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AI Networking — Timeline

60 milestones, source-traced.

  1. Jun 4, 2025

    Earnings: Semtech reported Q1 FY2026 net sales of approximately $251.1 million, up ~22% year over…

    Semtech reported Q1 FY2026 net sales of approximately $251.1 million, up ~22% year over year, with record data center net sales of roughly $50 million driven by the ramp of CopperEdge active copper cable products used for short-reach AI scale-up connectivity inside GPU racks.

    ai_synthesis_sdk

  2. Jun 10, 2025

    Partnership: At Cisco Live 2025, Cisco expanded its NVIDIA collaboration with the Cisco Secure AI…

    At Cisco Live 2025, Cisco expanded its NVIDIA collaboration with the Cisco Secure AI Factory with NVIDIA, alongside new Nexus and N9300 Smart Switches built on Silicon One for AI scale-out fabrics. The architecture targets unified scale-out Ethernet fabric for GPU clusters with integrated DPU-based security.

    ai_synthesis_sdk

  3. Jun 11, 2025

    Partnership: The Ultra Ethernet Consortium, in which Arista is a steering member, released its UEC…

    The Ultra Ethernet Consortium, in which Arista is a steering member, released its UEC 1.0 specification on June 11, 2025, defining an Ethernet transport for AI/HPC scale-out fabrics designed to scale to roughly 1 million endpoints.

    ai_synthesis_sdk

  4. Jul 2, 2025

    Acquisition: Hewlett Packard Enterprise (HPE) completed its acquisition of Juniper Networks on July 2, 2025,…

    Hewlett Packard Enterprise (HPE) completed its acquisition of Juniper Networks on July 2, 2025, making Juniper a subsidiary of HPE.

    funding-research
  5. Jul 23, 2025

    Earnings: Celestica reported Q2 2025 revenue of approximately $2.89 billion and adjusted EPS of $1.39,…

    Celestica reported Q2 2025 revenue of approximately $2.89 billion and adjusted EPS of $1.39, and raised full-year 2025 revenue guidance to about $11.55 billion, citing strong hyperscaler demand for its 800G Ethernet scale-out switching and AI/ML compute platforms in the CCS segment.

    ai_synthesis_sdk

  6. Aug 5, 2025

    Earnings: Arista reported Q2 FY2025 revenue of approximately $2.2 billion, up roughly 30% year-over-year, and…

    Arista reported Q2 FY2025 revenue of approximately $2.2 billion, up roughly 30% year-over-year, and raised its full-year 2025 revenue growth outlook citing strong AI and cloud Ethernet scale-out fabric demand.

    ai_synthesis_sdk

  7. Aug 13, 2025

    Earnings: Cisco closed FY2025 with Q4 revenue of roughly $14.67B (+8% YoY) and full-year revenue…

    Cisco closed FY2025 with Q4 revenue of roughly $14.67B (+8% YoY) and full-year revenue of about $56.7B. AI infrastructure orders from webscale customers exceeded $800M in Q4 and totaled roughly $2B for fiscal 2025, about double the original $1B target.

    ai_synthesis_sdk

  8. Sep 1, 2025

    Partnership: Cisco participated as the largest strategic investor in Groq's $750M equity round in September…

    Cisco participated as the largest strategic investor in Groq's $750M equity round in September 2025.

    funding-research
  9. Sep 2, 2025

    Earnings: Credo reported record fiscal Q1 2026 revenue of approximately $222.8 million, up roughly 274%…

    Credo reported record fiscal Q1 2026 revenue of approximately $222.8 million, up roughly 274% year over year, as AEC shipments for AI compute clusters continued to ramp across multiple hyperscale customers.

    ai_synthesis_sdk

  10. Sep 2, 2025

    Customer Win: On its Q1 FY2026 earnings call Credo highlighted customer diversification, noting a second major…

    On its Q1 FY2026 earnings call Credo highlighted customer diversification, noting a second major hyperscaler had become a greater-than-10% revenue customer and that AEC programs were now in production across multiple hyperscale AI networking deployments.

    ai_synthesis_sdk

  11. Sep 3, 2025

    Earnings: In its Q2 FY2026 results, Semtech reported another record quarter for data center net…

    In its Q2 FY2026 results, Semtech reported another record quarter for data center net sales, which grew more than 100% year over year, with management attributing the inflection to CopperEdge active copper cable adoption in AI scale-up clusters and continued FiberEdge optical demand for scale-out networking.

    ai_synthesis_sdk

  12. Sep 3, 2025

    Other: Semtech disclosed in 2025 that its CopperEdge active copper cable platform had moved into…

    Semtech disclosed in 2025 that its CopperEdge active copper cable platform had moved into volume production for AI scale-up interconnect, making data center one of its fastest-growing end markets with net sales growing roughly 100%+ year over year on CopperEdge plus FiberEdge optical demand.

    ai_synthesis_sdk

  13. Oct 8, 2025

    Product Launch: Cisco launched the 8223 fixed router powered by the new Silicon One P200 chip,…

    Cisco launched the 8223 fixed router powered by the new Silicon One P200 chip, delivering 51.2 Tbps in a single system with 64 x 800G ports for scale-across AI data center interconnect. The deep-buffer design is aimed at linking distributed GPU clusters across multiple AI data centers.

    ai_synthesis_sdk

  14. Oct 13, 2025

    Partnership: At the OCP Global Summit in October 2025, the Ethernet for Scale-Up Networking (ESUN)…

    At the OCP Global Summit in October 2025, the Ethernet for Scale-Up Networking (ESUN) workstream launched with Arista among 9+ participating companies, extending Ethernet into the scale-up domain to compete with NVLink/UALink interconnects.

    ai_synthesis_sdk

  15. Oct 13, 2025

    Product Launch: At the 2025 OCP Global Summit, Celestica showcased its next-generation 1.6T Ethernet switching portfolio…

    At the 2025 OCP Global Summit, Celestica showcased its next-generation 1.6T Ethernet switching portfolio (102.4 Tbps class) and liquid-cooled AI server platforms targeted at hyperscale scale-out networking fabrics for AI/ML clusters.

    ai_synthesis_sdk

  16. Oct 27, 2025

    Earnings: Celestica reported Q3 2025 revenue of roughly $3.19 billion, again raised FY2025 revenue guidance…

    Celestica reported Q3 2025 revenue of roughly $3.19 billion, again raised FY2025 revenue guidance (to ~$12.2 billion), and introduced a 2026 revenue outlook of about $16 billion driven by surging hyperscaler demand for its high-speed Ethernet switching and AI hardware platforms.

    ai_synthesis_sdk

  17. Nov 4, 2025

    Earnings: Arista reported Q3 FY2025 revenue of approximately $2.3 billion, up about 27% year-over-year, and…

    Arista reported Q3 FY2025 revenue of approximately $2.3 billion, up about 27% year-over-year, and raised its full-year 2025 outlook while issuing 2026 growth guidance underpinned by accelerating AI back-end (scale-out) networking demand.

    ai_synthesis_sdk

  18. Nov 12, 2025

    Earnings: Cisco reported Q1 FY2026 revenue of about $14.9B, up 8% year over year, with…

    Cisco reported Q1 FY2026 revenue of about $14.9B, up 8% year over year, with non-GAAP EPS near $1.00. AI infrastructure orders from webscale customers exceeded $1.3B in the single quarter, prompting Cisco to raise its full-year guidance.

    ai_synthesis_sdk

  19. Nov 13, 2025

    Customer Win: Cisco disclosed $1B+ in AI infrastructure orders from hyperscalers on Q1 FY25 earnings, citing…

    Cisco disclosed $1B+ in AI infrastructure orders from hyperscalers on Q1 FY25 earnings, citing Silicon One ASIC and 51.2T Ethernet platform wins.

    customer_wins_seed
  20. Nov 24, 2025

    Partnership: Cisco joined NetFoundry's Series A round as a strategic investor on November 24, 2025,…

    Cisco joined NetFoundry's Series A round as a strategic investor on November 24, 2025, with the total round exceeding $15M and led by SYN Ventures.

    funding-research
  21. Dec 1, 2025

    Earnings: Credo reported record fiscal Q2 2026 revenue of approximately $280 million, continuing triple-digit year-over-year…

    Credo reported record fiscal Q2 2026 revenue of approximately $280 million, continuing triple-digit year-over-year growth as AEC and optical DSP demand for AI networking accelerated; the company again raised its full-year outlook.

    ai_synthesis_sdk

  22. Dec 1, 2025

    Product Launch: Around its Q2 FY2026 reporting Credo detailed its 1.6 Tbps (200G-per-lane) AEC and optical…

    Around its Q2 FY2026 reporting Credo detailed its 1.6 Tbps (200G-per-lane) AEC and optical DSP product line entering production ramp, positioning power-efficient copper AECs for next-generation AI rack scale-up and scale-out Ethernet fabric connectivity.

    ai_synthesis_sdk

  23. Dec 10, 2025

    Earnings: Semtech reported Q3 FY2026 results with data center net sales reaching a new quarterly…

    Semtech reported Q3 FY2026 results with data center net sales reaching a new quarterly record on continued double-digit sequential growth, led by CopperEdge active copper cable shipments into AI scale-up rack designs, and the company raised its near-term data center revenue outlook.

    ai_synthesis_sdk

  24. Jan 28, 2026

    Earnings: Celestica closed fiscal 2025 with full-year revenue of approximately $12.2 billion (up from $9.65…

    Celestica closed fiscal 2025 with full-year revenue of approximately $12.2 billion (up from $9.65 billion in 2024) and reaffirmed a 2026 revenue outlook near $16 billion, with growth led by its AI networking switch and platform business serving hyperscale scale-out fabrics.

    ai_synthesis_sdk

  25. Jan 29, 2026

    Partnership: Celestica announced a collaboration with AMD on the 'Helios' Rack-Scale AI Platform.

    funding-research
  26. Jan 30, 2026

    Customer Win: Arista Networks confirmed Meta as a top-4 cloud titan customer for AI Ethernet switching…

    Arista Networks confirmed Meta as a top-4 cloud titan customer for AI Ethernet switching fabric (51.2T-class platforms) in Q4 2025 earnings; powering Llama-series training cluster networking.

    customer_wins_seed
  27. Feb 5, 2026

    Customer Win: NVIDIA Mellanox InfiniBand and Spectrum-X fabric deployed at scale in Microsoft Azure AI clusters…

    NVIDIA Mellanox InfiniBand and Spectrum-X fabric deployed at scale in Microsoft Azure AI clusters for OpenAI training infrastructure (>100K H100 cluster topology).

    customer_wins_seed
  28. Feb 17, 2026

    Capacity Expansion: The estimated capital expenditures related to this project is expected to be approximately $…

    The estimated capital expenditures related to this project is expected to be approximately $ 170.0 million to $ 195.0 million through December 31, 2026 at which time construction is expected to be completed.

    sec_edgar_capex
  29. Feb 25, 2026

    Customer Win: Credo Technology disclosed AWS as anchor customer for HiWire Active Electrical Cables (AEC) deployed…

    Credo Technology disclosed AWS as anchor customer for HiWire Active Electrical Cables (AEC) deployed in Trainium cluster racks; multi-quarter revenue ramp tied to AWS AI capex.

    customer_wins_seed
  30. Mar 1, 2026

    Customer Win: Celestica was awarded a hyperscaler program to design and manufacture a CPO Ethernet switch…

    Celestica was awarded a hyperscaler program to design and manufacture a CPO Ethernet switch utilizing 1.6 Terabit silicon, with production ramp expected in 2027.

    funding-research
  31. Mar 5, 2026

    Capacity Expansion: Consistent with our capital allocation priorities, during the first quarter of fiscal 2026, we…

    Consistent with our capital allocation priorities, during the first quarter of fiscal 2026, we invested $73.9 million in capital purchases, primarily for supply chain equipment and research and development

    sec_edgar_capex
  32. Mar 12, 2026

    Customer Win: Astera Labs serves all 4 top US hyperscalers with PCIe retimer connectivity silicon (disclosed…

    Astera Labs serves all 4 top US hyperscalers with PCIe retimer connectivity silicon (disclosed in S-1 and continued quarterly earnings); product growth tied directly to AI server PCIe-lane scaling.

    customer_wins_seed
  33. Mar 16, 2026

    Partnership: Celestica announced a collaboration with AMD to advance the 'Helios' Rack-Scale AI Platform.

    funding-research
  34. Apr 13, 2026

    News Mention: Credo Technology (CRDO) filed SEC Form 8-K on 2026-04-13 (period 2026-04-13); items 3.02,7.01,9.01.

    sec_edgar
  35. Apr 27, 2026

    Funding: Celestica amended its senior secured credit agreement to $2.5 billion, increasing the revolver from…

    Celestica amended its senior secured credit agreement to $2.5 billion, increasing the revolver from $750M to $1.75 billion and adding a new $250M Term A loan, with maturity extended to April 2031.

    funding-research
  36. Apr 27, 2026

    Funding: Celestica amended and upsized its credit facility to $2.5 billion, with the revolving credit…

    Celestica amended and upsized its credit facility to $2.5 billion, with the revolving credit portion increased to $1.75 billion.

    funding-research
  37. Apr 29, 2026

    Product Launch: Celestica announced its DS6000-Series 1.6TbE switches are available to order, supporting AI-scale networking with…

    Celestica announced its DS6000-Series 1.6TbE switches are available to order, supporting AI-scale networking with co-packaged optics.

    funding-research
  38. Apr 29, 2026

    Product Launch: Celestica made its DS6000-Series 1.6TbE Ethernet Switches available to order.

    funding-research
  39. May 5, 2026

    News Mention: Arista Networks (ANET) filed SEC Form 8-K on 2026-05-05 (period 2026-05-05); items 2.02,9.01.

    sec_edgar
  40. May 5, 2026

    News Mention: Astera Labs (ALAB) filed SEC Form 8-K on 2026-05-05 (period 2026-05-05); items 2.02,9.01.

    sec_edgar
  41. May 6, 2026

    Earnings: Arista Networks (ANET) filed SEC Form 10-Q on 2026-05-06 (period 2026-03-31).

    sec_edgar
  42. May 6, 2026

    Earnings: Astera Labs (ALAB) filed SEC Form 10-Q on 2026-05-06 (period 2026-03-31).

    sec_edgar
  43. Jun 1, 2026

    News Mention: Credo Technology (CRDO) filed SEC Form 8-K on 2026-06-01 (period 2026-05-28); items 2.02,5.02,9.01.

    sec_edgar
  44. Jun 2, 2026

    Leadership Change: Lewis Chew was elected as a Class III director to serve until the 2029…

    Lewis Chew was elected as a Class III director to serve until the 2029 annual meeting of stockholders.

    sec_edgar
  45. Jun 2, 2026

    Leadership Change: Greg Lavender was elected as a Class III director to serve until the 2029…

    Greg Lavender was elected as a Class III director to serve until the 2029 annual meeting of stockholders.

    sec_edgar
  46. Jun 2, 2026

    Leadership Change: Mark B. Templeton was elected as a Class III director to serve until the…

    Mark B. Templeton was elected as a Class III director to serve until the 2029 annual meeting of stockholders.

    sec_edgar
  47. Jun 2, 2026

    News Mention: Arista Networks (ANET) filed SEC Form 8-K on 2026-06-02 (period 2026-05-29); items 5.07.

    sec_edgar
  48. Jun 4, 2026

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cien:GlobalServicesMember 2025-11-01 0000936395 us-gaap:OperatingSegmentsMember 2025-11-01 0000936395 us-gaap:MaterialReconcilingItemsMember 2025-11-01 0000936395 country:CA 2026-05-02 0000936395 country:CA 2025-11-01 0000936395 country:US 2026-05-02 0000936395 country:US 2025-11-01 0000936395 cien:OtherInternationalMember 2026-05-02 0000936395 cien:OtherInternationalMember 2025-11-01 0000936395 us-gaap:SubsequentEventMember 2026-05-03 2026-05-29 0000936395 us-gaap:SubsequentEventMember 2026-05-29 0000936395 cien:MarcD.GraffMember 2026-02-01 2026-05-02 0000936395 cien:MarcD.GraffMember cien:MarcD.GraffArrangementRestrictedStockMember 2026-05-02 0000936395 cien:MarcD.GraffMember cien:MarcD.GraffArrangementPerformanceStockMember 2026-05-02 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark one) QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended May 2, 2026 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-36250 Ciena Corp oration (Exact name of registrant as specified in its charter) Delaware (State or other jurisdiction of incorporation or organization) 7035 Ridge Road , Hanover , MD (Address of principal executive offices) 23-2725311 (I.R.S. Employer Identification No.) 21076 (Zip Code) ( 410 ) 694-5700 (Registrant s telephone number, including area code) Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, par value $0.01 per share CIEN New York Stock Exchange Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes No Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes No Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of large accelerated filer, accelerated filer, smaller reporting company, and emerging growth company in Rule 12b-2 of the Exchange Act. Large accelerated filer Accelerated filer Non-accelerated filer Smaller reporting company Emerging growth company If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes No Indicate the number of shares outstanding of each of the issuer s classes of common stock, as of the latest practicable date: Class Outstanding as of May 29, 2026 Common Stock, par value $0.01 per share 141,552,922 CIENA CORPORATION INDEX FORM 10-Q PAGE NUMBER PART I FINANCIAL INFORMATION Item 1. Financial Statements (unaudited) 3 Condensed Consolidated Statements of Operations for the Quarters and Six Months Ended May 2, 2026 and May 3, 2025 3 Condensed Consolidated Statements of Comprehensive Income for the Quarters and Six Months Ended May 2, 2026 and

