SMITH GARY B
- Shares
- 248.98K
- % company
- 0.18%
- Price
- $379.81
- Value
- $94,566,949
Filed Aug 3, 2026
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NEW YORK STOCK EXCHANGE, INC. · Technology · Holders
Ciena Corporation (CIEN) Insider Trading History
Recent Form 4 insider activity for CIEN, with filters for buys, sales, option exercises, gifts, and tax withholding.
Section freshness
Price Aug 23, 8:31 PM EDT · Statements May 1, 8:00 PM EDT
Ownership read
CIEN insider sentiment: Net selling.
42 sales and 0 purchases appear in the recent Form 4 filings. Use the filters below to separate open-market activity from option exercises, gifts, awards, and tax withholding.
Insider flow
CIEN
Purchases0
Sales5.06M
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Insider stance
Net selling
$2.32B sold / — bought
Latest filing
Aug 3, 2026
Most recent holder or insider filing date
Filings shown
120
120 insider
- Latest filing
- Aug 3, 2026
- Most recent holder or insider filing date
- Insider rows
- 120
- Market data source
Recent insider transactions
Ciena Corporation (CIEN) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
Graff Marc D.
- Shares
- 112.51K
- % company
- 0.08%
- Price
- $377.05
- Value
- $42,423,404
Filed Aug 1, 2026
Gage Brodie
- Shares
- 39.61K
- % company
- 0.03%
- Price
- $449.15
- Value
- $17,789,484
Filed Jul 15, 2026
DiPerna Dino
- Shares
- 39.62K
- % company
- 0.03%
- Price
- $449.15
- Value
- $17,797,120
Filed Jul 15, 2026
DiPerna Dino
- Shares
- 40.02K
- % company
- 0.03%
- Price
- $449.15
- Value
- $17,972,737
Filed Jul 15, 2026
Rothenstein David M
- Shares
- 182.73K
- % company
- 0.13%
- Price
- $420.91
- Value
- $76,913,981
Filed Jul 15, 2026
SMITH GARY B
- Shares
- 251.93K
- % company
- 0.18%
- Price
- $421.10
- Value
- $106,090,314
Filed Jul 15, 2026
Graff Marc D.
- Shares
- 126.95K
- % company
- 0.09%
- Price
- $466.20
- Value
- $59,186,421
Filed Jul 1, 2026
Kosaraju Sheela
- Shares
- 88.08K
- % company
- 0.06%
- Price
- $466.20
- Value
- $41,063,362
Filed Jul 1, 2026
Phipps Jason
- Shares
- 62.38K
- % company
- 0.04%
- Price
- $466.20
- Value
- $29,082,488
Filed Jul 1, 2026
SMITH GARY B
- Shares
- 254.89K
- % company
- 0.18%
- Price
- $468.83
- Value
- $119,496,980
Filed Jul 1, 2026
Graff Marc D.
- Shares
- 127.08K
- % company
- 0.09%
- Price
- $449.36
- Value
- $57,105,118
Filed Jun 24, 2026
| # | Insider | % company | Action | Shares | Filing date |
|---|---|---|---|---|---|
| 1 | SMITH GARY B | 0.18% | SaleOpen-market or direct sale reported on Form 4. | 248.98K | Aug 3, 2026 |
| 2 | Graff Marc D. | 0.08% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 112.51K | Aug 1, 2026 |
| 3 | Gage Brodie | 0.03% | SaleOpen-market or direct sale reported on Form 4. | 39.61K | Jul 15, 2026 |
| 4 | DiPerna Dino | 0.03% | SaleOpen-market or direct sale reported on Form 4. | 39.62K | Jul 15, 2026 |
| 5 | DiPerna Dino | 0.03% | SaleOpen-market or direct sale reported on Form 4. | 40.02K | Jul 15, 2026 |
| 6 | Rothenstein David M | 0.13% | SaleOpen-market or direct sale reported on Form 4. | 182.73K | Jul 15, 2026 |
| 7 | SMITH GARY B | 0.18% | SaleOpen-market or direct sale reported on Form 4. | 251.93K | Jul 15, 2026 |
| 8 | Graff Marc D. | 0.09% | SaleOpen-market or direct sale reported on Form 4. | 126.95K | Jul 1, 2026 |
| 9 | Kosaraju Sheela | 0.06% | SaleOpen-market or direct sale reported on Form 4. | 88.08K | Jul 1, 2026 |
| 10 | Phipps Jason | 0.04% | SaleOpen-market or direct sale reported on Form 4. | 62.38K | Jul 1, 2026 |
| 11 | SMITH GARY B | 0.18% | SaleOpen-market or direct sale reported on Form 4. | 254.89K | Jul 1, 2026 |
| 12 | Graff Marc D. | 0.09% | SaleOpen-market or direct sale reported on Form 4. | 127.08K | Jun 24, 2026 |
Showing 12 of 120 matching Form 4 rows. Percent of company uses current shares outstanding.
Frequently asked
Common questions.
Who is the most active reported CIEN insider?
SMITH GARY B has the largest absolute share movement in the displayed CIEN filing rows, totaling 4.01 million shares. The action labels provide the transaction context.