form 4 May 15 2026 2026-05-04Smith Gary B Files Ciena Cien Form 4 May 01 2026 2026-04-17Gage Brodie Files Ciena Cien Form 4 April 15 2026 2026-04-17Rothenstein David M Files Ciena Cien Form 4 April 15 2026 2026-04-17Smith Gary B Files Ciena Cien Form 4 April 15 2026 2026-04-16Diperna Dino Files Ciena Cien Form 4 April 15 2026 2026-04-06Phipps Jason Files Ciena Cien Form 4 April 01 2026 2026-04-03Kosaraju Sheela Files Ciena Cien Form 4 April 01 2026 2026-04-03Smith Gary B Files Ciena Cien Form 4 April 01 2026 2026-03-31Cumello Joseph Files Ciena Cien Form 4 March 27 2026 2026-03-31Fitt Lawton W Files Ciena Cien Form 4 March 26 2026 2026-03-30Olsen Joanne Beth Files Ciena Cien Form 4 March 26 2026 2026-03-30Kumar Devinder Files Ciena Cien Form 4 March 26 2026 2026-03-30Claflin Bruce L Files Ciena Cien Form 4 March 26 2026 2026-03-30Nevens Thomas Michael Files Ciena Cien Form 4 March 26 2026 2026-03-30Gallagher Patrick Files Ciena Cien Form 4 March 26 2026 2026-03-30Puma Mary G Files Ciena Cien Form 4 March 26 2026 2026-03-30Ahmed Hassan Files Ciena Cien Form 4 March 26 2026 2026-03-30Ahmed Hassan Files Ciena Cien Form 4 March 26 2026 2026-03-25Gage Brodie Files Ciena Cien Form 4 March 24 2026 2026-03-25Smith Gary B Files Ciena Cien Form 4 March 20 2026 2026-03-25Rothenstein David M Files Ciena Cien Form 4 March 20 2026 2026-03-25Phipps Jason Files Ciena Cien Form 4 March 20 2026 2026-03-25Kosaraju Sheela Files Ciena Cien Form 4 March 20 2026 2026-03-25Graff Marc D Files Ciena Cien Form 4 March 20 2026 2026-03-25Gage Brodie Files Ciena Cien Form 4 March 20 2026 2026-03-25Diperna Dino Files Ciena Cien Form 4 March 20 2026 2026-03-25Cumello Joseph Files Ciena Cien Form 4 March 20 2026 2026-03-18Rothenstein David M Files Ciena Cien Form 4 March 16 2026 2026-03-18Smith Gary B Files Ciena Cien Form 4 March 16 2026 2026-03-04Smith Gary B Files Ciena Cien Form 4 March 02 2026 2026-02-19Rothenstein David M Files Ciena Cien Form 4 February 17 2026 2026-02-19Smith Gary B Files Ciena Cien Form 4 February 17 2026 2026-02-04Smith Gary B Files Ciena Cien Form 4 February 02 2026 2026-01-20Kosaraju Sheela Files Ciena Cien Form 4 January 15 2026 2026-01-20Phipps Jason Files Ciena Cien Form 4 January 15 2026 2026-01-20Smith Gary B Files Ciena Cien Form 4 January 15 2026 2026-01-16Diperna Dino Files Ciena Cien Form 4 January 15 2026 2026-01-13Rothenstein David M Files Ciena Cien Form 4 January 09 2026 2026-01-13Cumello Joseph Files Ciena Cien Form 4 January 12 2026 2026-01-13Gallagher Patrick Files Ciena Cien Form 4 January 12 2026 2026-01-07Smith Gary B Files Ciena Cien Form 4 January 05 2026 2026-01-06Kosaraju Sheela Files Ciena Cien Form 4 January 02 2026 2025-12-30Gage Brodie Files Ciena Cien Form 4 December 20 2025 2025-12-30Gage Brodie Files Ciena Cien Form 4 December 16 2025 2025-12-30Diperna Dino Files Ciena Cien Form 4 December 20 2025 2025-12-30Diperna Dino Files Ciena Cien Form 4 December 16 2025 2025-12-30Kosaraju Sheela Files Ciena Cien Form 4 December 20 2025 2025-12-30Kosaraju Sheela Files Ciena Cien Form 4 December 16 