Wednesday, October 28, 2026
Data from SEC filings, checked daily
Public filings, plainly told
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StockCIK 936395

CIENA CORP (CIEN): Insider Trades and Fund Holdings

In the past 12 months, CIENA CORP insiders reported 0 open-market purchases worth $0 and 21 sales worth $16.9M; 19 of the sales were reported as made under a 10b5-1 trading plan.

0Insider buys, 12 months
$0Bought by insiders, 12 months
$16.9MSold by insiders, 12 months
2Tracked funds holding

Timeline: news and trades

Company filings (8-K), insider trades, notices of planned sales (Form 144) and fund moves in the past year, newest first.

  1. Oct 15, 2026Insider saleCEO Gary B. Smith sold $1 million under a 10b5-1 plan
  2. Oct 15, 2026Insider saleEVP David M. Rothenstein sold $870,157 under a 10b5-1 plan
  3. Oct 15, 2026Insider saleEVP Brodie Gage sold $412,896 under a 10b5-1 plan
  4. Oct 15, 2026Insider saleEVP Dino Diperna sold $308,866 under a 10b5-1 plan
  5. Oct 15, 2026Planned saleGary B. Smith (officer) filed notice to sell about $5.3 million around Oct 15, 2026
  6. Oct 15, 2026Planned saleDAVID ROTHENSTEIN (officer) filed notice to sell about $899,000 around Oct 15, 2026
  7. Oct 15, 2026Planned saleBRODIE GAGE (officer) filed notice to sell about $412,896 around Oct 15, 2026
  8. Oct 15, 2026Planned saleDINO DIPERNA (officer) filed notice to sell about $308,866 around Oct 15, 2026
  9. Oct 1, 2026Insider saleCEO Gary B. Smith sold $1.1 million under a 10b5-1 plan
  10. Oct 1, 2026Insider saleEVP Jason Phipps sold $933,795 under a 10b5-1 plan
  11. Oct 1, 2026Insider saleGeneral Counsel Sheela Kosaraju sold $746,254 under a 10b5-1 plan
  12. Oct 1, 2026Insider saleCFO Marc D. Graff sold $34,453 under a 10b5-1 plan
  13. Oct 1, 2026Planned saleJASON PHIPPS (officer) filed notice to sell about $933,795 around Oct 1, 2026
  14. Oct 1, 2026Planned saleSHEELA KOSARAJU (officer) filed notice to sell about $746,254 around Oct 1, 2026
  15. Oct 1, 2026Planned saleMARC GRAFF (officer) filed notice to sell about $34,127 around Oct 1, 2026
  16. Sep 25, 2026Insider saleEVP Joseph Cumello sold $568,605 under a 10b5-1 plan
  17. Sep 25, 2026Planned saleJOSEPH CUMELLO (officer) filed notice to sell about $568,470 around Sep 25, 2026
  18. Sep 24, 2026Insider saleDirector Bruce L. Claflin sold $1 million
  19. Sep 23, 2026Insider saleDirector Thomas Michael Nevens sold $1.3 million
  20. Sep 23, 2026Planned saleTHOMAS MICHAEL NEVENS (director) filed notice to sell about $1.3 million around Sep 23, 2026
  21. Sep 16, 2026Insider saleEVP Dino Diperna sold $87,150 under a 10b5-1 plan
  22. Sep 16, 2026Planned saleDINO DIPERNA (officer) filed notice to sell about $87,150 around Sep 16, 2026
  23. Sep 15, 2026Insider saleCEO Gary B. Smith sold $974,688 under a 10b5-1 plan
  24. Sep 15, 2026Insider saleEVP David M. Rothenstein sold $826,208 under a 10b5-1 plan
  25. Sep 15, 2026Insider saleEVP Brodie Gage sold $389,832 under a 10b5-1 plan
  26. Sep 15, 2026Insider saleEVP Dino Diperna sold $80,890 under a 10b5-1 plan
  27. Sep 15, 2026Planned saleDAVID ROTHENSTEIN (officer) filed notice to sell about $799,100 around Sep 15, 2026
  28. Sep 15, 2026Planned saleBRODIE GAGE (officer) filed notice to sell about $389,832 around Sep 15, 2026
  29. Sep 15, 2026Planned saleDINO DIPERNA (officer) filed notice to sell about $80,890 around Sep 15, 2026
  30. Sep 1, 2026Insider saleCEO Gary B. Smith sold $1.1 million under a 10b5-1 plan
  31. Aug 17, 2026Insider saleCEO Gary B. Smith sold $1.3 million under a 10b5-1 plan
  32. Aug 17, 2026Insider saleSVP Brodie Gage sold $527,088 under a 10b5-1 plan
  33. Aug 14, 2026Insider saleCFO Marc D. Graff sold $2.2 million under a 10b5-1 plan
  34. Aug 14, 2026Insider saleSVP David M. Rothenstein sold $1.1 million under a 10b5-1 plan
  35. Jun 30, 2026FundBridgewater Associates cut 30% in Q2 2026 (13F filed Aug 14, 2026)
  36. Jun 30, 2026FundLone Pine Capital sold out in Q2 2026 (13F filed Aug 14, 2026)
  37. Jun 30, 2026FundRenaissance Technologies added 89% in Q2 2026 (13F filed Aug 13, 2026)

