| Security | CIEN / Ciena Corporation |
| Insider | Thomas Michael Nevens |
Insider Purchases - Short Term Profit Analysis
In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Thomas Michael Nevens in CIEN / Ciena Corporation. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.
The following table shows the most recent open market purchases that were not part of an automatic trading plan.
| Trade Date | Reported Shares |
Reported Price |
Adjusted Shares |
Adjusted Price |
Cost Basis | Days to Max |
Price at Max |
Max Profit ($) |
Max Return (%) |
|---|---|---|---|---|---|---|---|
| There are no known unplanned open-market trades for this insider |
Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.
Insider Sales - Short Term Loss Analysis
In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Thomas Michael Nevens in CIEN / Ciena Corporation. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.
The following table shows the most recent open market purchases that were not part of an automatic trading plan.
| Trade Date | Reported Shares |
Reported Price |
Adjusted Shares |
Adjusted Price |
Cost Basis | Days to Min |
Price at Min |
Max Loss Avoided ($) |
Max Loss Avoided (%) |
|---|---|---|---|---|---|---|---|---|---|
| 2025-12-15 | 8,554 | 224.6600 | 8,554 | 224.6600 | 1,921,742 | 2 | 203.9000 | -177,580 | -9.24 |
Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.
Insider Transaction History
| File Date |
Trade Date |
Form | Insider | Ticker | Security Title | Code | Direct | Exercise Price |
Unit Price |
Units Changed |
Value Changed (1K) |
Remaining Options |
Remaining Shares |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-03-30 | 2026-03-26 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | 605 | 10,027 | ||||||
| 2025-12-17 | 2025-12-15 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | 224.6600 | -8,554 | -1,922 | 9,422 | ||||
| 2025-10-02 | 2025-09-30 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | -5,770 | 17,976 | ||||||
| 2025-03-31 | 2025-03-27 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | 3,738 | 23,746 | ||||||
| 2024-03-25 | 2024-03-21 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | 4,438 | 20,008 | ||||||
| 2023-09-12 | 2023-09-12 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | -3,129 | 15,570 | ||||||
| 2023-09-12 | 2023-09-08 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | -2,086 | 18,699 | ||||||
| 2023-04-03 | 2023-03-30 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | 4,331 | 20,785 | ||||||
| 2023-01-31 | 2022-01-12 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | 74.3074 | -21,737 | -1,615 | 12,732 | ||||
| 2022-04-04 | 2022-03-31 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | 3,722 | 16,454 | ||||||
| 2021-04-05 | 2021-04-01 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | 4,116 | 34,469 | ||||||
| 2020-04-03 | 2020-04-02 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | 5,678 | 30,353 | ||||||
| 2020-01-15 | 2020-01-13 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | 41.9800 | -2,000 | -84 | 24,675 | ||||
| 2019-12-12 | 2019-12-11 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | 34.6300 | -2,000 | -69 | 26,675 | ||||
| 2019-11-12 | 2019-11-11 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | 37.1700 | -2,000 | -74 | 28,675 | ||||
| 2019-10-15 | 2019-10-11 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | 37.7500 | -2,000 | -76 | 30,675 | ||||
| 2019-09-13 | 2019-09-11 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | 40.1000 | -2,000 | -80 | 32,675 | ||||
| 2019-08-13 | 2019-08-12 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | 43.2300 | -2,000 | -86 | 34,675 | ||||
| 2019-07-12 | 2019-07-11 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | 43.4000 | -2,000 | -87 | 36,675 | ||||
| 2019-06-13 | 2019-06-11 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | 44.3600 | -2,000 | -89 | 38,675 | ||||
| 2019-05-15 | 2019-05-13 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | 34.2400 | -7,000 | -240 | 40,675 | ||||
| 2019-04-01 | 2019-03-28 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | 5,284 | 47,675 | ||||||
| 2018-04-05 | 2018-04-03 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | 7,626 | 42,391 | ||||||
| 2017-03-27 | 2017-03-23 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | 8,055 | 34,765 | ||||||
| 2016-03-24 | 2016-03-24 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | 9,445 | 26,710 | ||||||
| 2015-03-30 | 2015-03-26 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | 8,417 | 17,265 | ||||||
| 2014-04-14 | 2014-04-10 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | 7,631 | 8,848 | ||||||
| 2014-03-04 | 2014-03-01 | 4 | NEVENS THOMAS MICHAEL | CIEN | Common Stock | D | 1,217 | 1,217 |
