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CIEN SEC Filing News — Ciena Corporation

Latest SEC filings for Ciena Corporation (CIEN) explained in plain English: insider buying and selling (Form 4), proposed insider sales (Form 144), material company events (8-K), and quarterly & annual reports (10-Q / 10-K). Sourced directly from SEC EDGAR.

What you’re looking at: Each item below is parsed from an actual SEC filing. Form 4 = confirmed insider transaction · Form 144 = proposed sale notice · 8-K = material event (earnings, M&A, leadership change, etc.) · 10-Q / 10-K = quarterly / annual report.
Form 4 Insider Selling 2026-04-17

CIEN insider SMITH GARY B (Director, President, CEO) sold 2,952 shares (~$1.38M)

SMITH GARY B, listed as Director, President, CEO at CIENA CORP, reported an open-market sale of 2,952 CIEN shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: SMITH GARY B (Director, President, CEO) Shares: 2,952 Est. Value: $1.38M
Form 4 Insider Selling 2026-04-17

CIEN insider Rothenstein David M (SVP and Chief Strategy Officer) sold 2,500 shares (~$1.17M)

Rothenstein David M, listed as SVP and Chief Strategy Officer at CIENA CORP, reported an open-market sale of 2,500 CIEN shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: Rothenstein David M (SVP and Chief Strategy Officer) Shares: 2,500 Est. Value: $1.17M
Form 4 Insider Selling 2026-04-17

CIEN insider Gage Brodie (SVP Global Products & Supply) sold 1,200 shares (~$566.1K)

Gage Brodie, listed as SVP Global Products & Supply at CIENA CORP, reported an open-market sale of 1,200 CIEN shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: Gage Brodie (SVP Global Products & Supply) Shares: 1,200 Est. Value: $566.1K
Form 4 Insider Selling 2026-04-16

CIEN insider DiPerna Dino (SVP Global R&D) sold 2,829 shares (~$1.33M)

DiPerna Dino, listed as SVP Global R&D at CIENA CORP, reported an open-market sale of 2,829 CIEN shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: DiPerna Dino (SVP Global R&D) Shares: 2,829 Est. Value: $1.33M
Form 144 Large Proposed Insider Sale 2026-04-15

CIEN Form 144 filed for proposed insider sale by Gary B. Smith (17,712 shares) ~$16.85M

Gary B. Smith filed a Form 144 with the SEC indicating intent to sell CIEN (CIENA CORP) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.

Filing: Form 144 (Proposed Sale Notice) Insider: Gary B. Smith Shares: 17,712 Est. Value: $16.85M
Form 144 Proposed Insider Sale 2026-04-15

CIEN Form 144 filed for proposed insider sale by DAVID ROTHENSTEIN (2,500 shares) ~$2.34M

DAVID ROTHENSTEIN filed a Form 144 with the SEC indicating intent to sell CIEN (CIENA CORP) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: DAVID ROTHENSTEIN Shares: 2,500 Est. Value: $2.34M
Form 144 Proposed Insider Sale 2026-04-15

CIEN Form 144 filed for proposed insider sale by BRODIE GAGE (1,200 shares) ~$1.13M

BRODIE GAGE filed a Form 144 with the SEC indicating intent to sell CIEN (CIENA CORP) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: BRODIE GAGE Shares: 1,200 Est. Value: $1.13M
Form 144 Proposed Insider Sale 2026-04-15

CIEN Form 144 filed for proposed insider sale by DINO DIPERNA (2,829 shares) ~$2.67M

DINO DIPERNA filed a Form 144 with the SEC indicating intent to sell CIEN (CIENA CORP) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: DINO DIPERNA Shares: 2,829 Est. Value: $2.67M
Form 4 Insider Selling 2026-04-03

CIEN insider Phipps Jason (SVP Global Sales and Marketing) sold 22,014 shares (~$9.02M)

Phipps Jason, listed as SVP Global Sales and Marketing at CIENA CORP, reported an open-market sale of 22,014 CIEN shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: Phipps Jason (SVP Global Sales and Marketing) Shares: 22,014 Est. Value: $9.02M
Form 4 Insider Selling 2026-04-03

CIEN insider Kosaraju Sheela (SVP and General Counsel) sold 2,012 shares (~$808.2K)

Kosaraju Sheela, listed as SVP and General Counsel at CIENA CORP, reported an open-market sale of 2,012 CIEN shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: Kosaraju Sheela (SVP and General Counsel) Shares: 2,012 Est. Value: $808.2K
Form 4 Insider Selling 2026-04-03

CIEN insider SMITH GARY B (Director, President, CEO) sold 2,952 shares (~$1.23M)

SMITH GARY B, listed as Director, President, CEO at CIENA CORP, reported an open-market sale of 2,952 CIEN shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: SMITH GARY B (Director, President, CEO) Shares: 2,952 Est. Value: $1.23M
Form 144 Large Proposed Insider Sale 2026-04-01

CIEN Form 144 filed for proposed insider sale by JASON PHIPPS (22,014 shares) ~$18.04M

JASON PHIPPS filed a Form 144 with the SEC indicating intent to sell CIEN (CIENA CORP) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.

Filing: Form 144 (Proposed Sale Notice) Insider: JASON PHIPPS Shares: 22,014 Est. Value: $18.04M
Form 144 Proposed Insider Sale 2026-04-01

CIEN Form 144 filed for proposed insider sale by SHEELA KOSARAJU (2,012 shares) ~$1.62M

SHEELA KOSARAJU filed a Form 144 with the SEC indicating intent to sell CIEN (CIENA CORP) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: SHEELA KOSARAJU Shares: 2,012 Est. Value: $1.62M
Form 4 Insider Selling 2026-03-31

CIEN insider Cumello Joseph (SVP, General Mgr. Blue Planet) sold 1,773 shares (~$700.0K)

Cumello Joseph, listed as SVP, General Mgr. Blue Planet at CIENA CORP, reported an open-market sale of 1,773 CIEN shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: Cumello Joseph (SVP, General Mgr. Blue Planet) Shares: 1,773 Est. Value: $700.0K
Form 8-K Material Company Update 2026-03-31

CIEN filed 8-K — material company event

CIENA CORP filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer

Filing: 8-K (Material Event)
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