Recent insider trades

Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Oct 19, 2026.

Recent CIEN insider trades
FiledTradedInsiderRoleTypeSharesPrice ($)ValueHoldingFiling
Oct 19Oct 15Gary B. SmithCEOCEO▼ SELL10b5-12,952348.02$1.03M−1.3%Form 4 ↗
Oct 19Oct 15David M. RothensteinEVPEVP▼ SELL10b5-12,500348.06$870K−1.4%Form 4 ↗
Oct 19Oct 15Brodie GageEVPEVP▼ SELL10b5-11,200344.08$413K−3.4%Form 4 ↗
Oct 19Oct 15Dino DipernaEVPEVP▼ SELL10b5-1890347.04$309K−2.4%Form 4 ↗
Oct 13Oct 1Gary B. SmithCEOCEO▼ SELL10b5-12,952369.66$1.09M−1.3%Form 4 ↗
Oct 6Oct 1Jason PhippsEVPEVP▼ SELL10b5-12,629355.19$934K−4.4%Form 4 ↗
Oct 6Oct 1Sheela KosarajuGeneral CounselGeneral Counsel▼ SELL10b5-12,101355.19$746K−2.4%Form 4 ↗
Oct 6Oct 1Marc D. GraffCFOCFO▼ SELL10b5-197355.19$34K−0.1%Form 4 ↗
Sep 29Sep 25Joseph CumelloEVPEVP▼ SELL10b5-11,586358.52$569K−3.9%Form 4 ↗
Sep 28Sep 24Bruce L. ClaflinDirectorDirector (ind.)▼ SELL2,857355.91$1.02M−26%Form 4 ↗
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings
All 21 CIEN insider trades →

Insiders who traded in the past year

InsiderRoleBuysBoughtSellsSoldLatest
Gary B. SmithCEO0$05$5.49MOct 19, 2026
David M. RothensteinEVP0$03$2.79MOct 19, 2026
Brodie GageEVP0$03$1.33MOct 19, 2026
Dino DipernaEVP0$03$477KOct 19, 2026
Jason PhippsEVP0$01$934KOct 6, 2026
Sheela KosarajuGeneral Counsel0$01$746KOct 6, 2026
Marc D. GraffCFO0$02$2.19MOct 6, 2026
Joseph CumelloEVP0$01$569KSep 29, 2026

Buybacks and executive pay

CIENA CORP spent $334.5 million buying back its own shares in 2025.

From the company's XBRL data filed with the SEC. "Actually paid" is the SEC's pay-versus-performance measure, which counts changes in the value of stock awards. "Value of $100 invested" is the company's cumulative shareholder return as reported, usually measured from five years earlier. See all buybacks and CEO pay across companies.

Tracked funds that report CIEN

From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.

FundQuarterSharesValue% of portfolioChange
Renaissance TechnologiesQ2 2026184,774$90.6M0.12%▲ +88.9%
Bridgewater AssociatesQ2 2026101,038$49.6M0.20%▼ −29.8%
Lone Pine CapitalQ2 20260$00.00%▼ Sold out
Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings

Reading these numbers

Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →