Insider trade

CEO sold ~$975K of CIEN shares in the open market

Traded Sep 15, 2026 · Filed Sep 18, 2026

CienaCIEN

~$975K
Reported value · 2,952 sh @ $330.1789: 240K
Holds after · shares reported: +13.4%
stock since the trade · S&P 500 +0.9%, $334.33 → $379.14 on Oct 1

Why it stands out

The boss of Ciena sold $975K of Ciena shares. It was planned long ago, so it says very little.

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 15, 2026
Reporting period: Not applicable
Filed with the SEC: Sep 18, 2026

CEO$500K–$1MPre-arranged plan referenced

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$974,688

Shares × reported transaction price

Timing vs results

12 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 $334.33 on Sep 15, 2026, 145% above its 52-week low and 47% below its high, after a 14% drop over the previous 30 trading days

52-week range $136.38 (Sep 17, 2025) to $627.00 (Jun 2, 2026), 40% of the way up, from 251 adjusted closes. 30 trading days earlier: $390.76 on Aug 3, 2026. Describes the past only, not a forecast

Planned / mechanical clue

Footnote references a pre-arranged trading plan (Rule 10b5-1)

Only flagged when a footnote says so; never inferred

After it was reported

After	Stock	S&P 500	Difference
7 days	+2.3%	+1.3%	+1.1%

Past results only. Not a forecast.

Source receipt

Record ID: 0001032553-26-000039
Filed / recorded: Sep 18, 2026, 12:24 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: Gary B Smith
Relationship: Director, Officer
Officer title: President & CEO
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: Sep 15, 2026
Transaction code: S
Shares / units: 2,952
Price per share: $330.1789
Acquired / disposed: Disposed (D)
Shares owned after: 240,126
Ownership form: Direct
Amendment: No

Footnotes from the filing

Sales were affected pursuant to Rule 10b5-1 trading plan dated 10/04/2025.
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.
Shares reported include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).

Around the same time

Officer plans to sell ~$34K of Ciena

Planned, from pay3d ago

Officer plans to sell ~$746K of Ciena

Planned, from pay3d ago

Officer plans to sell ~$934K of Ciena

Planned, from pay3d ago

Why it stands out

Dates, kept separate

Context

After it was reported

Source receipt

Footnotes from the filing

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