2025 2025-12-30Cumello Joseph Files Ciena Cien Form 4 December 20 2025 2025-12-30Cumello Joseph Files Ciena Cien Form 4 December 16 2025 2025-12-30Phipps Jason Files Ciena Cien Form 4 December 20 2025 2025-12-30Phipps Jason Files Ciena Cien Form 4 December 16 2025 2025-12-30Phipps Jason Files Ciena Cien Form 4 October 01 2025 2025-12-30Rothenstein David M Files Ciena Cien Form 4 December 20 2025 2025-12-30Rothenstein David M Files Ciena Cien Form 4 December 16 2025 2025-12-30Graff Marc D Files Ciena Cien Form 4 December 16 2025 2025-12-30Smith Gary B Files Ciena Cien Form 4 December 20 2025 2025-12-30Smith Gary B Files Ciena Cien Form 4 December 16 2025 2025-12-18Gage Brodie Files Ciena Cien Form 4 December 15 2025 2025-12-18Gage Brodie Files Ciena Cien Form 4 November 17 2025 2025-12-18Gage Brodie Files Ciena Cien Form 4 October 15 2025 2025-12-18Gage Brodie Files Ciena Cien Form 4 September 20 2025 2025-12-18Diperna Dino Files Ciena Cien Form 4 November 17 2025 2025-12-18Diperna Dino Files Ciena Cien Form 4 October 15 2025 2025-12-18Diperna Dino Files Ciena Cien Form 4 September 20 2025 2025-12-18Kosaraju Sheela Files Ciena Cien Form 4 October 01 2025 2025-12-18Kosaraju Sheela Files Ciena Cien Form 4 September 20 2025 2025-12-18Cumello Joseph Files Ciena Cien Form 4 September 26 2025 2025-12-18Cumello Joseph Files Ciena Cien Form 4 September 20 2025 2025-12-18Phipps Jason Files Ciena Cien Form 4 September 20 2025 2025-12-18Rothenstein David M Files Ciena Cien Form 4 December 15 2025 2025-12-18Rothenstein David M Files Ciena Cien Form 4 November 17 2025 2025-12-18Rothenstein David M Files Ciena Cien Form 4 October 15 2025 2025-12-18Rothenstein David M Files Ciena Cien Form 4 September 20 2025 2025-12-18Claflin Bruce L Files Ciena Cien Form 4 September 24 2025 2025-12-18Nevens Thomas Michael Files Ciena Cien Form 4 December 15 2025 2025-12-18Nevens Thomas Michael Files Ciena Cien Form 4 September 30 2025 2025-12-18Smith Gary B Files Ciena Cien Form 4 December 03 2025 2025-12-18Smith Gary B Files Ciena Cien Form 4 November 10 2025 2025-12-18Smith Gary B Files Ciena Cien Form 4 November 03 2025 2025-12-18Smith Gary B Files Ciena Cien Form 4 October 15 2025 2025-12-18Smith Gary B Files Ciena Cien Form 4 October 01 2025 2025-12-18Smith Gary B Files Ciena Cien Form 4 September 20 2025 2025-12-14Gage Brodie Files Ciena Cien Form 4 September 15 2025 2025-12-14Rothenstein David M Files Ciena Cien Form 4 September 15 2025 2025-12-14Smith Gary B Files Ciena Cien Form 4 September 15 2025

Most Active Insiders (Trailing 90 Days)

Smith Gary B · 10 txns−$10.9M Graff Marc D. · 5 txns−$7.8M Rothenstein David M · 8 txns−$4.0M Gage Brodie · 8 txns−$2.3M Phipps Jason · 5 txns−$2.2M Kosaraju Sheela · 6 txns−$1.8M

Detected Clusters

Cluster selling: 4 insiders, $2.4M total, through Sep 17, 2026 — live cluster view →
Cluster selling: 4 insiders, $5.1M total, through Aug 21, 2026 — live cluster view →
Cluster selling: 4 insiders, $3.0M total, through Jul 22, 2026 — live cluster view →

CIEN full research: price, insiders, financials →