Real time Form 13D and 13G transaction reports:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-04-29 5:46 pm Purchase | 2026-03-31 | 13G | CIENA CORP COM CIEN | VANGUARD CAPITAL MANAGEMENT LLC | 10,568,831 7.470% | 10,568,831 (New Position) | Filing History |
| 2026-04-29 12:24 pm Purchase | 2026-03-31 | 13G | CIENA CORP COM CIEN | Vanguard Portfolio Management | 7,388,304 5.220% | 7,388,304 (New Position) | Filing History |
| 2026-04-24 4:11 pm Sale | 2026-03-31 | 13G | CIENA CORP COM CIEN | BlackRock, Inc. BLK | 11,274,540 8.000% | -3,263,374 (-22.45%) | Filing History |
| 2026-03-26 5:15 pm Sale | 2026-03-13 | 13G | CIENA CORP COM CIEN | VANGUARD GROUP INC | 0 0.000% | -15,026,070 (Position Closed) | Filing History |
| 2026-01-21 08:13 am Purchase | 2025-12-31 | 13G | CIENA CORP COM CIEN | JPMORGAN CHASE & CO JPM | 10,851,732 7.700% | 4,996,551 (+85.34%) | Filing History |
| 2025-12-04 2:24 pm Purchase | 2025-11-30 | 13G | CIENA CORP COM CIEN | BlackRock, Inc. BLK | 14,537,914 10.300% | 1,145,053 (+8.55%) | Filing History |
| 2025-04-17 09:35 am Sale | 2025-03-31 | 13G | CIENA CORP COM CIEN | BlackRock, Inc. BLK | 13,392,861 9.400% | -2,903,400 (-17.82%) | Filing History |
| 2024-11-12 09:55 am Purchase | 2024-11-08 | 13G | CIENA CORP COM CIEN | FMR LLC | 21,664,064 14.999% | 6,937,716 (+47.11%) | Filing History |
| 2024-02-13 5:02 pm Purchase | 2023-12-29 | 13G | CIENA CORP COM CIEN | VANGUARD GROUP INC | 15,026,070 10.370% | 71,292 (+0.48%) | Filing History |
| 2024-02-12 12:03 pm Purchase | 2024-02-09 | 13G | CIENA CORP COM CIEN | FMR LLC | 14,726,348 10.155% | 3,408,694 (+30.12%) | Filing History |
| 2024-02-09 08:50 am Purchase | 2024-02-08 | 13G | CIENA CORP COM CIEN | FMR LLC | 11,317,654 7.814% | 2,407,020 (+27.01%) | Filing History |
| 2024-01-30 4:08 pm Sale | 2023-12-31 | 13G | CIENA CORP COM CIEN | BlackRock, Inc. BLK | 16,296,261 11.300% | -843,663 (-4.92%) | Filing History |
| 2023-06-09 2:15 pm Purchase | 2023-05-31 | 13G | CIENA CORP COM CIEN | VANGUARD GROUP INC | 14,954,778 10.030% | 611,605 (+4.26%) | Filing History |
| 2023-02-09 11:12 am Sale | 2022-12-30 | 13G | CIENA CORP COM CIEN | VANGUARD GROUP INC | 14,343,173 9.660% | -206,011 (-1.42%) | Filing History |
| 2023-02-09 09:59 am Purchase | 2023-02-09 | 13G | CIENA CORP COM CIEN | FMR LLC | 8,910,634 6.003% | 22,827 (+0.26%) | Filing History |
| 2023-01-26 08:52 am Unchanged | 2022-12-31 | 13G | CIENA CORP COM CIEN | BlackRock, Inc. BLK | 17,139,924 11.500% | 0 (Unchanged) | Filing History |
| 2023-01-20 09:43 am Purchase | 2022-12-31 | 13G | CIENA CORP COM CIEN | BlackRock, Inc. BLK | 17,139,924 11.500% | 1,625,549 (+10.48%) | Filing History |
| 2022-02-09 3:33 pm Purchase | 2021-12-31 | 13G | CIENA CORP COM CIEN | VANGUARD GROUP INC | 14,549,184 9.390% | 236,437 (+1.65%) | Filing History |
| 2022-02-09 09:11 am Purchase | 2022-02-08 | 13G | CIENA CORP COM CIEN | FMR LLC | 8,887,807 5.738% | 7,709,562 (+654.33%) | Filing History |
| 2022-01-27 1:59 pm Unchanged | 2021-12-31 | 13G | CIENA CORP COM CIEN | BlackRock, Inc. BLK | 15,514,375 10.000% | 0 (Unchanged) | Filing History |