Transaction · 0001032553-26-000035

SMITH GARY B

SMITH GARY B, PRES, CEO, reported an open-market or private sale at CIENA CORP involving 2952.000000 shares for an estimated $1321840.36. Reported holdings after the transaction were 246030.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SPRES, CEO
CIENCIENA CORP
Filing timeAug 18
Trade dateAug 17, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$405.54
Pre-filing
1mo ago -7.7%1w ago -4.4%1d ago +5.7%
Returns since
7d -5.6%30d -11.1%90d -11.1%180d -11.1%1y -11.1%

CIEN price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
CIEN since 2026-08-18Filed 16 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001032553-26-000035
Common Stock
Transaction date
Aug 17, 2026
Filed Aug 18, 2026, 08:47 PM · 1d delay
Shares
2.95k sh
$44.7k per share
Estimated value
-$132M
Computed from shares × price
Holdings after
246k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Cluster Selling Direct Ownership Large Sale 10b5-1 Detected
0score
Filing-only score

0

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

President, CEO

Officer YesDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    Sales were affected pursuant to Rule 10b5-1 trading plan dated 10/04/2025.

  2. F2

    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 separ…

  3. F3

    Shares reported include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).

Original filing · 0001032553-26-000035
Related transactions

0 other filings

Same reporting owner
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CIEN