    sec_edgar
  49. Jun 4, 2026

    Earnings: Ciena Corporation announced its financial results for its fiscal second quarter ended May 2,…

    Ciena Corporation announced its financial results for its fiscal second quarter ended May 2, 2026.

    sec_edgar
  50. Jun 4, 2026

    Capacity Expansion: Consistent with our capital allocation priorities, during the first half of fiscal 2026, we…

    Consistent with our capital allocation priorities, during the first half of fiscal 2026, we invested $115 million in capital purchases, primarily for supply chain equipment and research and development, and $344 million to repurchase shares through our share buyback program and for tax withholding purposes associated with employee stock awards.

    sec_edgar_capex
  51. Jun 8, 2026

    Funding: Ciena Corporation announced its intention to offer $2.0 billion aggregate principal amount of convertible…

    Ciena Corporation announced its intention to offer $2.0 billion aggregate principal amount of convertible senior notes due 2031 in a private placement, with an option for initial purchasers to buy an additional $300.0 million.

    sec_edgar
  52. Jun 8, 2026

    Other: Ciena Corporation intends to use up to $140 million of the net proceeds from…

    Ciena Corporation intends to use up to $140 million of the net proceeds from the convertible notes offering to repurchase shares of its common stock.

    sec_edgar
  53. Jun 8, 2026

    Other: Ciena Corporation intends to use approximately $1.14 billion of the net proceeds from the…

    Ciena Corporation intends to use approximately $1.14 billion of the net proceeds from the convertible notes offering to repay its existing senior secured term loan.

    sec_edgar
  54. Jun 8, 2026

    Capacity Expansion: Ciena Corporation intends to use the remainder of the net proceeds from the convertible…

    Ciena Corporation intends to use the remainder of the net proceeds from the convertible notes offering for general corporate purposes, including investments to enhance supply chain capacity.

    sec_edgar
  55. Jun 8, 2026

    Other: Ciena Corporation expects to amend its Credit Agreement to extend the maturity date of…

    Ciena Corporation expects to amend its Credit Agreement to extend the maturity date of its senior secured revolving credit facility from October 24, 2028, to October 24, 2030, and modify interest rate terms and commitment fees.

    sec_edgar
  56. Jun 8, 2026

    News Mention: Astera Labs (ALAB) filed SEC Form 8-K on 2026-06-08 (period 2026-06-04); items 5.07.

    sec_edgar
  57. Jun 11, 2026

    Funding: Ciena Corporation closed a private offering of $2.875 billion aggregate principal amount of 0.00%…

    Ciena Corporation closed a private offering of $2.875 billion aggregate principal amount of 0.00% Convertible Senior Notes due 2031.

    sec_edgar
  58. Jun 11, 2026

    Other: Ciena Corporation used approximately $140.0 million of the net proceeds to repurchase approximately 0.3…

    Ciena Corporation used approximately $140.0 million of the net proceeds to repurchase approximately 0.3 million shares of its common stock.

    sec_edgar
  59. Jun 11, 2026

    Other: Ciena Corporation used approximately $1.14 billion of the net proceeds to repay amounts outstanding…

    Ciena Corporation used approximately $1.14 billion of the net proceeds to repay amounts outstanding under its senior secured term loan.

    sec_edgar
  60. Jun 15, 2026

    Earnings: Credo Technology (CRDO) filed SEC Form 10-K on 2026-06-15 (period 2026-05-02).

    sec_edgar

Milestones merged from 0 curated events, 0 verified facts (with observed dates), and 60 business signals from the last 24 months. Deduped by date + label; curated entries take precedence.

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