CIENA CORP is an SEC registrant, filing under CIK 0000936395, classified as telephone and telegraph apparatus. It is grouped with Information Technology companies on this site.
CIEN Form 4 activity by transaction type, last 90 days
Form 4 transaction type
Transactions
Shares
Total value
Open-market sale
23
48,095
$18.57M
Tax withholding / forfeiture
36
35,997
Bona-fide gift
1
2,797
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
CIEN insider transactions (Form 4)
58
166 Form 4 filings on record, the earliest from Oct 1, 2024, newest first. Filing history page 1 of 3.
Footnote F1 (shares): Sales were affected pursuant to Rule 10b5-1 trading plan dated 10/04/2025.
Footnote F2 (price): Reflects the weighted average sales price with transactions in a range of sales from $351.1125 to $380.4050 Upon request by the SEC, full information regarding the number of shares sold at each separate sales price will be provided.
Footnote F1 (shares): Sales were affected pursuant to Rule 10b5-1 trading plan dated 10/13/2025.
Footnote F2 (price): Reflects the weighted average sales price with transactions in a range of sales from $ 355.49 to $364.05. Upon request by the SEC, full information regarding the number of shares sold at each separate sales price will be provided.
Footnote F1 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/13/2022. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 3 filed on 2/3/2023.
Footnote F3 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 2/1/2023. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 2/3/2023.
Footnote F4 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/12/2023. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/14/2023.
Footnote F5 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/16/2025. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/18/2025.
Footnote F6 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/17/2024. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/19/2024.
Footnote F1 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 10/27/2023. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 10/31/2023.
Footnote F3 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/13/2022. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 3 filed on 10/31/2023.
Footnote F4 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/12/2023. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/14/2023.
Footnote F5 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/17/2024. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/19/2024.
Footnote F6 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/16/2025. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/18/2025.
Footnote F1 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 6/22/2026. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 6/23/2026.
Footnote F1 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 10/27/2023. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 10/31/2023.
Footnote F3 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/13/2022. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 3 filed on 10/31/2023.
Footnote F4 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/12/2023. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/14/2023.
Footnote F5 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/17/2024. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/19/2024.
Footnote F6 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/16/2025. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/18/2025.
Footnote F1 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/13/2022. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/15/2022.
Footnote F3 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/12/2023. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/14/2023.
Footnote F4 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/17/2024. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/19/2024.
Footnote F5 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/16/2025. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/18/2025.
Footnote F1 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/13/2022. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/15/2022.
Footnote F3 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/12/2023. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/14/2023.
Footnote F4 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/17/2024. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/19/2024.
Footnote F5 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/16/2025. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/18/2025.
Footnote F1 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/13/2022. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/15/2022.
Footnote F3 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/12/2023. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/14/2023.
Footnote F4 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/17/2024. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/19/2024.
Footnote F5 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/16/2025. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/18/2025.
Footnote F1 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/13/2022. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 3 filed on 2/3/2023.
Footnote F3 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 2/1/2023. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 2/3/2023.
Footnote F4 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/12/2023. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/14/2023.
Footnote F5 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/17/2024. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/19/2024.
Footnote F6 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/16/2025. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/18/2025.
Footnote F1 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/16/2025. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/18/2025.
Footnote F1 (shares): Sales were affected pursuant to Rule 10b5-1 trading plan dated 10/04/2025.
Footnote F2 (price): Reflects the weighted average sales price with transactions in a range of sales from $320.8150 to $335.8150. Upon request by the SEC, full information regarding the number of shares sold at each separate sales price will be provided.
Footnote F1 (shares): Sales were affected pursuant to Rule 10b5-1 trading plan dated 10/10/2025.
Footnote F2 (price): Reflects the weighted average sales price with transactions in a range of sales from $321.4000 to $335.4100. Upon request by the SEC, full information regarding the number of shares sold at each separate sales price will be provided.
Footnote F1 (shares): Sales were affected pursuant to Rule 10b5-1 trading plan dated 10/04/2025.
Footnote F2 (price): Reflects the weighted average sales price with transactions in a range of sales from $356.6500 to $381.2975. Upon request by the SEC, full information regarding the number of shares sold at each separate sales price will be provided.
Footnote F1 (shares): Sales were affected pursuant to Rule 10b5-1 trading plan dated 08/14/2026.
Footnote F2 (price): Reflects the weighted average sales price with transactions in a range of sales from $423.3500 to $443.4100. Upon request by the SEC, full information regarding the number of shares sold at each separate sales price will be provided.
Footnote F1 (shares): Sales were affected pursuant to Rule 10b5-1 trading plan dated 10/04/2025.
Footnote F2 (price): Reflects the weighted average sales price with transactions in a range of sales from $429.9900 to $457.8650. Upon request by the SEC, full information regarding the number of shares sold at each separate sales price will be provided.
Footnote F1 (shares): Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 08/01/2025. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 8/05/2025.
Footnote F1 (shares): Sales were affected pursuant to Rule 10b5-1 trading plan dated 10/04/2025.
Footnote F2 (price): Reflects the weighted average sales price with transactions in a range of sales from $356.0150 to $390.9100. Upon request by the SEC, full information regarding the number of shares sold at each separate sales price will be provided.
Footnote F1 (shares): Sales were affected pursuant to Rule 10b5-1 trading plan dated 10/04/2025.
Footnote F2 (price): Reflects the weighted average sales price with transactions in a range of sales from $405.1250 to $443.7500. Upon request by the SEC, full information regarding the number of shares sold at each separate sales price will be provided.
Footnote F1 (shares): Sales were affected pursuant to Rule 10b5-1 trading plan dated 10/10/2025.
Footnote F2 (price): Reflects the weighted average sales price with transactions in a range of sales from $406.05 to $442.8500. Upon request by the SEC, full information regarding the number of shares sold at each separate sales price will be provided.
An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
CIENA CORP (CIEN) had 31 insider filings in the last 90 days, with the most recent on 2026-10-13. The full record for CIEN runs to 166 Form 4 filings, the earliest from 2024-10-01. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying CIEN stock?
No insider purchases of CIEN were filed in the last 90 days.
How many insiders are selling CIEN stock?
23 insider sales of CIEN were filed in the last 90 days, totaling $18.57M.
Where can I see CIEN SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects CIEN Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Information Technology companies with insider activity
House of Representatives Periodic Transaction Reports from 2024. Senate filings are not included yet. The full history of CIEN beside its insider purchases is in the Congress Tracker.