Ciena Corp (CIEN): Congress and insider trades
Who in Congress and inside the company traded CIEN, when each filing appeared, and what buying after each one would have earned against the S&P 500.
Key Facts
- Ciena Corp (CIEN) is a listed stock on NYSE.
- 5 members of Congress filed 12 buys and 7 sells of CIEN, the latest published 2026-09-07 (7 September 2026).
- Insiders filed 0 open market buys worth $0 and 36 sells worth $47M, the latest filed 2026-09-28 (28 September 2026).
- Across 6 scored buys, Congress averaged -7.4% against the S&P 500 (SPY) over the 90 days after disclosure, with 17% of them ahead of the index. That result is too few trades to draw a conclusion.
- Data as of 2026-09-29 (29 September 2026).
Congress trades in CIEN
as of 2026-09-07| Filed | Member | Type | Size | Days to file | 90 day vs S&P |
|---|---|---|---|---|---|
| 7 Sep 2026 | Ro Khanna (D-CA) | sell | 1K–15K | 32 | n/a |
| 21 Jul 2026 | Alan Armstrong (R-OK) | buy | 1K–15K | 113 | n/a |
| 21 Jul 2026 | Alan Armstrong (R-OK) | buy | 1K–15K | 116 | n/a |
| 8 Jul 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 6 | n/a |
| 9 Jun 2026 | Gil Cisneros (D-CA) | buy | 1K–15K | 10 | -27.3% |
| 9 Jun 2026 | Gil Cisneros (D-CA) | buy | 1K–15K | 25 | -27.3% |
| 9 Apr 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 8 | -17.7% |
| 12 Mar 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 13 | +20.3% |
| 14 Aug 2023 | Daniel S. Goldman (D-NY) | sell | 1K–15K | 32 | n/a |
| 11 Jul 2022 | Ro Khanna (D-CA) | sell | 1K–15K | 10 | n/a |
| 15 Jun 2022 | Ro Khanna (D-CA) | sell | 15K–50K | 18 | n/a |
| 15 Jun 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 31 | -6.5% |
| 15 Jun 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 36 | -6.5% |
| 12 May 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 25 | -4.0% |
| 12 May 2022 | Ro Khanna (D-CA) | sell | 1K–15K | 23 | n/a |
| 8 Dec 2021 | Ro Khanna (D-CA) | buy | 1K–15K | 28 | -9.4% |
| 8 Dec 2021 | Ro Khanna (D-CA) | buy | 1K–15K | 35 | -9.4% |
| 10 Nov 2021 | Ro Khanna (D-CA) | sell | 1K–15K | 33 | n/a |
| 29 Dec 2020 | Lois Frankel (D-FL) | sell | 1K–15K | 38 | n/a |
Nothing matches that search.
Insider trades in CIEN
as of 2026-09-28| Filed | Insider | Type | Shares | Price | Value | 90 day vs S&P |
|---|---|---|---|---|---|---|
| 28 Sep 2026 | Claflin Bruce L. | sell | 2,857 | $355.91 | $1.0M | n/a |
| 25 Sep 2026 | NEVENS THOMAS MICHAEL | sell | 3,738 | $359.04 | $1.3M | n/a |
| 2 Sep 2026 | SMITH GARY B | sell | 2,952 | $362.90 | $1.1M | n/a |
| 18 Aug 2026 | Rothenstein David M | sell | 2,500 | $438.10 | $1.1M | n/a |
| 18 Aug 2026 | Gage Brodie | sell | 1,200 | $439.24 | $527K | n/a |
| 18 Aug 2026 | Graff Marc D. | sell | 4,995 | $430.72 | $2.2M | n/a |
| 18 Aug 2026 | SMITH GARY B | sell | 2,952 | $447.78 | $1.3M | n/a |
| 4 Aug 2026 | SMITH GARY B | sell | 2,952 | $379.81 | $1.1M | n/a |
| 17 Jul 2026 | DiPerna Dino | sell | 782 | $449.15 | $351K | n/a |
| 17 Jul 2026 | Rothenstein David M | sell | 2,500 | $420.91 | $1.1M | n/a |
| 17 Jul 2026 | SMITH GARY B | sell | 2,952 | $421.10 | $1.2M | n/a |
| 17 Jul 2026 | Gage Brodie | sell | 1,200 | $449.15 | $539K | n/a |
| 6 Jul 2026 | Kosaraju Sheela | sell | 2,013 | $466.20 | $938K | n/a |
| 6 Jul 2026 | Phipps Jason | sell | 2,629 | $466.20 | $1.2M | n/a |
| 6 Jul 2026 | Graff Marc D. | sell | 126 | $466.20 | $58.7K | n/a |
| 6 Jul 2026 | SMITH GARY B | sell | 2,952 | $468.83 | $1.4M | n/a |
| 30 Jun 2026 | Cumello Joseph | sell | 1,586 | $466.33 | $740K | n/a |
| 26 Jun 2026 | Graff Marc D. | sell | 126 | $449.36 | $56.6K | n/a |
| 17 Jun 2026 | Rothenstein David M | sell | 2,500 | $457.07 | $1.1M | n/a |
| 17 Jun 2026 | SMITH GARY B | sell | 2,952 | $457.02 | $1.3M | n/a |
| 17 Jun 2026 | Gage Brodie | sell | 1,200 | $466.10 | $559K | n/a |
| 2 Jun 2026 | SMITH GARY B | sell | 2,952 | $565.92 | $1.7M | n/a |
| 19 May 2026 | SMITH GARY B | sell | 2,952 | $562.05 | $1.7M | n/a |
| 19 May 2026 | Rothenstein David M | sell | 2,500 | $562.39 | $1.4M | n/a |
| 4 May 2026 | SMITH GARY B | sell | 2,952 | $537.74 | $1.6M | n/a |
| 17 Apr 2026 | Rothenstein David M | sell | 2,500 | $467.65 | $1.2M | n/a |
| 17 Apr 2026 | Gage Brodie | sell | 1,200 | $471.79 | $566K | n/a |
| 17 Apr 2026 | SMITH GARY B | sell | 2,952 | $467.47 | $1.4M | n/a |
| 16 Apr 2026 | DiPerna Dino | sell | 2,829 | $471.79 | $1.3M | n/a |
| 3 Apr 2026 | Kosaraju Sheela | sell | 2,012 | $401.71 | $808K | n/a |
| 3 Apr 2026 | SMITH GARY B | sell | 2,952 | $415.51 | $1.2M | n/a |
| 3 Apr 2026 | Phipps Jason | sell | 22,014 | $409.80 | $9.0M | n/a |
| 31 Mar 2026 | Cumello Joseph | sell | 1,773 | $394.82 | $700K | n/a |
| 25 Mar 2026 | Gage Brodie | sell | 5,000 | $405.00 | $2.0M | n/a |
| 18 Mar 2026 | SMITH GARY B | sell | 2,952 | $359.53 | $1.1M | n/a |
| 18 Mar 2026 | Rothenstein David M | sell | 2,500 | $345.00 | $863K | n/a |
Nothing matches that search.
Related pages
Frequently asked questions
Who has bought CIEN?
12 Congress buys by 5 members and 0 insider buys are on file. The tables on this page list every one.
Did buying CIEN after a disclosure beat the market?
Across 6 scored buys, Congress averaged -7.4% against the S&P 500 (SPY) over the 90 days after disclosure, with 17% of them ahead of the index. That result is too few trades to draw a conclusion. A single stock is a small sample.
Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.
Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.