Insider trade

Director sold ~$1.02M of CIEN shares in the open market

Traded Sep 24, 2026 · Filed Sep 29, 2026

CienaCIEN

~$1.02M
Reported value · 2,857 sh @ $355.91: 8,279
Holds after · shares reported: +8.7%
stock since the trade · S&P 500 +1.0%, $358.43 → $389.69 on Oct 5

Why it stands out

A board member of Ciena sold $1.02M of Ciena shares. Nobody planned it ahead of time.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Sep 24, 2026
Reporting period: Not applicable
Filed with the SEC: Sep 29, 2026

DirectorIndirect holding$1M+

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$1,016,835

Shares × reported transaction price

Timing vs results

21 days after results of Sep 3, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Price at the time

Closed at $358.43 on Sep 24, 2026, 161% above its 52-week low and 43% below its high, after a 17% drop over the previous 30 trading days

52-week range $137.17 (Sep 25, 2025) to $627.00 (Jun 2, 2026), 45% of the way up, from 251 adjusted closes. 30 trading days earlier: $432.05 on Aug 12, 2026. Describes the past only, not a forecast

Planned / mechanical clue

None found in footnotes

Only flagged when a footnote says so; never inferred

Source receipt

Record ID: 0001123292-26-001329
Filed / recorded: Sep 29, 2026, 1:53 AM UTC
Added to OQRO: Oct 2, 2026, 12:27 PM UTC
Parser: form4-xml-v1
Data quality: Verified: identifiers matched exactly
Issuer: CIENA CORP
Issuer CIK: 936395
Ticker: CIEN
Reporting person: Bruce L. Claflin
Relationship: Director
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: Sep 24, 2026
Transaction code: S
Shares / units: 2,857
Price per share: $355.91
Acquired / disposed: Disposed (D)
Shares owned after: 8,279
Ownership form: Indirect — By spousal trust
Amendment: No

Footnotes from the filing

Reflects a contribution of common stock to an exchange fund in exchange for an interest in the exchange fund. The common stock was valued at $355.91 per share for the purpose of determining the size of the interest in the exchange fund to be issued
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.

Around the same time

Officer plans to sell ~$34K of Ciena

Planned, from pay5d ago

Officer plans to sell ~$746K of Ciena

Planned, from pay5d ago

Officer plans to sell ~$934K of Ciena

Planned, from pay5d ago