Key facts
- This page summarizes Bruce L. Claflin's Form 4 filing for CIENA CORP (CIEN).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 30 Mar 2026, 17:31.
Bruce L. Claflin - 26 Mar 2026 Form 4 Insider Report for CIENA CORP (CIEN)
- Reporting relationship
- Director
- Issuer ticker
- CIEN
- Reported as of
- 26 Mar 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 30 Mar 2026, 17:31:46 UTC
- Prior SEC filing
- 26 Sep 2025
- Next SEC filing
- 14 May 2026
- Source filing
- View source filing
- Reporting owner signature
- By: Michelle Rankin For: Bruce L. Claflin
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Bruce L. Claflin filed Form 4 for CIENA CORP (CIEN) on 30 Mar 2026.
Change
- Previous filing in this sequence was filed on 26 Sep 2025.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001403694
Primary reporting owner
Claflin Bruce L.
- Relationship
- Director
- Address
- C/O CIENA CORPORATION, 7035 RIDGE RD., HANOVER
- Signature
- By: Michelle Rankin For: Bruce L. Claflin
- Signature date
- 27 Mar 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
CIEN
transaction
Common Stock
Award
- Transaction value
- Shares
- +605
- Change %
- +1.2%
- Price
- $0.000000*
- Shares after
- 50,843
- Date
- 26 Mar 2026
- Ownership
- Direct
- Footnotes
- F1, F2
CIEN
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 11,136
- Date
- 26 Mar 2026
- Ownership
- By spousal trust
- Footnotes
- F3
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 3 footnotes
Footnote F1
Restricted stock units (RSUs) vest in full on the first anniversary of the date of the grant.
Footnote F2
Shares reported include unvested Restricted Stock Units (RSUs).
Footnote F3
The beneficiaries of the trust are the reporting person's spouse and children. The reporting person disclaims beneficial ownership of the securities held by the trust.